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San Dimas Experimental Forest, November 2009

Students from the Physical Hydrology class installed capacitance rods in the San Dimas Experimental Forest. The weirs in Bell Watersheds 1, 2, and 3 were no longer functioning because the stilling wells had be silted due to erosion after the 2002 Williams Fire.

We installed capacitance rods to measure water level behind the 120 degree v-notch weirs. These stage measurements will be converted to discharge using the weir rating curve.

watershed120° V-notch weir at Bell 1 Watershed. Note the sharp-edged steel plate.
CSULB Physical Hydrology Class 2009