1.4 Webber PDF.pdf
1.4 Webber PDF.pdf
1.4 Webber PDF.pdf
SHOW LESS
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Water Data Are Sparse, Error-prone, andInconsistent in the USA• USGS data-collection is infrequent– last survey on water consumption: 1995– last survey on water withdrawals: 2000 (2005)• Errors in national databases (Egrid, etc.)– differences between state and federal reporting– unclear definitions:• use vs. withdrawal vs. consumption vs. diversion– different units• East: gallons• West: acre-feetMichael E. <strong>Webber</strong>, Ph.D.Energy and Water 34March 5, 2011
Change language