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David E James
Agricultural Land and Watershed Management Research
Geographic Information Specialist

Phone: (515) 294-6858
Fax: (515) 294-8125
2110 UNIVERSITY BOULEVARD
NAT SOIL TILTH LAB
AMES, IA, 50011-0000


Publications
Enhancing watershed research capacity: the role of data management - (Abstract) - (30-Sep-08)
Data management to enhance long-term watershed research capacity - (Proceedings/Symposium) - (15-Jul-08)
STEWARDS Watershed Data System: Data Development, User Interaction, and Operations Management - (Peer Reviewed Journal) - (09-Jun-08)
STEWARDS watershed data system: overview - (Peer Reviewed Journal) - (03-Jun-08)
METHODS TO PRIORITIZE PLACEMENT OF RIPARIAN BUFFERS FOR IMPROVED WATER QUALITY - (Peer Reviewed Journal)
Tomer, M.D., Dosskey, M.G., Burkart, M.R., James, D.E., Helmers, M.J., Eisenhauer, D.E. 2008. Methods to prioritize placement of riparian buffers for improved water quality. Agroforestry Systems. Available: http://www.springerlink.com/content/p316k5622l171003.
Assessment of the Iowa River's South Fork watershed: 2. Conservation practices - (Peer Reviewed Journal) - (30-Nov-07)
The Extent of Cropland Drainage in the United States - (Abstract)
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.
E. coli and Enterococcus in a Large Agricultural Watershed: Temporal, Hydrologic and Animal Production - (Abstract)
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.
Patterns of sediment and phosphorus accumulation in a riparian buffer - (Abstract)
Tomer, M.D., Moorman, T.B., Kovar, J.L., James, D.E., Burkart, M.R 2007. Patterns of sediment and phosphorus accumulation in a riparian buffer [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, November 4-8, 2007, New Orleans, LA.
Water Quality and Conservation Practices in the South Fork of the Iowa River - (Abstract)
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
STEWARDS: A watershed data system - (Abstract)
Steiner, J.L., Sadler, E.J., Wilson, G.J., James, D.E., Vandenberg, B.C., Ross, J.D., Oster, T., Cole, K.J., Chen, J., Hatfield, J.L. 2007. Stewards: A watershed data system [abstract]. ASA-CSSA-SSSA Annual. CD-ROM 2007.
Water Quality and Conservation Practices in the South Fork of the Iowa River - (Abstract)
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.
Spatial Patterns of Sediment and Phosphorus in a Riparian Buffer, Western Iowa - (Peer Reviewed Journal)
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.
PREDICTING SPATIAL VARIATION OF CROP YIELD ACROSS A LANDSCAPE USING AGGREGATED ENVIRONMENTAL DATA - (Peer Reviewed Journal)
Williams, C.L., Liebman, M., Edwards, J.W., James, D.E., Singer, J.W., Arritt, R.W., Herzmann, D. 2008. Predicting spatial variation of crop yield across a landscape using aggregated environmental data. Crop Science. 48:1545-1559.
Implications of a Conservation Practices Inventory for Water Quality in an Iowa Watershed - (Abstract)
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.
Use of aggregated environment data to predict spatial variation of crop yields across a landscape - (Abstract)
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.
Conservation Practices and Water Quality in the Iowa River's South Fork Watershed - (Abstract)
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.
ESCHERICHIA COLI AND ENTEROCOCCUS IN THE SOUTH FORK OF THE IOWA RIVER WATERSHED - (Abstract)
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.
WATER QUALITY AND CONSERVATION PRACTICES IN THE IOWA RIVER'S SOUTH FORK WATERSHED - (Proceedings/Symposium)
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.
DAILY ESTIMATES OF RAINFALL, WATER RUNOFF, AND SOIL EROSION IN IOWA - (Peer Reviewed Journal)
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.
VARIATION IN SURFACE-SOIL PROPERTIES AND WATER CONTENTS ACROSS TWO WATERSHEDS WITH CONTRASTING TILLAGE HISTORIES - (Proceedings/Symposium)
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.
SURFACE-SOIL PROPERTIES AND WATER CONTENTS ACROSS TWO WATERSHEDS WITH CONTRASTING TILLAGE HISTORIES - (Peer Reviewed Journal)
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.
CONSERVATION PRACTICES: SHORT TERM DECISIONS WITH LONG TERM EFFECTS - (Abstract)
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
PLACEMENT OF RIPARIAN FOREST BUFFERS TO IMPROVE WATER QUALITY - (Proceedings/Symposium)
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.
IMPACTS OF INTEGRATED CROP-LIVESTOCK SYSTEMS ON NITROGEN DYNAMICS AND SOIL EROSION IN WESTERN IOWA WATERSHEDS - (Peer Reviewed Journal)
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.
RELATING HYDROLOGIC VARIABLES AND STREAM ORDER TO LOCATE RIPARIAN BUFFERS - (Peer Reviewed Journal) - (15-Apr-05)
