Difference between revisions of "Reference crop evaporation"

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<div class="definition"><div class="short_definition">The quantity of water evaporated per unit area, per unit time from a  continuous, uniform area of grass with a fixed height of 0.12 m, an [[albedo]] of 0.23, and a surface  [[resistance]] of 69 s m<sup>&minus;1</sup>; approximated by the rate of [[evaporation]] for an extensive area of 0.08 to  0.15 m high green grass cover of uniform height, actively growing, completely shading the ground,  and not short of water.</div><br/> </div>
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<div class="definition"><div class="short_definition">The quantity of water evaporated per unit area, per unit time from a  continuous, uniform area of grass with a fixed height of 0.12 m, an [[albedo]] of 0.23, and a surface  [[resistance]] of 69 s m<sup>-1</sup>; approximated by the rate of [[evaporation]] for an extensive area of 0.08 to  0.15 m high green grass cover of uniform height, actively growing, completely shading the ground,  and not short of water.</div><br/> </div>
 
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Latest revision as of 15:59, 20 February 2012



reference crop evaporation

The quantity of water evaporated per unit area, per unit time from a continuous, uniform area of grass with a fixed height of 0.12 m, an albedo of 0.23, and a surface resistance of 69 s m-1; approximated by the rate of evaporation for an extensive area of 0.08 to 0.15 m high green grass cover of uniform height, actively growing, completely shading the ground, and not short of water.