Mixture of Time Scales in Evaporation
Desorption and Self-Similarity of Energy Fluxes
Fernando Porté-Agela,
Marc B. Parlangeb,
Anthony T. Cahillc and
Alexander Gruberd
a St. Anthony Falls Lab., Dep. of Civil Engineering, Univ. of Minnesota, Minneapolis, MN USA
b Dep. of Geography and Environmental Eng., The Johns Hopkins Univ., Baltimore, MD USA
c Dep. of Civil Eng., Texas A&M, College Station, TX USA
d Dep. of Civil Engineering, TU-Graz, Graz, Austria

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Fig. 1 Twenty-minute mean values of net radiation (Rn) (solid line), sensible heat flux (H) (dotted line) and latent heat flux (LE) (dashed line) measured over a flat bare-soil field during 9 d of drying (Day 173 through Day 181) following irrigation
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Fig. 2 Evolution of daily values of -2 during the drying period
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Fig. 3 Diurnal values (from 10001700 h) of
for different days during the drying period
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Fig. 4 Comparison of time evolution (20-min intervals) of the measured latent heat flux LEi (solid line) and the modeled evaporative flux LEmi (dashed line)
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Fig. 5 Comparison between modeled and measured 20-min latent heat flux values
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Copyright © 2000 by the American Society of Agronomy.