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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 -APPENDIX D <br />Appendix D <br />The following attribute checks were performed on the historic irrigated parcels: <br />• IRRIG TYPE checked to ensure all records were either FLOOD or SPRINKLER. <br />• CROP_TYPE checked to ensure all records were capitalized and in the list of HydroBase crop types. <br />• SW_WDID checked to make sure they were populated correctly. SW WDID2 cannot have a record <br />if SW WDID 1 is blank Corrections were made appropriately. <br />SW_COV was populated with the same method as the 2001 parcels. Since no information on how much <br />of a ditch a particular parcel uses was obtained, each parcel is given an equal portion of the ditch it has <br />access to. Parcels with only SW WDID 1 populated receive SW_COV 1 = 100. Parcels with <br />SW_WDID 1 and SW_WDID2 populated receive SW_COV 1 and SW_COV2 = 50. Parcels with <br />SW_WDID1, SW_WDID2, and SW_WDID3 populated receive SW_COV1 = 33.3, SW_COV2 = 33.3, <br />and SW_COV3 = 33.4. Parcels with additional entries in SW_WDID all receive an equal portion of the <br />ditch in the SW COV attributes. <br />Page 36 of 59 ,Rrvera~Ge Feel~n81'agy, ioe. <br />
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