Projects

AGRICULTURAL LAND MANAGEMENT TO OPTIMIZE PRODUCTIVITY AND NATURAL RESOURCE CONSERVATION AT FARM AND WATERSHED SCALES Appropriated (D)   Accession Number: 422757

AN INTEGRATED AND MULTI-SCALE OBSERVATION FACILITY TO SUPPORT MONITORING AND FORECASTING OF GRASSLAND ECOSYSTEMS Nonfunded Cooperative Agreement (N)   Accession Number: 422717

INVESTIGATION OF EASTERN REDCEDAR INVASION; ECONOMIC UTILIZATION AND MANAGEMENT IN GRASSLAND ENVIRONMENTS Specific Cooperative Agreement (S)   Accession Number: 413487

INTEGRATED MONITORING AND SIMULATION OF HYDROLOGIC COMPONENTS AND SYSTEMS IN AGRICULTURAL LANDSCAPES Specific Cooperative Agreement (S)   Accession Number: 421296

DEVELOPING A MULTI-SCALE, MULTIPLE-OBJECTIVE OPTIMIZATION FRAMEWORK FOR UPPER WASHITA RIVER BASIN CEAP WATERSHEDS Specific Cooperative Agreement (S)   Accession Number: 422491

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Integration of energy balance ET and SWATmf models - (Abstract Only) - (11-Mar-13)

Characterization of high spatiotemporal rainfall events in the upper washita river basin - (Abstract Only) - (11-Mar-13)

Modeling multiple surface watersheds contributing to one aquifer using the SWATmf framework - (Abstract Only) - (26-Jan-13)

Spatial and temporal considerations for dissolved phosphorus in streams of the Fort Cobb watershed, USA - (Peer Reviewed Journal) - (25-Jan-13)

Response of Cross-biome Productivity to the Early 21st Century Drought - (Abstract Only)

Ponce Campos, G., Moran, M.S., Huete, A., Zhang, Y., Bresloff, C., Huxman, T., Bosch, D.D., Buda, A.R., Gunter, S.A., Kitchen, S., Mcnab, W., Mcclaran, M., Morgan, J.A., Peters, D.C., Sadler, E.J., Seyfried, M.S., Starks, P.J., Montoya, A.D., Heartsill Scalley, T., Eamus, D. 2012. Response of Cross-biome Productivity to the Early 21st Century Drought. [abstract]. American Geophysical Union Fall Meeting, San Francisco, CA. December 3 - 7,2012.

Long term agro-ecosystem research: The Southern Plains partnership - (Abstract Only) - (31-Oct-12)

Extreme precipitation patterns reduced terrestrial ecosystem production across biomass - (Peer Reviewed Journal)

Zhang, Y., Moran, M.S., Nearing, M.A., Ponce Campos, G., Huete, A., Bosch, D.D., Buda, A.R., Gunter, S.A., Kitchen, S., Mcnab, W., Mcclaran, M., Morgan, J.A., Peters, D.C., Starks, P.J., Sutherland Montoya, D. 2013. Extreme precipitation patterns reduced terrestrial ecosystem production across biomass. Journal of Geophysical Research-Biogeosciences. 118: 1-10.

Ecosystem resilience despite large-scale altered hydro climatic conditions - (Peer Reviewed Journal)

Ponce Campos, G., Zhang, Y., Huxman, T., Mcclaran, M., Moran, M.S., Bresloff, C., Huete, A., Eamus, D., Bosch, D.D., Buda, A.R., Gunter, S.A., Kitchen, S., Mcnab, W., Morgan, J.A., Peters, D.C., Sadler, E.J., Seyfried, M.S., Starks, P.J., Montoya, D., Scalley, T. 2013. Ecosystem resilience despite large-scale altered hydro climatic conditions. Nature. 494: 349-352.

A conceptual integrated modeling framework for groundwater management - (Abstract Only) - (28-Jun-12)

An integrated hydrologic modeling framework for coupling SWAT with MODFLOW - (Proceedings) - (27-Mar-12)

A fully integrated SWAT-MODFLOW hydrologic model - (Proceedings) - (17-Feb-12)

Smos Validation of Soil Moisture and Ocen Salinity (Smos) Soil Moisture over Watershed Networks in the U.S. - (Peer Reviewed Journal)

Jackson, T.J., Bindlish, R., Cosh, M.H., Zhao, T., Starks, P.J., Bosch, D.D., Moran, M.S., Seyfried, M.S., Kerr, Y., Leroux, D., Goodrich, D.C. 2012. SMOS validation of soil moisture and ocen salinity (SMOS) soil moisture over watershed networks in the U.S. IEEE Transactions on Geoscience and Remote Sensing. 50:1530-1543.

Land-cover analysis for the Fort Cobb reservoir watershed, southwestern Oklahoma, 2005 - (Other)

Starks, P.J., Rao, M., Siewe, S. 2011. Land-cover analysis for the Fort Cobb reservoir watershed, southwestern Oklahoma, 2005. In: Becker, C.J. (ed.). Assessment of Conservation Practices in the Fort Cobb Reservoir Watershed, Southwestern Oklahoma. USGS - Scientific Investigations Report. Available: http://pubs.usgs.gov/sir/2010/5257/.

Soils, crop production, and geology in the Fort Cobb reservoir watershed, southwestern Oklahoma - (Other)

Starks, P.J., Daniel, J.A., Moriasi, D.N. 2011. Soils, crop production, and geology in the Fort Cobb reservoir watershed, southwestern Oklahoma. In: Becker, C.J. (ed.). Assessment of Conservation Practices in the Fort Cobb Reservoir Watershed, Southwestern Oklahoma. USGS - Scientific Investigations Report. Available: http://pubs.usgs.gov/sir/2010/5257.

Farm-level economic impact of no-till farming in the Fort Cobb reservoir watershed - (Peer Reviewed Journal)

Osei, E., Moriasi, D.N., Steiner, J.L., Starks, P.J., Saleh, A. 2012. Farm-level economic impact of no-till farming in the Fort Cobb reservoir watershed. Journal of Soil and Water Conservation. 67(2):75-86.

