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United States Department of Agriculture

Agricultural Research Service

Related Topics

Charles L Walthall
Natural Resources and Sustainable Agricultural Systems
General Physical Science

Phone: (301) 504-4634
Fax: (301) 504-4624
Room 4-2282

5601 SUNNYSIDE AVENUE
GWCC-BLTSVL
BELTSVILLE , MD 207055140

National Program Leader For:


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
ARS NP212 Climate change, soils and emissions program update -
Silva, P.J., Sistani, K.R., Delgado, J.A., Walthall, C.L., Del Grosso, S.J. 2015. ARS NP212 Climate change, soils and emissions program update. Meeting Abstract. Abstract.
Soil biological fertility: Foundation for the next revolution in agriculture? -
Hatfield, J.L., Walthall, C.L. 2015. Soil biological fertility: Foundation for the next revolution in agriculture? Communications in Soil Science and Plant Analysis. 46:753-762. DOI: 10.1080/00103624.2015.1005227.
Meeting global food needs: Realizing the potential via genetics x environment x management interactions -
Hatfield, J.L., Walthall, C.L. 2015. Meeting global food needs: Realizing the potential via genetics x environment x management interactions. Agronomy Journal. 107:1215-1226.
Climate change: Cropping system changes and adaptations -
Hatfield, J.L., Walthall, C.L. 2014. Climate change: Cropping system changes and adaptations. In: Van Alfen, N.K., editor. Encyclopedia of Agriculture and Food Systems. London, UK:Elsevier. p. 256-266.
Climate change and food security: Implications for U.S. production and trade -
Hatfield, J.L., Walthall, C.L. 2012. Climate change and food security: Implications for U.S. production and trade. American Society of Agronomy Annual Meetings [abstracts]. ASA-CSSA-SSSA Annual Meeting, Oct. 21-24, 2012, Cincinnati, OH. CD-ROM.
Climate Change and Agriculture: Effects and Adaptation -
Walthall, C.L., Hatfield, J.L., Marshall, E., Lengnick, L., Backlund, P., Adkins, S.T., Ainsworth, E.A., Booker, F.L., Blumenthal, D.M., Bunce, J.A., Burkey, K.O., Dabney, S.M., Goodrich, D.C., Lewers, K.S., Nearing, M.A., Ort, D.R., Pettigrew, W.T., Polley, H.W., Rosskopf, E.N., Srygley, R.B., Ziska, L.H., Delgado, J.A., Funk, A.J., Glenn, D.M., Morgan, J.A., White, J.W., Timlin, D.J., Mcclung, A.M. 2013. Climate Change and Agriculture: Effects and Adaption. Washington, DC: USDA Technical Bulletin 1935. 186 p.
Geophysics applications in critical zone science: emerging topics -
Pachepsky, Y.A., Martinez, G., Guber, A., Walthall, C.L., Vereecken, H. 2012. Geophysics applications in critical zone science: emerging topics. [abstract].
The Global Research Alliance on agricultural greenhouse gases -
Cavallaro, N., Franzluebbers, A.J., Rice, C., Ziska, L.H., Shafer, S.R., Hegg, R., Walthall, C.L. 2011. The Global Research Alliance on agricultural greenhouse gases [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Available: http://a-c-s.confex.com/crops/2011am/webprogram/Paper68100.html.
Climate change impacts on dryland cropping systems in the central Great Plains, USA -
Ko, J., Ahuja, L.R., Anapalli, S., Green, T.R., Ma, L., Nielsen, D.C., Walthall, C.L. 2011. Climate change impacts on dryland cropping systems in the central Great Plains, USA. Climatic Change. 111:445-472.
Agricultural Air Quality: A USDA Perspective -
Knighton, R., Johnson, G., Walthall, C.L. 2011. Agricultural Air Quality: A USDA Perspective. Environmental Management. 49:(1):1-5.
Emergence of the global research alliance on agricultural greenhouse gases -
Shafer, S.R., Walthall, C.L., Franzluebbers, A.J., Scholten, M., Clark, H., Meijs, J., Reisinger, A., Kazuyuki, Y., Slattery, B., Campbell, I., Mcconkey, B., Angers, D., Soussana, J., Richard, G. 2011. Emergence of the global research alliance on agricultural greenhouse gases. Carbon Management. 66:209-214.
