U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications

NOAA-NMFS-NWFSC TM-35: Chinook Status Review

Figure 7. Duration of high flows (number of months when flow is equal to or exceeds 50% of peak monthly flow) for selected river basins in Alaska, British Columbia, Washington, Oregon, California, and Idaho. Based on USGS streamflow data (Hydrosphere Data Products, Inc. 1993) and Inland Water Directorate streamflow data (Environment Canada 1991) (modified from Weitkamp et al. 1995).


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