Skip to main content
ARS Home » Northeast Area » Beltsville, Maryland (BARC) » Beltsville Agricultural Research Center » Hydrology and Remote Sensing Laboratory » People » Ali Sadeghi

Ali Sadeghi
headline bar
photo of Ali Sadeghi Ali M. Sadeghi, Ph.D.
Research Physicist (Retired)
USDA-ARS Hydrology and Remote Sensing Laboratory
Bldg. 007, Rm. 104, BARC-West
Beltsville, MD 20705-2350 USA
Voice: (301) 504-6693
Fax: (301) 504-8931


Research Interests: (click here to see a list of current research projects)


Professional Experience:


Professional Service:

Advising and Consulting Activities:

Selected Publications: (please contact the author to determine reprint availability)

(view author's publications/interpretive summaries/technical abstracts since 1999)

Sadeghi, A.M., A.R. Isensee. Impact of hairy vetch cover crop on herbicide transport under field and laboratory conditions. Chemosphere. 44:109-118. 2001.

Rice, P.J., L.L. McConnell, L.P. Heighton, A.M. Sadeghi, A.R. Isensee, J.R. Teasdale, A. Abdel-Baki, J.A. Harman-Fetcho, C.J. Hapeman. Runoff loss pf pesticides and soil: a comparison between vegetative mulch and plastic mulch in vegetable production systems. J. of Environ. Quality. 30:1808-1821. 2001.

Rice, P.J., L.L. McConnell, L.P. Heighton, A.M. Sadeghi, A.M., A.R. Isensee, J.R. Teasdale, A. Abdel-Baki, J.A. Harman-Fetcho, C.J. Hapeman. Comparison of copper levels in runoff from fresh-market vegetable production using polyethylene mulch or a vegetative mulch. Environ. Toxicology and Chemistry, vol. 21(1):24-30. 2002.

Sadeghi, A.M., J.G. Arnold. A SWAT/microbial sub-model for predicting pathogen loading in surface and groundwater at watershed and basin scales. In Total Maximum Daily Load (TMDL) Environmental Regulations: Proceedings of ASAE, Publication 701P0102, p. 56-63. 2002.

Teasdale, J.R., D.R. Shelton, A.M. Sadeghi, A.R. Isensee. Influence of hairy vetch residue on atrazine and metolachlor soil solution concentration and weed emergence. Weed Science, 51:628-634. 2003.

Krizek, D.T., J.C. Ritchie, A.M. Sadeghi, C.D. Foy, E.G. Rhoden, J.R. Davis, M.J. Camp. A four-year study of biomass production of Eastern Gamagrass grown on an acid compact soil. Communications in Soil Science Plant Analysis. Vol. 34, Nos. 3 & 4, pp. 457-480. 2003.

Shelton, D.R., Y.A. Pachepsky, A.M. Sadeghi, W.L. Stout, J.S. Karns, W.J. Gburek. Release rates of manure-borne coliform bacteria data on leaching through stony soil. Vadose Zone Journal. 2:34-39. 2003.

Hapeman, C.J., L.L. McConnell, C.P. Rice, A.M. Sadeghi, W.F. Schmidt, G.W. McCarty, J.L. Starr, P.J. Rice, J.T. Angier, J.A. Harman-Fetcho. Agricultural Research Service research on understanding agrochemical fate and transport to prevent and mitigate adverse environmental impacts. Pest Manag. Sci. 59:681-690. 2003.

Sadeghzadeh, K., A. Shirmohammadi, H. Montas, A. Sadeghi. Automated spatial allocation of BMPs for watershed-scale nitrogen management. Proceedings of ASAE, Paper No. 033036. 2003.

Sadeghzadeh, K., A. Shirmohammadi, H. Montas, A. Sadeghi. Applicability of Philips three-parameter type infiltration equation in layered soils. Proceedings of ASAE, Paper No. 033107. 2003.

Pachepsky, Y.A. S. Bradford, A.M. Sadeghi, A.K. Guber, D.R. Shelton. Modeling fate and transport of manure-borne pathogens in the environment. Pathogens in the Environment. Kansas City, MO, Workshop Proceedings, p.31. 2004.

