Publications

Technical Publications

Below is a list of publications describing research by faculty and students using the Water Sciences Laboratory.

2020

D’Alessio, M., L. M. Durso, C. Williams, C. A. Olson, C. Ray, and E. T. Paparozzi. 2020. Applied injected air into subsurface drip irrigation: Plant uptake of pharmaceuticals and soil microbial communities, J. Environmental Eng. (ASCE): 146(2): 06019008.

Juntakut, P., E.M. Haacker, D.D. Snow, and C. Ray. 2020. Risk and cost assessment of nitrate contamination in domestic wells, Water, 12, 428; doi:10.3390/w12020428

Mekonnen, M.M., A. Y. Hoekstra, C.M.U. Neale, C. Ray, and H.S. Yang. 2020. Water productivity benchmarks: The case of maize and soybean in Nebraska, Agricultural Water Management, 234, may 1 2020, https://doi.org/10.1016/j.agwat.2020.106122

2019

D’Alessio M., Miller D., Durso L., Ray C., Snow D.D.  2019.  Fate of manure-borne antimicrobials monensin, lincomycin, and sulfamethazine and potential effects to nitrogen transformation in soil.  Environmental Pollution, 246: 60-68.

Haacker, Erin MK, Vaishali Sharda, Amanda M Cano, R Aaron Hrozencik, Agustín Núñez, Zachary Zambreski, Soheil Nozari, Garvey Engulu B Smith, Lacey Moore, Sumit Sharma, Prasanna Gowda, Chittaranjan Ray, Meagan Schipanski, Reagan Waskom, 2019. Transition Pathways to Sustainable Agricultural Water Management: A Review of Integrated Modeling Approaches, J. American Water Resources Assoc., 55(1):6-23.

Malakar, A., D. Snow, and C. Ray. 2019. Irrigation water quality: A contemporary perspective, Water 11(7): 1482, odi:10.3390/w11071482.

Mekonnen, M.M., Neale, C.M.U., Chittaranjan, R., Erickson, G.E. and Hoekstra, A.Y. (2019) Water productivity in meat and milk production in the US from 1960 to 2016, Environment International 132, 105084.

Mohanasundaram, S., M. Mekonnen, and C. Ray. Grid-based model for estimating evapotranspiration rates of heterogeneous land surface. 2019. J. Irrigation and Drainage Eng. https://doi.org/10.1061/(ASCE)IR.1943-4774.0001436.

Ray, C., M. D’Alessio, M. Sobotkobva, A. Mohanram, M. Jenkins, and M. Snehota. Comparing Transport of Cryptosporidium-Sized Carboxylated Microspheres in Two Undisturbed Soil Cores under Unsaturated Conditions, J. Environmental Eng. (ASCE):   145 (4), 06019002.

Ray C., D’Alessio M., Sobotkova M., Mohanram A., Jenkins, M., Snehota M.  2019. Transport of Cryptosporidia-sized carboxylated microspheres in two disparate variable charge soil cores under unsaturated conditions.  ASCE-Environmental Engineering.  145(4): https://doi.org/10.1061/(ASCE)EE.1943-7870.0001494.

Rungvetvuthivitaya, M, R. Song, M. Campbell, E. Zhu, T.C. Zhang, and C. Ray, 2019. Decay Kinetics of Chlorite under Simulated Distribution System Conditions. Journal of Environmental Engineering (ASCE). 145. 10.1061/(ASCE)EE.1943-7870.0001487.

Sharda, Vaishali, Prasanna H Gowda, Gary Marek, Isaya Kisekka, Chittaranjan Ray, Pradip Adhikari, 2019. Simulating the Impacts of Irrigation Levels on Soybean Production in Texas High Plains to Manage Diminishing Groundwater Levels, Journal American Water Resources Assoc. 55(1): 55-69.

2018

D’Alessio M., Dvorak, B., Ray, C. 2018. Natural filtration impacts on post disinfection water quality in small systems – A case study from Auburn and Nebraska City, Nebraska.  Water, 10(12): 1865.

D’Alessio M., Lucio J., Williams E., Warner J., Seymour D., Jasperse, J., Ray C.  2018. Flow analysis through collector well laterals at the Russian River Riverbank filtration facility – Experimental observations.  Water, 10(12): 1848.

D’Alessio, M., T. Grischek, and C. Ray. 2018. Water crisis: Bank filtration and aquifer storage and recovery systems as possible alternatives, ASCE-Journal of Hazardous, Toxic and Radioactive Waste—Special Issue on “Climate Change and Sustainable Water Resources Management”, 22(4): 04018028.

D’Alessio M., Onanong S., Snow D.D., Ray C. 2018. Sorption and degradation of three classes of pharmaceutical compounds in selected soils of Hawaii. Science of the Total Environmental, 631-632: 1360─1370.

D’Alessio M., Wang T., Swift, C., Shanmungam, M.S., Ray C. 2018. Screening of leachingmrisks of three anticoagulants used for rodent control in natural areas of Hawaii. Science of the Total Environment, 630: 889─902.

Juntakut, P., D. Snow, E. Haacker, and C. Ray. 2018. The Long Term Effect of Agricultural, Vadose Zone and Climatic Factors on Nitrate Contamination in the Nebraska’s Groundwater System, Journal of Contaminant Hydrology. doi.org/10.1016/j.jconhyd.2018.11.007.

Mekonnen, M., T.L. Romanelli, C. Ray, A.Y. Hoekstra, A. Liska, and C. Neale. 2018. Water, energy, and carbon footprint of ethanol from US and Brazil, Env. Science and Technology 52, 24: 14508-14518

Shah, T. C. Ray, and U. Lele. 2018. How to Clean up the Ganges? Science, Nov 2;362(6414):503. doi: 10.1126/science.aav8261.

Sobotkova, M., J. Dusek, G. Alavi, L. Sharma, and C. Ray. 2018. Assessing the feasibility of soil infiltration trenches for highway runoff control on the island of Oahu, Hawaii, Water 10(12), 1832; https://doi.org/10.3390/w10121832

2017

Ali, J.M., J.L. Sangster, D.D. Snow, S.L. Bartlet-Hunt, and A.S. Kolok. 2017. Compensatory response of fathead minnow larvae following a pulsed in-situ exposure to a seasonal agricultural runoff event. Science of the Total Environment, In Press, corrected proof

Irmak, S. and Meryemoglu, B., 2017. Comparison of Perennial Grasses and Corn-Based Biomass Materials for High-Yielding Hydrogen Gas Production. Transactions of the ASABE, 60(3), pp.601-606.

Kambhu, A., Gren, M., Tang, W., Comfort, S. and Harris, C.E., 2017. Remediating 1, 4-dioxane-contaminated water with slow-release persulfate and zerovalent iron. Chemosphere, 175, pp.170-177.

Kananizadeh, N., Rice, C., Lee, J., Rodenhausen, K.B., Sekora, D., Schubert, M., Schubert, E., Bartelt-Hunt, S., Li, Y., 2017. Combined quartz crystal microbalance with dissipation (QCM-D) and generalized ellipsometry (GE) to characterize the deposition of titanium dioxide nanoparticles on model rough surfaces. Journal of Hazardous materials 322, Part A, 118-128.

Korus, J.T., Gilmore, T.E., Waszgis, M.M. and Mittelstet, A.R., 2017. Unit-bar migration and bar-trough deposition: impacts on hydraulic conductivity and grain size heterogeneity in a sandy streambed. Hydrogeology Journal, pp.1-12.

Mittelstet, A.R., Gilmore, T.E. and Rudnick, D.R., 2017. Development of Multiple Regression Models to Predict Nitrate Concentrations in Nebraska Surface Waters. In 2017 ASABE Annual International Meeting (p. 1). American Society of Agricultural and Biological Engineers.

Ringenberg, D.T., Wilson, S.D. and Dvorak, B.I., 2017. State Barriers to Approval of Drinking Water Technologies for Small Systems. Journal-American Water Works Association, 109(8), pp.E343-E352.

Wang, T., T. E. Franz, R. Li, J. You, M. D. Shulski, and C. Ray. 2017. Evaluating climate and soil effects on regional soil moisture spatial variability using EOFs, Water Resour. Res., 53, 4022–4035, doi:10.1002/2017WR020642.

Wang, T., Franz, T.E., You, J., Shulski, M.D. and Ray, C., 2017. Evaluating controls of soil properties and climatic conditions on the use of an exponential filter for converting near surface to root zone soil moisture contents. Journal of Hydrology, 548, pp.683-696.

2016

Aga, D.S., M. Lenczewski, D.D. Snow, J. Muurinen, J. B. Sallach, and J.S. Wallace. 2016. Measurement of Antibiotics and Assessment of their Impacts in Agroecosystems: State of the science. Journal of Environmental Quality (Special Issue). 45, Issue 2, 10.2134/jeq2015.07.0393.

Ali, J.M., Farhat, Y.A. and Kolok, A.S., 2016. Biological impacts in Fathead minnow larvae following a 7-day exposure to agricultural runoff: a microcosm study. Bulletin of environmental contamination and toxicology, 96(4), pp.432-437.

Ali, J.M., Herrmann, K.M., Rakestraw, M.J. and Kolok, A.S., 2016. Citizen‐based scientific data collection: Fact or fiction? Integrated environmental assessment and management, 12(2), pp.400-402.

Bartelt-Hunt, S.L.; Kolok, A.; Snow, D. Snow; Ali, J.; Sangster, J. 2016. Bioavailability and fate of sediment-associated progesterone in aquatic systems. Environmental Science and Technology. 50 (7), pp 4027–4036. 10.1021/acs.est.5b06082

Bausk, A.S. and Dvorak, B.I., 2016. Selecting the column configuration with lowest media replacement cost for small adsorption systems. Water research, 93, pp.38-47.

Carr, T., Yang, H. and Ray, C., 2016. Temporal Variations of Water Productivity in Irrigated Corn: An Analysis of Factors Influencing Yield and Water Use across Central Nebraska. PloS one, 11(8), p.e0161944. August 30, 2016.

Christenson, M., Kambhu, A., Reece, J., Comfort, S. and Brunner, L., 2016. A five-year performance review of field-scale, slow-release permanganate candles with recommendations for second-generation improvements. Chemosphere, 150, pp.239-247.

D’Alessio, M. and Ray, C., 2016. Pharmaceuticals and Groundwater Resources. In Emerging Issues in Groundwater Resources (pp. 101-144). Springer International Publishing.

Durso, L. M.; Miller, D. N.; Snow, D. D.; Henry, C. G.; Santin, M.; Woodbury, B. L. 2016. Evaluation of Fecal Indicators and Pathogens in a Beef Cattle Feedlot Vegetative Treatment System. Journal of Environmental Quality. doi:10.2134/jeq2016.05.0192.