Calibration and validation of the soil moisture active passive mission with USDA-ARS experimental watersheds - (Abstract Only)

Cosh, M.H., Jackson, T.J., Bosch, D.D., Heathman, G.C., Moran, M.S., Prueger, J.H., Starks, P.J. 2011. Calibration and validation of the soil moisture active passive mission with USDA-ARS experimental watersheds [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Abstract #243-7.

Impact of conservationpractices on soil quality indicators: case study in the Fort Cobb Reservoir watershed, Oklahoma - (Abstract Only)

Steiner, J.L., Starks, P.J., Moriasi, D.N., Stott, D.E., Zobeck, T.M., Karlen, D.L. 2011. Impact of conservation practices on soil quality indicators: case study in the Fort Cobb Reservoir watershed, Oklahoma [abstract]. ASA-CSSA-SSSA Annual Meeting, Fundamental for Life: Soil, Crop, & Environmental Sciences, Oct. 16-19, 2011, San Antonio, Texas. Available: http://a-c-s.confex.com/crops/2011am/webprogram/Paper64797.html.

Dissolved P in streams in dry years and wet years - (Proceedings)

Franklin, D.H., Steiner, J.L., Starks, P.J., Moriasi, D.N., Duke, S.E. 2011. Dissolved P in streams in dry years and wet years. Proceedings of the 2011 Georgia Water Resources Conference, April 11-13, 2011, University of Georgia, Athens, Georgia. CDROM.

Water quality in the Fort Cobb watershed, USA: spatial and temporal patterns of nirtrates in streams - (Abstract Only) - (14-Mar-11)

Water quality in the Fort Cobb Watershed, USA: Spatial and temporal patterns of dissolved P stream concentrations - (Abstract Only) - (10-Mar-11)

Water quality in the Fort Cobb watershed, USA: spatial and temporal patters of sediment concentration in streams - (Abstract Only)

Steiner, J.L., Franklin, D.H., Moriasi, D.N., Duke, S.E., Starks, P.J. 2011. Water quality in the Fort Cobb watershed, USA: spatial and temporal patters of sediment concentration in streams [abstract]. International Soil and Water Conservation Conference, July 17-20, 2011, Washington, D.C. Available on: www.swcs.org/en/conferences/2011_annual_conference/.

Bermudagrass intake and efficiency of utilization in Katahdin, Suffolk, and reciprocal-cross lambs - (Peer Reviewed Journal)

Brown, M.A., Starks, P.J., Gao, F.Q., Wang, X.Z., Wu, J.P. 2012. Bermudagrass intake and efficiency of utilization in Katahdin, Suffolk, and reciprocal-cross lambs. Professional Animal Scientist. 28:358-363.

Convergence of Dynamic Vegetation Net Productivity Responses to Precipitation Variability from 10 Years of MODIS EVI - (Proceedings)

Ponce, G., Moran, M.S., Huete, A., Bresloff, C., Huxman, T., Bosch, D.D., Bradford, J., Buda, A.R., Gunter, S.A., Mcnab, H., Mcclaran, M., Peters, D.C., Sadler, E.J., Seyfried, M.S., Starks, P.J., Sutherland Montoya, D., Heartsill, T. 2011. Convergence of Dynamic Vegetation Net Productivity Responses to Precipitation Variability from 10 Years of MODIS EVI. ISRSE 2011, 34th International Symposium on Remote Sensing of Environment, Sydney Convention and Exhibition Centre, 10-15 April 2011.

Improving hydrologic predictions of a catchment model via assimilation of surface soil moisture - (Peer Reviewed Journal)

Chen, F., Crow, W.T., Starks, P.J., Moriasi, D.N. 2011. Improving hydrologic predictions of a catchment model via assimilation of surface soil moisture. Advances in Water Resources. 34:526-536.

Estimating eastern redcedar (Juniperus virginiana L.) biomass using satellite imagery - (Peer Reviewed Journal)

Starks, P.J., Venuto, B.C., Eckroat, J.A. 2011. Estimating eastern redcedar (Juniperus virginiana L.) biomass using satellite imagery. Rangeland Ecology and Management. 64(2):178-186.

Modis Evi As a Surrogate for Net Primary Production Across Precipitation Regimes - (Abstract Only)

Ponce, G., Bresloff, C., Huete, S., Moran, M.S., Huxman, T., Bosch, D.D., Bradford, J., Buda, A.R., Gunter, S.A., Mcnab, H., Mcclaran, M., Peters, D.C., Sadler, E.J., Seyfried, M.S., Starks, P.J., Sutherland Montoya, D. 2010. MODIS EVI as a Surrogate for Net Primary Production across Precipitation Regimes. Research Insights in Semiarid Ecosystems Symposium. University of Arizona, Tucson, AZ., October 2, 2010.

Assimilating Remotely Sensed Surface Soil Moisture into SWAT using Ensemble Kalman Filter - (Proceedings)

Chen, F., Crow, W.T., Starks, P.J., Moriasi, D.N. 2010. Assimilating remotely sensed surface soil moisture into SWAT using Ensemble Kalman Filter. In: Proceedings of the Watershed Management Conference, August 23-27, 2010, Madison, Wisconsin. 2010 CDROM.

Farm-level economic impact of no-till farming in western Oklahoma - (Abstract Only)

Osei, E., Moriasi, D.N., Steiner, J.L., Starks, P.J., Saleh, A. 2010. Farm-level economic impact of no-till farming in western Oklahoma [abstract]. International Soil and Water Conservation Conference, July 18-21, 2010, St. Louis, MO. Abstract No. 40. Avaliable on-line: http://www.swcs.org/documents/filelibrary/10ac/2010_Poster_Presentations_A6A1159DF0990.pdf

Validation of Advanced Microwave Scanning Radiometer Soil Moisture Products - (Peer Reviewed Journal)

Jackson, T.J., Cosh, M.H., Bindlish, R., Starks, P.J., Bosch, D.D., Seyfried, M.S., Goodrich, D.C., Moran, M.S. 2010. Validation of advanced microwave scanning radiometer soil moisture products. IEEE Transactions on Geoscience and Remote Sensing. 48:4256-4272.