Data access and interchange in agronomic and natural resources management -
Steiner, J.L., Walthall, C.L., Sadler, E.J., Hatfield, J.L., Wilson, G.J. 2011. Data access and interchange in agronomic and natural resources management [abstract]. Soil and Water Conservation Society, Modeling Summit, March 29-31, 2011, Denver, Colorado. http://www.swcs.org/index.cfm?nodeID=31752&audienceID=1.
Using Surface Hydrology to Improve Nitrogen Use Efficiency -
Gish, T.J., Daughtry, C.S., Walthall, C.L., Russ, A.L., McKee, L.G., Kung, K. 2008. Using surface hydrology to improve nitrogen use efficiency [abstract]. Joint meeting between the Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Society of America, and the Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM. 2008 CDROM.
EXPLOITATION OF SPATIAL INFORMATION IN HIGH RESOLUTION DIGITAL IMAGERY FOR LEAF AREA INDEX MAPPING -
Walthall, C.L., Pachepsky, Y., Dulaney, W.P., Timlin, D.J., Daughtry, C.S.T. 2007. Exploitation of spatial information in high resolution digital imagery to map leaf area index. Precision Agriculture. 8(6):311-326, http://hdl.handle.net/10113/25742.
Remote Sensing of Agronomic Parameters: Scientific Advances -
Hatfield, J.L., Gitelson, A.A., Schepers, J.S., Walthall, C.L. 2008. Remote Sensing of Agronomic Parameters: Scientific Advances. Agronomy Journal. 100:S117-S131.
RADAR MONITORING OF WETLAND HYDROLOGY IN AN AGRICULTURAL WATERSHED: NEW INFORMATION FOR IMPROVED WATER QUALITY MANGEMENT IN THE CHOPTANK RIVER WATERSHED, MARYLAND -
Lang, M.W., Walthall, C.L., Hively W.D. 2006. Radar monitoring of wetland hydrology in an agricultural watershed: New information for improved water quality management in the Choptank River Watershed, Maryland [abstract]. Soil and Water Conservation Society. p. 86.
DETECTION OF ILLEGAL CANNABIS CULTIVATION USING REMOTE SENSING -
Walthall, C.L., Daughtry, C.S., Vanderbilt, V., Pachepsky, L., Lydon, J., Erbe, E., Higgins, M., Bobbe, T. 2006. Detection of illegal cannabis cultivation using remote sensing. Proceedings of the International Geoscience and Remote Sensing Symposium, July 31-August 4, Denver, Colorado. 2006 CDROM.
C-BAND RADAR MONITORING OF HYDROLOGY IN MID-ATLANTIC COASTAL PLAIN FORESTS: IMPLICATION FOR IMPROVED WATER QUALITY MANAGEMENT IN THE CHESAPEAKE BAY WATERSHED -
Lang, M.W., Walthall, C.L. 2006. C-Band radar monitoring of hydrology in Mid-Atlantic Coastal Plain Forests: Implication for improved water quality management in the Chesapeake Bay Watershed [abstract]. Abs. 19, BARC Poster Day.
USING RADAR TO MAP HYDROLOGY IN MID-ATLANTIC COASTAL PLAIN FORESTS: IMPLICATIONS FOR IMPROVED WATER QUALITY MANAGEMENT -
Lang, M.W., Walthall, C.L. 2006. Using radar to map hydrology in Mid-Atlantic Coastal Plain Forests: Implications for improved water qualtiy management [abstract]. Conservation Effects Assessment Project (CEAP) Annual Meeting. Available: http://www.nrcs.usda.gov/technical/nri/ceap/watersheds/2006meeting.html.
IMPROVING GLOBAL-SCALE LAND COVER CLASSIFICATIONS WITH MULTI-DIRECTIONAL VIEW- ANGLE DATA AND A DECISION TREE CLASSIFIER -
Brown de Colstoun, E., Walthall, C. 2006. Improving global-scale land cover classifications with multi-directional view-angle data and a decision tree classifier. Remote Sensing of Environment. 100:474-485.
HIGH-RESOLUTION MULTISPECTRAL DIGITAL PHOTOGRAPHY USING UNMANNED AIRBORNE VEHICLES -
Hunt, E.R., Walthall, C.L., Daughtry, C.S., Cavigelli, M.A., Fujikawa, S.J., Yoel, D.W., Ng, T.L., Tranchitella, M.C. 2006. High-resolution multispectral digital photograpy using unmanned airborne vehicles. In: Proceedings of the 20th Biennial Workshop on Aerial Photography, Videography and High Resolution Digital Imagery for Resource Assessment, October 4-6, 2005, Weslaco, Texas. 2006 CDROM.
