Groundwater-flow model of the northern High Plains aquifer in Colorado, Kansas, Nebraska, South Dakota, and Wyoming

Abstract

Cover. Upper illustration: block diagram showing water-budget components of the High Plains landscape and aquifer system. Lower left illustration: Example of calibrated recharge to the Northern High Plains aquifer. Example from figure 18 of this report. Lower center illustration: Example of calibrated horizontal hydraulic conductivity from the Northern High Plains aquifer. Example from figure 18 of this report. Lower right illustration: Example of time series of simulated and estimated base flow. Example from figure 17G of this report.