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Scientific Investigations Report 2011-5105


Modeling Hydrodynamics, Water Temperature, and Water Quality in the Klamath River Upstream of Keno Dam, Oregon, 2006–09


Table 7. Results from sensitivity testing demonstrating the effect of changing model parameter values by 20 percent for the period June through October 2007 for the Klamath River upstream of Keno Dam, Oregon. 


[See tables 4–5 for more details on each parameter]


Model parameter or input   Model output
Whole reach, percent change June–October
Parameter Percent
change
Water
temperature
Dissolved
oxygen
Blue-green
algae
Ammonia Ortho-
phosphorus
WSC -20 0 -6 1 -1 -1
+20 -1 4 0 0 0
EXH2O -20 0 4 5 3 -2
+20 0 -3 -4 -2 1
BETA -20 0 0 0 0 0
+20 0 0 0 0 0
AG, blue-green -20 0 -10 -16 -9 4
+20 0 12 19 10 -5
AR, blue-green -20 0 1 2 -1 -1
+20 0 -1 -2 1 0
AM, blue-green -20 0 4 19 7 -1
+20 0 -3 -13 -5 1
AS, blue-green -20 0 9 16 -3 -4
+20 0 -7 -13 2 3
ASAT, blue-green -20 0 0 0 0 0
+20 0 0 0 0 0
AT2, blue-green -20 0 2 -1 1 -1
+20 0 -4 1 -3 2
LDOMDK -20 0 2 0 -1 -1
+20 0 -1 0 1 0
LPOMDK -20 0 4 -1 -4 -1
+20 0 -3 1 3 1
POMS -20 0 3 -1 1 0
+20 0 -3 1 -1 -1
NH4DK -20 0 0 0 0 0
+20 0 0 0 0 0
NH4R -20 0 0 0 0 0
+20 0 0 0 0 0
NO3DK -20 0 0 0 0 0
+20 0 0 0 0 0
PO4R -20 0 0 0 0 0
+20 0 7 0 0 0
Reaeration coefficient 1 -20 0 0 0 0 0
+20 0 0 0 0 0
Reaeration coefficient 2 -20 0 -2 0 0 0
+20 0 2 0 0 0
Reaeration coefficient 3 -20 0 -4 0 0 0
+20 0 6 0 0 0

First posted July 14, 2011

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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