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Micro-climate influence on reference evapotranspiration estimates in wetlands

Kelvin, J.; Acreman, M.C.; Harding, R.J.; Hess, T.M.. 2017 Micro-climate influence on reference evapotranspiration estimates in wetlands. Hydrological Sciences Journal, 62 (3). 378-388. 10.1080/02626667.2015.1117089

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Abstract/Summary

Temperature and relative humidity measurements were made within and outside a lowland fen in eastern England during 2009 and 2010. Summer temperatures were found to be on average 0.24°C lower within the fen than outside, whilst summer vapour pressures were found to be on average 0.074 kPa higher within the fen. In contrast, winter temperatures were found to be higher within the fen by an average of 0.03°C. These differences may be expected to influence evapotranspiration estimates derived using data from each of the sites. The influence of the location of meteorological measurements on evapotranspiration estimates was therefore evaluated. The existence of a wetland microclimate results in up to a 7% reduction in annual reference evapotranspiration compared to a site surrounded by arable farmland only 5.5 km away.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1080/02626667.2015.1117089
CEH Sections: Acreman
CEH fellows
ISSN: 0262-6667
Additional Information. Not used in RCUK Gateway to Research.: Open Access paper - full text available via Official URL link.
Additional Keywords: evaporation, lowland fen, microclimate, reference evapotranspiration, wetlands
NORA Subject Terms: Hydrology
Meteorology and Climatology
Date made live: 30 Mar 2017 10:41 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/503896

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