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- Dougherty, B.W., C.H. Pederson, A.P. Mallarino, D.S. Andersen, M.L. Soupir, R.S. Kanwar, M.J. Helmers. (2020). Midwestern cropping system effects on drainage water quality and crop yields. Journal of Environmental Quality.49(1):38-49. doi: 10.1002/jeq2.20007. Epub 2020 Jan 29.
- Martin, A.R., M.L. Soupir, A.L. Kaleita. (2019) Seasonal and intra-event nutrient levels in farmed prairie potholes of the Des Moines Lobe. Transactions of ASABE. 62(6): 1607-1617. (doi: 10.13031/trans.13414) @2019
- Martin, A.R., A.L. Kaleita, M.L. Soupir. (2019) Inundation patterns of farmed prairie potholes with varying subsurface drainage. Transactions of ASABE.62(6): 1579-1590. (doi: 10.13031/trans.13435) @2019
- Hoover, N.L., J.Y. Law, L.M. Long, R.S. Kanwar, M.L. Soupir. (2019) Long-term impact of poultry manure on crop yield, soil and water quality, and crop revenue. Journal of Environmental Management. 252, 109582. https://doi.org/10.1016/j.jenvman.2019.109582
- Colgan, P., S. Smith, F, Yang, E. Rieke, M.L. Soupir, T. Moorman, H. Allen, A. Howe. 2019. The origin and persistence of genes related to antibiotic resistance from manure application to soil and effluent waters in simulated agricultural drainage systems. PLoS one. 14 (9), e0222470. DOI: 10.1371/journal.pone.0222470
- Udpadhyay, P., A.L. Kaleita, M.L. Soupir. 2019. Assessment of USGS DEMs for modelling pothole inundation in the prairie pothole region of Iowa. Geocarto International. DOI: 10.1080/10106049.2019.1573852
- Davis, M.P., E.A. Martin, T.B. Moorman, T.M. Isenhart,M.L. Soupir. 2019. Nitrous oxide and methane production from denitrifying woodchip bioreactor at three hydraulic residence times. Journal of Environmental Management. 242: 290-297. DOI: 10.1016/j.jenvman.2019.04.055
- Martin, E.A., M.P. Davis, T.B. Moorman, T.M. Isenhart, M.L. Soupir. 2019. Impact of hydraulic residence time on nitrate removal in pilot-scale woodchip bioreactors. Journal of Environmental Management. 237:424-432. DOI: 10.1016/j.jenvman.2019.01.025
- Upadhyay, P., L.O.S. Prunski, A.L. Kaleita, M.L. Soupir. 2019. Effects of land management on inundation of prairie pothole wetlands in the Des Moines Lobe using AnnAGNPS. Agricultural Water Management. 213:947-956. DOI: doi.org/10.1016/j.agwat.2018.12.016
- Rieke, E.L., M.L. Soupir, T.B. Moorman, F. Yang, A. Howe. 2018. Temporal dynamics of bacterial communities in soil and leachate water after swine manure application. Frontiers in Microbiology. 9:3197
- Brendel, C.D., M.L. Soupir, L.M. Long, M.J. Helmers, C.D. Ikenberry, A.L. Kaleita. 2018. Impact of catchment scale hydrology and management practice implementation on phosphorus export. Journal of Environmental Quality. 48(1):117-126 doi:10.2134/jeq2018.07.0265
- Rieke, E.L., T.B. Moorman, M.L. Soupir, F. Yang, A. Howe. 2018. Novel approach to assessing pathogen presence in an intensively tile drained agricultural watershed. Journal of Environmental Quality. DOI: 10.3389/fmicb.2018.03197
- Pandey, P.K., M.L. Soupir, Y. Wang, W. Cao, V. Vaddella, S. Biswas, R. Atwill, G. Pasternack. 2018. Assessment of water column and sediment microbial quality of mountain and agricultural streams. Journal of Environmental Quality. 47(5):985-996 DOI: 10.2134/jeq2017.12.0483
- Law, J.Y., M.L. Soupir, T.B. Moorman, D. R. Raman. 2018. Exploring multiple operating scenarios to identify low-cost, high nitrate removal strategies for electrically-stimulated woodchip bioreactors. Journal of Ecological Engineering. 47(5):985-996 DOI: 10.2134/jeq2017.12.0483
- Chai, L., H. Xin, Y. Zhao, T. Wang, M.L. Soupir. 2018 Mitigating airborne bacteria emissions from litter of cage-free hen houses by spray of acidic electrolyzed water. Biosystems Engineering.