Pachepsky, Y.A., M.Y. Kouznetsov, D.R. Shelton, R. Roodsari, A. Shirmohammadi, A.M. Sadeghi, J.L. Starr. Two-dimensional representation and modeling of bromide and microbial transport at a Hillslope Grass Buffer [abstract]. 1st General Assembly of the European Geophysical Union, Nice France. Workshop Proceedings. 2004.

Neurath, S.K., A.M. Sadeghi, A. Shirmohammadi, A.R. Isensee, A. Torrents. Atrazine distribution measured in soil and leachate following infiltration conditions. Chemosphere, 54:489-496. 2004.

Rice, P.J., J.A. Harman-Fetcho, J.R.Teasdale, A.M. Sadeghi, L.L. McConnell, C.B. Coffman, R.R. Herbert, L.P. Heighton, C.J. Hapeman. Use of Vegetative Furrows to Mitigate Copper Loads and Soil Loss in Runoff from Polyethylene (Plastic) Mulch Vegetable Production. Environ. Toxicol. Chem. 23(3):719-725. 2004.

Shirmohammadi, A., H. Montas, L. Bergstorm, A.M. Sadeghi, D.D. Bosch. Preferential flow: identification and quantification. In: Javier Alvarez-Benedi and Rafael Munoz-Carpena (eds.), Soil-Water-Solute Process Characterization, CRC Press. Washington, DC. p.289-308. 2004.

Harman-Fetcho, J.A., C.J. Hapeman, L.L. McConnell, T.L. Potter, C.P. Rice, A.M. Sadeghi, R.D. Smith, K. Bialek, K.A. Sefton, B.A. Shaffer, and R. Curry. Pesticide occurrence in selected South Florida Canals and Biscayne Bay during high agricultural activity. J. Agric. Food Chem. 53:6040-6048. 2005.

Hapeman, C.J., J.A. Harman Fetcho, R.D Smith, L.L. Mcconnell, T.L. Potter, B.A. Schaffer, R.W. Curry, C. Rice, K. Bialek, K.M. Kalinski, A.M. Sadeghi, K.A. Sefton, Agrochemical fate in South Florida ecosystems.Proceedings of IUPAC-UCR-MAG International Workshop on Crop Protection Chemistry. p.213. 2005.

Roodsari, R.M, D.R. Shelton, A. Shirmohammadi, Y.A. Pachepsky, A.M. Sadeghi, J.L. Starr. Fecal coliform transport as affected by surface condition. Transactions of the ASAE. Vol. 48 (3): 1055-1061. 2005.

Stout, W.L., Y.A. Pachepsky, D.R. Shelton, A.M. Sadeghi, L.S. Saporito, and A.N. Sharpley. Runoff transport of fecal coliform and phosphorous released from manure in grass buffer conditions. Letters in Applied Microbiology, 41:230-234. 2005.

Chu, T.W., A. Shirmohammadi, H. Montas, A.M. Sadeghi. Evaluation of the SWAT model's sediment and nutrient components in the Piedmont physiographic region of Maryland. Transactions of the ASAE. Vol. 47(5): 1523-1538. 2005.

Starr, J.L., A.M. Sadeghi, and Y. A. Pachepsky. Monitoring and modeling lateral transport through a large in situ chamber. Soil Sci. Soc. Am. J. 69:1871-1880. 2005.

Graff, C.D., A.M. Sadeghi, R.R. Lowrance, R.G. Williams. Quantifying the sensitivity of the riparian ecosystem management model (REMM) to changes in climate and buffer characteristics common to conservation practices. Transactions of the ASAE, vol. 48(4): 1377-1387. 2005.

Capuco, A.V., Baldwin, R.L., Rice, C., Hare Jr, W.R., Paape, M.J., Bannerman, D.D., Kauf, A.C., McCarty, G.W., Sadeghi, A.M., Starr, J.L., Mcconnell, L.L., Hapeman, C.J., Van Tassell, C.P. Assessing the relationship between ruminal perchlorate infusion in dairy cows and its levels in milk [abstract]. Journal of Dairy Science. 88(1):237. 2005.