Dvorak, B.D. and Ali, A.K., 2016. Urban Agriculture Case Studies in Central Texas: From the Ground to the Rooftop. In Urban Agriculture. InTech.

Franklin, A.M., D.S. Aga, E. Cytryn, L.M. Durso, J.E. McLain, A. Pruden, M.C. Roberts, M.J. Rothrock, Jr., D.D. Snow, J.E. Watson, and R.S. Dungan. 2016. Antibiotics in Agroecosystems:An Introduction. Journal of Environmental Quality (Special Issue). 45, Issue 22, 10.2134/jeq2016.01.0023.

Gilmore, T.E., Genereux, D.P., Solomon, D.K. and Solder, J.E., 2016. Groundwater transit time distribution and mean from streambed sampling in an agricultural coastal plain watershed, North Carolina, USA. Water Resources Research, 52(3), pp.2025-2044.

Gilmore, T.E., Genereux, D.P., Solomon, D.K., Farrell, K.M. and Mitasova, H., 2016. Quantifying an aquifer nitrate budget and future nitrate discharge using field data from streambeds and well nests. Water Resources Research, 52(11), pp.9046-9065.

Gilmore, T.E., Genereux, D.P., Solomon, D.K., Solder, J.E., Kimball, B.A., Mitasova, H. and Birgand, F., 2016. Quantifying the fate of agricultural nitrogen in an unconfined aquifer: Stream‐based observations at three measurement scales. Water Resources Research, 52(3), pp.1961-1983.

Gogoi, A., Chaminda, M., A.K.J An, Y. Li, D. Snow. and M. Kumar. 2016. Influence of Ligands on Metal Speciation, Transport and Toxicity in a Tropical River during Wet (Monsoon) Period. Chemosphere. Vol. 163, pp. 322-33. doi: 10.1016/j.chemosphere.2016.07.105.

Gómez-Gualdrón, D.A., Colón, Y.J., Zhang, X., Wang, T.C., Chen, Y.S., Hupp, J.T., Yildirim, T., Farha, O.K., Zhang, J. and Snurr, R.Q., 2016. Evaluating topologically diverse metal–organic frameworks for cryo-adsorbed hydrogen storage. Energy & Environmental Science, 9(10), pp.3279-3289.

Johnson, J.A., Petersen, B.M., Kormos, A., Echeverría, E., Chen, Y.S. and Zhang, J., 2016. A New Approach to Non-Coordinating Anions: Lewis Acid Enhancement of Porphyrin Metal Centers in a Zwitterionic Metal–Organic Framework. Journal of the American Chemical Society, 138(32), pp.10293-10298.

Kolok, A. Modern Poisons: A Brief Introduction to Contemporary Toxicology. Washington, DC : Island Press, 2016.

Lee, J., Bartelt-Hunt, S.L., Li, Y., Gilrein, E.J., 2016. The influence of ionic strength and organic compounds on nanoparticle TiO2 (n-TiO2) aggregation. CHEMOSPHERE 154, 187-193.

Lee, S. Paspalof, A., Snow, D. Richmond, E., Rosi-Marshall, E. Kelly, J. 2016. Occurrence and potential biological effects of amphetamine on stream communities. Environmental Science and Technology. Vol 50 (17), pp 9727–9735. DOI: 10.1021/acs.est.6b03717.

Leng, Y. J. Bao, G. Chang, H. Zheng, J. J. Du, D.D. Snow. and X. Li. 2016. Biotransformation of Tetracycline by Stenotrophomonas maltophilia Strain DT1. Journal of Hazardous Materials, Volume 318, Pages 125-133. DOI:10.1016/j.jhazmat.2016.06.053

Martel-Cea, A., Maldonado, A., Grosjean, M., Alvial, I., de Jong, R., Fritz, S.C., von Gunten, L., 2016. Late Holocene environmental changes as recorded in the sediments of high Andean Laguna Chepical, Central Chile (32°S; 3050 m a.s.l.). Palaeogeography, Palaeoclimatology, Palaeoecology 461, 44-54.

Qi, Y. and Zhang, T.C., 2016. Transport of manure-borne testosterone in soils affected by artificial rainfall events. Water research, 93, pp.265-275.

Randsalu-Wendrup, L., Conley, D.J., Carstensen, J., Fritz, S.C., 2016. Paleolimnological records of regime shifts in lakes in response to climate change and anthropogenic activities. Journal of Paleolimnology 56, 1-14.

Sallach, J.B., Snow, D., Hodges, L., Li, X. and Bartelt‐Hunt, S., 2016. Development and comparison of four methods for the extraction of antibiotics from a vegetative matrix. Environmental toxicology and chemistry, 35(4), pp.889-897.

Sangster JL, Ali JM, Snow DD, Kolok AS, Bartelt-Hunt SL. Bioavailability and fate of sediment-associated progesterone in aquatic systems. Environmental science & technology. 2016 Mar 17;50(7):4027-36.

Santiago, S., D. M. Roll, C. Ray, C. Williams, P. Moravcik, and A. Knopf. 2016. Effects of soil moisture depletion on vegetable crop uptake of pharmaceuticals and personal care products (PPCPs), Env. Sci. Pollut Res. Int. 20: 20257-20268.

Snow, D.D., Cassada, D.A., Bartelt–Hunt, S.L., Li, X., D'Alessio, M., Zhang, Y., Zhang, Y. and Sallach, J.B., 2016. Detection, Occurrence and Fate of Emerging Contaminants in Agricultural Environments. Water Environment Research, 88(10), pp.913-929.

Solder, J.E., Gilmore, T.E., Genereux, D.P. and Solomon, D.K., 2016. A Tube Seepage Meter for In Situ Measurement of Seepage Rate and Groundwater Sampling. Groundwater, 54(4), pp.588-595.

Srivastava, V., de Araujo, A.S.F., Vaish, B., Bartelt-Hunt, S., Singh, P. and Singh, R.P., 2016. Biological response of using municipal solid waste compost in agriculture as fertilizer supplement. Reviews in Environmental Science and Bio/Technology, 15(4), pp.677-696.

Ubeyitogullari, A. and Ciftci, O.N., 2016. Phytosterol nanoparticles with reduced crystallinity generated using nanoporous starch aerogels. RSC Advances, 6(110), pp.108319-108327.

Williams-Nguyen, J., J.B. Sallach, S. Bartelt-Hunt, A. Boxall, L.M. Durso, J.E. McLain, R.S. Singer, D.D. Snow, J.L. Ziles. 2016. Antibiotics and antibiotic resistance in agroecosystems: State of the science. Journal of Environmental Quality (Special Issue). 45, Issue 2, DOI: 10.2134/jeq2015.07.0336

Zhang, Y., J. B. Sallach, L. Hodges, D. D. Snow, S. L. Bartelt-Hunt, K. M. Eskridge and X. Li. 2016. Effects of soil texture and drought stress on the uptake of antibiotics and the internalization of Salmonella in lettuce following wastewater irrigation. Environmental Pollution 208, Part B: 523-531.

Zhang, Y., Sallach, J.B., Hodges, L., Snow, D.D., Bartelt-Hunt, S.L., Eskridge, K.M. and Li, X., 2016. Effects of soil texture and drought stress on the uptake of antibiotics and the internalization of Salmonella in lettuce following wastewater irrigation. Environmental Pollution, 208, pp.523-531.

Zhang, Y.; Snow, D. D.; Bartelt-Hunt, S. L. 2016. Stereoselective Degradation of Estradiol and Trenbolone Isomers in Alluvial Sediment. Environmental Science & Technology. 50 (24), pp 13256–13264 DOI: 10.1021/acs.est.6b02171

Zheng, X., Su, Y., Chen, Y., Wan, R., Li, M., Huang, H., Li, X., 2016. Carbon nanotubes affect the toxicity of CuO nanoparticles to denitrification in marine sediments by altering cellular internalization of nanoparticle. 6, 27748.

 

 

2015

Brown, D.; Snow, D.; Hunt, G.; Bartelt-Hunt, S.L. 2015. Persistence of pharmaceuticals in effluent-dominated surface waters. Journal of Environmental Quality, 44(1):299-304. doi:10.2134/jeq2014.08.0334

D’Alessio, M., Gabriel El-Swaify, B. Yoneyama, and C. Ray. 2015. A low-cost water-treatment system for potable water supplies in developing countries and after a natural disaster: ability to remove total coliforms and E. coli, Clean Technology and Environmental Policy, DOI: 10.1007/s10098-015-1074-y.

D’Alessio, M., B. Yoneyama, and C. Ray. 2015. Fate of selected pharmaceutically active compounds during simulated riverbank filtration, Science of the Total Environment, 505:615-622.

D’Alessio, M., B. Yoneyama, M. Kirs, V. Kisand, and C. Ray. 2015. Pharmaceutically active compounds: Their removal during slow sand filtration and their impact on slow sand filtration bacterial removal, Science of the Total Environment, 524-525:124-35, DOI: 10.1016/j.scitotenv.2015.04.014.

Dusek, J., M. Dohnal, M. Snehota, M. Sobotkova, C. Ray, and T. Vogel. 2015. Transport of bromide and pesticides through an undisturbed soil column: A modeling study with global optimization analysis, Journal of Contaminant Hydrology, 176:1-16.

Hall, K.E., C. Ray, S. Ki, K. Spokas, and W.C. Koskinen. 2015. Pesticide sorption and leaching potential on three Hawaiian soils, Journal of Environmental Management, doi:10.1016/j.jenvman.2015.04.046.

Jaimes-Correa, J.C., D.D. Snow and S.L. Bartelt-Hunt. 2015. Seasonal occurrence of antibiotics and a beta agonist in an agriculturally-intensive watershed. Environ Pollut 205: 87-96. doi:http://dx.doi.org/10.1016/j.envpol.2015.05.023.

Ki, S. and C. Ray. 2015. A GIS-assisted regional screening tool to evaluate the leaching potential of volatile and non-volatile pesticides, Journal of Hydrology, 522: 163-173.

Ki, S., C. Ray, and M. Hantush. 2015. Applying a statewide geospatial leaching tool for assessing soil vulnerability ratings for agrochemicals across the contiguous United States, Water Research, 77:107-118.

Ma, R. T.C. Zhang, S. L. Bartelt-Hunt, Y. Qi, W. Kranz, D. Snow, T. Mader, C. Shapiro, D. P. Shelton, S. van Donk, D. Tarkalson, and S. Ensley. 2015. Influence of Soil Properties and Test Conditions on Sorption and Desorption of Testosterone.” J. Environ. Eng., 141(7), 04015006. http://dx.doi.org/10.1061/(ASCE)EE.1943-7870.0000937.

