Projects

HYDROLOGIC AND ENVIRONMENTAL IMPACTS OF CONSERVATION PRACTICES IN OKLAHOMA AGRICULTURAL WATERSHEDS Appropriated (D)   Accession Number: 411679

INTEGRATING FORAGE SYSTEMS FOR FOOD AND ENERGY PRODUCTION IN THE SOUTHERN GREAT PLAINS Appropriated (D)   Accession Number: 412837

FARM-SCALE ECONOMIC ANALYSIS OF ADOPTION OF NO-TILL IN THE FT. COBB RESERVOIR WATERSHED Specific Cooperative Agreement (S)   Accession Number: 412250

MONITORING AND EVALUATING WATER RESOURCES IN CENTRAL OKLAHOMA WATERSHEDS Specific Cooperative Agreement (S)   Accession Number: 412919

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

Publications

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) - (13-Jul-08)

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.

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

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

Interspecies variation of forage nitrogen and nonstructural carbohydrate concentrations in perennial cool-season grasses - (Peer Reviewed Journal)

Zhao, D., Starks, P.J., Kindiger, B.K., Mackown, C.T. 2008. Interspecies variation of forage nitrogen and nonstructural carbohydrate concentrations in perennial cool-season grasses. Agronomy Journal. 100(3):1-8.

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)

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)

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)

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)

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)

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)

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/Symposium)

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/Symposium)

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/Symposium)

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)

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)

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/Symposium)

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)

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/Symposium)

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)

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/Symposium)

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)

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/Symposium)

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)

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/Symposium)

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/Symposium)

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)

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)

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.

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)

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.

USE OF SPECTRAL REFLECTANC MEASURES FROM HYPERSPECTRAL RADIOMETRY IN PREDICTION OF LAMB GAINS ON BERMUDAGRASS PASTURES - (Abstract)

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].

EFFECT OF SAMPLING METHOD ON ESTIMATES OF FORAGE QUALITY AND DIGESTIBILITY. - (Abstract)

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)

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.