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 -APPENDIX D
Appendix D: Accuracy Assessment Tables
Table D. 1. Summary of Initial Accuracy and Kappa statistics prior to classification refinement for each
Landsat frame in SPDSS
Irrigated vs. Non Irrigated Crop Types % of Number of FSA
Landsat
v
Frame Initial

Accuracy Initial

Kappa Initial

Accuracy Initial
Kappa SPDSS
Irrigated
Acreage Reference Plots
33/32 68.4% 0.37 89.8% 0.86 89% 550
32/32 98.8% 0.97 94.2% 0.91 18% 86
33/33 99.8% 0.96 27.3% 0.21 2% 11
34/32 100% 1.00 72.7% 0.65 56% 150
s Irrigated acreage percentages total >100% due to 29% (33 miles) sidelap per frame in Colorado.
9 Crop type for Landsat frame 34/is entirely grass/pasture.
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