Prediction of forage quality from remotely sensed data: comparison of cultivar-specific and cultivar-independent equations using three methods of calibration - (Peer Reviewed Journal)

Starks, P.J., Brown, M.A. 2010. Prediction of forage quality from remotely sensed data: comparison of cultivar-specific and cultivar-independent equations using three methods of calibration. Crop Science. 50:2159-2170.

Effects of soil and precipitation dataset resolution on SWAT2005 sediment and total phosphorus simulation accuracy and outputs - (Abstract Only) - (21-Dec-09)

Rapid Analysis of Nonstructural Carbohydrate Components in Grass Forage Using Microplate Enzymatic Assays - (Peer Reviewed Journal)

Zhao, D., Mackown, C.T., Starks, P.J., Kindiger, B.K. 2010. Rapid analysis of nonstructural carbohydrate components in grass forage using microplate enzymatic assays. Crop Science. 50:1537-1545.

Farm-level economic impact of no-till farming in western Oklahoma - (Other)

Osei, E., Moriasi, D.N., Steiner, J.L., Starks, P.J. 2009. Farm-level economic impact of no-till farming in western Oklahoma. Grazinglands Research Laboratory Miscellaneous Publication. 1 p.

Effects of the resolution of soil dataset and precipitation dataset on SWAT2005 streamflow calibration parameters and simulation accuracy - (Peer Reviewed Journal)

Moriasi, D.N., Starks, P.J. 2010. Effects of the resolution of soil dataset and precipitation dataset on SWAT2005 streamflow calibration parameters and simulation accuracy. Journal of Soil and Water Conservation Society. 65(2):63-78.

Sediment loading and controls in the grasslands of the Great Plains - (Abstract Only)

Garbrecht, J.D., Starks, P.J. 2009. Sediment loading and controls in the grasslands of the Great Plains [abstract]. Soil and Water Conservation Society Proceedings, From Dust Bowl to Mud Bowl, Conservation measures and the Future of Reservoirs, September 14-16, 2009, Kansas City, MO. p. 31. Available on-line: http://www.swcs.org/documents/filelibrary/sedimentation/Sediment_Program_FINAL_web_A40C2200C17B7.pdf

Spatial resolution effect of precipitation data on SWAT calibration and performance: implications for CEAP - (Peer Reviewed Journal)

Starks, P.J., Moriasi, D.N. 2009. Spatial resolution effect of precipitation data on SWAT calibration and performance: Implications for CEAP. Transactions of the ASABE. 52(4):1171-1180.

Watershed sediment yield reduction through soil conservation in a west-central Oklahoma watershed - (Peer Reviewed Journal)

Garbrecht, J.D., Starks, P.J. 2009. Watershed sediment yield reduction through soil conservation in a west-central Oklahoma watershed. Journal of Ecohydrology. 2(3):313-320.

Farm-level economic impact of no-till farming in western Oklahoma - (Abstract Only)

Osei, E., Moriasi, D.N., Steiner, J.L., Starks, P.J., Saleh, A. 2009. Farm-level economic impact of no-till farming in western Oklahoma[abstract]. No Till on the Plains Annual Meeting. Available: http://www.dasnr.okstate.edu/notill/2009-presentations.

History of the USDA-ARS Watershed, Water Resources and Climate Research at Chickasha, Durant, and El Reno, Oklahoma - (Other)

Garbrecht, J.D., Starks, P.J., Ross, J.D. 2008. History of the USDA-ARS Watershed, Water Resources and Climate Research at Chickasha, Durant, and El Reno, Oklahoma. Grazinglands Research Laboratory Miscellaneous Publication, Grazinglands Research Laboratory, A Historical Perspective. p. 8-14.

Using SWAT model to quantify the impact of converting cropland to bermuda grass on soil loss and water quality in cobb creek sub-watershed - (Abstract Only)

Moriasi, D.N., Starks, P.J., Steiner, J.L. 2008. Using SWAT model to quantify the impact of converting cropland to bermuda grass on soil loss and water quality in cobb creek sub-watershed [abstract]. Soil and Water Conservation Society, Farming with Grass Conference, October 20-22, 2008, Oklahoma City, Oklahoma. Available: http://www.swcs.org.en.conferences/farming_with_grass/farming_with_grass_poster_presentations/.

Estimating bioenergy feedstock potential of red cedar in western Oklahoma - (Abstract Only)

Venuto, B.C., Daniel, J.A., Starks, P.J., Lucas, T. 2008. Estimating bioenergy feedstock potential of red cedar in western Oklahoma. Soil and Water Conservation Society Proceedings, Farming with Grass: Achieving Sustainable Mixed Agricultural Landscapes, October 20-22, 2008, Oklahoma City, OK. Available on-line: http://www.swcs.org/en/publications/farming_with_grass/

Sediment reduction due to conservation practices at the watershed scale - (Abstract Only)

Garbrecht, J.D., Starks, P.J., Moriasi, D.N. 2008. Sediment reduction due to conservation practices at the watershed scale [abstract]. National Sedimentaton Laboratory (NSL)- 50 Years of Soil & Water Research in a Changing Agricultural Environment, September 3-5, 2008, Oxford, Mississippi. 2008 CD-ROM.

Conservation and sediment yield on the Fort Cobb reservoir watershed - (Proceedings)

Garbrecht, J.D., Starks, P.J., Moriasi, D.N. 2009. Conservation and sediment yield on the Fort Cobb reservoir watershed. National Sedimentaton Laboratory (NSL)- 50 Years of Soil & Water Research in a Changing Agricultural Environment, Sept. 3-5, 2008, Oxford, MS. 2009 CD-ROM.

Conservation and sediment yield on the Fort Cobb reservoir watershed - (Proceedings)

Garbrecht, J.D., Starks, P.J., Moriasi, D.N. 2011. Conservation and sediment yield on the Fort Cobb reservoir watershed. National Sedimentation Laboratory (NSL)- 50 Years of Soil & Water Research in a Changing Agricultural Environment, September 3-5, 2008, Oxford, Mississippi. p. 730-740. 2008 CD-ROM.

