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SPDSS_Task93_MappingHistoricLandUse_20070109
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SPDSS_Task93_MappingHistoricLandUse_20070109
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Last modified
4/17/2013 10:03:33 AM
Creation date
6/5/2008 2:38:06 PM
Metadata
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Template:
Decision Support Systems
Title
SPDSS Task 93.2, 93.3, 93.4, 93.5 - Mapping Historic Land Use
Description
This memorandum provides details on the methods used to conduct a number of activities conducted under Task 93: Mapping Historic Land Use, including: Task 93.2: Mapping of Historic Land Use for the 1980s; Task 93.3: Mapping of Historic Land Use for the 1970s; Task 93.4: Mapping of Historic Land Use for the 1950s; and, Task 93.5: Assignment of Water Supply for Three Dates Historic Land Use.
Decision Support - Doc Type
Task Memorandum
Date
1/9/2007
DSS Category
GIS
DSS
South Platte
Basin
South Platte
Contract/PO #
C153960
Grant Type
Non-Reimbursable
Bill Number
SB01-157, HB02-1152, SB03-110, HB04-1221, SB05-084, HB06-1313, SB07-122
Prepared By
Riverside Technology inc.
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MEMO 93 <br /> Irrigation Well A <br /> The well assignment for <br /> the existing parcel will be <br /> removed and the well <br /> assignment for the new <br /> parcel will be kept <br />Existing 1987 parcel New 1987 parcel <br />matched as a Type 2 to matched as a Type 1 to <br />irrigation well A, irrigation well A <br />translated from 2001 <br />assignment <br />Figure 12. Well match reconciliation for SPDSS historic well assignment. <br />6.4 Results: Irrigated Acreage by Water Source <br />Table 3 and Figure 13 shows the irrigated acreage for Division 1 by water source. District 47 is irrigated <br />almost entirely with surface water. Appendix E lists the surface water irrigated acreage by diversion <br />structure. <br />Table 3. Division 1 Historic Irrigated Acreage by Water Source. <br />Water Source 1956 % of <br />Total 1976 % of <br />Total 1987 % of <br />Total 2001 % of <br />Total <br />Groundwater Only 111,759 11.4% 176,598 17.4% 179,383 18.2% 165,737 18.2% <br />GW & SW 209,386 21.3% 249,223 24.5% 237,662 24.1% 247,391 27.2% <br />Surface Water Onl 661,361 67.3% 590,974 58.1% 569,278 57.7% 495,880 54.5% <br />Budweiser (Anheiser- <br />Busch) Multi-Use Water 0 0.0% 0 0.0% 827 0.1% 1,510 0.2% <br />Total 982,507 100.0% 1,016,794 100.0% 987,150 100.0% 910,517 100.0% <br />Page 23 of 59 ,Rrvera~Ge Feel~nbl'agy, doe. <br />
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