Water-Budget Model and Estimates of Groundwater Recharge for Guam.

摘要

This report describes the (1) development of a daily water-budget model for computing groundwater recharge for the entire island of Guam, (2) application of the model to estimate long-term mean annual recharge for various land- cover and rainfall conditions, and (3) data collected for the chloride mass-balance method as an independent estimate of groundwater recharge. Recharge estimates from this study are compared to previously published recharge estimates, and the sensitivity of recharge estimates to selected water-budget parameters is evaluated.