9Snyder R L, Palmer C, Orang M, et al. National Weather Serv- ice Reference Evapotranspiration Forecast[C]// CA Water Plan 2009 Update, 2009,4..1- 6.
10Tracy J C, Marino M A, Taghavi S A. Predicting water demand in agricultural regions using time series forecasts of reference crop evapotranspiration[P]. Proceedings of the Water Resources Ses- sions at Water Forum, 1992: 50-55.