Location of Gwynns Falls watershed relative to the Patuxent
watershed, cities of Balitmore and Washington DC
There is still some controversy regarding the contour of the watershed. The "official" watershed delineation does not quite match what we get if we do the watershed delineation based on the elevation data using ARC/INFO watershed program.
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Gwynns Falls river network (shown red) based on 30m resolution
MD DNR digital elevation data compared to the TIGER river network and watershed delineation (white). |
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Gwynns Falls watershed delineation based on 30m resolution MD DNR
digital elevation data (shown red) compared to the TIGER watershed delineation. Some problems. |
For calibration purposes we use the subwatershed ending at
the VIlla-Nova USGS gaging station.
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