Sallach, J.B.; Zhang, Y.; Hodges, L.; Snow, D.D.; Li, X.; Bartelt-Hunt, S.L. 2015. Concomitant Uptake of Antimicrobials and Salmonella in Soil and into Lettuce Following Wastewater Irrigation. Environmental Pollution, 197, 269-277. DOI: 10.1016/j.envpol.2014.11.018

Soni, B., S.L. Bartelt-Hunt, D.D. Snow, J.E. Gilley, B.L. Woodbury, D.B. Marx, et al. 2015. Narrow Grass Hedges Reduce Tylosin and Associated Antimicrobial Resistance Genes in Agricultural Runoff. Journal of Environmental Quality 44: 895-902. doi:10.2134/jeq2014.09.0389.

Zhang, Y., R.G. Krysl, J.M. Ali, D.D. Snow, S.L. Bartelt-Hunt and A.S. Kolok. 2015. Impact of Sediment on Agrichemical Fate and Bioavailability to Adult Female Fathead Minnows: A Field Study. Environmental Science & Technology. doi:10.1021/acs.est.5b01464.

2014

Al-Sammak, M., K. Hoagland, D. Cassada, D. D. Snow. 2014. Co-occurrence of the cyanotoxins BMAA, DABA and Anatoxin-a in Nebraska reservoirs, fish, and aquatic plants. Toxins, 6 (2), 488-508. doi:10.3390/toxins6020488. ISSN 2072-6651 http://www.mdpi.com/journal/toxins. Published on-line: 28 January 2014.

Cutler, W., A.El-Kadi, N.V. Hue, J. Peard, K. Scheckel, and C. Ray. 2014. Iron Amendments to Reduce Bioaccessible Arsenic, J. Hazardous Materials, 279: 554-561.

D’Alessio, M., J. Lichwa, D. Vasudevan, S.K. Mohanty, and C. Ray. 2014. Fate and transport of selected endocrine disrupting chemicals in the tropical soils of Hawaii, J. Contaminant Hydrology, 166: 1-10.

Joy, S.R.; X. Li; D.D. Snow; J.E. Gilley, B. Woodbury and S.L. Bartelt-Hunt. 2014. Fate of Antimicrobials and Antimicrobial Resistance Genes in Simulated Swine Manure Storage. Science of the Total Environment. 481 (2014) 69–74. http://dx.doi.org/10.1016/j.scitotenv.2014.02.027 Published on-line 28 February 2014

Ki, S. and C. Ray. 2014. Using fuzzy logic analysis for siting decisions of infiltration trenches for highway runoff control, Science of the Total Environment, 493: 44-53.

Kolok, A.; Sellin, M.; Knight, L.; Snow, D.; Bartelt-Hunt, S. 2014. The hourglass: A conceptual framework for the transport of biologically active compounds from agricultural landscapes. Journal of the American Water Resources Association. 50(2): 266-274. DOI: 10.1111/ jawr.12158

Pan, D.; Watson, R.; Wang, D.; Tan, Z.H.; Snow, D.D. and K. A. Weber. 2014. Correlation Between Viral production and Carbon Mineralization Under Nitrate Reducing Conditions in Aquifer Sediment. The ISME Journal. International Society for Microbial Ecology, Volume 8, 1691-1703. http://dx.doi.org/10.1038/ismej.2014.38. Published on-line March 27, 2014.

Rosi-Marshall, E.J.; D. Snow; S. L. Bartelt-Hunt; A. Paspalof; J. L. Tank. 2014. A review of ecological effects and environmental fate of illicit drugs in aquatic ecosystems. Journal of Hazardous Materials, Volume 282, 18-25. Available online 5 July 2014, ISSN 0304-3894, http://dx.doi.org/10.1016/j.jhazmat.2014.06.062

Rungvetvuthivitaya, M.,  R. Song, M. Campbell, J. Wang, and C. Ray. 2014. Nitrification inhibition kinetics of distribution system water using low levels of chlorite, Journal of Water Supply: Research and Technology – Aqua 63(6): 497-506.

Sangster, J. L., Y. Zhang, R. Hernandez, Y.A. Garcia, J.C. Sivils, M.B. Cox, D. D. Snow, A.S. Kolok, and S.L. Bartelt-Hunt. 2014. Bioavailability and fate of sediment-associated trenbolone and estradiol in aquatic systems. Science of The Total Environment, Volume 496, 15 October 2014, Pages 576-584, ISSN 0048-9697, http://dx.doi.org/10.1016/j.scitotenv.2014.07.040.

Shuai, X., T.R. Green, C. Ray, and V. Syrmos. 2014. Multisection Transmission Line Scatter Function Theory for Measurements of Soil Dielectric Properties, Soil Science Soc. Am. J. doi:10.2136/sssaj2013.11.0505.

Uralbekov, B.; M. Burkitbayev, B. Satybaldiyev, I. Matveyeva, T. Tuzova and D. Snow. 2014. Spatial and seasonal variability of 234U/238U activity ratios in the Shu River, Kazakhstan. Environmental Earth Sciences, DOI 10.1007/s12665-014-3274-x. Published on-line April 23, 2014.

Zhang, Y. R. Nandakumar, S.L. Bartelt-Hunt, D. D. Snow, L. Hodges, Xu Li. 2014. Quantitative proteomic analysis of the Salmonella-lettuce interaction. Microbial Biotechnology. Volume 6, Issue 7, 630-637. http://DOI: 10.1111/1751-7915.12114. Published online: 11 FEB 2014.

2013

Al-Sammak, M. A., Snow, D., Hoagland, K., and Cassada, D. 2013. Methods for Detection of Neurodegenerative Cyanotoxins BMAA, DABA, and Anatoxin-a in Environmental Samples. Toxicon, 76(0): 316-325. http://dx.doi.org/10.1016/j.toxicon.2013.10.015.

Bartelt-Hunt, S. L.; DeVivo, S.; Johnson, L.; Snow, D. D.; Kranz, W. L.; Mader, T. L.; Shapiro, C. A.; van Donk, S. J.; Shelton, D. P.; Tarkalson, D. D.; Zhang, T. C. 2013. Effect of Composting on the Fate of Steroids in Beef Cattle Manure. Journal of Environmental Quality, 42, (4), 1159-1166. http://dx.doi.org/10.2134/jeq2013.01.0024

Biswas, S.; W. L. Kranz; C. A. Shapiro; M. Mamo; S. L. Bartelt-Hunt; D. D. Snow; D. P. Shelton; D. D. Tarkalson; T. L. Mader; S. J. van Donk; Zhang, T. C., 2013. Use of a surrogate to evaluate the impact of tillage on the transport of steroid hormones from manure-amended agricultural fields. Transactions of the ASABE, 56, (4), 1379-1385.

Gilley, J. E.; S. L. Bartelt-Hunt; S. J. Lamb; X. Li; D. B. Marx; D. D. Snow; D. B. Parker; Woodbury, B. L., 2013. Narrow grass hedge effects on nutrient transport following swine slurry application. Transactions of the ASABE, 56, (4), 1441-1450.

Gilley, J.E., S.L. Bartelt-Hunt, S.J. Lamb, X. Li, D.B. Marx, D.D. Snow, D.B. Parker, B.L. Woodbury. 2013. Runoff nutrient transport as affected by land application method, swine growth stage and runoff rate. Transactions of the ASABE, 56(6): 1295-1303. American Society of Agricultural and Biological Engineers ISSN 2151-0032 DOI 10.13031/trans.56.10146.

Joy, Stacey ; Bartelt-Hunt, S.; Snow, D. ; Gilley, J.; Woodbury, B.; Parker, D.; Marx, D.; Li, X. 2013. Fate and transport of antimicrobials and antimicrobial resistance genes in soil and runoff following land application of swine manure slurry. Environmental Science and Technology, 47(21): 12081-12088. http://dx.doi.org/10.1021/es4026358

Ray, C., A. Babbar, B. Yoneyama, L. Sheild, B. Respicio, and C. Ishii. 2013. Evaluation of low-cost water purification systems for humanitarian assistance and disaster relief (HA/DR), Clean Techn  Environ Policy, 15: 345-357, (DOI: 10.1007/s10098-012-0530-1).

Cutler, W.G., R.C. Brewer, A. El-Kadi, N.V. Hue, P.G. Niemeyer, J. Pierd, and C. Ray. 2013. Bioaccesible arsenic in soils of former sugar cane plantations, Island of Hawaii, Science of Total Environment, 442: 177-188.

Redondo, Mauricio, C. Valenzuela-Martinez, D.A. Cassada, D. D. Snow, V.J. Juneja, D. E. Burson and H. Thippareddi. 2013. Effect of meat ingredients and processing on germination and outgrowth of Clostridium perfringens spores in ham during abusive cooling. Food Microbiology and Safety. XXX, 1-8 http://dx.doi.org/10.1016/j.fm.2013.02.008

Sheild, L., J. Lichwa, E.J. Colon, P. Moravcik, and C. Ray. 2013. Mobility of 2-amino-4,6-dinitrobenzoic acid, a photodegradation product of TNT in a tropical soil under saturated abiotic conditions, J. Hazardous Materials, 260: 602-608.

Snow, D.D., T.R. Damon-Powell, S. Onanong, and D.A. Cassada. 2013. Sensitive and simplified analysis of natural and synthetic steroids in water and solids using on-line solid phase extraction and microwave-assisted solvent extraction coupled to liquid chromatography tandem mass spectrometry atmospheric pressure photoionization. Analytical and Bioanalytical Chemistry, 405, (5), 1759-1771. doi: 10.1007/s00216-012-6572-6578.

van Donk, S. J.; S. Biswas; W. L. Kranz; D. D. Snow; S. L. Bartelt-Hunt; T. L. Mader; C. A. Shapiro; D. P. Shelton; D. D. Tarkalson; T. C. Zhang; Ensley, S., 2013. Transport of steroid hormones in the vadose zone after land application of beef cattle manure. Transactions of the ASABE, 56, (4), 1327-1338.

Yuan, Qi; Snow, D.; Bartelt-Hunt, S. 2013. Potential water quality impacts originating from land burial of cattle carcasses. Science of the Total Environment. 456-457, 246–253 http://dx.doi.org/10.1016/j.scitotenv.2013.03.083

Zhang, Y., D.D. Snow, D. Parker, Z. Zhou, and X. Li. 2013. Extracellular and Intracellular Antimicrobial Resistance Genes and Antibiotic Levels in the Sludge of Livestock Waste Management Structures. Environmental Science and Technology, 47(18): 10206-10213. http://dx.doi.org/10.1021/es401964s

Zhang, Y.; Zhang, C.; Parker, D.; Snow, D.; Zhou, Z.; Li, X. 2013. Occurrence of Antimicrobials and Antimicrobial Resistance Genes in Beef Cattle Storage Ponds and Swine Lagoons. Science of the Total Environment, 463-464: 631-638. http://dx.doi.org/10.1016/j.scitotenv.2013.06.016

2012

Bartelt-Hunt, S. L.; Snow, D. D.; Kranz, W. L.; Mader, T. L.; Shapiro, C. A.; Donk, S. J. v.; Shelton, D. P.; Tarkalson, D. D.; Zhang, T. C. (2012) Effect of Growth Promotants on the Occurrence of Endogenous and Synthetic Steroid Hormones on Feedlot Soils and in Runoff from Beef Cattle Feeding Operations. Environmental Science & Technology, 46 (3), 1352-1360.

