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SPDSS_Task59-1_Develop Locally Calibrated Blaney-Criddle Crop Coefficients
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SPDSS_Task59-1_Develop Locally Calibrated Blaney-Criddle Crop Coefficients
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Last modified
4/17/2013 9:31:25 AM
Creation date
5/27/2008 11:15:46 AM
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Decision Support Systems
Title
SPDSS Task 59.1 - Develop Locally Calibrated Blaney-Criddle Crop Coefficients
Description
This memorandum presents the recommended regional Blaney-Criddle crop coefficients for use in the SPDSS CU analysis. Revised January 11, 2008
Decision Support - Doc Type
Task Memorandum
Date
1/11/2008
DSS Category
Consumptive Use
DSS
South Platte
Basin
South Platte
Contract/PO #
C153954
Grant Type
Non-Reimbursable
Bill Number
SB01-157, HB02-1152, SB03-110, HB04-1221, SB05-084, HB06-1313, SB07-122
Prepared By
Leonard Rice Engineering
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SPDSS_Task59-1_Develop Locally Calibrated Blaney-Criddle Crop Coefficients
Last modified:
4/17/2013 9:31:25 AM
Path:
\Decision Support Systems\DayForward
Comments:
2008 Revision
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Table 8 <br />TR-21 and Calibrated Crop Coefficients for Grass Pasture 1 <br /> Calibrated Coefficients <br />Day of Year TR-21 High <br />Altitude ~ Upper <br />Plains Lower <br />Plains <br />1 0.480 0.00 0.480 0.480 <br />15 0.470 0.00 0.470 0.470 <br />32 0.525 0.00 0.525 0.525 <br />46 0.575 0.00 0.575 0.575 <br />60 0.640 0.00 1.280 0.640 <br />74 0.740 0.00 1.480 0.740 <br />91 0.815 0.00 1.643 1.946 <br />105 0.855 0.00 1.723 2.041 <br />121 0.880 1.18 1.278 1.396 <br />135 0.900 1.18 1.307 1.428 <br />152 0.915 1.40 1.104 1.240 <br />166 0.920 1.40 1.110 1.247 <br />182 0.925 1.22 0.947 1.039 <br />196 0.925 1.22 0.947 1.039 <br />213 0.915 0.81 0.908 1.012 <br />227 0.905 0.81 0.898 1.001 <br />244 0.890 0.86 1.150 1.303 <br />258 0.870 0.86 1.124 1.274 <br />274 0.840 0.75 1.557 1.753 <br />288 0.795 0.75 1.474 1.659 <br />305 0.735 0.00 0.735 0.735 <br />319 0.670 0.00 0.670 0.670 <br />335 0.605 0.00 0.605 0.605 <br />349 0.550 0.00 0.550 0.550 <br />366 0.480 0.00 0.480 0.480 <br />' Calibrated crop coefficients can be used to estimate potential crop consumptive <br />use under full water supply conditions. <br />z High Altitude Coefficients to be used with original Blaney-Griddle methods; all <br />others to be used with modified Blaney-Griddle. <br />Task59_l.doc (updated January 11, 2008) 17 of 32 <br />
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