Skosmos: theia_ozcar_thesaurus: Reference evapostranspiration

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Reference evapostranspiration

Reference crop evapotranspiration or reference evapotranspiration, denoted as ETo or ETref, is the estimation of the evapotranspiration from the "reference surface." The reference surface is a hypothetical grass reference crop with an assumed crop height of 0.12 m, a fixed surface resistance of 70 s/m and an albedo of 0.23. The reference surface closely resembles an extensive surface of green, well-watered grass of uniform height, actively growing and completely shading the ground. The fixed surface resistance of 70 s/m implies a moderately dry soil surface resulting from about a weekly irrigation frequency.
Source: https://www.weap21.org/WebHelp/Mabia_Alg_ETRef.htm

https://w3id.org/ozcar-theia/c_48a25841

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