Steiner, J.L., Sadler, E.J., Chen, J., Wilson, G.J., James, D.E., Vandenberg, B.C., Ross, J.D., Oster, T., Cole, K.L. 2008. Sustaining the earth's watersheds-agricultural research data system: Overview of development and challenges. Journal of Soil and Water Conservation. 63(6):569-576.
Jaynes, D.B., James, D.E. 2007. The Extent of Cropland Drainage in the United States [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, 2007, New Orleans, LA.
Moorman, T.B., Tomer, M.D., James, D.E. 2007. E. coli and enterococcus in a large agricultural watershed: temporal, hydrologic and animal production [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, 2007, New Orleans, LA.
Moorman, T.B., Tomer, M.D., James, D.E., Hadish, G., Rossi, C.G. 2008. Water Quality and Conservation Practices in the South Fork of the Iowa River. USDA-CSREES National Water Quality Conference. Available: http://www.soil.ncsu.edu/swetc/waterconf/2008/home08.htm
Tomer, M.D., James, D.E., Green, C.H., Hadish, G., Moorman, T.B. 2007. Water Quality and Conservation Practices in the South Fork of the Iowa River [abstract]. Soil and Water Conservation Society Proceedings. p. 40.
Tomer, M.D., Moorman, T.B., Kovar, J.L., James, D.E., Burkart, M. 2007. Spatial Patterns of Sediment and Phosphorus in a Riparian Buffer, Western Iowa. Journal of Soil and Water Conservation. 62(5):329-338.
Tomer, M.D., Hadish, G., James, D.E., Cole, K.L. 2006. Implications of a Conservation Practices Inventory for Water Quality in an Iowa Watershed [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN. 2006 CDROM.
Williams, C., Liebman, M., Edwards, J.W., James, D.E., Herzmann, D., Singer, J.W., Arritt, R. 2006. Use of aggregated environment data to predict spatial variation of crop yields across a landscape. American Society of Agronomy Abstracts. P314-3.
Tomer, M.D., James, D.E., Green, C.H., Moorman, T.B. 2006. Conservation Practices and Water Quality in the Iowa River's South Fork Watershed [abstract]. Soil and Water Conservation Society. p.39.
Moorman, T.B., Tomer, M.D., James, D.E. 2006. Escherichia coli and enterococcus in the south fork of the Iowa river watershed [abstract]. Soil and Water Conservation Society. p. 87.
Tomer, M.D., Moorman, T.B., James, D.E., Green, C.H., Burkart, M.R. 2007. Water quality and conservation practices in the Iowa River's South Fork Watershed. Proceedings of USDA-CSREES National Water Quality Conference. p.17.
Cruse, R.M., Flanagan, D.C., Frankenberger, J.R., Gelder, B.K., Herzmann, D., James, D.E., Krajewski, W., Kraszewski, M., Laflen, J.M., Opsomer, J. and Todey, D. 2006. Daily estimates of rainfall, water runoff, and soil erosion in iowa. Journal of Soil and Water Conservation. 61(4):191-199.
Tomer, M.D., Cambardella, C.A., James, D.E., Moorman, T.B. 2005. Variation in surface-soil properties and water contents across two watersheds with contrasting tillage histories. In: Proceedings of the Soil Science Society of America Annual Meeting. Soil Science Society of American Annual Meeting, November 6-10, 2005, Salt Lake City, UT. 2005 CDROM.
Tomer, M.D., Cambardella, C.A., James, D.E., Moorman, T.B. 2006. Surface-soil properties and water contents across two watersheds with contrasting tillage histories. Soil Science Society of America Journal. 70:620-630.
Tomer, M.D., Burkart, M.R., Cambardella, C.A., Meek, D.W., James, D.E., Kramer, L.A. 2005. Conservation practices: short term decisions with long term effects. Soil Conservation and Water Quality Symposium Proceedings. Available: http://www.swcs.org/en/swcs_international_conferences/2005_annual_conference/index.cfm?nodeID=7455&audienceID=1
Tomer, M.D., Dosskey, M.G., Burkart, M.R., James, D.E., Helmers, M.J., Eisenhauer, D.E. 2005. Placement of riparian forest buffers to improve water quality. [CD-ROM]. ST. PAUL, MN: North American Agroforestry Conference.
Burkart, M.R., James, D.E., Liebman, M.Z., Herndl, C. 2005. Impacts of integrated crop-livestock systems on nitrogen dynamics and soil erosion in western Iowa watersheds. Journal of Geophysical Research-Biogeosciences. 110:G1. G01009,10.1029/2004JG000008.
Burkart, M.R., James, D.E., Liebman, M., Van Ouwerkerk, E. 2005. A nitrogen budget model as an indicator of leachable nitrogen under agricultural catchments. Poster. Ames, IA.
Burkart, M.R., James, D.E., Liebman, M., Van Ouwerkerk, E. 2004. A nitrogen budget model as an indicator of leachable nitrogen under agricultural catchments [CD-ROM]. Washington, D.C. American Geophysical Union.