CHARACTERIZING LANDSCAPE COMPOSITION AND STRUCTURE WITH IMAGE TEXTURE PARAMETERS -
Walthall, C.L., Pachepsky, L., Daughtry, C.S. 2005. Characterizing landscape composition and structure with image texture parameters [abstract]. Abstracts from American Geophysical Union Fall Conference. 2005 CDROM.
AGRICULTURE REMOTE SENSING WITH MULTISPECTRAL DIGITAL PHOTOGRAPHY USING UNMANNED AIRBORNE VEHICLES -
Hunt, E.R., Walthall, C.L., Daughtry, C.S., Fujikawa, S.J., Yoel, D., Khorrami, F., Tranchitella, M. 2005. Agriculture remote sensing with multispectral digital photography using unmanned airborne vehicles [abstract]. ASA-CSSA-SSSA Annual Meetings. 2005 CDROM.
HIGH RESOLUTION MULTISPECTRAL DIGITAL PHOTOGRAPHY USING UNMANNED AIRBORNE VEHICLES. -
Hunt, E.R., Walthall, C.L., Daughtry, C.S., Fujikawa, S.J., Yoel, D., Khorrami, F., Tranchitella, M. 2005. High resolution multispectral digital photography using unmanned airborne vehicles [abstract]. 20th Biennial workshop on Areal Photography, Videography, and High Resolution Digital Imagery for Resource Assessment. 2005 CDROM.
EVALUATION OF AERIAL PHOTOGRAPHY FROM MODEL AIRCRAFT FOR REMOTE SENSING CROP BIOMASS AND NITROGEN STATUS -
Hunt, E.R., Cavigelli, M.A., Daughtry, C.S., McMurtrey, J.E., Walthall, C.L. 2005. Evaluation of aerial photography from model aircraft for remote sensing crop biomass and nitrogen status. Precision Agriculture. 6(4):359-378.
TEXTURE ANALYSIS FOR CLASSIFICATION AND SEGMENTATION OF AIRBORNE IMAGES OF PLANT COVER -
Walthall, C.L., Pachepsky, L., Daughtry, C.S. 2005. Texture analysis for classification and segmentation of airborne images of plant cover. In: Proceedings of the 2005 American Society for Photogrammetry and Remote Sensing Annual Conference, March 7-11, 2005, Baltimore, Maryland. I:180-191.
SOYBEAN GROWTH AND DEVELOPMENT VISUALIZED WITH L-SYSTEMS SIMULATIONS: EFFECT OF TEMERATPURE -
Pachepsky, L., Kaul, M., Walthall, C., Lydon, J., Kong, H., Daughtry, C., 2005. Soybean growth and development visualized with L-systems simulations: Effects of temperature. International Journal of Biotronics. 33:31-47.
ALTERNATIVE APPROACHES FOR ESTIMATING LEAF AREA INDEX (LAI) FROM REMOTELY SENSED SATELLITE AND AIRCRAFT IMAGERY -
Walthall, C.L., Dulaney, W.P., Anderson, M., Norman, J., Fang, H., Liang, S., Timlin, D., Pachepsky, L. 2004. Alternative approaches for estimating leaf area index (LAI) from remotely sensed satellite and aircraft imagery. In: Proceedings of the SPIE International Symposium on Optical Science and Technology, August 2-6, 2004, Denver, Colorado. 5544: p. 241-255.
ARTIFICIAL NEURAL NETWORKS FOR CORN AND SOYBEAN YELD PREDICTION -
ANALYSIS OF SURROGATE INDICATORS FOR EVIDENCE OF SUBSURFACE PREFERENTIAL FLOW PATHWAYS: IMPACT OF SUBSURFACE PREFERENTIAL FLOW ON VARIABLILITY OF NDVI -
Walthall, C.L., Gish, T.J., Chinkuyu, A., Dulaney, W.P., Kaul, M.N., Daughtry, C.S. 2004. Analysis of surrogate indicators for evidence of subsurface preferential flow pathways: Impact of subsurface preferential flow on varibility of NDVI. In: Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, September 20-24, 2004, Anchorage, Alaska. VI:3992-3995.
A COMPARISON OF EMPIRICAL AND NEURAL NETWORK APPROACHES FOR ESTIMATING CORN AND SOYBEAN LEAF AREA INDEX FROM LANDSAT ETM+ IMAGERY -
Walthall, C., Dulaney, W., Anderson, M., Norman, J., Fang, H., Liang, S. 2004. A comparison of empirical and neural network approaches for estimating corn and soybean leaf area index from Landsat ETM+ imagery. Remote Sensing of the Environment. 92:465-474.
