RGDSS_Task1_Irrigated Lands Assesment

• Title: RGDSS Task 1 Irrigated Lands Assessment
• Description: This report describes the approach and results for Task 1 - Irrigated Lands Assessment portion of RGDSS.
• Decision Support - Doc Type: Task Memorandum
• Date: 7/24/2000
• 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: Agro Engineering

TABLES
Table 1. Combined Ditch Service Areas ...............................................................................
Table 2. Landsat Thematic Mapper Sensor Characteristics ..................................................
Table 3. Landsat TM Scene Descriptions ..............................................................................
Table 4. IRS Scene Descriptions ...........................................................................................
Table 5. Comparison of 1998 Irrigated Acreage to 1998 Colorado Agricultural Statistics ..
Table 6. 1998 Irrigated Acreage within the Basin .................................................................
Table 7. Ditch Service Area Statistics ...................................................................................
Table 8. Land Cover Class Statistics within Ground Water Model Area ..............................
FIGURES
..... 8
... 13
... 14
... 18
... 30
... 36
... 37
... 39
Figure 1. Location of Rio Grande Basin in Colorado ....................................................... ............. 5
Figure 2. Diagram of Data Flow ....................................................................................... ............. 6
Figure 3. Ditch Service Area Theme ................................................................................ ........... 11
Figure 4. Landsat TM Scene From 6/29/98 ...................................................................... ........... 15
Figure 5. Landsat TM Scene From 8/7/98 ........................................................................ ........... 16
Figure 6. Landsat TM Scene From 8/16/98 ...................................................................... ........... 17
Figure 7. Selected IRS-1C Scenes .................................................................................... ........... 19
Figure 8. False Color Infrared Image of Entire Basin ...................................................... ........... 22
Figure 9. Example ofFractional Coverages forParcels Served by Multiple Surface Water Structures
........ ............................................................................................................................ ........... 27
Figure 10 . Irrigated Parcel Theme .................................................................................... ........... 28
Figure 11 . Land Cover Classification Theme ................................................................... ........... 34
Figure 12 . Irrigated Parcels that are Served Only By Surface Water ............................... ........... 40
Figure 13 . Irrigated Parcels that are Served Only By Ground Water ............................... ........... 41
Figure 14 . Irrigated Parcels that are Served by Both Surface and Ground Water ............ ........... 42
Figure 15 . Irrigated Parcels with No Known Water Supply ............................................. ........... 43
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