- Upadhyay, P., L.O.S. Prunski, A.L. Kaleita, M.L. Soupir. 2018. Evaluation of AnnAGNPS for simulating the inundation of drained and farmed potholes in the Prairie Pothole Region of Iowa. Agricultural Water Management.
- Chai, L., H. Xin, Y. Zhao, T. Wang, M.L. Soupir, K. Liu. 2018. Mitigating ammonia emissions from liquid-sprayed litter of cage-free hen house with a solid litter additive. Transactions of ASABE. doi: 10.13031/trans.12481
- Choi, J., E.L. Rieke, T.B. Moorman, M.L. Soupir, H. Allen, S.D. Smith, A.C. Howe. 2018. Practical implications of erythromycin resistance gene diversity on surveillance and monitoring of resistance. FEMS Microbiology Ecology.
- Hruby, C.E.*, M.L. Soupir, T.B. Moorman, C. Pederson, R.S. Kanwar.2018. Salmonella and fecal indicator bacteria in soils amended with poultry manure. Water Air and Soil Pollution 229 (2):32. doi: 10.1007/s11270-017-3667-z
- Soupir, M.L., Hoover, N.L. * *, T.B. Moorman, J. Y. Law*, B.L. Bearson. 2018. Impact of temperature and hydraulic retention time on pathogen and nutrient removal in woodchip bioreactors. Journal of Ecological Engineering. 112:153-117. https://doi.org/10.1016/j.ecoleng.2017.12.005
- Law, J.Y.*, M.L. Soupir, D.R. Raman, T.B. Moorman. Challenges and opportunities to use electrical stimulation in denitrification woodchip bioreactors. Journal of Ecological Engineering. 110: 38-47. DOI: 10.1016/j.ecoleng.2017.10.002
- Rieke, E.M.*, T.B. Moorman, E.L. Douglass, M.L. Soupir. 2018. Seasonal variation of macrolide resistance gene abundances in the South Fork Iowa River Watershed. Science of the Total Environment. 610: 1173-1179. DOI: 10.1016/j.scitotenv.2017.08.116
- Washington, M.T. *, T.B. Moorman, M.L. Soupir, M. Shelley, A.J. Morrow. 2018. Monitoring Tylosin and Sulfamethazine in a tile-drained agricultural watershed using polar organic chemical integrative sampler (POCIS). Science of the Total Environment. 612: 358-367. DOI: 10.1016/j.scitotenv.2017.08.090
- Hice, S.A., Santoscoy, M.C.*, M.L. Soupir, R. Cademartiri. 2018. Distinguishing between metabolically active and dormant bacteria on paper. Applied Microbiology and Biotechnology. DOI: 10.1007/s00253-017-8604-y
- Liang, X.*, C. Liao*, M.L. Soupir, L.R. Jarboe, M.L. Thompson, P.M. Dixon. 2017. coli attachment to model particulates: the effects of bacterial cell characteristics and particulate properties. PLOS ONE. 12(9):e0184664
- Liao, C.*, X. Liang*, F. Yang, M.L. Soupir, A. Howe, M.L. Thompson, L.R. Jarboe. 2017. Allelic variation in outer membrane protein A impacts attachment of Escherichia coli to environmental particles. Frontiers in Microbiology. 8: 708
- Ikenberry, C.D.*, W.G. Crumpton, J. Arnold, M.L. Soupir, P.W. Gassman. 2017. Evaluation of existing and modified wetland equations in the SWAT model. Journal of the American Water Resources Association. 53(6): 1267-1280.
- Ikenberry, C.D.*, M.L. Soupir, M.J. Helmers, W.G. Crumpton, J. Arnold, P.W. Gassman. 2017. Simulation of daily flow pathways, tile-drained nitrate concentrations, and soil-nitrogen dynamics using SWAT. Journal of the American Water Resources Association. 53(6): 1251-1266.
- Brendel, C.E.*, M.L. Soupir. 2017. Relating watershed characteristics to elevated stream coli levels in agriculturally dominated landscapes. Water. 9: 154. DOI:10.3390/w9030154
- Hoover, N.L.**, M.L. Soupir, R.D. VanDePol, T.R. Goode, and J.Y. Law*. 2017. Technical note: Pilot scale denitrifying bioreactors for replicated field research. Applied Engineering in Agriculture. 33(1):83-90. Hoover et al_Applied Eng in Ag_pilot bioreactors
- Liang, X.*, C. Liao*, M.L. Thompson, M.L Soupir, L.R. Jarboe, P.M. Dixon. 2016. Diversity in properties of coli derived from stream water and sediment. Frontiers in Microbiology. DOI: http://dx.doi.org/10.3389/fmicb.2016.01732
- Hruby, C.E.*, M.L. Soupir, M. Shelley, T.B. Moorman, R.S. Kanwar. 2016. Effects of Tillage and Poultry Manure Application Rates on Salmonella and Fecal Indicator Bacteria Concentrations in Tiles Draining Des Moines Lobe Soils. Journal of Environmental Management. 171:60-69.
