Electronic Resource
Springer
Boundary layer meteorology
10 (1976), S. 97-111
ISSN:
1573-1472
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
,
Physics
Notes:
Abstract Energy balance/Bowen ratio estimation of evapotranspiration is examined to determine the effects of different sources of error. General usage of the approximate psychrometric equation which neglects terms of order 1/p (p atmospheric pressure) can lead to large bias errors if the wet-bulb temperature depression is large. Temperature and pressure corrections on the ‘psychrometric constant’ cannot be neglected without the risk of a bias error in excess of precision limits placed on a result. Aspiration to an isothermal block for wet-bulb temperature measurement compared with measurement at the air stream source does not necessarily lead to a more precise estimate of the Bowen ratio.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00229278
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