A Thermal-Based remote sensing technique for routine mapping of land-surface carbon, water and energy fluxes from field to regional scales. - (Peer Reviewed Journal)

Anderson, M.C., Norman, J.M., Kustas, W.P., Houborg, R., Starks, P.J., Agam, N. 2008. A thermal-based remote sensing technique for routine mapping of land-surface carbon, water and energy fluxes from field to regional scales. Remote Sensing Environment. 112:4227-4241.

Quantifying Relative Contributions from Sediment Sources in Conservation Effects Assessment Project Watersheds - (Peer Reviewed Journal)

Wilson, C.G., Kuhnle, R.A., Bosch, D.D., Steiner, J.L., Starks, P.J., Tomer, M.D., Wilson, G.V. 2008. Quantifying Relative Contributions from Sediment Sources in Conservation Effects Assessment Project Watersheds. Journal of Soil and Water Conservation. 63(6):523-532.

Do upland conservation measures reduce watershed sediment yield? - (Proceedings)

Garbrecht, J.D., Starks, P.J. 2008. Do upland conservation measures reduce watershed sediment yield? Proceedings of the Environmental and Water Resources Institute World Congress, May 17-21, 2008, Kansas City, Missouri. 2008 CD-ROM.

Estimation of bermudagrass forage intake from canopy spectral absorbance measurements using hyperspectral radiometry - (Proceedings)

Gao, F.Q., Brown, M.A., Wang, X.Z., Starks, P.J., Wu, J.P. 2008. Estimation of bermudagrass forage intake from canopy spectral absorbance measurements using hyperspectral radiometry. In: Proceedings of the International Grasslands Congress, Multifunctional Grasslands in a Changing World, June 27 - July 5, 2008, Hohhot, Inner Mongolla, China. 1:407. Available on-line: http://www.rangelandcongress.com/ChinaCongress.htm

Environmental effects of agricultural conservation: A framework for research in two watersheds in Oklahoma's Upper Washita River Basin - (Peer Reviewed Journal)

Steiner, J.L., Starks, P.J., Daniel, J.A., Garbrecht, J.D., Moriasi, D.N., Mcintyre, S.C., Chen, J. 2008. Environmental effects of agricultural conservation: A framework for research in two watersheds in Oklahoma's Upper Washita River Basin. Journal of Soil and Water Conservation. 63(6):443-452.

Estimation of nitrogen concentration and in vitro dry matter digestibility of herbage of warm-season grass pastures from canopy hyperspectral reflectance measurements - (Peer Reviewed Journal)

Starks, P.J., Zhao, D., Brown, M.A. 2008. Estimation of nitrogen concentration and in vitro dry matter digestibility of herbage of warm-season grass pastures from canopy hyperspectral reflectance measurements. Grass and Forage Science. 63:168-178.

Interspecies variation of forage nutritive value and nonstructural carbohydrates in perennial cool-season grasses - (Peer Reviewed Journal)

Zhao, D., Mackown, C.T., Starks, P.J., Kindiger, B.K. 2008. Interspecies variation of forage nutritive value and nonstructural carbohydrates in perennial cool-season grasses. Agronomy Journal. 100:837-844.

Appropriate scale of soil moisture retrieval from high-resolution radar imagery for bare and minimally vegetated soils 1859 - (Peer Reviewed Journal)

Thoma, D., Moran, M.S., Bryant, R., Rahman, M., Holifield Collins, C.D., Keefer, T.O., Noriega, R., Osman, I., Skirvin, S., Tischler, M., Bosch, D.D., Starks, P.J., Peters-Lidard, C. 2008. Appropriate scale of soil moisture retrieval from high-resolution radar imagery for bare and minimally vegetated soils. Remote Sensing of Environment. 112:403-414.

Remote sensing of forage quality: prediction and application to Southern Plains grazing systems - (Abstract Only)

Starks, P.J., Phillips, W.A., Brown, M.A., Coleman, S.W., Zhao, D. 2008. Remote sensing of forage quality: prediction and application to Southern Plains grazing systems. ASA-CSSA-SSSA Annual Meeting Abstracts. CD-ROM.

Different Methods of Estimating Crude Protein Concentration of Bermudagrass Pastures for Stocker Calf Production - (Peer Reviewed Journal)

Phillips, W.A., Starks, P.J., Glasgow, S., Coleman, S.W. 2007. Different methods of estimating crude protein concentration of bermudagrass pastures for stocker calf production. Professional Animal Scientist. 23:696-701.

History of the USDA-ARS Experimental Watersheds on the Washita River, Oklahoma. - (Book / Chapter)

Garbrecht, J.D., Starks, P.J., Steiner, J.L. 2007. History of the USDA-ARS experimental watersheds on the Washita River, Oklahoma. In: Rogers, J.R., editor. Milestones in Engineering History. Reston, VA:American Society of Civil Engineers. p. 94-106.

Unit source area data: Can it make a difference in calibrating the hydrolgoic response for watershed scale modeling? - (Peer Reviewed Journal)

Van Liew, M.W., Green, C.H., Starks, P.J. 2007. Unit source area data: Can it make a difference in calibrating the hydrolgoic response for watershed scale modeling? Journal of Soil and Water Conservation. 62(3):162-170.

Environmental effects of agricultural conservation within the Fort Cobb, OK, Reservoir watershed. - (Abstract Only)

Steiner, J.L., Starks, P.J., Daniel, J.A., Moriasi, D.N., Garbrecht, J.D. 2007. Environmental effects of agricultural conservation within the Fort Cobb, OK, Reservoir watershed. [Abstract] In: Proceedings of the Water and the Future of Kansas Conference, From Dust Bowl to Mud Bowl: The Threat of Sedimentation to Our Federal Reservoirs, March 15-16, 2007, Topeka, Kansas. p. 5.