QUANTIFYING IMPACT OF HYDROLOGY ON CORN GRAIN YIELD USING GROUND-PENETRATING RADAR -
Gish, T.J., Daughtry, C.S.T., Walthall, C.L., Kung. K. 2004. Qualifying impact of hydrology on corn grain yield using ground-penetrating radar. In: Proceedings 10th International Conference on Ground-penetrating Radar, June 21-24, 2004, Delft, The Netherlands. 2:493-496.
VEGETATION WATER CONTENT MAPPING USING LANDSAT DATA DERIVED NORMALIZED DIFFERENCE WATER INDEX (NDWI) FOR CORN AND SOYBEAN -
Jackson, T., Chen, D., Cosh, M., Li, F., Anderson, M., Walthall, C., Doraiswamy, P., Hunt, E.R. 2004. Vegetation water content mapping using Landsat data normalized difference water index (NDWI) for corn and soybean. Remote Sensing of Environment. 92(4):475-482.
NEED AND FEASIBILITY OF APPLYING L-SYSTEM MODELS IN AGRICULTURAL CROP MODELING -
Pachepsky, L., Kaul, M., Walthall, C., Daughtry, C., Lyndon, J. 2004. Need and feasibility of applying L-System models in agricultural crop modeling. In: Proceedings of Fractional 2004 Conference, April 3-8, 2004, Vancouver, Canada. p. 317-318.
REMOTE SENSING IN BOREAS: LESSONS LEARNED -
Gamon, J., Huemmrich, K., Peddle, D., Chen, J., Fuentes, D., Hall, F., Kimball, J., Goetz, S., Gu, J., McDonald, K., Miller, J., Moghaddam, M., Rahman, A., Roujean, J.-L., Smith, E., Walthall, C.L., Zarco-Tejada, P., Hu, B., Fernandex, R., Cihlar, J. 2004. Remote sensing in BOREAS: Lessons learned. Remote Sensing of Environment. 89(20):139-162.
REMOTE SENSING CROP BIOMASS USING RADIO CONTROLLED MODEL AIRCRAFT -
Hunt, E.R., Cavigelli, M.A., Daughtry, C.L., Walthall, C.L. 2003. Remote sensing crop biomass using radio controlled model aircraft [abstract]. American Society of Agronomy Annual Meetings Abstracts [CDROM]. A03hunt827278-Poster.
SOYBEAN GROWTH AND DEVELOPMENT VISUALIZED WITH L-SYSTEM SIMULATIONS:EFFECT OF TEMPERATURE -
Pachepsky, L., Walthall, C.L., Kaul, M., Kong, H., Lyden, J., Daughtry, C.S. 2003. Soybean growth and development visualized with L-system simulations: Effect of temperature [CD-ROM]. Crop Science Society of America, Soil Science Society of America. Denver, Colorado: Agronomy Society of America.
WALL - A MODEL OF LEAF TRANSPIRATION: ANALYSIS OF MECHANISMS AND VISUALIZATION -
Pachepsky, Y.A., Walthall, C.L., Kaul, M., Daughtry, C.S. 2003. A model of transpiration: analysis of mechanisms and visualization [CD-ROM]. Crop Science Society of America, Soil Science Society of America. Denver, Colorado: Agronomy Society of America.
WATERSHED-SCALE SENSING OF SUBSURFACE FLOW PATHWAYS AT OPE3 SITE -
Gish, T.J., Walthall, C.L., Daughtry, C.S.T., Dulaney, W.P., McCarty, G.W. 2003. Watershed-scale sensing of subsurface flow pathways at OPE3 site. In: Proceedings of the First Interagency Conference on Research in the Watersheds, October 27-30, 2003, Benson, Arizona. p. 192-197.
YIELD INDEX AND REMOTE SENSING TO CONFIRM WATERSHED SUBSURFACE FLOW PATHWAYS -
Gish, T.J., Walthall, C.L., Daughtry, C.S., Kung, S.J.S. 2005. Yield index and remote sensing to confirm watershed subsurface flow pathways. Journal of Environmental Quality. 34:275-286.