Green, C.H., Di Luzio, M., Tomer, M.D., Arnold, J.G., James, D.E. 2004. Swat model development for a large agricultural watershed in Iowa [CD-ROM]. ASA-CSSA-SSSA Proceedings. Madison, WI.
Burkart, M.R., James, D.E., Liebman, M., Vanouwerkerk, E. 2004. Integrating principles of nitrogen dynamics in a method to estimate leachable nitrogen under agricultural systems[abstract]. Proceedings of the 8th International Conference on Diffuse Pollution. 1:175
Burkart, M.R., James, D.E., Tomer, M.D. 2004. Relating hydrologic variables and stream order to locate riparian buffers [CD-ROM]. Proceedings of the 8th International Conference on Diffuse Pollution. Kyoto, Japan; London, England.
Tomer, M.D., Burkart, M.R., James, D.E., Cole, K.J., Greenan, C.M., Green, C.H. 2004. The Iowa River's South Fork watershed: terrain, land use, and water quality. Soil and Water Conservation Society Proceedings. p. 15.
Tomer, M.D., James, D.E. 2004. Do soil survey and terrain analyses identify similar priority sites for conservation?. Soil Science Society of America Journal. 68:1905-1915.
Tomer, M.D., James, D.E., Isenhart, T.M. 2003. Using terrain analysis to plan the placement of conservation practices in a watershed [CD-ROM]. Kansas City, MO: Midwest Fish and Wildlife Conference.
Burkart, M.R., James, D.E., Tomer, M.D. 2004. Hydrologic and terrain variables to aid strategic location of riparian buffers. Journal of Soil And Water Conservation. 59(5):105-115.
BURKART, M.R., TOMER, M.D., JAMES, D.E., ISENHART, T. MODELING HYDROLOGIC VARIABLES AND TERRAIN FEATURES FOR STRATEGICALLY LOCATING RIPARIAN BUFFERS AND WETLANDS. FIRST INTERAGENCY CONFERENCE ON RESEARCH IN THE WATERSHEDS. 2003. CD-ROM. TUCSON, AZ.
Sauer, T.J., Sreematkandalam, K.C., Tim, U.S., James, D.E., Hatfield, J.L. Measurement and Prediction of Phosphorus Transport From Swine Manure at the Watershed Scale [abstract]. International Symposium on Agricultural & Food Processing Wastes Proceeding. American Society of Agricultural Engineers. p. 535.
SAUER, T.J., SREEMATKANDALAM, K.C., TIM, U.S., JAMES, D.E., HATFIELD, J.L. MEASUREMENT AND PREDICTION OF PHOSPHORUS TRANSPORT FROM SWINE MANURE AT THE WATERSHED SCALE. INTERNATIONAL SYMPOSIUM ON AGRICULTURAL & FOOD PROCESSING WASTES PROCEEDING. 2003. P. 535-541.
VAN OUWERKERK, E., JAMES, D.E., RICHARD, T.L., LIEBMAN, M., BURKART, M.R. A MULTI-MODEL APPROACH FOR SUSTAINABLE AGRICULTURE IN THE US CORN BELT. ASAE ANNUAL INTERNATIONAL MEETING. 2003. P. 387-393.
VAN OUWERKERK, E.J., JAMES, D.E., RICHARD, T.L., BURKART, M.R., LIEBMAN, M. A MULTI-MODEL APPROACH FOR SUSTAINABLE AGRICULTURE IN THE US CORN BELT. ASAE ANNUAL INTERNATIONAL MEETING. 2003. ABSTRACT. P. 387.
BURKART, M.R., JAMES, D.E., TOMER, M.D. ESTIMATING HYDROLOGIC VARIABLES AND TERRAIN FEATURES TO STRATEGICALLY LOCATE RIPARIAN BUFFERS. AMERICAN WATER RESOURCES ASSOCIATION CONFERENCE PROCEEDINGS. 2003. CD-ROM. MIDDLEBURG, VA.
TOMER, M.D., JAMES, D.E., ISENHART, T.M. OPTIMIZING THE PLACEMENT OF RIPARIAN PRACTICES IN A WATERSHED USING TERRAIN ANALYSES. JOURNAL OF SOIL AND WATER CONSERVATION. 2003. V. 58(4). P. 198-206.
TOMER, M.D., JAMES, D.E. OPTIMIZING THE PLACEMENT OF RIPARIAN PRACTICES TO INTERCEPT NUTRIENTS IN A TILE-DRAINED WATERSHED. AMERICAN SOCIETY OF AGRONOMY MEETINGS. 2002. CD-ROM. MADISON, WI.
Tomer, M.D., James, D.E. 2002. Optimizing placement of practices to intercept nutrients in a tiled-drained agricultural watershed [abstract]. Soil and Water Conservation Society. 57:296