Biswas, S., C. A. Shapiro, W. L. Kranz, T. L. Mader, D. P. Shelton, D. D. Snow, S. L. Bartelt-Hunt, D. D. Tarkalson, S. J. van Donk, T. C. Zhang, S. Ensley. 2012. Current knowledge on the environmental fate, potential impact and management of growth promoting compounds used in the US beef cattle industry. Journal of Soil and Water Conservation. 68(4):325-336. doi:10.2489/jswc.68.4.325

Cavalieri, E.L; Saeed, M.; Zahid, M; Cassada, D.; Snow, D.; Miljkovic, M.; Rogan, E.G. 2012. Mechanism of DNA depurination by carcinogens in relation to cancer initiation. Biotechnology and Applied Biochemistry, IUBMB Life 64, (2), 169-179.

Christenson, M. D.; Kambhu, A.; Comfort, S. D. 2012. Using slow-release permanganate candles to remove TCE from a low permeable aquifer at a former landfill. Chemo., 89 (6), 680-687.

Efting, A.; Snow, D.; Fritz, S. 2012. Cyanobacteria and microcystin in the Nebraska (USA) Sand Hills Lakes before and after modern agriculture. J. Paleolimnol., 46 (1), 17-27.

Hosni, A. A.; Admiraal, D. M.; Dvorak, B. I.; Fisher, J. R. 2012. Water Quality Prediction Models for Storm Water Runoff in an Urban Watershed. World Environmental and Water Resources Congress 2011: 803-812.

Kambhu, A.; Comfort, S.; Chokejaroenrat, C.; Sakulthaew, C. 2012. Developing slow-release persulfate candles to treat BTEX contaminated groundwater. Chemosphere, 89 (6), 656-664.

Kolok, A. S.; Miller, J. T.; Schoenfuss, H. L. 2012. The mini mobile environmental monitoring unit: a novel bio-assessment tool. J. Environ. Monitor., 14 (1), 202-208.

Kolok, A. S.; Schoenfuss, H. L. 2012. Environmental Scientists, Biologically Active Compounds, and Sustainability: The Vital Role for Small-Scale Science. Environmental Science & Technology, 45 (1), 39-44.

Li, Z.; Nandakumar, R.; Madayiputhiya, N.; Li, X. (2012) Proteomic Analysis of 17beta-Estradiol Degradation by Stenotrophomonas maltophilia. Environmental Science & Technology, 46 (11), 5947-5955.

Liu, L.; Zhang, Y.; Efting, A.; Barrow, T.; Qian, B.; Fang, Z. Modeling bioavailable phosphorus via other phosphorus fractions in sediment cores from Jiulongkou Lake, China. Environmental Earth Sciences, 65 (3), 945-956.

Maezato, Y.; Blum, P. 2012. Survival of the Fittest: Overcoming Oxidative Stress at the Extremes of Acid, Heat and Metal. Life, 2 (3), 229-242.

Meals, Donald W.; Spalding, Roy F.; Exner Spalding, Mary; Ferguson, Richard B.; McFarland, Mark L.; Osmond, Deanna L.; and Spooner, Jean, "Groundwater beneath a Phase III Management Area in the Central Platte Natural Resources District, Nebraska: National Institute of Food and Agriculture–Conservation Effects Assessment Project" (2012). The National Institute of Food and Agriculture–Conservation Effects Assessment Project Experience, Edited by Deanna L. Osmond, Donald W. Meals, Dana LK. Hoag, and Mazdak Arabi, 2012, 387 pages, hardcover ISBN 978-0-9769432-9-7

Parker, D.B; Gilley, J.; Woodbury, B. Kim, K-H.; Galvin, G. ;Bartelt-Hunt, S.L, Li, X. Snow, D.D. 2012. Odorous VOC Emission Decay Following Land Application of Swine Manure Slurry. Atmospheric Environment. doi:10.1016/j.atmosenv.2012.01.001

Stamm, M. D.; Heng-Moss, T. M.; Baxendale, F. P.; Siegfried, B. D.; Gaussoin, R. E.; Snow, D. D.; 2012. Cassada, D. A. Effect of distribution and concentration of topically applied neonicotinoid insecticides in buffalograss, Buchloe dactyloides, leaf tissues on the differential mortality of Blissus occiduus under field conditions. Pest Manag. Sci., doi: 10.1002/ps.3387

Weber, K. A.; Spanbauer, T. L.; Wacey, D.; Kilburn, M. R.; Loope, D. B.; Kettler, R. M. Biosignatures link microorganisms to iron mineralization in a paleoaquifer. Geology, 40 (8), 747-750.

Xu, Y.; Hanna, M. A. 2012. Nutritional and anti-nutritional compositions of defatted Nebraska hybrid hazelnut meal. International Journal of Food Science & Technology, 46 (10), 2022-2029.

Xu, Y.; Sismour, E. N.; Parry, J.; Hanna, M. A.; Li, H. 2012. Nutritional composition and antioxidant activity in hazelnut shells from US-grown cultivars. International Journal of Food Science & Technology, 47 (5), 940-946.

Yang, Y.; Park, Y.; Cassada, D. A.; Snow, D. D.; Rogers, D. G.; Lee, J. 2012. In vitro and in vivo safety assessment of edible blue-green algae, Nostoc commune var. sphaeroides Kutzing and Spirulina plantensis. Food and Chemical Toxicology, 49 (7), 1560-1564.

Alvarez, S.; Jessick, A.; Palacio, J.; Kolok, A. 2012. Methylmercury Concentrations in Six Fish Species from Two Colombian Rivers. Bull. Environ. Contam. Toxicol., 88 (1), 65-68.
Alvarez, S.; Kolok, A.; Jimenez, L.; Granados, C.; Palacio, J. 2012. Mercury Concentrations in Muscle and Liver Tissue of Fish from Marshes Along the Magdalena River, Colombia. Bull. Environ. Contam. Toxicol., 89 (4), 836-840.

Sellin Jeffries, M. K.; Mehinto, A. C.; Carter, B. J.; Denslow, N. D.; Kolok, A. S. 2012. Taking Microarrays to the Field: Differential Hepatic Gene Expression of Caged Fathead Minnows from Nebraska Watersheds. Environmental Science & Technology, 46 (3), 1877-1885.

Weber, K. A.; Thrash, J. C.; Van Trump, J. I.; Achenbach, L. A.; Coates, J. D.2011. Environmental and taxonomic bacterial diversity of anaerobic uranium(IV) bio-oxidation. Appl Environ Microbiol. 2011 Jul;77(13):4693-6. Epub 2011 May 13.

Zlotnik, V. A.; Ong, J. B.; Lenters, J. D.; Schmieder, J.; Fritz, S. C. 2012. Quantification of salt dust pathways from a groundwater-fed lake: Implications for solute budgets and dust emission rates. J. Geophys. Res., 117 (F2), F02014.

2011

Bartelt-Hunt, S. L.; Snow, D. D. (2011). Monitoring non-prescription drugs in surface water in Nebraska, USA. Mass Spectrometric Analysis of Illicit Drugs in the Environment. E. Z. Sara Castiglioni, John Wiley and Sons: 362.

Bartelt-Hunt, S. L.; Snow, D. D.; Damon-Powell, T.; Brown, D. L.; Prasai, G.; Schwarz, M.; Kolok, A. S. (2011) Quantitative evaluation of laboratory uptake rates for pesticides, pharmaceuticals, and steroid hormones using POCIS. Environ. Toxicol. Chem., 30 (6), 1412-1420.

Bartelt-Hunt, S. L.; Snow, D. D.; Damon-Powell, T.; Brown, D. L.; Prasai, G.; Schwarz, M.; Kolok, A. S. 2011. Quantitative evaluation of laboratory uptake rates for pesticides, pharmaceuticals, and steroid hormones using POCIS. Environmental Toxicology and Chemistry 30, (6), 1412-1420.

Bartelt-Hunt, S.; Snow, D. D. (2011). Monitoring Nonprescription Drugs in Surface Water in Nebraska (USA). Illicit Drugs in the Environment, John Wiley & Sons, Inc.: 189-201.

Bartelt-Hunt, S.; Snow, D. D.; Damon-Powell, T.; Miesbach, D. (2011) Occurrence of steroid hormones and antibiotics in shallow groundwater impacted by livestock waste control facilities. J. Contam. Hydrol., 123 (3-4), 94-103.

Bartelt-Hunt, S.; Snow, D. D.; Damon-Powell, T.; Miesbach, D., 2011. Occurrence of steroid hormones and antibiotics in shallow groundwater impacted by livestock waste control facilities. Journal of Contaminant Hydrology 123, (3-4), 94-103.

Chokejaroenrat, C.; Comfort, S. D.; Harris, C. E.; Snow, D. D.; Cassada, D.; Sakulthaew, C.; Satapanajaru, T. 2011. Transformation of Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) by Permanganate. Environmental Science & Technology, 45, (8), 3643-3649.

Efting, A.; Snow, D.; Fritz, S. 2011. Cyanobacteria and microcystin in the Nebraska (USA) Sand Hills Lakes before and after modern agriculture. Journal of Paleolimnology 46, (1), 17-27.

Halihan, T.; Albano, J.; Comfort, S. D.; Zlotnik, V. A. 2011. Electrical Resistivity Imaging of a Permanganate Injection During In Situ Treatment of RDX-Contaminated Groundwater. GWMR, 32 (1), 43-52.

Li, Z.; Dvorak, B.; Li, X. 2012. Removing 17beta-estradiol from drinking water in a biologically active carbon (BAC) reactor modified from a granular activated carbon (GAC) reactor. Wat. Res., 46 (9), 2828-2836.

Parker, D. B.; Gilley, J.; Woodbury, B.; Kim, K.-H.; Galvin, G.; Bartelt-Hunt, S. L.; Li, X.; Snow, D. D. 2011. Odorous VOC emission following land application of swine manure slurry. Atmos. Environ. http://www.sciencedirect.com/science/article/pii/S1352231012000040.

Sellin Jeffries, M. K.; Abbott, K. I.; Cowman, T.; Kolok, A. S. 2011. Occurrence and endocrine effects of agrichemicals in a small Nebraska, USA, watershed. Environ. Toxicol. Chem., 30 (10), 2253-2260.

