The Influence of Dams on Downstream Channels in Pennsylvania and Maryland: Implications for the Long-term Effects of Dam Removal

Skalak, K.S., Pizzuto, J.E., and Hart, D.H. in press. The influence of dams on downstream channel characteristics in Pennsylvania and Maryland: implications for the long-term geomorphic effects of dam removal.  Journal of the American Water Resources Association.

Channel morphology downstream of 11 run-of-the-river dams in Pennsylvania and Maryland appears to be unaffected by the presence of the dam, likely due to bedrock exposures, inerodible cohesive vegetated banks, and low sediment supply.


The bed material below these dams is slightly depleted in finer-grained sediment.  Coarser-grained fractions of the bed material are not influenced by the presence of the dams.


Dam removal in streams similar to those of our study area should not cause significant long-term geomorphic changes!

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