RGDSS_Historic_CUreport_20040601

• Title: RGDSS - Rio Grande Historic Crop Consumptive Use Analysis
• Description: The documentation is for the Rio Grande Basin Historic Crop Consumptive Use Analysis, developed during the RGDSS implementation for the period 1950 through 2002. It includes 100 percent of the crop consumptive use in the basin for the period. Documentation consists of the final Historic Crop Consumptive Use Analysis Report and supporting appendices.
• Decision Support - Doc Type: Modeling Dataset Documentation
• Date: 6/1/2004
• DSS Category: Consumptive Use
• DSS: Rio Grande
• Basin: Rio Grande
• Contract/PO #: C153863
• Grant Type: Non-Reimbursable
• Bill Number: HB98-1189, SB99-173
• Prepared By: Leonard Rice Engineering

Historic Crop Consumptive Use -Rio Grande Decision Support System
Table of Contents
List of Tables
Page
Table 1 -Average Annual Consumptive Use Results - 1950 through 2002 ............... ........ 2
Table 2 - 1998 Irrigated Acreage by Structure Type .................................................. ...... 13
Table 3 -Historic Consumptive Use Structure Scenario ............................................ ...... 18
Table 4 -Average Soil Moisture Capacity (inches/inch) ............................................ ...... 19
Table 5 -Climate Station Weight Assignments ......................................................... ...... 21
Table 6 - 1998 Irrigated Acreage by Source ............................................................... ...... 22
Table 7 - 1998 Irrigated Acreage by Crop Type ......................................................... ...... 23
Table 8 - 1998 Irrigated Acreage by Water District ................................................... ...... 23
Table 9 -Estimated Conveyance Efficiencies for Specific Large Ditch Systems...... ...... 25
Table 10 -Conveyance Efficiencies and Corresponding Number of Ditches ............ ...... 25
Table 11-Average Annual Filled Climate Values 1950 through 2002 ...................... ...... 29
Table 11-Conveyance Efficiencies and Corresponding Number of Ditches ............. ...... 30
Table 12- TR-21 and Calibrated Crop Coefficients for Pasture and Alfalfa .............. ...... 31
Table 13- TR-21 and Calibrated Crop Coefficients for Potatoes and Small Grains... ...... 33
Table 14- TR-21 and Calibrated Season Begin, End, and Length .............................. ...... 34
Table 15- Basin Average Annual Results 1950 through 2002 ................................... ...... 35
Table 16- Average Annual Consumptive Use Results - 1950 through 2002 .............. ...... 36
Table 17- Average Monthly Shortage - 1950 through 2002 ....................................... ...... 37
Table 18- Average Annual Consumptive Use by Source - 1950 through 2002 ......... ...... 39
Table 19- Estimated Ground Water Diversion - 1950 through 2002 .......................... ...... 42
Table 20- Average Monthly Calculated Efficiencies - 1950 through 2002 ................ ...... 44
Table 21- Surface Water Model Planning Scenario Results - 1950 through 2002..... ...... 45
Table 22- Ground Water Model Planning Scenario Results - 1950 through 2002 ..... ...... 46
cureport_6-2004.doc iii June, 2004