Sellin Jeffries, M. K.; Conoan, N. H.; Cox, M. B.; Sangster, J. L.; Balsiger, H. A.; Bridges, A. A.; Cowman, T.; Knight, L. A.; Bartelt-Hunt, S. L.; Kolok, A. S. 2011. The anti-estrogenic activity of sediments from agriculturally intense watersheds: Assessment using in vivo and in vitro assays. Aquatic Toxicology, 105 (1-2), 189-198.

Spalding, R. F.; Toso, M. A.; Exner, M. E.; Hattan, G.; Higgins, T. M.; Sekely, A. C.; Jensen, S. D. Long-Term Groundwater Monitoring Results at Large, Sudden Denatured Ethanol Releases. GWMR, 31 (3), 69-81

Stamm, M. D.; Heng-Moss, T. M.; Baxendale, F. P.; Siegfried, B. D.; Gaussoin, R. E.; Snow, D. D.; Cassada, D. A. 2012. Effect of distribution and concentration of topically applied neonicotinoid insecticides in buffalograss, Buchloe dactyloides, leaf tissues on the differential mortality of Blissus occiduus under field conditions. Pest Manag. Sci., doi: 10.1002/ps.3387

Yang, Y.; Park, Y.; Cassada, D. A.; Snow, D. D.; Rogers, D. G.; Lee, J., 2011. In vitro and in vivo safety assessment of edible blue-green algae, Nostoc commune var. sphaeroides Kützing and Spirulina plantensis. Food and Chemical Toxicology 49, (7), 1560-1564.

Saunders, S. E.; Bartz, J. C.; Bartelt-Hunt, S. L. 2011. Soil-mediated prion transmission: Is local soil-type a key determinant of prion disease incidence? Chemosphere, 87 (7), 661-667.

Saunders, S. E.; Bartz, J. C.; Vercauteren, K. C.; Bartelt-Hunt, S. L. An enzymatic treatment of soil-bound prions effectively inhibits replication. Appl Environ Microbiol. 2011 Jul;77(13):4313-7. Epub 2011 May 13.

Saunders, S. E.; Shikiya, R. A.; Langenfeld, K.; Bartelt-Hunt, S. L.; Bartz, J. C. 2011. Replication efficiency of soil-bound prions varies with soil type. J Virol. 2011 Jun;85(11):5476-82. Epub 2011 Mar 23.

2010

Gachovska, T.; Cassada, D.; Subbiah, J.; Hanna, M.; Thippareddi, H.; Snow, D. 2010. Enhanced Anthocyanin Extraction from Red Cabbage Using Pulsed Electric Field Processing. Journal of Food Science 75, (6), E323-E329.

Pracheil, B.M., D.D. Snow, and M.A. Pegg. 2010. Distribution of selenium, mercury, and methylmercury in surficial Missouri River sediments. Bulletin of Environmental Contamination and Toxicology 84:331-335.

Sellin, M. K.; Snow, D. D.; Kolok, A. S., 2010. Reductions in hepatic vitellogenin and estrogen receptor alpha expression by sediments from an agriculturally impacted waterway. Aquatic Toxicology 96, (2), 103-108.

Albano. J., Comfort, S.D., Zlotnik, V., Halihan, T., Burbach, M.E., Chokejaroenrat, C., Onanong, S., & Clayton, W. 2010. In situ chemical oxidation of RDX-contaminated ground water with permanganate at the Nebraska Ordnance Plant. Ground Water Monitoring & Remediation, 30(3), 96-106.

Chokejaroenrat, C., Onanong, S., & Clayton, W. 2010. In situ chemical oxidation of RDX-contaminated ground water with permanganate at the Nebraska Ordnance Plant. Ground Water Monitoring & Remediation, 30(3), 96-106."

Eggemeyer, K.D., T. Awada, F.E. Harvey, D.A. Wedin, X.H. Zhou, and C.W. Zanner. (2009). Seasonal Changes in Depth of Water Uptake for Encroaching Trees Juniperus virginiana and Pinus ponderosa and Two Dominant C4 Grasses in a Semi-Arid Grassland. Tree Physiology. 29(1):pp

Erickson, T. J. Klopfenstein, R. A. Stock. 2010. Effect of feeding combinations of wet distillers grains and wet corn gluten feed to feedlot cattle. J. Anim. Sci. 88:1061-1072"

Exner, M.E., H. Perea-Estrada, and R.F. Spalding. 2010. Long-term response of groundwater nitrate concentrations to management regulations in Nebraska's central Platte valley. TheScientificWorldJOURNAL 10:286-297.

Hardiljeet K. B., S.D. Comfort, T. Satapanajaru, J.E. Szecsody, P.R. Grossl and P.J. Shea. 2010. Abiotic transformation of high explosives by freshly precipitated iron minerals in aqueous FeII solutions. Chemosphere, 79:865-872.

Pracheil, B.M., D.D. Snow, and M.A. Pegg. 2010. Distribution of selenium, mercury, and methylmercury in surficial Missouri River sediments. Bulletin of Environmental Contamination and Toxicology 84:331-335.Stamm, M. D.; Baxendale, F. P.; Heng-Moss, T. M.; Siegfried, B. D.; Blankenship, E. E.; Gaussoin, R. E. 2010. Dose-Response Relationships of Clothianidin, Imidacloprid, and Thiamethoxam to Blissus occiduus (Hemiptera: Blissidae). Journal of Economic Entomology, 104 (1), 205-210.

2009

Bartelt-Hunt, S. L.; Snow, D. D.; Damon, T.; Shockley, J.; Hoagland, K., 2009. The occurrence of illicit and therapeutic pharmaceuticals in wastewater effluent and surface waters in Nebraska. Environmental Pollution, 157, (3), 786-791.

Satapanajaru, T.; Onanong, S.; Comfort, S. D.; Snow, D. D.; Cassada, D. A.; Harris, C., 2009. Remediating dinoseb-contaminated soil with zerovalent iron. Journal of Hazardous Materials, 168, (2-3), 930-937.

Sellin, M. K.; Snow, D. D.; Akerly, D. L.; Kolok, A. S., 2009. Estrogenic Compounds Downstream From Three Small Cities in Eastern Nebraska: Occurrence and Biological Effect. JAWRA Journal of the American Water Resources Association, 45, 14-21.

Sellin, M. K.; Snow, D. D.; Gustafson, S. T.; Erickson, G. E.; Kolok, A. S., 2009. The endocrine activity of beef cattle wastes: Do growth-promoting steroids make a difference? Aquatic Toxicology, 92, (4), 221-227.

Sellin, M. K.; Snow, D. D.; Schwarz, M.; Carter, B. J.; Kolok, A. S., 2009. Agrichemicals in Nebraska, USA, Watersheds: Occurrence and Endocrine Effects. Environmental Toxicology and Chemistry, 28, (11), 2443-2448.

Waria, M.; Comfort, S. D.; Onanong, S.; Satapanajaru, T.; Boparai, H.; Harris, C.; Snow, D. D.; Cassada, D. A., 2009. Field-Scale Cleanup of Atrazine and Cyanazine Contaminated Soil with a Combined Chemical-Biological Approach. J Environmental Quality, 38, (5), 1803-1811.

Kolok, A.S., C.L. Beseler, X-H. Chen, and P.J. Shea. 2009. The watershed as a conceptual framework for the study of environmental and human health. Environ. Health Insights 3:1-10.

Mariappan, S., Mary E. Exner, Glen E. Martin, and Roy F. Spalding. 2009. Variability of anaerobic animal waste lagoon delta 15N source signatures. Environmental Forensics 10:18-25.

Rust, S.R., D. M. Price, J. Subbiah, G. Kranzler, G. G. Hilton, D. L. Vanoverbeke, and J. B. Morgan. 2008. Predicting beef tenderness using near-infrared spectroscopy. Journal of Animal Science, 86:211?219.

Satapanajaru, T., S. Onanong, S.D. Comfort, D.D. Snow, D.A. Cassada, and C. Harris. 2009. Remediating dinoseb-contaminated soil with zerovalent iron. J. Hazardous Materials 168:930-937.

Sellin, M. K.; Snow, D. D.; Akerly, D. L.; Kolok, A. S., Estrogenic Compounds Downstream From Three Small Cities in Eastern Nebraska: Occurrence and Biological Effect. JAWRA Journal of the American Water Resources Association 2009, 45, 14-21.

Sellin, M. K.; Snow, D. D.; Gustafson, S. T.; Erickson, G. E.; Kolok, A. S., The endocrine activity of beef cattle wastes: Do growth-promoting steroids make a difference? Aquatic Toxicology 2009, 92, (4), 221-227.

Sellin, M. K.; Snow, D. D.; Kolok, A. S., Reductions in hepatic vitellogenin and estrogen receptor alpha expression by sediments from an agriculturally impacted waterway. Aquatic Toxicology 96, (2), 103-108.

Sellin, M. K.; Snow, D. D.; Schwarz, M.; Carter, B. J.; Kolok, A. S., Agrichemicals in Nebraska, USA, Watersheds: Occurrence and Endocrine Effects. Environmental Toxicology and Chemistry 2009, 28, (11), 2443-2448Tarkalson, D.D., S.J. van Donk, and J.L. Petersen. 2009. Effect of nitrogen application timing on corn production using subsurface drip irrigation. Soil Science 174: 174-179.

Waria, M., S.D. Comfort, S. Onanong, T. Satapanajaru, H. Boparai, C. Harris, D. Snow, and D.A. Cassada. 2009. Field-Scale Cleanup of Atrazine and Cyanazine Contaminated Soil with a Combined Chemical-Biological Approach. Journal of Environ. Qual. 38:1803-1811.

Xu, Y.X., & Hanna, M.A. 2009. Synthesis and characterization of hazelnut oil-based biodiesel. Industrial Crops and Products 29, 473-479.

Xu, Y.X., & Hanna, M.A. 2010. Evaluation of Nebraska hybrid hazelnuts: nut and kernel characteristics, proximate, oil and protein compositions. Industrial Crops and Products, 31(1): 84-91.

Xu, Y.X., Hanna, M.A. 2009. Synthesis and characterization of hazelnut oil-based biodiesel. Industrial Crops and Products 29: 473-479.

2008

Kolok, A. S.; Snow, D. D.; Kohno, S.; Sellin, M. K.; Guillette, L. J. 2007. Occurrence and biological effect of exogenous steroids in the Elkhorn River, Nebraska, USA. Science of the Total Environment, 388(1-3), 104-115.

Arrigoni, A. S., G. C. Poole, L. A. K. Mertes, S. J. O'Daniel, W. W. Woessner, and S. A. Thomas. 2008. Buffered, lagged, or cooled? Disentangling hyporheic influences on temperature cycles in stream channels. Water Resources Research 44.

