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The NOAA Office for Coastal Management has developed high-resolution digital elevation models (DEMs) for use in the Office's Lake Level Viewer internet mapping application. These DEMs serve as source datasets used to derive data to visualize the impacts of inundation and shore exposure resulting from lake level change along the coastal United States in the Great Lakes |
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The NOAA Office for Coastal Management has developed high-resolution digital elevation models (DEMs) for use in the Office's Lake Level Viewer internet mapping application. These DEMs serve as source datasets used to derive data to visualize the impacts of inundation and shore exposure resulting from lake level change along the coastal United States in the Great Lakes |
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NOAA Office of Coastal Management |
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<DIV STYLE="text-align:Left;font-size:12pt"><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>These data were created as part of the National Oceanic and Atmospheric Administration Office for Coastal Management's efforts to create an online mapping viewer called the NOAA Lake Level Viewer. It depicts potential lake level rise and fall and its associated impacts on the nation's coastal areas. The purpose of the mapping viewer is to provide coastal managers and scientists with a preliminary look at lake level change, coastal flooding impacts, and exposed lakeshore. The viewer is a screening-level tool that uses nationally consistent data sets and analyses. Data and maps provided can be used at several scales to help gauge trends and prioritize actions for different scenarios. The NOAA Lake Level Viewer may be accessed at: https://coast.noaa.gov/llv.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN> </SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN> This metadata record describes the Lake Superior digital elevation model (DEM), which is a part of a series of DEMs produced for the National Oceanic and Atmospheric Administration Office for Coastal Management's Lake Level Viewer described above. This DEM includes the best available lidar, US Army Corps of Engineer dredge surveys, and National Park Service multibeam data known to exist at the time of DEM creation that met project specifications. This DEM includes data for Alger, Baraga, Chippewa, Gogebic, Houghton, Keweenaw, Luce, Marquette, and Ontonagon counties in Michigan; Cook, Lake, and St. Louis counties in Minnesota; and Ashland, Bayfield, Douglas, and Iron counties in Wisconsin.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN> </SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN> The DEM was produced from the following lidar data sets:</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN><SPAN> 1. 2007, USACE NCMP Topobathy Lidar: Lake Superior (Apostle Islands) and Lake Ontario (NY, WI)</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN> 2. 2008, USACE NCMP Topobathy Lidar: Lake Superior (Wisconsin and Michigan)</SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN> 3. 2010, EPA Great Lakes Restoration Initiative (GLRI) Bathymetric Lidar: Lake Superior (MI, MN, WI)</SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN>The DEM is referenced vertically to the North American Vertical Datum of 1988 (NAVD88) with vertical units of meters and horizontally to the North American Datum of 1983 (NAD83). The resolution of the DEM is approximately 3 meters.</SPAN></P></DIV> |
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<DIV STYLE="text-align:Left;font-size:12pt"><P><SPAN>The dataset is provided as is, without warranty to its performance, merchantable state, or fitness for any particular purpose. The entire risk associated with the results and performance of this dataset is assumed by the user. This dataset should be used strictly as a planning reference and not for navigation, permitting, or other legal purposes.</SPAN></P></DIV> |
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title:
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NOAA Office for Coastal Management Coastal Digital Elevation Model: Lake Superior |
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tags:
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["Bayfield Peninsula","Wisconsin","Apostle Islands National Lake Shore","Lake Superior","LiDAR","LAS","topobathymetry","Lake Depth","National Coastal Mapping Project","USACE NCMP","Lake Level Viewer","National Park Service","Office of Coastal Management","NOAA","Bark Point","Roman Point","Bark Bay","Siskiwit Bay","Mawikwe Bay","Eagle Island Shoals"] |
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en-US |
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