Mean annual recharge from precipitation, inches (x 1000), upper Umatilla River Basin, Oregon, 1981 - 2010
This data set contains mean annual recharge due to infiltration of precipitation, in inches (x 1000), within the upper Umatilla River Basin, Oregon, for calendar years 1981 - 2010. Recharge due to infiltration of precipitation is estimated using a regression method developed by Bauer and Vaccaro (1990) that relates …