Submitted to: Meeting Abstract
Publication Type: Abstract Only
Publication Acceptance Date: January 16, 1998
Publication Date: N/A
Technical Abstract:
A major objective of the JORNEX field experiments conducted on the Jornada Experimental Range in southern New Mexico is to evaluate the utility of using remotely sensed data for quantifying the surface energy balance from local to regional scales in an arid rangeland environment containing both grass and shrub dominated ecosystems. Remote sensing is one of the few technologies that can provide synoptic information of important landscape features for surface flux modeling at large scales. However, a major issue is how these data are interpreted and incorporated into model formulations of energy transfer between heterogeneous land surfaces and the lower atmosphere. Results using remotely sensed observations of surface temperature at different spatial resolutions with several model formulations for estimating surface fluxes will be presented. These results will serve as a basis for discussion concerning the strengths and weaknesses of the various modeling approaches and their potential in predicting reliable fluxes for arid landscapes.
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