Capuco, A.V., C. Rice, R.L. Baldwin, D.D. Bannerman, M.J. Paape, A.C. Kauf, G.W. McCarty, C.J. Hapeman, A.M. Sadeghi, J.L. Starr, L.L. Mcconnell, and C.P. Van Tassell. Fate of dietary perchlorate in lactating dairy cows: Relevance to animal health and levels in the milk supply. PNAS 102(45):16152-16157. 2005.

Neurath, S.K., A.M. Sadeghi, A. Shirmohammadi, A.R. Isensee, K.A. Sefton, A. Torrents. Spatial variability in the upper soil layer of a no-till field using a small-scale dye experiment. Soil Science. 170 (6):481-490. 2005.

Pachepsky, Y.A, Sadeghi, A.M., Bradford, S.C., Shelton, D.R., Guber, A.K., and Dao, T.H. Transport and Fate of Manure-Borne Pathogens: Modeling Perspective. Agricultural Water Management, 86 (2006) 81-92. doi:10.1016/j.agwat.2006.06.010. 2006.

Kouznetsov, M.Y., Roodsari, R., Pachepsky, Y.A., Shelton, D.R., Sadeghi, A.M., Shirmohammadi, A., and Starr, J.L. Modeling of Manure-borne Bromide and Fecal Coliform Transport with Runoff and Infiltration at a Hillslope. J. of Environmental Management, doi:10.1016/j.jenvman.2006.06.011. 2006.

Guber, A.K., Shelton, D.R., Sadeghi, A.M., Pachepsky, Y.A., and Sikora, L.J. Rainfall-Induced Release of Manure Constituents: Comparison of Models. Journal of Applied and Environmental Microbiology (AEM), Vol. 72, No. 12, pp: 7531-7539. 2006.

Benham, B. L., Baffaut, C., Zeckoski, R.W., Mankin, K.R., Pachepsky, Y.A., Sadeghi, A.M., Brannan, K.M., Soupir, M.L., and Habersack, M.J. Modeling Bacteria Fate and Transport in Watersheds to Support TMDLs. Trans. of the ASABE , Vol. 49(4): 987-1002. 2006

Rice, P.J., Harman-Fetcho, J.A., Sadeghi, A.M., McConnell, L.L., Coffman, C.B., Teasdale, J.R., Abdel-Baki, A., Starr, J.L., McCarty, G.W., Herbert, R.R., and Hapeman, C.J. Reducing Insecticide and Fungicide Loads in Runoff from Plastic Mulch with Vegetative-Covered Furrows. Journal of Agricultural and Food Chemistry.2006.

Guber, A.K., Karns, J.S., Pachepsky, Y.A., Sadeghi, A.M., van Kessel, J.S., and Dao, T.H. Comparison of release and transport of manure-borne E. coli and enterococci under grass buffer conditions" Letters in Applied Microbiology, ISSN 0266-8254. doi: 10.1111/j.1472-765X.2006.02065.x, 2006.

Rice, P.J., Hapeman, C.J., McConnell, L.L., Sadeghi, A.M., Teasdale, J.R., Coffman, B.C., McCarty, G.W., Baki, A.A., and Starr, J.L. Evaluation of Vegetable Production Management Practices to Reduce the Ecological Risk of Pesticides. Environmental Toxicology and Chemistry, Vol. 26, No. 11, pp. 2455-2464. 2007.

Neurath, S.K., Sadeghi, A.M., Shirmohammadi, A., Torrents, A., and Sefton, K.A. Sensitivity of atrazine partition coefficient on pesticide root zone model prediction of soil's atrazine residue distribution within the crop root zone. Soil Science, Vol. 172, No.1, pp: 42-54. 2007.

Sadeghi, A.M., Starr, J.L., Teasdale, J.R., Rosecrance, R.C., and Rowland, R.A. Real-Time Soil Profile Water Content as Influenced by Weed-Corn Competition. Soil Science, Vol. 172, No. 10, pp. 759-769. 2007

Sadeghi, A.M., Yoon, K., Graff, C., McCarty, G., McConnell, L., Shirmohammadi, A., Hively, D., Sefton, K. Comparison of SWAT and AnnAGNPS Applications to Sub-Watershed within the Chesapeake Bay Watershed in Maryland. The Fourth International SWAT Conference in Netherlands, Proceeding, 2007.