INTEGRATING PRINCIPLES OF NITROGEN DYNAMICS IN A METHOD TO ESTIMATE LEACHABLE NITROGEN UNDER AGRICULTURAL SYSTEMS - (Peer Reviewed Journal) - (15-Apr-05)
A NITROGEN BUDGET MODEL AS AN INDICATOR OF LEACHABLE NITROGEN UNDER AGRICULTURAL CATCHMENTS - (Other)
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.
A NITROGEN BUDGET MODEL AS AN INDICATOR OF LEACHABLE NITROGEN UNDER AGRICULTURAL CATCHMENTS - (Abstract)
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.
THE IOWA RIVER'S SOUTH FORK WATERSHED: TERRAIN, LAND USE, AND WATER QUALITY - (Abstract)
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 [CD-ROM]. ASA-CSSA-SSSA Proceedings. Madison, WI.
SWAT MODEL DEVELOPMENT FOR A LARGE AGRICULTURAL WATERSHED IN IOWA - (Abstract)
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.
INTEGRATING PRINCIPLES OF NITROGEN DYNAMICS IN A METHOD TO ESTIMATE LEACHABLE NITROGEN UNDER AGRICULTURAL SYSTEMS - (Abstract)
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
RELATING HYDROLOGIC VARIABLES AND STREAM ORDER TO LOCATE RIPARIAN BUFFERS - (Abstract)
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.
EFFECTS OF INTEGRATED CROP-LIVESTOCK SYSTEMS ON LEACHABLE NITROGEN, CHANGE IN SOIL ORGANIC NITROGEN, AND SOIL EROSION IN WESTERN IOWA WATERSHEDS - (Abstract) - (28-Jul-04)
THE IOWA RIVER'S SOUTH FORK WATERSHED: TERRAIN, LAND USE, AND WATER QUALITY - (Popular Publication)
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.
QUANTIFICATION OF TILLAGE AND LANDSCAPE EFFECTS ON SOIL CARBON IN SMALL IOWA WATERSHEDS - (Peer Reviewed Journal)
Moorman, T.B., Cambardella, C.A., James, D.E., Karlen, D.L., Kramer, L.A. 2004. Quantification of tillage and landscape effects on soil carbon in small Iowa watersheds. Soil & Tillage Research. 78(2):225-236.
DO SOIL SURVEY AND TERRAIN ANALYSES IDENTIFY SIMILAR PRIORITY SITES FOR CONSERVATION? - (Peer Reviewed Journal)
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.
USING TERRAIN ANALYSIS TO PLAN THE PLACEMENT OF CONSERVATION PRACTICES IN A WATERSHED - (Abstract)
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.
RUNOFF AND BASEFLOW RELATIONSHIPS AS INFLUENCED BY MANAGEMENT AND TERRAIN - (Abstract)
TOMER, M.D., MEEK, D.W., KRAMER, L.A., JAMES, D.E. RUNOFF AND BASEFLOW RELATIONSHIPS AS INFLUENCED BY MANAGEMENT AND TERRAIN. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2003. CD-ROM. MADISON, WI.
HYDROLOGIC AND TERRAIN VARIABLES TO AID STRATEGIC LOCATION OF RIPARIAN BUFFERS - (Peer Reviewed Journal)
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.
MODELING HYDROLOGIC VARIABLES AND TERRAIN FEATURES FOR STRATEGICALLY LOCATING RIPARIAN BUFFERS AND WETLANDS - (Abstract)
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.
MEASUREMENT AND PREDICTION OF PHOSPHORUS TRANSPORT FROM SWINE MANURE AT THE WATERSHED SCALE - (Abstract)
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.
MEASUREMENT AND PREDICTION OF PHOSPHORUS TRANSPORT FROM SWINE MANURE AT THE WATERSHED SCALE - (Proceedings/Symposium)
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.
A MULTI-MODEL APPROACH FOR SUSTAINABLE AGRICULTURE IN THE US CORN BELT - (Proceedings/Symposium)
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.
A MULTI-MODEL APPROACH FOR SUSTAINABLE AGRICULTURE IN THE US CORN BELT - (Abstract)
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.
ESTIMATING HYDROLOGIC VARIABLES AND TERRAIN FEATURES TO STRATEGICALLY LOCATE RIPARIAN BUFFERS - (Abstract)
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.
OPTIMIZING THE PLACEMENT OF RIPARIAN PRACTICES IN A WATERSHED USING TERRAIN ANALYSES - (Peer Reviewed Journal)
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.
MODELING HYDROLOGIC VARIABLES AND TERRAIN FEATURES FOR STRATEGICALLY LOCATING RIPARIAN BUFFERS AND WETLANDS - (Abstract)
BURKART, M.R., JAMES, D.E., TOMER, M.D. MODELING HYDROLOGIC VARIABLES AND TERRAIN FEATURES FOR STRATEGICALLY LOCATING RIPARIAN BUFFERS AND WETLANDS. AMERICAN GEOPHYSICAL UNION. 2002. CD-ROM. WASHINGTON, DC.
OPTIMIZING THE PLACEMENT OF RIPARIAN PRACTICES TO INTERCEPT NUTRIENTS IN A TILE-DRAINED WATERSHED - (Abstract)
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.
HYDROLOGIC VARIABLES FOR OPTIMUM LOCATION OF RIPARIAN BUFFERS TO REDUCE NON-POINT-SOURCE AGRICULTURAL CONTAMINANTS - (Abstract)
BURKART, M.R., JAMES, D.E. HYDROLOGIC VARIABLES FOR OPTIMUM LOCATION OF RIPARIAN BUFFERS TO REDUCE NON-POINT-SOURCE AGRICULTURAL CONTAMINANTS. INTERNATIONAL CONFERENCE ON DIFFUSE POLLUTION. 2002. CD-ROM. AMSTERDAM, NL.
OPTIMIZING PLACEMENT OF PRACTICES TO INTERCEPT NUTRIENTS IN A TILED-DRAINED AGRICULTURAL WATERSHED - (Abstract)
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

   
 
Last Modified: 11/09/2008
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