Boparai, H.K., P.J. Shea, S.D. Comfort, and T.A. Machacek. 2008. Sequencing zerovalent iron treatment with carbon amendments to remediate agrichemical-contaminated soil. Water, Air and Soil Poll. 193:189-196.

Boparai, H.K., S.D. Comfort, P.J. Shea, and J.E. Szecsody. 2008. Evaluating in situ redox manipulation of a perched aquifer to remediate explosive-contaminated groundwater. Chemosphere 71:933-941.

Walker, S., Lund JC, Schumacher DG, Brakhage PA, McManus BC, Miller JD, Augustine MM, Carney JJ, Holland RS, Hoagland KD, Holz JC, Barrow TM, Rundquist DC, Gitelson AA. 2008. Cyanobacterial Harmful Algal Blooms: State of the Science and Research Needs. In K. Hudnell (ed.), Advances in Experimental Medicine and Biology 619:135-148.

2007

Annable, W.K., Frape, S.K, O. Shouzkar-Stash, T. Shanoff, R.J. Drimmie, and F.E. Harvey, 2007, 37Cl, 15N, 13C, Isotopic Analysis of Common Agro-chemicals for Identifying Non-point Source Agricultural Contaminants, Applied Geochemistry, 22(7), p. 1539-1536.

Bennett, D.M. S.C. Fritz, J.C. Holz, A.A. Holz, and V.A. Zlotnik. 2007. Evaluating climatic and non-climatic influences on ion chemistry in natural and man-made lakes of Nebraska, USA. Hydrobiologia 591:103-115.

Dosskey, M.G., K.D. Hoagland, and J.R. Brandle. 2007. Change in filter strip performance over ten years. Journal of Soil and Water Conservation 62(1):21-32.

Franti, T.G., D.P. Shelton and J.D. Cermak. 2007. Development of a Storm Runoff Simulator: Part 2 - Water Output Control Device. Applied Engineering in Agriculture, 23(5):613-620.

Harvey, F.E., J.B. Swinehart and T.M. Kurtz, 2007, Ground Water Sustenance of Unique Ecosystems: Nebraska's Sand Hills Peatland Fens, Ground Water, 45(2), p. 218-234.

Kim, J., M. Cho, J. Yoon, P.J. Shea, and B-T. Oh. 2007. Surficial disinfection of Escheriachia coli contaminated playground soil by UV irradiation. Environ. Geochem. Health 12:64-71."

Kim, J.S., P.J. Shea, J.E. Yang, and J-E. Kim. 2007. Halide salts accelerate degradation of high explosives by zerovalent iron. Environmental Pollution 147:634-641

Kolok, Alan S.; Snow, Daniel D.; Kohno, Satomi; Sellin, Marlo K.; Guillette, Louis J. (2007) Occurrence and biological effect of exogenous steroids in the Elkhorn River, Nebraska, USA. Science of the Total Environment, 388(1-3), 104-115.

Reinsch, C.T., Admiraal, D.M., Dvorak, B.I., Cecrle, C.A., Franti, T.G., and Stansbury, J.S. (2007) Yard Waste Compost as a Storm Water Protection Treatment for Construction Sites, Water Environment Research, 79(8), 868-876.

Zlotnik, V.A., Burbach, M.E., Swinehart, J.B., Bennett, D., Fritz, S.C., Loope, D.B., & Olaguera, F. (2007). Direct push methods for aquifer characterization in dune-lake environments: The Nebraska Sand Hills. Environmental and Engineering Geosciences, 13, 205-216.

Zlotnik, V.A., D.E. Eisenhauer, D.J. Schlautman, B.R.Zurbuchen, and D.Van Peursem. 2007. Entrapped air effects on dipole flow test in sand tank experiments: Hydraulic conductivity and head distribution. Journal of Hydrology. 339: 193-205.

2006

Adam, M.A., S.D. Comfort, D.D. Snow, D. Cassada, M.C. Morley, and W. Clayton. 2006. Evaluating ozone as a remedial treatment for removing RDX from unsaturated soils.Journal of Environmental Engineering.132:1580-1588.

Batt A.L., D. D. Snow, D.S. Aga. 2006. Occurrence of sulfonamide antimicrobials in private water wells in Washington County, Idaho, USA. Chemosphere. 64: 1963 - 1971.

Boparai, H.K., P.J. Shea, S.D. Comfort, and D.D. Snow. 2006. Dechlorinating chloroacetanilide herbicides by dithionite-treated aquifer sediment and surface soil. Environ. Sci. Technol. 40:3043-3049.

Eggemeyer, K.D., T. Awada, D.A. Wedin, F.E. Harvey, and X. Zhou, 2006, Ecophysiology of two native invasive woody species and two dominant warm-season grasses in the semi-arid grasslands of the Nebraska Sandhills, International Journal of Plant Sciences. 167:991-999.

Gosselin, D.C., L.M. Klawer, R.M. Joeckel, F. E. Harvey, A.R. Reade, and K. McVey, 2006, Arsenic in Groundwater and Rural Public Water Supplies in Nebraska, U.S.A. Great Plains Research, 16(2), 137-148.

Gosselin, D.C., V. Sridhar, F.E. Harvey, and J. Goeke, 2006, Hydrological Effects and Groundwater Fluctuations in Interdunal Environments in the Nebraska Sand Hills, Great Plains Research, 16(1), 17-28."

Lockert, C.K., K.D. Hoagland, and B.D. Siegfried. 2006. Comparative sensitivity of freshwater algae to atrazine. Bull. Environ. Contamin. Toxicol. 76: 73-79.

Mamo, M, W.L. Kranz, E.R. Douskey, S. Kamble, and J.F. Witkowski. 2006. Impact of tillage and placement methods on terbufos insecticide runoff. Applied Engineering in Agriculture 22(4):555-560.

Tarkalson, D.D., J.O. Payero, S. Ensley, and C. Shapiro. 2006. Nitrate accumulation and movement under deficit irrigation in soil receiving cattle manure and commercial fertilizer. Agricultural Water Management. 85:201-210.

Young, T.S, M. Morley, and D.D. Snow. 2006. Anaerobic Biodegradation of Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) and Trichloroethylene (TCE): Single-and Dual-Contaminant Batch Tests. Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management, 10(2):94-101 "

Zhang, Y. I. A. Khan, X. H. Chen, and R. F. Spalding, 2006. Transport and persistence of ethanol in groundwater. Journal of Contaminant Hydrology 82: 183-194.

Before 2006

1990-2005

Adam, M.L., S.D. Comfort, M.C. Morley, D.D. Snow. 2004. Remediating RDX-contaminated ground water with permanganate: Laboratory investigations for the Pantex aquifer. J. Environ. Qual. 33:2165-2173.

Adam, M.L., S.D. Comfort, T.C. Zhang, and M.C. Morley. 2005. Evaluating Biodegradation as a Primary and Secondary Treatment for Removing RDX (Hexahydro-1,3,5-trinitro-1,3,5-triazine) from a Perched Aquifer. Bioremediation Journal 9:9-19.

Ayers, J..F. and D.C. Gosselin. 1995. Design of Multilevel Monitoring Wells for Continuous Sample Collection, Groundwater Monitoring and Remediation, 15, 119-124 .

Ayers, J.F.,Chen, X., and D.C. Gosselin. 1998. Behavior of Nitrate-Nitrogen Movement Around a Pumping High-Capacity Well: A Field Example, Journal of Groundwater, 36, 325-337.

Baer, J.U., W.L. Powers, P.J. Shea, and C.L. Stuefer-Powell. 1992. Pore size distribution index as an indicator of atrazine movement in a Crete silt loam soil. Soil Sci. 154:377-386.

Bates, H. K.; Martin, G. E.; Spalding, R. F., 1998. Kinetic isotope effects in production of nitrite-nitrogen and dinitrogen gas during in situ denitrification. Journal of Environmental Quality 27, (1), 183-191.

Bates, H. K.; Spalding, R. F., Aquifer denitrification as interpreted from in situ microcosm experiments. Journal of Environmental Quality 1998, 27, (1), 174-182.

Bier, E., Z. Li, J. Singh, S.D. Comfort, and P.J. Shea. 1999. Remediating hexahydro-1,3,5-trinitro-1,3,5-triazine-contaminated water and soil by Fenton oxidation. J. Environ. Toxicol. Chem. 18:1078-1084.

Cai, Z.; Ramanujam, V. M. S.; Gross, M. L.; Monson, S. J.; Cassada, D. A.; Spalding, R. F., Liquid-solid extraction and fast atom bombardment high-resolution mass spectrometry for the determination of hydroxyatrazine water at low-ppt levels. Analytical Chemistry 1994, 66, 4202-4209.

Caldwell, K. A.; Ramanujam, V. M. S.; Cai, Z.; Gross, M. L.; Spalding, R. F., 1993. Herbicide trace analysis by high-resolution fast atom bombardment mass spectrometry: quantification of low parts per trillion levels of atrazine in water. Anal. Chem. 65, (17), 2372-2379.

Cassada, D. A.; Monson, S. J.; Snow, D. D.; Spalding, R. F., Sensitive determination of RDX, nitroso-RDX metabolites, and other munitions in ground water by solid-phase extraction and isotope dilution liquid chromatography-atmospheric pressure electrospray ionization mass spectrometry. Journal of Chromatography A 1999, (844), 87-95.

Cassada, D. A.; Spalding, R. F.; Cai, Z.; Gross, M. L., Determination of atrazine, deethylatrazine and deisopropylatrazine in water and sediment by isotope dilution gas chromatography-mass spectrometry. Analytica Chimica Acta 1994, 287, 7-15.

Cassada, D. A.; Zhang, Y.; Snow, D. D.; Spalding, R. F., Trace Analysis of Ethanol, MTBE, and Related Oxygenate Compounds in Water Using Solid-Phase Microextraction and Gas Chromatography/Mass Spectrometry. Analytical Chemistry 2000, 72, (19), 4654-4658.

Cassada, D.A., S.J. Monson, D.D. Snow, and R.F. Spalding. 1999. Sensitive determination of RDX, nitroso-RDX metabolites, and other munitions in ground water by solid-phase extraction and isotope dilution liquid chromatography-atmospheric pressure electro-spray ionization mass spectrometry. Journal of Chromatography A, 844, 87-95.

Cassada, D.A., Y. Zhang, D.D. Snow, and R.F. Spalding. 2000. Trace analysis of ethanol, MTBE, and related oxygenate compounds by solid phase microextraction and gas chromatography/mass spectrometry. Analytical Chemistry, 72, (19), 4654-4658.

Chen, X, Ayers, J.F., and D.C. Gosselin. 1998.Analysis of Nitrate-Nitrogen movement near high-capacity irrigation wells, Ground Water Monitoring and Remediation, 18, 148-156.