- Zwonitzer, M.R.*, M.L. Soupir, L.R. Jarboe, D.R. Smith. 2016. Quantifying attachment and antibiotic resistance of Escherichia coli from conventional and organic swine manure. Journal of Environmental Quality. DOI: 10.2134/jeq2015.05.0245
- Luby, E.M.*, T.B. Moorman, M.L. Soupir. 2016. Fate and transport of tylosin-resistant bacteria and macrolide resistance genes in artificially drained agricultural fields receiving swine manure application. Science of the Total Environment. 550:1126-1133.
- Pandey, P.K.*, M.L. Soupir, Rehmann C.R., Ikenberry, C. 2016. Modified SWAT Model for Developing TMDLs for Bacteria. Journal of the American Water Resources Association.
- Hoover, N.L.*, A. Bhandari, M.L. Soupir, and T.B. Moorman. Woodchip Denitrification Bioreactors: Impact of Temperature and Hydraulic Retention Time on Nitrate Removal. Journal of Environmental Quality. 45:803-812.
- Gali, R.K.*, M.L. Soupir, A.L. Kaleita, P. Daggupati. 2015. Identifying potential locations for grassed waterways using terrain attributes and precision conservation technologies. Transactions of the ASABE. 58(5) DOI: 10.13031/trans.58.10995
- Liao, C.*, X. Liang*, M.L. Soupir, L.R. Jarboe. 2015. Cellular, particle and environmental properties influencing attachment in waters: A review. Journal of Applied Microbiology. 119 (2): 315-330.
- Hoover, N.L.**, R.S. Kanwar, M.L. Soupir, C. Pederson. 2015. Phosphorus Transport in Soil under Long-Term Applied Poultry Manure. Water Air and Soil Pollution. 226:138. DOI: 10.1007/s11270-015-2403-9
- Pandey, P.K.*, G.B. Pasternack, M. Majumder, M.L. Soupir, M.S. Kaiser. A neighborhood statistics model for predicting stream pathogen indicator levels. Journal of Environmental Monitoring and Assessment. 187(3): 124. DOI: 10.1007/s10661-014-4228-1
- Gali, R.K.* and Soupir, M.L. 2015. Near shore beach volume modeling approach for setting beach bacteria TMDLs: A case study, Hickory Grove Lake, Iowa. Applied Engineering in Agriculture. 31(1): 73-82.
- Pandey, P.K., S. Biswas, V.K. Vaddella, M.L. Soupir. 2015 Escherichia coli persistence kinetics in dairy manure at moderate, mesophilic, and thermophilic temperatures under aerobic and anaerobic environments. Bioprocess and Biosystems Engineering. 38(3): 457-467. DOI: 10.1007/s00449-014-1285-3
- Liang, X.*, M.L. Soupir, S. Rigby, L.R. Jarboe, W. Zhang. 2014. Flow cytometry as a method to partition between freely suspended coli and E. coli attached to clay particles. Journal of Applied Microbiology. 117:1730-1739.DOI: 10.1111/jam.12660
- Pandey, P.K.*, Soupir, M.L. 2014. Assessing relationships between in –stream Escherichia coli, total suspended sediment, and water nutrients during storm flow in an Agricultural Watershed in Iowa. Transactions of the ASABE. 57(6): 1571-1581. DOI: 10.13031/trans.57.10371
- Ikenberry, C.D, M.L. Soupir, K.E. Schilling, C.S. Jones, A. Seeman. Nitrate-nitrogen export: Magnitude and patterns from drainage districts to downstream river basins. Journal of Environmental Quality. 43(6): 2024-2033. DOI: 10.2134/jeq2014.05.0242.
- Pandey, P.K., P. Kass, M.L. Soupir, S. Biswas, V. Singh. 2014. Contamination of water resources by pathogenic bacteria. AMB Express. 4:51 DOI 10.1186/s13568-014-0051-x
- Garder, J.L.*, T.B. Moorman, and M.L. Soupir. Occurrence and movement of total and tylosin resistant enterococci, erm genes, and tylosin in tile-drained agricultural fields receiving swine manure application. Journal of Environmental Quality. 43:1484-1493.