Assessment of Forage Biomass and Quality Parameters of Bermuda Grass Using Proximal Sensing of Pasture Canopy Reflectance - (Peer Reviewed Journal)

Zhao, D., Starks, P.J., Brown, M.A., Phillips, W.A., Coleman, S.W. 2007. Assessment of forage biomass and quality parameters of bermuda grass using proximal sensing of pasture canopy reflectance. Grassland Science. 53:39-49.

Estimation of Forage Nitrogen Concentration and in Vitro Dry Matter Digestibility of Grass Pastures Using Plant Canopy Hyperspectral Reflectance - (Abstract Only)

Starks, P.J., Zhao, D., Brown, M.A., Coleman, S.W. 2006. Estimation of forage nitrogen concentration and in vitro dry matter digestibility of grass pastures using plant canopy hyperspectral reflectance [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts, November 12-16, 2006, Indianapolis, IN. p. 266.

Interspecies Variation of Nonstructural Carbohydrates and Canopy Hyperspectral Reflectance in Perennial Cool Season Grasses - (Abstract Only)

Zhao, D., Starks, P.J., Kindiger, B.K., Mackown, C.T. 2006. Interspecies variation of nonstructural carbohydrates and canopy hyperspectral reflectance in perennial cool season grasses [abstract]. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting, November 12-16, 2006, Indianapolis, IN. p.251.

Impacts of Decadal Precipitation Variations on Watershed Sediment Yield and Implications for the COnservation Effects Assessment Project - (Abstract Only)

Garbrecht, J.D., Starks, P.J., Steiner, J.L., Schneider, J.M. 2006. Impacts of decadal precipitation variations on watershed sediment yield and implications for the conservation effects assessment project[abstract]. Soil and Water Conservation Society Proceedings. p. 40.

Soil Water Trends During the 2005 - 2006 Drought in Oklahoma - (Abstract Only)

Garbrecht, J.D., Brown, G.O., Steiner, J.L., Schneider, J.M., Starks, P.J. 2006. Soil Water Trends During the 2005 - 2006 Drought in Oklahoma. Oklahoma Water Conference, Oklahoma State University, October 5-6, 2006, Oklahoma City, Oklahoma. Available: http://environ.okstate.edu/okwater/index.asp

The under-Appreciated Climate Factor in the Conservation Effects Assessment Project - (Peer Reviewed Journal)

Garbrecht, J.D., Starks, P.J., Steiner, J.L. 2006. The under-appreciated climate factor in the conservation effects assessment project. Journal of Soil and Water Conservation. 61(4):110A-112A.

Measuring Surface Roughness Height to Parameterize Radar Backscatter Models for Retrieval of Surface Soil Moisture 1704 - (Peer Reviewed Journal)

Bryant, R., Moran, M.S., Thoma, D., Holifield Collins, C.D., Skirvin, S.M., Rahman, M., Slocum, K., Starks, P.J., Bosch, D.D., Gonzalez-Dugo, M.P. 2007. Measuring surface roughness height to parameterize radar backscatter models for retrieval of surface soil moisture. IEEE Geosci. and Rem. Sens. Letters 4(1): 137-141.

Validation of Amsr-E Soil Moisture Products Using Watershed Networks - (Proceedings)

Jackson, T.J., Cosh, M.H., Zhan, X., Bosch, D.D., Seyfried, M.S., Starks, P.J., Keefer, T.O., Lakshmi, V. 2006. Validation of AMSR-E soil moisture products using watershed networks. In: Proceedings of the International Geoscience and Remote Sensing Symposium, July 31-August 4, 2006, Denver, Colorado. p. 432-435.

Herbage Mass, Nutritive Quality, and Canopy Spectral Reflectance of Bermudagrass Pastures. - (Peer Reviewed Journal)

Starks, P.J., Zhao, D., Phillips, W.A., Coleman, S.W. 2006. Herbage mass, nutritive quality, and canopy spectral reflectance of bermudagrass pastures. Grass and Forage Science. 61:101-111.

Development of Canopy Refletance Algorithms for Real-Time Prediction of Bermudagrass Pasture, Biomass and Nutritive Values. - (Peer Reviewed Journal)

Starks, P.J., Zhao, D., Phillips, W.A., Coleman, S.W. 2006. Development of canopy refletance algorithms for real-time prediction of bermudagrass pasture, biomass and nutritive values. Crop Science. 46:927-934.

Upper Washita River Ceap Activities: the Fort Cobb Reservoir/little Washita River Watershed Study - (Proceedings)

Starks, P.J., Van Liew, M.W., Daniel, J.A., Steiner, J.L. 2005. Upper Washita River CEAP activities: The Fort Cobb Reservoir/Little Washita River Watershed Study. Proceedings of the 2005 Oklahoma Water Conference. Oklahoma Water Resources Research Institute. September 27-28, 2005, Oklahoma State University, Stillwater, Oklahoma. Paper No. 12.

Productivity and Forage Quality of Warm Season Grass Pastures in Relation to Canopy Reflectance in Aster Wavebands - (Proceedings)

Starks, P.J., Zhao, D., Phillips, W.A., Brown, M.A., Coleman, S.W. 2005. Productivity and forage quality of warm season grass pastures in relation to canopy reflectance in aster wavebands. 20th Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment, October 4-6, 2005, Weslaco, Texas. 2005 CDROM.

Temporal Stability of Profile Soil Moisture - (Peer Reviewed Journal)

Starks, P.J., Heathman, G.C., Jackson, T.J., Cosh, M.H. 2006. Temporal stability of profile soil moisture. Journal of Hydrology. 324:400-411.

Temporal Stability of Surface Soil Moisture in the Little Washita River Watershed and Its Applications in Satellite Soil Moisture Product Validation. - (Peer Reviewed Journal)

Cosh, M.H., Jackson, T.J., Starks, P.J., Heathman, G. 2006. Temporal stability of surface soil moisture in the Little Washita River Watershed and its applications in satellite soil moisture product validation. Journal of Hydrology. 323(1-4):168-177.