Chen, X. and D.C. Gosselin. 1998. Numerical Simulation of Radial Gas Flow: Effects of Soil Anisotropy, Well Construction and Surface Seal, Journal of Hydrologic Engineering, January 1998, 52-61.

Comfort, S.D., P.J. Shea, L.S. Hundal, Z. Li, B.L. Woodbury, J.M. Martin, and W.L. Powers. 1995. TNT transport and fate in contaminated soil. J. Environ. Qual. 24:1174-1182.

Comfort, S.D., P.J. Shea, T.A. Machacek, and T. Satapanajaru. 2003. Pilot-scale treatment of RDX-contaminated soil with zerovalent iron. J. Environ. Qual. 32:1717-1725.

Comfort, S.D., P.J. Shea, T.A. Machacek, H. Gaber, and B.-T. Oh. 2001. Field-scale remediation of a metolachlor-contaminated field site using zerovalent iron. J. Environ. Qual. 30:1636-1643.

Exner, M. E.; Spalding, R. F., N-15 identification of nonpoint sources of nitrate contamination beneath cropland in the Nebraska Panhandle: two case studies. Applied Geochemistry 1994, 9, 73-81.

Gaber, H., S.D. Comfort, P.J. Shea, and T.A. Machacek. 2002. Metolachlor dechlorination by zerovalent iron during unsaturated transport. J. Environ. Qual. 31:962-969.

Gibb, C., T. Satapanajaru, S.D. Comfort, and P.J. Shea. 2004. Remediating dicamba-contaminated water with zerovalent iron. Chemosphere 54:841-848.

Gosselin, D.C. 1997. Major-ion Chemistry of Compositionally, Geochemically Diverse Lakes, Western Nebraska, U.S.A.: Implications for Paleoclimatic Interpretations, Journal of Paleolimnology, 17, 33-49.

Gosselin, D.C., and M. Khisty. 2001. Simulating the influence of two shallow, flow-through lakes on a Ground Water System. Hydrogeology Journal, 9, 476-486.

Gosselin, D.C., D.C. Rundquist, and S. McFeeters. 2000. Remote Monitoring of Selected Groundwater-Dominated Lakes in the Nebraska Sand Hills, Journal of the American Water Resources Association, 36 (5), 1039-1052.

Gosselin, D.C., F.E. Harvey, and C.D. Frost. 2001. Geochemical Evolution of Ground Water in the Great Plains (Dakota) Aquifer of Nebraska: Implications for the Management of a Regional Aquifer System. Journal of Ground Water, 39 (1), 98-108.

Gosselin, D.C., F.E. Harvey, C.D. Frost, R. Stotler, and A. Macfarlane. 2004. Strontium isotope geochemistry of ground water in the central part of the Great Plains (Dakota) aquifer. Applied Geochemistry, 19, 359–377.

Gosselin, D.C., J. Headrick, F.E. Harvey, and R. Tremblay. 1999. Fluoride in Nebraska’s Groundwater, Ground Water Monitoring and Remediation, 19 (2), 87-95.

Gosselin, D.C., J. Headrick, R. Tremblay, X. Chen, and S. Summerside. 1997. Domestic Well-water Quality in Rural Nebraska, Groundwater Monitoring and Remediation, 17, 77-87.

Gosselin, D.C., J.F. Ayers, and J.C. Guretzky. 1995. Sampling Dynamics of Irrigation Wells, Conference Proceedings, Clean Water-Clean Environment-21st Century, American Association Agricultural Engineers, 113-116.

Gosselin, D.C., J.F. Ayers, and Y-K. Zhang. Modeling Concentration Variations in High-Capacity Wells: Implications for Groundwater Sampling. Water Resources Bulletin, 30, 613-622.

Gosselin, D.C., P.E. Nabelek, Z.E. Peterman, and S. Sibray. 1997. Oxygen, Hydrogen, and Strontium Isotopes in Saline Alkaline Lakes from Western Nebraska, U.S.A., Journal of Paleolimnology, 17, 51-65.

Gosselin, D.C., S. Drda, F. E. Harvey, and J. Goeke. 1999. Hydrologic Dynamics of Two Interdunal Valleys in the Central Sand Hills Nebraska, Ground Water, 37 (6), 924-933.

Gosselin, D.C., S. Sibray, and J.F. Ayers. 1994. Geochemistry of K-rich Alkaline Lakes, Western Sandhills, Nebraska, USA., Geochimica Cosmochimica Acta, 58, 1403-1418.

Hassan, K. M.; Spalding, R. F., Hydrogen isotope values in lacustrine kerogen. 2001, 713-721.

Herbel, M. J.; Spalding, R. F., Vadose zone fertilizer-derived nitrate and d15N extracts. Ground Water 1993, 31, (3), 376-382.

Horst, G.L., P.J. Shea, N. Christians, D.R. Miller, C. Stuefer-Powell, and S.K. Starrett. 1996. Pesticide dissipation under golf course fairway conditions. Crop Sci. 36:362-370.

Horst, G.L., W.L. Powers, D.R. Miller, P.J. Shea, and E.A. Wicklund. 1994. Simulating natural drainage under turfgrass in chemical fate studies. Crop Sci. 34:292-295.

Horst, G.L., W.L. Powers, D.R. Miller, P.J. Shea, and E.A. Wicklund. 1994. Simulating natural drainage under turfgrass in chemical fate studies. Crop Sci. 34:292-295.

Huang, Y.H., T.C. Zhang, P.J. Shea, and S.D. Comfort. 2003. Effects of oxide coating and selected cations on nitrate reduction by iron metal. J. Environ. Qual. 32: 1306-1315.

Hundal, L.S., J. Singh, E.L. Bier, P.J. Shea, S.D. Comfort, and W.L. Powers. 1997. Removal of TNT and RDX from water and soil using iron metal. Environ. Pollution 26:896-904.

Hundal, L.S., P.J. Shea, S.D. Comfort, W.L. Powers, and J. Singh. 1997. Long-term TNT sorption and bound residue formation in soil. J. Environ. Qual. 26:896-904.

Hutchinson, P.J., P.J. Shea, J.M. Takacs, and P.E. Staswick. 1993. Immunoassay to detect enhanced carbamothioate degradation in soil. Weed Technol. 7:396-403.

Jayachandran, K., N.B. Stolpe, T.B. Moorman, and P.J. Shea. 1998. Application of 14C-most-probable-number technique to enumerate atrazine-degrading microorganisms in soil. Soil Biol. Biochem. 30:523-529.

Jones, K.L., G.C. Poole, W.W. Woessner, M.V. Vitale, B.R. Boer, S.J. O?Daniel, S.A. Thomasand B.A. Geffen. Geomorphology, hydrology, and aquatic vegetation drive seasonal hyporheic flow patterns across a gravel-dominated floodplain. Hydrological Processes. DOI: 10.1002/hyp.6554

Kreslavski, V.D., G.K. Vasilyeva, S.D. Comfort, R.A. Drijber, and P.J. Shea. 1999. Accelerated transformation and binding of 2,4,6-trinitrotoluene in rhizosphere soil. Bioremediation J. 3:59-67.

Krishnan, G., G.L. Horst, and P.J. Shea. 2000. Differential tolerance of cool and warm-season grasses to TNT. International J. Phytoremediation. 2:369-382.

Li, Z.M., M.M. Peterson, S.D. Comfort, G.L. Horst, P.J. Shea, and B.T. Oh. 1997. Remediating TNT-contaminated soil by soil washing and Fenton oxidation. Sci. Tot. Environ. 204:107-115.

Li, Z.M., P.J. Shea, and S.D. Comfort. 1997. Fenton oxidation of 2,4,6-trinitrotoluene in contaminated soil slurries. Environ. Eng. Sci. 14:55-66.

Li, Z.M., P.J. Shea, and S.D. Comfort. 1998. Nitrotoluene destruction by UV-catalyzed Fenton oxidation. Chemosphere 36:1849-1865.

Li, Z.M., S.D. Comfort, and P.J. Shea. 1997. Destruction of 2,4,6-trinitrotoluene (TNT) by Fenton oxidation. J. Environ. Qual. 26:480-487.

Ma, L.; Spalding, R. F., 1997. Effects of article recharge on ground water quality and aquifer storage recovery. Journal of American Water Resources Association, 33, (3), 561-572.

Ma, L.; Spalding, R. F., Stable isotope characterization of the impacts of artificial ground water recharge. Journal of the American Water Resources Association 1996, 32, (6), 1273-1282.

Martin, G. E.; Snow, D. D.; Kim, E.; Spalding, R. F., Simultaneous determination of argon and nitrogen. Ground Water 1995, 33, (5), 781-785.

Martin, G.E., D.D. Snow, E. Kim, and R.F. Spalding. 1995. Simultaneous determination of argon and nitrogen. Ground Water. 33 (5), 781-785.

Martin, J.L., S.D. Comfort, P.J. Shea, T.A. Kokjohn, and R.A. Drijber. 1997. Denitration of 2,4,6-trinitrotoluene (TNT) by Pseudomonas savastanoi. Can. J. Microbiol. 43:447-455.

Monson, S. J.; Ma, L.; Cassada, D. A.; Spalding, R. F., Confirmation and method development for dechlorinated atrazine from reductive dehalogenation of atrazine with Fe°. Analytica Chimica Acta 1998, 373, 153-160.

Oh, B.-T., G. Sarath, and P.J. Shea. 2001. TNT nitroreductase from a Pseudomonas aeruginosa strain isolated from TNT-contaminated soil. Soil Biol. Biochem. 33:875-881.

Oh, B.-T., G. Sarath, P.J. Shea, R.A. Drijber, and S.D. Comfort. 2000. Rapid spectrophotometric determination of 2,4,6-trinitrotoluene in a Pseudomonas enzyme assay. J. Microbiol. Methods. 42:149-158.

Papastavros, E., P.J. Shea, and M.A. Langell. 2004. Oxygen, carbon, and sulfur segregation in annealed and unannealed zerovalent iron substrates. Langmuir 20:11509-11516.

Park, J., S.D. Comfort, P.J. Shea, and J.S. Kim. 2005. Increasing Fe0-mediated HMX destruction in highly contaminated soil with didecyldimethylammonium bromide surfactant. Environ. Sci. Technol. 39:9683-9688.

Park, J., S.D. Comfort, P.J. Shea, and T.A. Machacek. 2004. Remediating munitions-contaminated soil with zerovalent iron and cationic surfactants. J. Environ. Qual. 33:1305-1313.

Peterson, M.M., G.L. Horst, P.J. Shea, and S.D. Comfort. 1998. Germination and seedling development of switchgrass and smooth bromegrass exposed to 2,4,6-trinitrotoluene. Environ. Poll. 99:53-59.

Peterson, M.M., G.L. Horst, P.J. Shea, S.D. Comfort, and R.K.D. Peterson. 1996. TNT and 4-amino-2,6-dinitrotoluene influence on germination and early seedling development of tall fescue. Environ. Pollution 93:57-62.

