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Last modified
1/26/2010 11:16:33 AM
Creation date
10/9/2006 3:09:41 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8040.950
Description
Section D General Studies - General Water Studies
State
CO
Basin
Statewide
Date
9/1/1981
Author
Colorado DNR
Title
Colorado Water Study - Background Volume - Preliminary Review Draft - Appendices
Water Supply Pro - Doc Type
Report/Study
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<br />001120 <br /> <br />Draft - 9/91 <br /> <br />TABLE 9 <br /> <br />Land Use Pattern for Increased Agricultural Production <br />in the Northwest Region <br /> <br />Year 2000 <br /> <br />Alfalfa <br /> <br /> Acreage of Acreage ofc <br /> Projected waterb New ~ew .- <br />1974a,d for Depletion Development Development <br />Land Use Expansion Per Acre Likely Estimate Hiah Estimate <br />Percent Percent Acre-Feet ~cres ~ <br />.62 2.00 .95 0 119 <br />.52 1.00 .95 0 59 <br />.25 1.00 .95 0 59 <br />11.55 30.00 2.04 0 1,774 <br />55.34 40.00 1.76 0 2,365 <br />31.72 26.00 1.76 ...L 1,537 <br />100.00 100.00 1.81 0 5,912 <br /> wt. avg. <br /> <br />Crop <br />Wheat <br />Barley <br />Oats <br /> <br />Other Hay <br />Pasture <br /> <br />I <br />- <br /> <br />a. Pasture and hay acreage were taken from the Census of Aqriculture, which is <br />published every five years. This section used Census data for the year 1969, pub- <br />lished in 1972. The changes in the data on pasture and hay between 1969-1974 are <br />insignificant for purposes of this au_~ysis. All other acreage data are from the <br />Colorado State Aqricultural Statistics and are constant for the year 1974 regard- <br />less of the year of their mst recent publication. The changes in land use pat- <br />terns between 1974 and the present only serve to reinforce the Projections for <br />Expansion made in this table. Thus, picking another base year and recomputing land <br />use relative to it would be a useless exercise, since the important variables for <br />computing "Acreage of New Development" are the "Percentage Projection for Expan- <br />sion" and the "Weighted Average Water Depletion per Acre." <br /> <br />b. Water Depletion equals the sum of consumptive use and incidental loss under <br />current technology and management. <br /> <br />c. Equivalent full irrigation based on available water of zero acre-feet for the <br />likely estimate and 10,700 acre-feet for the high estimate. (See Tables 1 and 2.) <br /> <br />d. Irrigated acreage for Jackson County was included in the data base for this <br />region because climatic considerations make its water consumption characteristics <br />similar to other Northwest counties. <br />
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