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CRDSS_Task2-03-3_QAQCProceeduresCRDSSSpatialDatabase
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Last modified
9/25/2011 10:18:46 AM
Creation date
6/3/2008 2:10:09 PM
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Decision Support Systems
Title
CRDSS Task 2.03-03 - Quality Assurance/Quality Control Procedures for the CRDSS Spatial Database
Description
This task memorandum will describe the data population (QA/QC) Quality Assurance/Quality Control procedures used to populate the CRDSS Spatial Database.
Decision Support - Doc Type
Task Memorandum
Date
1/3/1997
DSS Category
GIS
DSS
Colorado River
Basin
Colorado Mainstem
Contract/PO #
C153658, C153727, C153752
Grant Type
Non-Reimbursable
Bill Number
SB92-87, HB93-1273, SB94-029, HB95-1155, SB96-153, HB97-008
Prepared By
Riverside Technology inc.
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Table 17: River Basins (100k <br /># River Basins (100k) GRASS Arc/Info Acre diff. % error <br />1 COLORADO RIVER BASIN628303 5 628318 1 14 6 0.002 3 <br />2 GUNNISON RIVER BASIN514114 6 514125 7 11 1 0.002 2 <br />3 DOLORES RIVER BASIN280987 5 280993 5 6 0 0.002 1 <br />4 GREEN RIVER BASIN51163 9 51164 9 1 0 0.002 0 <br />5 YAMPA RIVER BASIN377640 2 377649 1 8 9 0.002 4 <br />6 DINOSAUR MONUMENT4894 6 4894 3 3 0.006 1 <br />7 WHITE RIVER BASIN239994 0 239998 8 4 8 0.002 0 <br />8 SAN JUAN RIVER BASIN370657 4 370664 7 7 3 0.002 0 <br />9 TOTAL SUM.2467755 7 - -- 54 0 0.002 2 <br />Table 18: River Basins (250k) <br /># River Basins (250k) GRASS Arc/Info Acre diff. % error <br />1 COLORADO RIVER BASIN628463 2 628477 4 14 2 0.002 3 <br />2 GUNNISON RIVER BASIN514027 8 514038 2 10 4 0.002 0 <br />3 DOLORES RIVER BASIN281021 6 281028 0 6 4 0.002 3 <br />4 GREEN RIVER BASIN50795 0 50795 6 6 0.001 2 <br />5 YAMPA RIVER BASIN377905 3 377914 2 8 9 0.002 4 <br />6 WHITE RIVER BASIN239980 1 239984 9 4 8 0.002 0 <br />7 DINOSAUR MONUMENT4929 4 4929 4 0 0.000 0 <br />8 SAN JUAN RIVER BASIN370732 4 370741 0 8 6 0.002 3 <br />9 TOTAL SUM.2467854 8 - -- 53 9 0.002 2 <br />Table 19: Soil Types <br /># Soil Types GRASS Arc/Info Acre diff. % error <br />1 CLAY11894 4 11894 8 4 0.003 4 <br />2 SILTY_CLAY28703 0 28702 8 2 0.000 7 <br />3 SANDY_CLAY230845 4 230858 4 13 0 0.005 6 <br />4 CLAY_LOAM286966 5 286970 7 4 2 0.001 5 <br />5 SILT8758 4 8758 4 0 0.000 0 <br />6 LOAM1433483 2 1433520 8 37 6 0.002 6 <br />7 SANDY_LOAM420722 4 420734 1 11 7 0.002 8 <br />8 LOAMY_SAND40935 0 40934 5 5 0.001 2 <br />9 WATER4388 6 4389 1 5 0.011 4 <br />1 0 TOTAL SUM.2466696 9 - -- 68 1 0.002 8 <br />Page 10 <br />01/03/97 2.03-03 - Lange <br />
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