WHAT DO WE KNOW ABOUT THE SPECTRAL SIGNATURES OF ILLEGAL CANNABIS CULTIVATION? -
WALTHALL, C.L., DAUGHTRY, C.S., VANDERBILT, V., HIGGINS, M., BOBBE, T., LYDON, J., KAUL, M.N. 2003. WHAT DO WE KNOW ABOUT THE SPECTRAL SIGNATURES OF ILLEGAL CANNABIS CULTIVATION? PROCEEDINGS OF THE OFFICE OF NATIONAL DRUG CONTROL POLICY PROCEEDINGS.
WATERSHED-SCALE SURFACE AND SUB-SURFACE REMOTE SENSING AT THE OPE3 SITE -
Gish, T.J., Walthall, C.L., Daughtry, C.S., McCarty, G.W., Dulaney, W.P. 2003. Watershed-scale surface and sub-surface remote sensing at the OPE3 site. 1st Interagency Conference on Research in the Watershed.
STATISTICAL COMPARISON OF MISR, ETM+ AND MODIS LAND SURFACE REFLECTANCES AND ALBEDO PRODUCTIONS OF THE BARC LAND VALIDATION CORE SITE, USA -
Fang, H., Liang, S., Chen, M., Walthall, C.L., Daughtry, C.S. 2003. Statistical comparison of MISR, ETM+ and MODIS land surface reflectances and albedo production of the BARC land validation core site, USA. International Journal of Remote Sensing. 25(2):409-422.
ESTIMATION OF VEGETATION WATER CONTENT FOR CORN AND SOYBEANS WITH A NORMALIZED DIFFERENCE WATER INDEX (NDWI) USING LANDSAY THEMATIC MAPPER DATA -
Chen, D., Jackson, T.J., Li, F., Cosh, M.H., Walthall, C.L., Anderson, M. 2003. Estimation of vegetation water content for corn and soybeans with a normalized difference water index (NDWI) using Landsat thermatic mapper data. International Geoscience and Remote Sensing Symposium Proceedings. IV:2853-2856.
A PROTOCOL FOR DIFFERENTIATING HYDROLOGIC ZONES OF SOIL MOISTURE -
Gish, T.J., Walthall, C.L., Daughtry, C.S., Prueger, J.H. 2003. A Protocol for Differentiating Hydrologic Zones of Soil Moisture [CD-ROM]. Crop Science Society of America, Soil Science Society of America. Denver, Colorado: Agronomy Society of America.
USING SUBSURFACE STRATIGRAPHY TO DETERMINE SUBSURFACE WATER FLOW PATHWAYS -
Gish, T.J., Daughtry, C.S., Walthall, C.L., McCarty, G.W., Angier, J. 2003. Using subsurface stratigraphy to determine subsurface water flow pathways [CD-ROM]. Crop Science Society of America, Soil Science Society of America. Denver, Colorado: Agronomy Society of America.
ESTIMATION OF LAND SURFACE BROADBAND ALBEDOS AND LEAF AREA INDEX FROM EO-1 DATA AND VALIDATION -
Liang, S., Fang, H., Kaul, M., Van Niel, T., Mc Vicar, T., Walthall, C.L., Daughtry, C.S., Huemmrich, F. 2003. Estimation of land surface broadband albedos and leaf area index from EO-I data and validation. IEEE Transactions on Geoscience and Remote Sensing. 41(6):1260-1267.
SPECTRAL VEGETATION INDEX RELATIONSHIPS WITH NORMALIZED YIELD MONITOR DATA -
Walthall, C.L., Gish, T.J., Daughtry, C.S. 2003. Spectral vegetation index relationship with normalized yield monitor data [abstract]. In: Proceedings of IEEE International Geoscience and Remote Sensing Symposium, July 20-25, 2003, Toulouse, France. 2003 CDROM.
SENSOR DEVELOPMENT AND RADIOMETRIC CORRECTION FOR AGRICULTURAL APPLICATIONS 1403 -
MORAN, M.S., FITZGERALD, G.J., RANGO, A., WALTHALL, C.L., BARNES, E.M., BAUSCH, W.C., CLARKE, T.R., DAUGHTRY, C.S., EVERITT, J.H., HATFIELD, J.L. SENSOR DEVELOPMENT AND RADIOMETRIC CORRECTION FOR AGRICULTURAL APPLICATIONS v.69(6). p. 705-718. 1403. JOURNAL OF PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING. 2003.
