Modelling Evaporation from Plant Canopies

Cain, J.D.. 1998 Modelling Evaporation from Plant Canopies. Wallingford, Institute of Hydrology, 50pp. (IH Report no.132)

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This report reviews the range of approaches currently used to model evaporati on from plant canopies. Common terminology is defined and the basic methods for calculating potential evaporation are briefly outlined. A range of techniques is then presented for deriving actual evaporation both directly and indirectly. In recognition of its extensive usage, particular attention is paid to the Penman- Monteith equation and the various methodologies for estimating its component variables are reviewed. Cases where the equation has been adapted and ex tended to simulate natural systems in a more realistic way are discussed. Building on the theoretical approach described in detail, the estimation of evaporation from real vegetation types is considered, with the representation of evaporation processes in crops, forests and high altitude grasslands taken as special cases. In conclusion , the recent growth in interest in scaling issues is shown to be highly applicable in evaporation studies and effective approaches are discussed

Item Type: Publication - Report
Programmes: CEH Programmes pre-2009 publications > Other
UKCEH and CEH Sections/Science Areas: _ Pre-2000 sections
ISBN: 0948540850
Funders/Sponsors: NERC
Additional Information. Not used in RCUK Gateway to Research.: Scanned legacy/working document
Additional Keywords: Modelling, Evaporation
NORA Subject Terms: Agriculture and Soil Science
Atmospheric Sciences
Date made live: 25 Jan 2010 11:10 +0 (UTC)

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