Powers, W.L., R.L. Verhoeff, A.M. Parkhurst, P.J. Shea, and W. Troyer. 1997. Spatial series analysis of horizontal cores to characterize tracer patterns in soil profiles. Soil Sci. Soc. Am. J. 61:1018-1023.

Roeth, F.W., R.G. Wilson, A.R. Martin, and P.J. Shea. 1989. Enhanced soil degradation of butylate and EPTC in Nebraska soils. Weed Technol. 3:24-29.

Roeth, F.W., R.G. Wilson, A.R. Martin, and P.J. Shea. 1990. Enhanced carbamothioate herbicide degradation research in Nebraska. Ch. 3, pages 23-36 in Racke, K.D. and J.R. Coats (eds). Enhanced Biodegradation of Pesticides in the Environment, American Chemical Society Symposium Ser. No. 426, American Chemical Society.

Satapanajaru, T., P.J. Shea, S.D. Comfort, and Y. Roh. 2003. Green rust and iron oxide formation influences metolachlor dechlorination during zerovalent iron treatment. Environ. Sci. Technol.37:5219-5227.

Satapanajaru, T., S.D. Comfort, and P.J. Shea. 2003. Enhancing metolachlor destruction rates with aluminum and iron salts during zerovalent iron treatment. J. Environ Qual. 32:1726-1734.

Schleicher, L.C., P.J. Shea, R.N. Stougaard, and D.R. Tupy. 1995. Dithiopyr efficacy and dissipation in ryegrass turf and comparison with pendimethalin. Weed Sci. 43:140-148.

Shea, P.J., T.A. Machacek, and S.D. Comfort. 2004. Accelerated remediation of pesticide-contaminated soil with zerovalent iron. Environmental Pollution. 132:183-188.

Singh, J., P.J. Shea, L.S. Hundal, S.D. Comfort, T.C. Zhang, and D.S. Hage. 1998. Iron-enhanced remediation of water and soil containing atrazine. Weed Sci.46:381-88.

Singh, J., S.D. Comfort, and P.J. Shea. 1998. Remediating RDX-contaminated water and soil using zero-valent iron. J. Environ. Qual. 27:1240-1245.

Singh, J., S.D. Comfort, and P.J. Shea. 1999. Iron-mediated remediation of RDX-contaminated water and soil under controlled Eh-pH. Environ. Sci. Technol. 33:1488-1494.

Singh, J., S.D. Comfort, L.S. Hundal, and P.J. Shea. 1998. Long-term RDX sorption and fate in soil. J. Environ. Qual. 27:572-577.

Smith, E.A., W.L. Powers, and P.J. Shea. 1995. Relationship of bromide and atrazine movement in soil to pore size distribution, compaction, and saturation cycles. Soil Sci. 159:23-31.

Snow, D. D.; Spalding, R. F. 1997. Short-term aquifer residence times estimated from 222Rn disequilibrium in artificially-recharged ground water. Journal of Environmental Radioactivity 1997, 37, (3), 307-325.

Snow, D. D.; Spalding, R. F., Uranium isotopes in the Platte River drainage basin of the North American High Plains Region. Applied Geochemistry 1994, 9, 271-278.

Sorenson, B.A., P.J. Shea, and F.W. Roeth. 1991. Effects of tillage, application time and rate on metribuzin dissipation. Weed Res. 31: 333-345.

Spalding, R. F.; Burbach, M. E.; Exner, M. E.; Parra-Vicary, L.; Alexander, D. R., Sprinkler irrigation: A VOC remediation alternative. Technology: Journal of the Franklin Institute 1994, 331A, 231-241.

Spalding, R. F.; Exner, M. E., Occurrence of nitrate in groundwater-a review. Journal of Environmental Quality 1993, 22, (3), 392-402.

Spalding, R. F.; Exner, M. E.; Martin, G. E.; Snow, D. D., Effects of sludge disposal on groundwater nitrate concentrations. J. Hydrol. 1993, 142, 213-228.

Spalding, R. F.; Exner, M. E.; Snow, D. D.; Cassada, D. A.; Burbach, M. E.; Monson, S. J., Herbicides in Ground Water beneath Nebraska's Management Systems Evaluation Area. J Environ Qual 2003, 32, (1), 92-99.

Spalding, R. F.; Exner, M. E.; Snow, D. D.; Stange, M. E., The Hastings, Nebraska ground water contamination superfund site: A case study in logic and illogic. Technology 1999, 6, 141-149.

Spalding, R. F.; Parrott, J. D., Shallow groundwater denitrification. The Science of the Total Environment 1994, 141, 17-25.

Spalding, R. F.; Snow, D. D.; Cassada, D. A.; Burbach, M. E., Study of pesticide occurrence in two closely spaced lakes in Northeastern Nebraska. J. Environ. Qual. 1994, 23, (3), 571-578.

Spalding, R. F.; Watts, D. G.; Schepers, J. S.; Burbach, M. E.; Exner, M. E.; Poreda, R. J.; Martin, G. E., Controlling nitrate leaching in irrigated agriculture. Journal of Environmental Quality 2001, 30, (4), 1184-1194.

Spalding, R. F.; Watts, D. G.; Snow, D. D.; Cassada, D. A.; Exner, M. E.; Schepers, J. S., Herbicide Loading to Shallow Ground Water beneath Nebraska's Management Systems Evaluation Area. J Environ Qual 2003, 32, (1), 84-91.

Spalding, R.F. Exner, M.E., Snow, D.D. and Stange, M.E. 1999. The Hastings, Nebraska ground water contamination Superfund site: A case in logic and illogic. Technology: Journal of The Franklin Institute, 6, 141-149.

Spalding, R.F. M. E. Exner, D. D. Snow, D.A. Cassada, M.E. Burbach, and S.J. Monson. 2003. Herbicides in Ground Water beneath Nebraska’s Management Systems Evaluation Area. Journal of Environmental Quality, 32, 92-99.

Spalding, R.F., and D.D. Snow, D.D. 1989. Stream levels of agrichemicals during a spring discharge event. Chemosphere, v.19, n.8, p.1129-1140.

Spalding, R.F., D. G. Watts, D. D. Snow, D. A. Cassada, M E. Exner, and J. S. Schepers 2003. Herbicide Loading to Shallow Ground Water beneath Nebraska’s Management Systems Evaluation Area. Journal of Environmental Quality, 32, 84-91.

Spalding, R.F., D.D. Snow, D.A. Cassada, and M.E. Burbach. 1994. Study of pesticide occurrence in two closely-spaced lakes in northeastern Nebraska. Journal of Environmental Quality, 23 (3), 571-578.

Spalding, R.F., D.G. Watts, J.S. Schepers, M.E. Burbach, M E. Exner, R. J. Poreda, G.E. Martin. 2001. Controlling nitrate leaching in irrigated agriculture. Journal of Environmental Quality, 30, 1184-1194.

Spalding, R.F., M.E. Exner, G.E. Martin, and D.D. Snow. 1993. Effects of sludge disposal on ground water nitrate concentrations. Journal of Hydrology, 142, 213-228.

Stahnke, G.K., P.J. Shea, D.R. Tupy, R.N. Stougaard, and R. Shearman. 1991. Pendimethalin dissipation in Kentucky bluegrass turf. Weed Sci. 39:97-103.

Stolpe, N.B. and P.J. Shea. 1995. Alachlor and atrazine degradation in a Nebraska soil and underlying sediment. Soil Sci. 160:359-370.

Stolpe, N.B., D.L. McCallister, P.J. Shea, D.T. Lewis, and R. Dam. 1993. Mobility of aniline, benzoic acid, and toluene in four soils and correlation with soil properties. Environ. Pollution 81:287-295.

Stolpe, N.B., M.S. Kuzila, and P.J. Shea. 1998. Importance of soil map detail in predicting pesticide mobility in terrace soils. Soil Sci. 163:394-403.

Stolpe, N.B., P.J. Shea, D.T. Lewis, and D.L. McCallister. 1992. Soil chromatographic columns to assess the mobility of synthetic organic compounds. Soil Sci. 154:145-150.

Stougaard, R.N., P.J. Shea, and A.R. Martin. 1990. Effect of soil type and pH on adsorption, mobility, and efficacy of imazaquin and imazethapyr. Weed Sci. 38:67-73.

Vasilyeva, G.K., B.-T. Oh, P.J. Shea, R.A. Drijber, V.D. Kreslavski, B. Minard, and J.-M. Bollag. 2000. Aerobic TNT reduction via 2-hydroxylamino-4,6-dinitrotoluene by Pseudomonas aeruginosa strain MX isolated from munitions-contaminated soil. Bioremediation J. 4:111-124.

Vasilyeva, G.K., L.P. Bakhaeva, E.R. Strijakova, and P.J. Shea. 2003. Bioremediation of 3,4-dichloroaniline and 2,4,6-trinitrotoluene in soil in the presence of natural adsorbents. Environ. Chem. Lett 11:179-183.

Vasilyeva, G.K., V.D. Kreslavski, and P.J. Shea. 2002. Catalytic oxidation of TNT by activated carbon. Chemosphere 47:311-317.

Vasilyeva, G.K., V.D. Kreslavski, B.-T. Oh, and P.J. Shea. 2001. Potential of activated carbon to decrease 2,4,6-trinitrotoluene toxicity and accelerate soil decontamination. Environ. Toxicol. Chem. 20:965-971.

Vasilyeva, G.K., V.D. Kreslavski, P.J. Shea, and J.-M. Bollag. 2002. Transformation and binding of 2,4,6-trinitrotoluene in soil amended with activated carbon. Dev. Soil Sci. 28B:157-167.

Verhoeff, R.L., W.L. Powers, P.J. Shea, D.B. Marx, and G.A. Wieman. 1997. Horizontal soil sampling to assess the vertical movement of agrichemicals. J. Soil Water Cons. 52:154-159.

Weber, J.B., P.J. Shea, and S.B. Weed. 1986. Fluridone retention and release in soils. Soil Sci. Soc. Amer. J. 50:582-588.

Wilson, R.G., P.J. Shea, and D.R. Tupy. 1995. Dinitroaniline herbicide carryover to sugarbeets. J. Sugarbeet Res. 32:201-213.

Zhu, J, D.D. Snow, D.A Cassada,, S.J Monson, and R.F. Spalding. 2001. Analysis of oxytetracycline, tetracycline, and chlortetracycline in water using solid phase extraction and liquid chromatography-tandem mass spectrometry, Journal of Chromatography A, 928,177-186.

Zlotnik, V. A.; Burbach, M. E.; Exner, M. E.; Spalding, R. F., Sampling For Agrichemicals in High Capacity Wells. Preprint: Journal of Soil and Water Conservation, 1-19.