Sadeghi, A.M., Yoon, K., Graff, C., McCarty, G., McConnell, L., Schirmohammadi, A., Hively, D., Sefton, K. Assessing the Performance of SWAT and AnnAGNPS Models in a Coastal Plain Watershed, Choptank River, Maryland, U.S.A. ASABE Proceeding, Paper # 072032. 2007.

Wang, P., Sadeghi, A., Linker, L., Arnold, J., Shenk, G., Wu, J. Simulated Soil Water Content Effect on Plant Nitrogen Uptake and Export for Watershed Management. In: L. Ma, L.R. Ahuja, and T. Brusselma (eds.) Quantifying and Understanding Plant Nitrogen Uptake for Systems Modeling. CRC Press, Taylor & Francis Group, LLC, pp277-304. 2008.

Sadeghi, A.M., Yoon, K., Graff, C., McCarty, G., McConnell, L., Schirmohammadi, A., Hively, D., Sefton, K. Assessing the Performance of SWAT and AnnAGNPS Models in a Coastal Plain Watershed, Choptank River, Maryland, U.S.A. ASABE Proceeding, Paper # 072032. 2007.

McCarty, G.W., McConnell, L.L., Sadeghi, A.M., Hapeman, C.J., Graff, C., Hively, W.D., Lang, M.W., Fisher, T.R., Jordan, T., Rice, C., Whitall, D., Lynn, A., Keppler, J., Fogel, M.L. Overview of the Choptank River watershed conservation effectiveness assessment project. Journal of Soil and Water Conservation. 63:461-474. 2008.

Faucette, L.B., Sefton, K.A., Sadeghi, A.M., and Rowland, R.A. Sediment and phosphorous removal from simulated storm runoff with compost filter socks and silt fences. J. Soil and Water Conservation 63:257-264. 2008.

Faucette, L.B. Cardosa-Gendreau, F.A., Codling, E., Sadeghi, A.M., Pachepsky, Y.A. Storm Water Polluant Removal Performance of Compost Filter Socks. J. Environ. Qual. 38 :1233-1239. 2009.

Guber, A.K., Yakirevich, A.M., Sadeghi, A.M., Pachepsky, Y.A., Shelton, D.R. Uncertainty Evaluation of Coliform Bacteria Removal from Vegetated Filter Strip under Overland Flow Condition. J. Environ. Qual. 38 :1636-1644. 2009.

Baffaut, C., Sadeghi, A.M.  Bacteria modeling with SWAT for assessment and remediation studies: A review.  Transactions of the ASABE.  Vol. 53(5): 1585-1594. 2010.

Sexton, A.M., Sadeghi, A.M., Zhang, X., Srinivasan, R., Shirmohammadi. A.  Using NEXRAD and rain gauge precipitation data for hydrologic calibration of SWAT in a northeastern watershed. Transactions of the ASABE, Vol. 53(5): 1501-1510. 2010.

Whitall, D., Dean Hively, W., Leight, A.K., Hapeman, C.J., McConnell, L.L., Fisher, T., Rice, C.P., Codling, E., McCarty, G.W., Sadeghi, A.M., Gustafson, A., Bialek, K.  Pollutant fate and spatio-temporal variability in the Choptank river estuary: Factors influencing water quality, Sci Total Environ. 408:2096-108, doi:10.1016/j.scitotenv.2010.01.006. 2010.

Beeson, P.C., Doraiswamy, P.C., Sadeghi, A.M., Di Luzio, M., Tomer, M.D., Arnold, J.G., Daughtry, C.S.T.  Treatments of Precipitation Inputs to Hydrologic Models. Transactions of the ASABE, Vol. 54(6): 2011-2020. 2011.