Productivity and Forage Quality of Warm Season Grass Pastures in Relation to Canopy Reflectance in Aster Wavebands - (Abstract Only)

Starks, P.J., Zhao, D., Phillips, W.A., Brown, M.A., Coleman, S.W. 2005. Productivity and forage quality of warm season grass pastures in relation to canopy reflectance in aster wavebands [abstract]. American Society for Photogrammetry and Remote Sensing. p. 14.

Relationships Between Forage Quality and Canopy Reflectance of Warm Season Grass Pastures - (Abstract Only)

Zhao, D., Starks, P.J., Brown, M.A., Phillips, W.A., Coleman, S.W. 2005. Relationships between forage quality and canopy reflectance of warm season grass pastures [abstract]. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting. Paper No. 162-7.

Assessments of Cotton and Forage Plant Nitrogen Status Using Remote Sensing - (Proceedings)

Zhao, D., Reddy, K.R., Starks, P.J. 2005. Assessments of cotton and forage plant nitrogen status using remote sensing. International Conference on Plant Nutrition. p. 1104-1105.

Polarimetric Scanning Radiometer C and X-Band Microwave Observations During Smex03. - (Peer Reviewed Journal)

Jackson, T.J., Bindlish, R., Gasiewski, A.J., Stankov, B., Klein, M., Njoku, E.G., Bosch, D., Coleman, T.L., Laymon, C., Starks, P. 2005. Polarimetric Scanning Radiometer C and X band microwave observations during SMEX03. IEEE Transactions on Geoscience and Remote Sensing. 43:2418-2430.

Remote Sensing of Crude Protein in Bermudagrass Pastures During the Summer Grazing Season. - (Abstract Only)

Starks, P.J., Phillips, W.A., Coleman, S.W. 2005. Remote sensing of crude protein in bermudagrass pastures during the summer grazing season [abstract]. In: Proceedings of American Society of Animal Science, Southern Section Meeting. Symposium on Tropically Adapted Breeds - Regional Project S-10-13, February 5-9, 2005, Little Rock, Arkansas. p. 7.

The USDA Conservation Effects Assessment Project: Research in the Fort Cobb Reservoir Watershed - (Proceedings)

Steiner, J.L., Starks, P.J., Van Liew, M.W., Daniel, J.A., Ramming, M., Phillips, S., Matlock, K., Freeland, R., Adams, J. 2004. The USDA Conservation Effects Assessment Project: Research in the Fort Cobb Reservoir Watershed. In: Proceedings of the Oklahoma Water 2004 Conference, November 18-19, 2004, Stillwater, Oklahoma. 2003&2004 CDROM.

Strategic Feed Supplementation Via Remote Sensing - (Abstract Only)

Starks, P.J., Phillips, W.A., Coleman, S.W. 2005. Strategic feed supplementation via remote sensing [abstract]. Society for Range Management, 58th Annual Meeting and Trade Show, February 5-11, 2005, Fort Worth, Texas. 2005 CDROM.

Polarimetric Scanning Radiometer C and X Band Microwave Observations During Smex03 - (Proceedings)

Jackson, T.J., Bindlish, R., Gasiewski, A., Stankov, B., Klein, M., Njoku, E., Bosch, D.D., Coleman, J., Laymon, C., Starks, J.P. 2004. Polarimetric scanning radiometer C and X band microwave observations during SMEX03. In: Proceedings of the International Geoscience and Remote Sensing Symposium, September 20-24, 2004, Anchorage, Alaska. II:321-324.

Temporal Stability of the Little Washita Watershed Soil Moisture Micronet - (Abstract Only)

Cosh, M.H., Jackson, T.J., Starks, P.J., Heathman, G.C. 2004. Temporal stability of the Little Washita watershed soil moisture micronet. Abs.35, BARC Poster Day.

Determination of Forage Chemical Composition Using Remote Sensing - (Peer Reviewed Journal)

Starks, P.J., Coleman, S.W., Phillips, W.A. 2004. Determination of forage chemical composition using remote sensing. Journal of Range Management. 57(6):635-640.

Rangeland Monitoring and Prediction at Ranch to Regional Scales 1614 - (Proceedings)

Moran, M.S., Thoma, D., Hernandez, M., Heilman, P., Stone, J.J., Starks, P.J., Arnold, J.G., Kiniry, J.R., Richardson, C.W., Rango, A., Herrick, J.E., Peters, D.C., Havstad, K.M. 2004. Rangeland monitoring and prediction at ranch to regional scales. Proceedings Society for Range Management Meeting, Jan. 23-30, 2004. Salt Lake City, UT. p. 1.

Satellite Soil Moisture Validation Using in Situ Point Sources in the Southern Great Plains During Smex03 - (Abstract Only)

Cosh, M.H., Jackson, T.J., Starks, P.J., Heathman, G.C., Bindlish, R. 2003.Satellite soil moisture validation using in situ point sources in the southern great plains during SMEX03 [abstract]. EOS Transactions. 84(46):618.

Inferring Root Zone Soil Water Content by Assimilating Remotely Sensed Data into a Soil Water Model - (Proceedings)

STARKS, P.J., JACKSON, T.J. INFERRING ROOT ZONE SOIL WATER CONTENT BY ASSIMILATING REMOTELY SENSED DATA INTO A SOIL WATER MODEL. PROCEEDINGS OF THE FIRST INTERAGENCY CONFERENCE ON RESEARCH IN THE WATERSHEDS. 2003. p. 522-527.

The USDA-ARS Little Washita River Experimental Watershed - (Proceedings)

Van Liew, M.W., Starks, P.J., Daniel, J.A., Steiner, J.L. 2003. The USDA-ARS Little Washita River Experimental Watershed. In: Proceedings of the First Interagency Conference on Research in the Watersheds, October 27-30, 2003, Benson, AZ. p. 50-55.

Use of Hyperspectral Radiometry in Prediction of Lamb Growth on Bermuda Grass Pastures. - (Abstract Only)

Phillips, A.P., Brown, M.A., Starks, P.J., Dawkins, D., Biles, C. 2003. Use of hyperspectral radiometry in prediction of lamb growth on bermuda grass pastures. Research Day Abstracts: Regional Universities Research Day. Abstract No. S-319. p. 99.

