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Title:   Author  item
                                            Kustas, William

                                                         - *Bill*item
                                            Anderson, Marthaitem
                                            Evett, Steven

                                                         - *Steve*item
                                            Trout, Thomas
  Submitted to: Meeting Abstract
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 10/15/2011
                                    Publication  Date: 11/2/2011
                                    Citation: Kustas, W.P., Anderson, M.C., Evett, S.R., Trout, T.J. 2011. Examples of USDA-ARS contributions to the advancement of remote sensing tools for ET estimation. 2011 Western States Reomote Sensing of Evapotranspiration Workshop. http://www.westernstatesetworkshop.com/wp-content/uploads/2011/10/western_RS_ET_2011_ARS_Kustas.pdf.Interpretive Summary:
                                Technical Abstract: Estimating evapotranspiration (ET) is critical in assessing crop growth, development, stress and ultimately yield and in managing water to achieve greater crop water productivity.  With irrigated agriculture estimated to consume 70-80% of freshwater resources not only in the western U.S. but worldwide, there  are major efforts directed towards developing water conservation and water use efficiency tools and techniques that can sustain yield but reduce water use.  To address this problem, ARS scientists have conducted research over the last several decades in developing remote sensing methods for quantifying ET from canopy and field to watershed/landscape and regional scales.  Algorithms based on the use of crop coefficients with reflectance-based indices as well as thermal-based methods will be presented and discussed.  Methods to reliably estimate daily ET for operational applications will also be presented.


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