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Scientific Investigations Report 2014–5054


Evaluation of Alternative Groundwater-Management Strategies for the Bureau of Reclamation Klamath Project, Oregon and California


Table 1. Summary of alternative groundwater-management strategies evaluated, upper Klamath Basin, Oregon and California. 


[Shading used to emphasize the constraint limits that are changed from their base-case values. Constraint limits: OR, Oregon; CA, California; KRBA, Klamath Basin Restoration Agreement. DD_1 and DD_2, strategies with less restrictive drawdown limits at constraint locations in California; DD_3, strategy with more restrictive drawdown limits at all constraint locations; Drain_10 and Drain_05, strategies with more restrictive drains-constraint limits]

Groundwater-management strategy Constraint limits
Seasonal drawdown (feet)   Year-to-year drawdown (feet)   Decadal drawdown (feet)   Change in groundwater discharge (percent baseline)
OR CA OR CA OR CA Drains KBRA
Base case 25 25 3 3 25 25 20 6
DD_1 25 37.5 3 4.5 25 25 20 6
DD_2 25 50 3 6 25 25 20 6
DD_3 20 20 2 2 20 20 20 6
Drain_10 25 25 3 3 25 25 10 6
Drain_05 25 25 3 3 25 25 5 6
Increase pumping capacity 25 25 3 3 25 25 20 6
Remove background pumping 25 25 3 3 25 25 20 6

First posted April 23, 2014

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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