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Western Lake Erie Restoration Assessment Degree Flowlines

Dates

Publication Date

Citation

Jaenicke, M.E., Hopkins, A.L., Kowalski, K.P., Bozimowski, A.A., and Sanocki, C.A., 2024, Western Lake Erie Restoration Assessment Degree Flowlines: U.S. Geological Survey data release, https://doi.org/10.5066/P9YHM9Y0.

Summary

The U.S. Geological Survey (USGS) created geospatial datasets of potential culvert locations along with flowlines connected to southwestern Lake Erie as part of the Western Lake Erie Restoration Assessment (WLERA). The Degree Flowlines and Culverts datasets represent the flowline network and culverts in the WLERA study area. Both datasets will be served in the Great Lakes Wetlands Restoration Area mapping application [https://glcwra.wim.usgs.gov/]. The map-based user interface can be used by stakeholders to find potential areas for successful wetlands restoration. Each flowline was assigned a connectivity score describing its level of connectedness to Lake Erie. Low numbers represent fewer disconnections, such as culverts or road crossings, [...]

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Attached Files

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WLERA_Culverts.zip 33.57 KB application/zip
WLERA_DegreeFlowlines.zip 1.11 MB application/zip
Shapefile: WLERA Study Area thumbnail image.zip
WLERA_StudyArea_WebMercator.cpg 5 Bytes
WLERA_StudyArea_WebMercator.dbf 179 Bytes
WLERA_StudyArea_WebMercator.prj 411 Bytes
WLERA_StudyArea_WebMercator.qmd 2.01 KB
WLERA_StudyArea_WebMercator.shp 7.09 MB
WLERA_StudyArea_WebMercator.shx 108 Bytes

Purpose

The purpose of the Degree Flowlines dataset is to quantify the degrees of hydraulic separation between each National Hydrologic Dataset (NHD) reach (stream) and Lake Erie. The higher the degree of separation, the less connected the river/stream is to the hydroperiod of the lake. Ultimately, reducing hydrologic disconnections of the coastal areas to the Great Lakes would benefit a coastal wetland restoration project. The culverts point layer indicates potential locations of culverts and other hydraulic control structures. This layer is important to understand the hydrologic connection between the coastal area and Lake Erie. It is provided for documentation of the interim step of the Degree Flowlines layer creation. The culverts dataset is not meant to be an exhaustive catalog of all culverts within the study area, rather only the ones through which NHD streams flow.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9YHM9Y0

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