## Abstract Potential evapotranspiration (PET) is a key input to hydrological models. Its estimation has often been via the PenmanβMonteith (PβM) equation, most recently in the form of an estimate of reference evapotranspiration (RET) as recommended by FAOβ56. In this paper the ShuttleworthβWallace
Changes of pan evaporation and reference evapotranspiration in the Yangtze River basin
β Scribed by Y. Wang; T. Jiang; O. Bothe; K. Fraedrich
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 202 KB
- Volume
- 90
- Category
- Article
- ISSN
- 1434-4483
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## Abstract A study of change of meteorological and hydrological variables (precipitation, intense precipitation, and river flow) in the Yangtze River Basin was conducted for particular calendar months. Significant changes were found in many monthly precipitation datasets collected between 1961 and
## Abstract The measurement of evapotranspiration from large land areas is, like the measurement of evaporation from large areas of water, a formidable problem and not often accurately accomplished. Nevertheless, it is essential for an engineer to try to check the results of theoretical or empirica
The temporal trends of reference evapotranspiration (ET ref ) reflect the combined effects of radiometric and aerodynamic variables, such as global solar radiation (R s ), wind speed, relative humidity and air temperature. The temporal trends of annual ET ref during 1961-2006 calculated by Penman-Mo