pan coefficient

pan coefficient

[′pan ‚kō·i‚fish·ənt]
(meteorology)
The ratio of the amount of evaporation from a large body of water to that measured in an evaporation pan.
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References in periodicals archive ?
Importance of pan evaporation for irrigation scheduling and proper use of crop-pan coefficient (Kcp) crop coefficient (Kc) and pan coefficient (Kp).
o], one has to multiply the data from the evaporation pan with pan coefficient that can be chosen from 1 to 2.
In Puerto Rico, the pan coefficient values commonly used were derived from a study by Gonzalez and Goyal (1989).
A significant difference was found to exist between the mean pan coefficient calculated with pan evaporation data from 1960 to 1980 and 1981 to 2000.
Another potential source of error is the use of published values of the pan coefficient derived from the study of Gonzalez and Goyal (1989), which estimated evapotranspiration using the UDSA-SCS Blaney-Criddle method, based on pre-1980 climate data.
r] = Seasonal reference evapotranspiration = pan coefficient x pan evapotranspiration.
No plants were grown, and potential evaporation was taken as the measured pan evaporation with a pan coefficient (mm of potential evaporation per mm of evaporation from the pan) of 1.
Evapotranspiration is often not directly measured in field experiments and it is necessary to obtain the pan coefficient as well as the mineralisation rate parameter from the data.
The pan must be properly constructed, located and managed for accurate use in irrigation scheduling, and a suitable pan coefficient must be determined as well (Huang et al.
Using Class A evaporation pan with a constant pan coefficient of 0.

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