Determining Forage Quality in Situ Using Remote Sensing - (Abstract Only)

Starks, P.J., Coleman, S.W., Phillips, W.A., Brown, M.A., Steiner, J.L. 2003. Determining forage quality in situ using remote sensing [abstract]. American Society of Agronomy. Paper No. C06-starks123664-poster.

Mapping Near-Surface Soil Moisture on Regional Scale Using Ers-2 Sar Data - (Peer Reviewed Journal)

Oldak, A., Jackson, T.J., Starks, P., Elliott, R. 2003. Mapping near-surface soil moisture on regional scale using ERS-2 SAR data. International Journal of Remote Sensing. 24(22):4579-4598.

Modeling the Spatial and Temporal Distribution of Soil Moisture at Watershed Scales Using Remote Sensing and GIS - (Book / Chapter)

STARKS, P.J., ROSS, J.D., HEATHMAN, G.C. MODELING THE SPATIAL AND TEMPORAL DISTRIBUTION OF SOIL MOISTURE AT WATERSHED SCALES USING REMOTE SENSING AND GIS. AMERICAN SOCIETY FOR TESTING AND MATERIALS. 2003. p. 58-74.

Assimilation of Surface Soil Moisture to Estimate Profile Soil Water Content: a Field and Modeling Experiment - (Peer Reviewed Journal)

Heathman, G.C., Starks, P.J., Ahuja, L.R., Jackson, T.J. 2003. Assimilation of surface soil moisture to estimate profile soil water content. Journal of Hydrology. 279:1-17.

Test of Equation Robustness to Predict Forage Quality from Remotely Sensed Data - (Abstract Only)

STARKS, P.J., BROWN, M.A., APPEDDU, L.A. TEST OF EQUATION ROBUSTNESS TO PREDICT FORAGE QUALITY FROM REMOTELY SENSED DATA. SOCIETY FOR RANGE MANAGEMENT MEETING ABSTRACTS. 2003. v. 56. p. 106.

Sensor Development and Radiometric Correction for Agricultural Application (Ars 115 Is Being Submitted to Add Authors - See Log #128878 for Additional Authors. These Authors Are Actually #s 11 Thru 20) 1403 - (Peer Reviewed Journal)

HAVSTAD, K.M., JACKSON, T.J., KITCHEN, N.R., KUSTAS, W.P., MCGUIRE, M.R., PINTER JR, P.J., SUDDUTH, K.A., SCHEPERS, J.S., SCHMUGGE, T.J., STARKS, P.J. SENSOR DEVELOPMENT AND RADIOMETRIC CORRECTION FOR AGRICULTURAL APPLICATION (ARS 115 IS BEING SUBMITTED TO ADD AUTHORS - SEE LOG #128878 FOR ADDITIONAL AUTHORS. THESE AUTHORS ARE ACTUALLY #S 11 THRU 20) JOURNAL OF PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING. v.69(6). p. 705-718.

Use of Spectral Reflectanc Measures from Hyperspectral Radiometry in Prediction of Lamb Gains on Bermudagrass Pastures - (Abstract Only)

BROWN, M.A., STARKS, P.J., APPEDDU, L.A. 2003. Use of spectral reflectanc measures from hyperspectral radiometry in prediction of lamb gains on Bermudagrass pastures [abstract]. American Society of Animal Science Southern Section Meeting. v. 81(Suppl.2): Abstract p. 26.

The Little Washita River Experimental Watershed - (Other)

VAN LIEW, M.W., STARKS, P.J., DANIEL, J.A., STEINER, J.L. THE LITTLE WASHITA RIVER EXPERIMENTAL WATERSHED. AVAILABLE FROM: http://www.swcs.org/t_what_2002conffollowup.htm SOIL AND WATER CONSERVATION SOCIETY [2002].

Remote Sensing and in Situ Determination of Forage Quality - (Proceedings)

Starks, P.J., Coleman, S.W., Phillips, W.A. 2002. Remote sensing and in situ determination of forage quality. Oklahoma Grazinglands Conservation Association Conference. Paper No. 7.

Effect of Sampling Method on Estimates of Forage Quality and Digestibility. - (Abstract Only)

DILWORTH, C., APPEDU, L., BROWN, M.A., STARKS, P.J., PERKINS, A., DAWKINS, D., BILES, C. EFFECT OF SAMPLING METHOD ON ESTIMATES OF FORAGE QUALITY AND DIGESTIBILITY. RESEARCH DAY ABSTRACTS: REGIONAL UNIVERSITIES RESEARCH DAY. 2002. Abstract p. 73.

Use of Spectral Reflectance Measurements from Hyperspectral Radiometry in Prediction of Animal Gains on Pasture - (Abstract Only)

PERKINS, A., BROWN, M.A., STARKS, P.J., APPEDU, L., DILWORTH, C., DAWKINS, D., BILES, C. USE OF SPECTRAL REFLECTANCE MEASUREMENTS FROM HYPERSPECTRAL RADIOMETRY IN PREDICTION OF ANIMAL GAINS ON PASTURE. RESEARCH DAY ABSTRACTS: REGIONAL UNIVERSITIES RESEARCH DAY. 2002. Abstract p. 82.

Use of Limited Soil Property Data and Modeling to Estimate Root Zone Soil Water Content. - (Peer Reviewed Journal)

STARKS, P.J., HEATHMAN, G.C., AHUJA, L.R., MA, L. USE OF LIMITED SOIL PROPERTY DATA AND MODELING TO ESTIMATE ROOT ZONE SOIL WATER CONTENT.. JOURNAL OF HYDROLOGY. 2003. v. 272 p. 131-147.

Tdr Field Calibration in the Little Washita River Experimental Watershed - (Peer Reviewed Journal)

HEATHMAN, G.C., STARKS, P.J., BROWN, M.A. TDR FIELD CALIBRATION IN THE LITTLE WASHITA RIVER EXPERIMENTAL WATERSHED. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. 2003. v. 67. no. 1.