CROP MONITORING TECHNOLOGIES IN ASSESS N STATUS -
USE OF SPATIAL VARIANCE INFORMATION FROM REMOTE SENSING IMAGERY TO MAP VEGETATION FOLIAGE DENSITY -
WALTHALL, C.L., TIMLIN, D.J., PACHEPSKY, Y.A., DULANEY, W.P., DAUGHTRY, C.S. USE OF SPATIAL VARIANCE INFORMATION FROM REMOTE SENSING IMAGERY TO MAP VEGETATION FOLIAGE DENSITY. AMERICAN GEOPHYSICAL UNION. 2002.
THE IMPACT OF CORN LEAF OPTICAL PROPERTIES ON IMAGE TONE -
Walthall, C.L., Daughtry, C.S., Norman, J. The impact of corn leaf optical properties on image tone. In: Proceedings of American Society for Photogrammetry and Remote Sensing.
COMPARING SMALL SCALE SPATIAL RELATIONSHIPS OF SURFACE SOIL WATER -
Fisher, J., Timlin, D.J., Hill, R., Pachepsky, Y.A., Dulaney, W.P., Walthall, C.L. 2002. Comparing small scale spatial relationships of surface soil water. ASA-CSSA-SSSA Proceedings.
LINKING WITHIN-FIELD CROP RESPONSE WITH SOIL CHARACTERISTICS -
Kaul, M., Walthall, C.L., Pachepsky, Y.A., Timlin, D.J. 2002. Linking within-field crop response with soil characteristics [abstract]. In: Abstracts of Agronomy Socieity of America, Soil Science Society of America, Crop Science Society of America, Annual Meeting, November 10-15, 2002. Indianapolis, Indiana [CDROM].
A MIX OF SCALES: TOPOGRAPHIC INFORMATION, POINT SAMPLES AND YIELD MAPS -
TIMLIN, D.J., PACHEPSKY, Y.A., WALTHALL, C.L. A MIX OF SCALES: TOPOGRAPHIC INFORMATION, POINT SAMPLES AND YIELD MAPS. Bridging Scales in Soil Physics. 2003.
A MIX OF SCALES: TOPOGRAPHIC INFORMATION, POINT SAMPLES, YIELD MAPS AND REMOTELY SENSED DATA -
Timlin, D.J., Pachepsky, Y.A., Walthall, C.L. 2003. A mix of scales: topographic information, point samples, yield maps and remotely sensed data [abstract]. Abstract of Agronomy Meetings.
A MIX OF SCALES: TOPOGRAPHIC INFORMATION, POINT SAMPLES AND YIELD MAPS -
Timlin, D.J., Pachepsky, Y.A., Walthall, C.L. 2003. A mix of scales: topographic information, point samples and yield maps. Bridging Scales in Soil Physics. p. 227-241.
CORN LEAF CHLOROPHYLL STATUS FROM HYPERSPECTRAL IMAGES -
Daughtry, C.S., Hunt, E.R., McMurtrey, J.E., Doraiswamy, P.C., Walthall, C.L., Gish, T.J. 2002. Corn leaf chlorophyll status from hyperspectral images [abstract]. American Society of Agronomy Meetings [CDROM].
REMOTE SENSING LEAF CHLOROPHYLL CONCENTRATION IN CORN FIELDS -
Daughtry, C.S., Hunt, E.R., McMurtrey, J.E., Gish, T.J., Walthall, C.L., Remote sensing leaf chlorophyll concentration in corn fields [abstract]. International Conference on Precision Agriculture [CD ROM].
REMOTE SENSING USING RADIO-CONTROLLED MODEL AIRCRAFT AND AIRBORNE SENSORS FOR NUTRIENT MANAGEMENT -
Hunt, E.R., Daughtry, C.S., Walthall, C.L., McMurtrey, J.E., Dulaney, W.P. 2003. Agricultural remote sensing using radio-controlled model aircraft. In: Van Toai, T., Major, D., McDonald, M., Schepers, J., and Tarpley, L. editors. Digital Imaging and Spectral Techniques: Applications to Precision Agriculture and Crop Physiology. ASA Special Publication 66. Madison, WI: ASA-CSSA-SSSA. p. 191-199.
DEVELOPMENT OF A SPECTRALLY BASED CANOPY PIGMENT INDEX FOR NITROGEN NEEDS IN CORN CROPS -
McMurtrey, J.E., Daughtry, C.S., Doraiswamy, P.C., Walthall, C.L., Hunt, E.R., Corp, L.A. 2002. Development of spectrally based canopy pigment index for nitrogen needs in corn crops. In: Proceedings of the International Conference on Precision Agriculture. 1(1):1601.
