||Development of Prediction Relationships for Water Requirements with Irrigation Cooling.
Barfiel, Billy J. ;
Walke, John A. ;
Payn, F. A. ;
||Kentucky Water Resources Inst., Lexington.
||RR-70; DI-14-31-0001-3217 ;DI-14-31-0001-3517; OWRR-A-028-KY; 05539,; A-028-KY(1)
Grain sorghum plants ;
Water consumption ;
Mathematical models ;
Atmospheric temperature ;
Plant tissues ;
Energy budget ;
Water requirements ;
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
A model for predicting leaf temperatures during an off-on mist cycle is presented. The model uses a combination of energy budget and aerodynamic techniques. The model was tested for dry leaf temperature and evapotranspiration predictions using average hourly data from Arizona. The accuracy was good. It was also tested for dry leaf temperature predictions using two to three minute data with a widely varying net radiation. When reasonable values of stomatal resistance were used, the agreement was again good. The model was tested for prediction of wet leaf temperature with a ten minute on, fifty minute off mist irrigation cycle. The agreement was fair when using reasonable input parameters. The poorest predictions were during the mist on cycle.