- Pandey, P.K.*, Sethi, L.N., Pholane, L.P., Soupir, M.L., Panda, S. N. 2014. Growth performance and economic analysis of Indian major Carps and Tilapia in Rainwater Ponds. Fisheries Technology. 51(2).
- Brown, S.B.*, C.D. Ikenberry*, M.L. Soupir, J. Bisinger, J.R. Russell. 2014. Predicting time cattle spend in streams to quantify direct deposition of manure for TMDL development. Applied Engineering in Agriculture. 30(2): 187-195. DOI 10.13031/aea.30.10393
- W., Y. Zhao, H. Xin, B. Li, R.S. Gates, Y. Zhang, and M. Soupir. 2014. Airborne particulate matter and bacteria reduction from spraying slightly acidic electrolyzed water in an experimental aviary laying-hen system. Transactions of the ASABE. 57(1):229-236.
- Yang, Z., H. Xin, D. Zhao, W. Zheng, W. Tian, H. Ma, K. Liu, H. Hu, T. Wang, M. Soupir. 2014. Free chlorine loss during spray of membrane-less acidic electrolyzed water and its antimicrobial effect on airborne bacteria from poultry houses. Annals of Agricultural and Environmental Medicine. 12(2): 249-255.
- Zheng, W., Y. Zhao, H. Xin, B. Li, R. Gates, Y. Zhang, M. Soupir. 2013. Concentrations and size distributions of airborne particulate matter and bacteria in an experimental aviary laying-hen housing system. Transactions of the ASABE. 56(6): 1493-1501.
- Hoang, T.T.T.*, M.L. Soupir, A. Bhandari, and P. Liu. 2013. Occurrence of tylosin-resistant enterococci in swine manure and tile drainage systems under no-till management. Water Air and Soil Pollution. 224:1754. DOI 10.1007/s11270-013-1754-3
- Pandey, P.K *, P. van der Zaag, M.L. Soupir, and V.P. Singh. 2013. A model for predicting supplemental irrigation and potential rainwater harvesting for rainfed agriculture. Water Resources Management. 27(8) 3145-3164. DOI 10.1007/s11269-013-0340-1.
- Pandey, P.K. * and M.L. Soupir. Assessing the impacts of streambed sediment on total E. coli load over a range of flows. Journal of the American Water Resources Association. 49(6) 1261-1269 DOI: 10.1111/jawr.12079.
- McDaniel, R.L.*, M.L. Soupir, Tuttle, R.*, and A. Cervantes*. 2013. Release, dispersion, and resuspension of coli from direct fecal deposits under controlled flows. Journal of the American Water Resources Association. 49(2): 319-327. DOI:10.1111/jawr.12.022.
- McDaniel, R.L.* and M.L. Soupir. Relationships between manure particle and E. coli transport from direct fecal deposits under steady-state flows. Water Air and Soil Pollution. 224(2). DOI:10.1007/s11270-013-1444-1.
- Nguyen, H.Q., R.S. Kanwar, N. Hoover*, P. Dixon, J. Hobbs, C. Pederson, M.L. Soupir. 2013. Long-term effects of poultry manure application on nitrate leaching in tile drainage water. Transactions of the ASABE. 56(1): 91-101.
- Nguyen, H.Q., N. Hoover*, R.S. Kanwar, P. Dixon, J. Hobbs, C. Pederson, M.L. Soupir. 2012. Effects of repeated surface application of poultry manure crop yield, N uptake and soil nitrate residual from a corn-soybean rotation. Journal of Research, published by Punjab Agricultural University, Ludhiana, India.
- Pandey, P.K.*, Soupir, M.L. 2012. Impacts of temperatures on biogas production in dairy manure anaerobic digestions. International Journal of Engineering and Technology. 4(5): 1793-8244.
- ±Gali, R., M.L. Soupir and S. Mostaghimi. Transport of nutrients from various pastureland management scenarios. Journal of Environmental Monitoring. 14(9): 2421-2429. DOI:10.1039/C2EM30390F.
- Pandey, P.K. *, M.L. Soupir, M. Haddad, J. J. Rothwell. 2012. Assessing the impacts of watershed indexes and precipitation on spatial in-stream coli concentrations. Ecological Indicators. 23:641-652. DOI: 10.1016/j.ecolind.2012.05.023.
- Pandey, P.K.* and M.L. Soupir. 2012. A new method to estimate the variation of hourly and long term average daily global solar radiation on horizontal surface. Atmospheric Research. 114-115:83-90. DOI:10.1016/j.atmosres.2012.05.012.
