The purpose of this study was tp assist the Department of Energy (DOE) in determining the physical and economic availbility of land and water resources for energy farming. Ten water subbasins possessing favorable land and water availabilities were ranked,,acc.ord,ing to their •overall potential for biomas•s production. The study results cl~arly identify the Southeast as a favorable area for biomass farming. The Northwest and North-Central United States should alsu b~ consid~red on the basis of. t~eir highly favorable environmental characteristics. SRI prepared both high and low. e~timates of water availability for 1985 and 2000 iri each qf 99 subbasins. For the high (optimistic) estimate of water ~vailability (assuming instream flow requirements are 50% of u.s. Fish and Wildlife Service estimates in the year 2000), 6 subbasins are projected to have an excess supply of more than 50 trillion gallons per day, and 12• subbasins to have no excess supply. For the low (pessimistic) estimate (80% of USFWS estimates), 31 subbasins have no excess supply, 32 subbasins have excesses of 1 to 5 trillion gallons per day, and 36 subbasins have more than 5 trillion gallons per day of excess supply; only * References for each section of this report are listed at the end of the sections in which they are cited.
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