Sexton, A.M., Shirmohammadi, A., Sadeghi, A.M., Montas. H.J.  Impact of parameter uncertainty on critical SWAT output simulations. Transactions of the ASABE, Vol. 54 (2): 461-471. 2011.

Sexton, A.M., Shirmohammadi, A., Sadeghi, A.M., Montas. H.J.  A Stochastic Method to Characterize Model Uncertainty for a Nutrient TMDL. Transactions of the ASABE 54(6): 2197-2207. 2011.

Guber, A.K., Pachepsky, Y.A., Yakirevich, A.M., Shelton, D.R., Sadeghi, A.M., Goodrich, D.C., Unkrich, C.L.  Uncertainity in modeling of faecal coliform overland transport associated with manure application in Maryland.  Hydrological Processes. Published online in Wiley Online Library ( DOI:1-.1002/hyp.8003.  2011.

Hively, D.W., Hapeman, C.J., McConnell, L.L., Fisher, T.R., Rice, C.P., McCarty, G.W., Sadeghi, A.M., Whitall, D.R., Downey, P.M., Nino de Guzman, G.T., Bialek-Kalinski, K., Lang, M.W., Gustafson, A.B., Sutton, A.J.  Relating nutrient and herbicide fate with landscape features and characteristics of 15 subwatersheds in the Choptank River watershed.  Sci Total Environ. 409: 3866-3878, doi: 10.1016/j.scitotenv.2011.05.024.  2011.

Daughtry, C.S.T., Beeson, P.C., Milak, S., Akhmedov, B., Hunt Jr. E.R., Sadeghi, A.M. and Tomer, M.D. Remote sensing of soil tillage intensity in a CEAP watershed in central Iowa, In: C.N. Medley, et al. (eds.), Research in the Watersheds: Observing, studying, and managing for change. U.S.G.S. Scientific Investigation Report 2011-5169, U.S. Geological Survey, Reston, VA. pp. 168-173. 2011.

Cardoso, F., Shelton, D.R., Sadeghi, A.M., Shirmohammadi, A., Pachepsky, Y.A., Dulaney, W.P.  Effectiveness of vegetated filter strips in retention of Escherichia coli and Salmonella from swine manure slurry.  Journal of Environmental Management. 110: 1-7.  2012.

Daughtry, C.S.T., Hunt Jr., E.R., Beeson, P.C., Lang, M.W., Serbin, G., Alfieri, J.G. McCarty, G.W., Sadeghi, A.M. Remote sensing of soil carbon and greenhouse gas dynamics across agricultural landscapes. In: M.A. Liebig, A. Franzluebers, R.F. Follett, (eds) Managing Agricultural Greenhouse Gases: Coordinated Agricultural research through GRACEnet to Address our Changing Climate. pp. 385-408. Academic Press, Amsterdam. doi:10.1016/B978-0-12-386897-8.00022-x. 2012.

Yeo, I.-Y., Lee S., Sadeghi, A.M., Beeson, P.C., Hively, W.D., McCarty, G.W., Lang, M.W. Assessing winter cover crop nutrient uptake efficiency using a water quality model. Hrdrol. Earth Syst. Sci. Discuss., 10, 14229-14263. doi:10.5194/hessd-10-14229-2013. 2013.

Zhang, X., Beeson, P.C., Link, R., Manowitz, D., Izaurralde, R.C., Sadeghi, A.M., Thomson, A.M., Sahajpal, R., Srinivasan, R., Arnold, J.G. Efficient multi-objective calibration of a computationally intensive hydrological model with parallel computing software in python. Environmental Modelling & Software, 46: 208-218. 2013.

Guber, A., Pachepsky, Y.A., Dao, T.H., Shelton, D.R., Sadeghi, A.M. Evaluating manure-release parameters for non-point contaminant transport model STWIR/KINEROS2. Ecological Modeling. 263: 126-138. 2013.

Tomer, M.D., Beeson, P.C., Meek, D.W., Moriasi, D.N., Rossi, C.G., Sadeghi, A.M. Evaluating Simulations of Daily Discharge from Large Watersheds Using Autoregression and an Index of Flashiness. Transactions of the ASABE, Vol. 56(4):1317-1326. 2013.