Hyperspectral in Situ Determination of Forage Quality - (Abstract Only)

STARKS, P.J., ROSS, J.D., COLEMAN, S.W., PHILLIPS, W.A. HYPERSPECTRAL IN SITU DETERMINATION OF FORAGE QUALITY. SOCIETY FOR RANGE MANAGEMENT MEETING ABSTRACTS. 2002. p. 51-52.

Temporal Variations in Streamflow for Four ARS Experimental Watersheds - (Other) - (07-Jan-02)

Estimating Soil Water Content in Tallgrass Prairie Using Remote Sensing - (Peer Reviewed Journal) - (30-Dec-01)

Extended Validation of Amsr-E Soil Moisture Products - (Abstract Only)

JACKSON, T.J., BOSCH, D.D., GOODRICH, D.C., SEYFRIED, M.S., STARKS, P.J., LAKSHMI, V. EXTENDED VALIDATION OF AMSR-E SOIL MOISTURE PRODUCTS. EOS TRANS OF THE AMERICAN GEOPHYSICAL UNION. 2001. V. 82(27), P. F449.

Mapping Soil Moisture in the Southern Great Plains Using Ers-2 Sar Data - (Proceedings) - (26-Aug-01)

Selection, Development, and Use of GIS Coverages for the Little Washita River Research Watershed - (Book / Chapter)

STARKS, P.J., GARBRECHT, J.D., SCHIEBE, F.R., SALISBURY, J.M., WAITS, D.A. SELECTION, DEVELOPMENT, AND USE OF GIS COVERAGES FOR THE LITTLE WASHITA RIVER RESEARCH WATERSHED. LYON, JOHN G., EDITOR. NEW YORK, NY: TAYLOR & FRANCIS; CHAPTER 7. 2003. p. 69-75. GIS FOR WATER RESOURCES AND WATERSHED MANAGEMENT.

Modeling the Spatial and Temporal Distribution of Soil Water Content at Watershed Scales Using Remote Sensing and GIS - (Abstract Only) - (25-Jan-01)

The ARS Little Washita River Experimental Watershed - (Abstract Only) - (01-Oct-00)

High Spatial Reosultion Mapping of Surface Energy Balance Components with Remotely Sensed Data - (Book / Chapter) - (10-Sep-00)

Correcting Eddy-Covariance Flux Underestimates over a Grassland - (Peer Reviewed Journal) - (13-Jun-00)

Evaluation of a Two-Layer Model for Use in Remote Sensing Studies of Soil Water Content - (Abstract Only) - (16-May-00)

The Little Washita River Experimental Watershed: Micronet and Shawms Measurement Networks - (Abstract Only) - (16-May-00)

Modeling Soil Moisture and Surface Flux Variability with An Untuned Land Surface Scheme: a Case Study from the Southern Great Plains 1997 Hydrology Experiment - (Peer Reviewed Journal) - (01-Apr-00)

Remote Sensing and Estimation of Root Zone Water Content - (Proceedings) - (07-Jan-00)

Soil Moisture Mapping at Regional Scales Using Microwave Radiometry the Southern Great Plains Hydrology Experiment - (Peer Reviewed Journal) - (24-May-99)

Comparison of Doe Arm/cart Swats, Usda/ars Shawms, and Other in Situ Soil Moisture Measurements During Sgp'97 - (Proceedings) - (10-Jan-99)

Spatial and Temporal Variations in Energy Flux Partitioning at the El Reno Site During Sgp 'p7 - (Abstract Only) - (11-Dec-98)

Evaluating Latent and Sensible Heat Flux Densities Using Eddy Covariance and Bowen-Ratio Techniques over Native Pasture Rangeland During Sgp 97 - (Abstract Only) - (11-Dec-98)

Calibration of Soil Heat Dissipation Sensors for Monitoring Soil Water Content - (Abstract Only) - (18-Oct-98)

Precision of Regression Based Pedo-Transfer Functions Evaluated by Repeatedsampling - (Abstract Only) - (18-Oct-98)

Consistency of Micrometeorological Measurements of Surface Energy Fluxes. - (Abstract Only) - (18-Oct-98)

Estimation of Surface Energy Fluxes at Field Scale Using Local Versus Mixedlayer Atmospheric Variables with Radiometric Temperature Observations - (Peer Reviewed Journal) - (22-Jul-98)

Simulation of Climate Change Impact on Winter Wheat Production in Central Oklahoma - (Other)

WILLIAMS, R.D., DANIEL, J.A., STARKS, P.J., GARBRECHT, J.D. 1998. SIMULATION OF CLIMATE CHANGE IMPACT ON WINTER WHEAT PRODUCTION IN CENTRAL OKLAHOMA. AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS MEETINGS PAPERS. Paper No. 98-2187. P. 7.

Characterization and Implications of Inter-Annual Precipitation Variabilityfor Central Oklahoma Grazinglands - (Proceedings) - (27-May-98)

Spatially Distributed Surface Energy Fluxes over the Little Washita Watershed Through the Use of Remotely Sensed Data - (Abstract Only) - (26-May-98)

Progress in Automated Measurements of Soil Water in Atmospheric and Hydrologic Observing Networks in the Southern Great Plains - (Proceedings) - (11-Jan-98)

Estimation of Algal and Suspended Sediment Loads (Singly and Combined) Using Hyperspectral Sensors and Integrated Mesocosm Experiments - (Proceedings) - (17-Mar-97)

The Development and Use of GIS Coverages for the Little Washita River Watershed - (Book / Chapter) - (01-Jan-97)

Estimating Leaf Area Index Using Remotely Sensed Data - (Abstract Only) - (03-Nov-96)

The Development and Use of GIS Coverages for the Little Washita River Watershed - (Proceedings) - (01-Sep-96)

New Digital Landscape Parameterization Methodologies - (Proceedings) - (01-Sep-96)

Hydrology Data Report: Washita '94. - (Government Publication) - (01-Jun-96)

Establishment and Missions of the Little Washita River Research Watershed. - (Proceedings) - (01-Apr-96)

Hydrology, Water Quality and Global Change Research on the Little Washita River Watershed. - (Abstract Only) - (25-Mar-96)