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Scientific Investigations Report 2012–5062


Groundwater Simulation and Management Models for the Upper Klamath Basin, Oregon and California


Table 5. Sensitivity of optimization model results to changes in seasonal drawdown limit (equations 26–27).


[All volumes are in acre-feet. Abbreviations: TID, Tulelake Irrigation District wells; KV, Klamath Valley wells; ULR, upper Lost River wells; NTL, Northern Tule Lake subbasin wells; STL, Southern Tule Lake subbasin wells; LKL, Lower Klamath Lake wells; Q3, third quarter; Q4, fourth quarter]

Well group
and water-year
quarter
Seasonal drawdown limit, in feet
10 15 20 (base) 25 30
TID, Q3 976 831 705 886 1,066
TID, Q4 434 398 470 271 18
ULR, Q3 1,283 1,500 1,699 1,880 2,042
ULR, Q4 904 1,066 1,229 1,356 1,482
KV, Q3 13,647 16,123 17,352 18,220 18,364
KV, Q4 10,972 11,695 11,460 11,044 10,230
NTL, Q3 5,151 3,615 3,290 3,181 3,181
NTL, Q4 3,037 2,693 1,518 1,518 1,319
STL, Q3 9,164 10,899 11,731 12,381 12,869
STL, Q4 4,898 4,537 4,808 4,067 4,609
LKL, Q3 759 940 1,085 1,211 1,338
LKL, Q4 651 850 940 904 831
    Total 51,875 55,147 56,286 56,918 57,352

First posted May 5, 2012

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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