Yeo, I.-Y., Lee, S., Sadeghi, A.M., Beeson, P.C., Hively, W.D., McCarty, G.W., Lang, M.W. Assessing winter cover crop nutrient uptake efficiency using a water quality simulation model. Hydrol. Earth Syst. Sci., 18, 5239-5253, 2014. doi:10.5194/hess-18-5239-2014. 2014.

Beeson, P.C., Sadeghi, A.M., Lang, M.W., Tomer, M.D., Daughtry, C.S.T. Sediment Delivery Estimates in Water Quality Models Altered by Resolution and Source of Topographic Data. Journal of Environmental Quality, 43:26-36. doi:10.2134/jeq2012.0148. 2014.

Gassman, P.W., Sadeghi, A.M., Srinivansan, R. Applications of the SWAT model special section: overview and insights. J. Environ. Qual. 43:1-8. doi:10.2134/jeq2013.11.0466. 2014.

McCarty G.W., Hapeman C.J., Rice C.P., Hively W.D., McConnell L.L., Sadeghi A.M., Lang M.W., Whitall D.R., Bialek K., Downey P. Metolachlor metabolite (MESA) reveals agricultural nitrate-N fate and transport in Choptank River watershed. Sci Total Environ 473-474:473-482. 2014.

Arnold, J. G., Youssef, M.A., Yen, H., White, M.J., Sheshukov, A.Y., Sadeghi, A.M., Moriasi, D.N., Steiner, J.L., Amatya, D.M., Skaggs, R.W., Haney, E.B., Jeong, J., Arabi, M., Gowda P.H.  Hydrological processes and model representation: Impact of soft data on calibration.  Trans. of the ASABE; Vol. 58(6): 1637-1660; DOI 10.13031/trans.58.10726. 2015.

Guzman, J.A., Shirmohammadi, A., Sadeghi, A.M., Wang, X., Chu, M. L., Jha, M.K., Parajuli, P.B., Harmel, R.D., Khare, Y.P., Hernandez. J.E.  Uncertainty considerations in calibration and validation of hydrologic and water quality models.  Trans. of the ASABE; Vol. 58(6): 1745-1762; DOI 10.13031/trans.58.10710. 2015.

Lee, S., Yeo, I.Y., Sadeghi, A.M., Lang, M.W., McCarty, G.W., Hively, W.D.  Impacts of watershed characteristics and crop rotations on winter cover crop nitrate –nitrogen uptake capacity within agricultural watershed in the Chesapeake Bay region.  PLOS ONE J. DOI:10.1371/journal.pone.0157637. 2016.

Renkenberger, J., Montas, H., Leisnham, P.T., Chanse, V., Shirmohammadi, A., Sadeghi, A.M., Brubaker, K., Rockler, A., Hutson, T., Lansing, D.  Climate change impact on critical source area identification in a Maryland watershed. Transactions of the ASABE; Vol. 59(6): 1803-1819 2016; DOI 10.13031/trans.59.11677. 2016.

Beeson, P.C., Daughtry, C.S.T., Hunt Jr., E.R., Akhmedov, B., Sadeghi, A.M., Karlen, D.L., Tomer, M.D.  Multispectral satellite mapping of crop residue cover and tillage intensity in Iowa. J. of Soil and Water Conservation, Vol. 71, No. 5; doi:10.2489/jswc.71.5.385. 2016.

Sharifi, A.R., Lang, M.W., McCarty, G.W., Sadeghi, A.M., Lee, S., Yen, H., Rabenhorst, M.C., Jeong, J., Yeo, I-Y.   Improving model prediction reliability through enhanced representation of wetland soil processes and constrained model auto calibration – A paired watershed study. Journal of Hydrology, Vol. 541: 1088-1103. 2016.

Bian, H., Lü, H., Sadeghi, A.M., Zhu, Y., Yu, Z., Ouyang, F., Su, J., Chen, R.  Assessment on the effect of climate change on streamflow in the source region of the Yangtze River, China.  Water 9, 70; doi:10.3390/w9010070. 2017.


logo for the Hydrology and Remote Sensing Laboratory