- Pandey, P.K. *, M.L. Soupir, and C.R. Rehmann. A model to predict resuspension of E. coli from streambed sediments. Water Research. 46: 115-126. DOI:10.1016/j.watres.2011.10.019
- Liu, P., M.L. Soupir, M.R. Zwonitzer*, B. Huss*, L.R. Jarboe. 2011. Association of antibiotic resistance in agricultural Escherichia coli isolates with attachment to quartz. Applied and Environmental Microbiology. 77(19): 6945-6953. DOI: 10.1128/AEM.00717-11.
- Pandey, P.K. *, M.L. Soupir, V.P. Singh, and S.N. Panda. 2011. Modeling rainwater storage in distributed reservoir systems in humid subtropical and tropical savannah regions. Water Resources Management. 25(13): 3091-3111. DOI:10.1007/s11269-011-9847-5.
- Pandey, P.K.* and M.L. Soupir. E. coli inactivation kinetics in anaerobic digestion of solid dairy manure under low, mesophilic and thermophilic temperatures. AMB Express. DOI:10.1186/2191-0855-1-18.
- Pandey, P.K. *, P.M. Ndegwa, M.L. Soupir, J.R. Alldredge, and M. Pitts. Efficacies of inocula on the startup of anaerobic reactors treating dairy manure under stirred and unstirred conditions. Biomass and Bioenergy. 35(7): 2705-2720. DOI: 10.1016/j.biombioe.2011.03.017.
- ±Soupir, M.L. and S. Mostaghimi. E. coli and enterococci attachment to particles in runoff from high and low vegetative cover grassland. Water, Air and Soil Pollution. 216: 167-178. DOI:10.1007/s11270-010-0524-8.
- Pandey, P.K. *, P.M. Ndegwa, J.R. Alldredge, M. Pitts, and M.L. Soupir. Modeling effects of granules on the start-up of anaerobic digestion of dairy wastewater with Langmuir and extended Freundlich equations. Bioprocess and Biosystems Engineering. 33(7): 833-845. DOI: 10.1007/s00449-010-0406-x.
- ±Soupir, M.L., S. Mostaghimi, and T. Dillaha. Attachment of Escherichia coli and enterococci to particles in runoff from bare soils. Journal of Environmental Quality. 39(3): 1019-1027. DOI:10.2134/jeq2009.0296.
- Rehmann, C.R. and M.L. Soupir. 2009. Importance of interactions between the water column and the sediment for microbial concentrations in streams. Water Research. 43: 4579-4589. DOI: 10.1016/j.watres.2009.06.049.
- Soupir, M.L., S. Mostaghimi, and C.E. Mitchem, Jr. A comparative study of stream-gaging techniques employed during low flows. Journal of the American Water Resources Association. 45(1): 110-122. DOI: 10.1111 ⁄ j.1752-1688.2008.00264.x.
- ±Soupir, M.L., S. Mostaghimi, and J. Lou. Die-off of E. coli and enterococci in dairy cowpats. Transactions of the ASABE. 51(6): 1987-1996.
- ±Soupir, M.L., S. Mostaghimi, and N.G. Love. A method to partition between attached and unattached E. coli in runoff from agricultural lands. Journal of the American Water Resources Association. 44(6): 1591-1599. DOI: 10.1111 ⁄ j.1752-1688.2008.00262.x.
- ±Benham, B.L., C. Baffaut, R.W. Zeckoski, Y.A. Pachepsky, K.R. Mankin A.M. Sadeghi, K.M. Brannan, M.L. Soupir, and M.J. Habersack. Modeling pathogen fate and transport in watersheds to support TMDLs. Transactions of the ASABE. 49(4):987-1002.
- ±Soupir, M.L., S. Mostaghimi, and E.R. Yagow. Nutrient transport from livestock manure applied to pastureland using phosphorus-based management strategies. Journal of Environmental Quality. 35:1269-1278.
- ±Soupir, M.L., S. Mostaghimi, E.R. Yagow, C. Hagedorn, and D.H. Vaughan. Transport of fecal bacteria from poultry litter and cattle manures applied to pastureland. Water, Air and Soil Pollution. 169(1-4):125-136.
- Soupir, M.L., S. Mostaghimi, A. Masters, K.A. Flahive, D.H. Vaughan, A. Mendez, and P.W. McClellan. 2004. The effectiveness of polyacrylamide (PAM) in reducing runoff, TSS and nutrient losses from construction sites. Journal of the American Water Resources Association. 40(1): 53-66.