| Area | Mainstem Battle |
| Topic | Sediment: Median Particle Size (D50) at Main Battle WA Sites 2001-2002 |
| Caption: This chart shows the median particle size (D50) from pebble counts at lower mainstem Battle Creek Watershed Assessment sites. The reference lines on the chart are the EMDS model limits for D50 that represent optimal particle size ranges for salmonids. All sites are in response reaches (light blue) and sites #004 and #030 have optimal or partially functional D50 values according to EMDS. Lower sites (#054, #046 and #032) have small D50 values, which can represent recent sediment contributions (Dietrich et al., 1989). Abbreviations are ds = downstream and ab = above. Data from Terraqua (2004). See Info Links for more information. | |
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