SPDSS_Task89-2_CropLandUseClassificationProcedures_20060929

• Title: SPDSS Task 89.2 - Crop and Land Use Classification Procedures for Year 2001
• Description: This memorandum describes the activities conducted under Task 89: ‘Mapping of Irrigated Land Use and Irrigated Parcel Boundaries’ for year 2001 and complements the SPDSS Memoranda for Task 89.1 and Task 90.2. This memorandum also provides details on the methods used to conduct a number of Task 89 activities, including Task 89.3: Determine Irrigated Vs. Non-irrigated Lands, Task 89.4: Identify Crop Types In Each Polygon, Task 89.5: Review, Revision and Final Classification, and Task 89.6: Conduct Accuracy Assessment, as well as the results obtained from these activities for year 2001.
• Decision Support - Doc Type: Task Memorandum
• Date: 9/29/2006
• 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.

MEMO 89.2
2.6 Land Cover Mapping
In addition to the irrigated crop maps described above, RTi generated an enhanced land cover map for the
entire SPDSS area. The purpose of this map is to provide information on general classes of natural
vegetation for the groundwater modeling areas. The procedure used to create the enhanced land cover
map is shown in Figure 14.
The SPDSS land cover map was created by combining the SPDSS irrigated lands parcels created by RTi,
the Colorado Division of Wildlife's Riparian Map, and the Colorado Vegetation Map (CVM) produced
by Natural Resources Ecology Laboratory (NREL) at Colorado State University. This procedure
combined the best available and up-to-date land cover datasets in the area to produce an enhanced land
cover map. SPDSS irrigated parcels were given first order of importance and thus supersede the other
two datasets. The procedure used to create the SPDSS 2001 irrigated lands classification is described in
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Figure 14. Development of the SPDSS Land Cover Map