COMPARISON OF REMOTE SENSING IMAGERY FOR NITROGEN MANAGEMENT -
Hunt, E.R., Daughtry, C.S., McMurtrey, J.E., Walthall, C.L., Baker, J.A., Schroeder, J.C., Liang, S. 2003. Comparison of remote sensing imagery for nitrogen management. In: P.C. Robert, editor. Proceedings of the Sixth International Conference on Precision Agriculture 2002. [CDROM].
ESTIMATING CORN GRAIN YIELD FROM TEMPORAL VARIATIONS OF SOIL MOISTURE -
Gish, T., Buss, P., Daughtry, C.S.T., Dulaney, W.P., Walthall, C. 2002. Estimating corn grain yeild from temporal variations of soil moisture. In: Proceedings of 6th International Conference on Precision Agriculture and Other Precision Resource Mnagement Conference, July 14-17, 2002, Bloomington, Minnesota. p. 157.
ATMOSPHERIC CORRECTION OF LANDSAT ETM+ LAND SURFACE IMAGERY II: VALIDATION AND APPLICATIONS -
VALIDATING MODIS LAND SURFACE REFLECTANCEA ND ALBEDO PRODUCTS: METHODS AND PRELIMINARY RESULTS -
NARROWBAND TO BROADBAND CONVERSIONS OF LAND SURFACE ALBEDO: II VALIDATION -
EXPLOITING IMAGE SPATIAL VARIANCE FOR VEGETATION PATTERNS -
Walthall, C.L., Timlin, D.J., Pachepsky, Y.A., Dulaney, W.P., Daughtry, C.S., 2002. Exploiting image spatial variance for vegetatation patterns. In: Proceedings of American Society for Photogrammetry and Remote Sensing, November 12-14, 2002, Denver, Colorado, [CDROM].
COMPARISON OF REMOTE SENSING IMAGERY FOR NITROGEN MANAGEMENT -
Hunt,E.R., Daughtry, C., McMurtrey, J., Walthall, C., Liang, S., 2002. Comparison of remote sensing imagery for nitrogen management. In: Proceedings of 6th International Conference on Precision Agriculture, July 14-17, 2002, Minneapolis, Minnesota.
OPTIMIZING PRODUCTION INPUTS FOR ECONOMIC AND ENVIRONMENTAL ENHANCEMENT (OPE 3) -
Gish, T., Daughtry, C., Walthall, C., Dulaney, W., Kaul, M., Lu, Y-C., McCarty, G. 2002. Optimizing Production inputs for Economic and Environmental Enhancements (OPE3) [abstract]. Soil and Water conservation Society Annual Meeting. p. 77-78.
SPATIAL DISTRIBUTION OF SURFACE SOIL WATER UNDER A CORNFIELD -
Fisher, J.K., Timlin, D.J., Pachepsky, Y.A., Dulaney, W.P., Walthall, C.L. 2002. Spatial distribution of surface soil water under a cornfield. Remote Sensing and Modeling Applications for Natural Resource Management.
CHARACTERIZATION OF WATER AVAILABILITY IN LANDSCAPE USING SEVERAL SOURCES OF DATA. -
Timlin, D.J., Pachepsky, Y.A., Walthall, C.L. 2002. Characterization of water availability in landscape using several sources of data. Remote Sensing and Modeling Applications for Natural Resource Management.
SPATIAL REGRESSION OF CROP PARAMETERS WITH AIRBORNE SPECTRAL IMAGERY -
Timlin, D.J., Walthall, C.L., Pachepsky, Y.A., Dulaney, W.P., Daughtry, C.S. 2002. Spatial regression of crop parameters with airborne spectral imagery. Intnl Conference On Geospatial Information In Agriculture And Forestry.
ASSESSMENT OF LANDSCAPE SPATIAL STRUCTURE AS AN INDICATOR OF AVAILABLE SOIL NITROGEN FOR AGRICULTURAL PRODUCTION -
USING SPATIAL AUTOREGRESSION AND CONDITIONAL SIMULATIONS TO QUANTIFY RELATIONSHIPS FOR GEOSPATIAL DATA -
Timlin, D.J., Walthall, C.L., Pachepsky, Y.A. 2001. Using spatial autoregression and conditional simulations to quantify relationships for geospatial data [abstract]. Intnl Conference On Geospatial Information In Agriculture And Forestry.
