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The NYCDEP Stream Management Program (SMP) is responsible for developing stream management plans for NYC water supply watersheds in the Catskill Mountains, New York State. This mostly forested region of Pleistocene glacial deposits over sedimentary rocks ranges in elevation from approximately 600 to 4,120 feet above sea level; average annual precipitation ranges from 36 to >60 inches/year. The SMP uses fluvial geomorphology as a framework for stream assessment, restoration and monitoring. Bankfull discharge, a common surrogate for channel forming discharge, forms a basis for assessing and classifying stream morphology (Rosgen, 1994). The SMP documented bankfull discharge and associated stream geometry for 41 cross...
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This tabular data set contains information on bankfull depth, width and cross-sectional area for each NHDPlus version 2.1 data suite (NHDPlusv2) flowline (Moore and Dewald, 2016) for the conterminous United States. These data were created using regional regression equations outlined in Bieger and others (2015). The equations predict bankfull width, depth and cross-sectional area as a function of drainage area for eight Physiographic Divisions of the conterminous United States (Fenneman, 1946).
Straightened channels and altered and drained adjacent riparian wetlands have adversely impacted streams and rivers throughout the US Midwest. This research investigated the biological connection and water quality of a 0.07 ha diversion wetland and adjacent stream at the Olentangy River Wetland Research Park in central Ohio. Before the flowthrough conditions were established, we demonstrated with mark and recapture techniques that the wetland already was a biorefuge for fish under extreme conditions; two species (Centrarchidae) captured in the stream before a total drawdown of the stream were found in the wetland a year later. In addition, water at the bottom remained at around 4 °C over the winter likely due to...
    map background search result map search result map Attributes for NHDPlus Version 2.1 Flowlines for the Conterminous United States: Bankfull Hydraulic Geometry Related to Physiographic Divisions Attributes for NHDPlus Version 2.1 Flowlines for the Conterminous United States: Bankfull Hydraulic Geometry Related to Physiographic Divisions