Other
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufm.h11a0732a&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #H11A-0732
Other
0315 Biosphere/Atmosphere Interactions (0426, 1610), 0360 Radiation: Transmission And Scattering, 0520 Data Analysis: Algorithms And Implementation, 0798 Modeling, 3346 Planetary Meteorology (5445, 5739)
Scientific paper
Shortwave radiation has a wide variety of uses in land-atmosphere interactions research. Actual evapotranspiration estimation that involves stomatal conductance models like Jarvis and Ball-Berry require shortwave radiation to estimate photon flux density. However, in most weather stations, shortwave radiation and net radiation are not measured. Nevertheless, if one is measured, the other can be estimated. Net radiation is the difference between downward and upward radiative fluxes, including shortwave and long- wave radiation. The objective of this study was to develop and evaluate a shortwave radiation estimation model as a function of measured net radiation, air and soil temperatures, and relative humidity. The model was written in Visual Basic 6 to automate all calculations. A statistical comparison of measured and estimated shortwave radiation showed excellent agreement with R2 of 0.98 and a root mean square error of 4%.
Akasheh O. Z.
Gowda P. H.
Howell T. A.
Neale C. M.
Scanlon Bridget R.
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