USING SPATIAL VARIANCE INFORMATION FROM REMOTE SENSING IMAGERY TO MAP CROP FOLIAGE DENSITY -
SURFACE AND SUBSURFACE NITRATE FLOW PATHWAYS ON A WATERSHED SCALE -
LAND SURFACE GEO/BIOPHYSICAL VARIABLE ESTIMATION FROM EO-1 DATA AND VALIDATION -
AN INNOVATIVE APPROACH FOR LOCATING AND EVALUATING SUBSURFACE LOSSES OF NITROGEN -
AN INNOVATIVE APPROACH FOR LOCATING AND EVALUATING SUBSURFACE LOSSES OF NITROGEN -
COMPARISON OF METHODS FOR REMOTE SENSING OF PLANT GROWTH AND NUTRIENT MANAGEMENT -
AN INNOVATIVE APPROACH FOR LOCATING AND EVALUATING PATHWAYS FOR NITROGEN LOSS -
REMOTE SENSING OF CROP RESIDUE COVER AND CONSERVATION TILLAGE -
USING SPATIAL VARIANCE INFORMATION FROM REMOTELY SENSED IMAGERY TO MAP CROPFOLIAGE DENSITY -
LINKING WITHIN-FIELD CROP RESPONSE WITH SOIL CHARACTERISTICS TO DEFINE CROPRESPONSE ZONES -
LINKING WITHIN-FIELD CROP RESPONSE WITH SOIL CHARACTERISTICS TO DEFINE CROPRESPONSE ZONES FOR MANAGEMENT ZONE DELINEATION -
ASSESSING THE SPATIAL DISTRIBUTION OF PLANT LITTER -
IDENTIFYING WATERSHED SCALE SUBSURFACE FLOW PATHWAYS -
DETECTING MARIJUANA USING OPTICAL WAVELENGTH REMOTE SENSING -
DETECTING MARIJUANA USING OPTICAL REMOTE SENSING -
NITRATE SURFACE AND SUBSURFACE FLOW PATHWAYS ON A WATERSHED SCALE -
REMOTE SENSING METHODS FOR ESTIMATION OF CROP NITROGEN STATUS -
SPATIAL VARIABILITY OF LEAF CHLOROPHYLL DERIVED FROM HYPERSPECTRAL IMAGES -
THE USE OF REMOTE SENSING TECHNIQUES TO DETERMINE THE IMPACT OF PREFERENTIAL FLOW ON CORN YIELDS -
USE OF GROUND-PENETRATING RADAR AND REMOTELY SENSED DATA TO UNDERSTAND YIELD VARIABILITY UNDER DROUGHT CONDITIONS -
THE USE OF A WATER BUDGET MODEL AND YIELD MAPS TO CHARACTERIZE WATER AVAILABILITY IN A LANDSCAPE -
MULTIANGLE REMOTE SENSING: PAST, PRESENT, AND FUTURE -
REMOTE SENSING OF PHOTOSYNTHETIC-LIGHT-USE EFFICIENCY OF BOREAL FOREST -
VARIABILITY AND COVARIANCE OF FACTORS AFFECTING CANOPY WITH REFLECTANCE WITHIN A 6 HA CORN FIELD -
ESTIMATING LEAF CHLOROPHYLL FROM LEAF AND CANOPY REFLECTANCE -
FIELD AND LANDSCAPE BRDF OPTICAL WAVELENGTH MEASUREMENTS: EXPERIENCE TECHNIQUES AND THE FUTURE -
BRDF RESEARCH RESULTS DIFFUSION: A CALL FOR OUTREACH AND EDUCATION -
COMPACT AIRBORNE SPECTROGRAPHIC IMAGER (CASI) USED FOR MAPPING BIOPHYSICAL PARAMETERS OF BOREAL FORESTS -
ASSESSING SOURCES OF CORN FIELD VARIABILITY USING AIRBORNE IMAGERY COINCIDENT WITH SURFACE MEASUREMENTS -
MEASURING AEROSOL OPTICAL THICKNESS WITH A HELICOPTER-BASED SUNPHOTOMETER -
PROFILES OF PAR, NITROGEN, AND PHOTOSYNTHETIC CAPACITY IN THE BOREAL FOREST: IMPLICATIONS FOR SCALING FROM LEAF TO CANOPY -
RETRIEVAL OF LAND SURFACE ALBEDO FROM SATELLITE OBSERVATIONS: A SIMULATION STUDY -
SPATIAL VARIABILITY OF PARAMETERS DETERMINING CORN CANOPY REFLECTANCE -
Last Modified: 5/2/2016
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