Arkansas - CSU Geospatial DSS for Integrated Water Mgmt_ Application

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Water Supply Reserve Account -Grant Application Form Form Revised May 2007 Relevant Project History Since 1999, CSU has conducted studies to develop insight into current water-related problems in the Lower Arkansas River Basin and to identify promising solution strategies for consideration by water managers and stakeholders. These studies have been supported by several local, state, and federal agencies and organizations, including the Southeastern Colorado Water Conservancy District, the Lower Arkansas Valley Water Conservancy District, Bent County Soil Conservation District, Fort Lyon Canal Company, Catlin Canal Company, Colorado Agricultural Experiment Station, Colorado Water Resources Research Institute, Colorado Water Conservation Board, Colorado Department of Public Health and Environment, U.S. Department of Agriculture, the U.S. Bureau of Reclamation, and the U.S. Geological Survey. In addition, more than 120 Arkansas Valley growers and ranchers have permitted the use of theirfields for data collection and monitoring, along with several canal companies and soil conservation districts providing important in-kind support. This support has allowed extensive field data collection and development of state-of-the-art modeling tools for incorporation into adecision-making framework referred to as the Lower Arkansas River GeoDSS. Major accomplishments and findings to date are published in a technical report by Gates, et al. (2006}? (www.CSUArkRiver.colostate.edu) and in numerous professional papers. Gates, T., L. Garcia, and J. Labadie, "Toward Optimal Water Management in Colorado's Lower Arkansas River Valley: Monitoring and Modeling to Enhance Agriculture and Environment," Colorado Water Resources Research Institute, Completion Report No. 205, Colorado Agricultural Experiment Station Technical Report TR06-10, Colorado State University, Fort Collins, CO, 2006. 12 The extensive and comprehensive field data collection program has been conducted over the entire Lower Arkansas River Valley, but with more intensive data collection in two representative study regions: the Upstream Study Region and Downstream Study Region, for characterizing the irrigated stream-aquifer system and calibrating and supporting computational models of the system. Data collected in the study regions include river flow and salinitylSe concentrations, reservoir storage and