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Catchment‐scale evaporation and the atmospheric boundary layer

Catchment‐scale evaporation and the atmospheric boundary layer Evaporation is an important component of the hydrological cycle; for example, over land surfaces it amounts on average to about 60% of precipitation. This means that for hydrological purposes such as water budget calculations, the prediction or forecasting of floods and droughts, and for dynamic weather forecasting and climate modeling, it is indispensable to have reliable information on land surface evaporation. In mapping a strategy for this, decisions must be made regarding the scales at which this phenomenon is best parameterized. The atmosphere has the capacity of integrating and smoothing the effects of small‐scale irregularities over larger areas. Therefore a more thorough understanding of turbulent transport mechanisms in the atmospheric boundary layer should lead to improved parameterization methods of evaporation at the regional and watershed scale. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Water Resources Research Wiley

Catchment‐scale evaporation and the atmospheric boundary layer

Water Resources Research , Volume 22 (9S) – Aug 1, 1986

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References (72)

Publisher
Wiley
Copyright
Copyright © 1986 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0043-1397
eISSN
1944-7973
DOI
10.1029/WR022i09Sp0039S
Publisher site
See Article on Publisher Site

Abstract

Evaporation is an important component of the hydrological cycle; for example, over land surfaces it amounts on average to about 60% of precipitation. This means that for hydrological purposes such as water budget calculations, the prediction or forecasting of floods and droughts, and for dynamic weather forecasting and climate modeling, it is indispensable to have reliable information on land surface evaporation. In mapping a strategy for this, decisions must be made regarding the scales at which this phenomenon is best parameterized. The atmosphere has the capacity of integrating and smoothing the effects of small‐scale irregularities over larger areas. Therefore a more thorough understanding of turbulent transport mechanisms in the atmospheric boundary layer should lead to improved parameterization methods of evaporation at the regional and watershed scale.

Journal

Water Resources ResearchWiley

Published: Aug 1, 1986

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