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  4. Elevation-bathymetry models for the Lake Superior region

Elevation-bathymetry models for the Lake Superior region

Dates

Publication Date

Citation

Anderson, E.D., and Grauch, V.J.S., 2018, Updated aeromagnetic and gravity anomaly compilations and elevation-bathymetry models over Lake Superior: U.S. Geological Survey data release, https://doi.org/10.5066/F7F18X8S.

Summary

New land-bathymetry and land-lake surface elevation models were produced for the Lake Superior region. The models combine Shuttle Radar Topography Mission (SRTM) topography data with lake surface elevation and bathymetry data sets for Lakes Superior, Michigan, and Huron. The SRTM data set was chosen because it spans the international border and has relatively high resolution at 30 m cell size. These data were subsequently used for aeromagnetic data processing and gravity data reduction.

Contacts

Point of Contact :
Southwest Region
Originator :
Eric D Anderson, V. J. S Grauch
Metadata Contact :
Eric D Anderson
Distributor :
U.S. Geological Survey - ScienceBase
Publisher :
U.S. Geological Survey
USGS Mission Area :
Energy and Minerals
SDC Data Owner :
Mineral Resources Program

Attached Files

Click on title to download individual files attached to this item.

LakeSupRegTopo_FGDC.xml
“Metadata”
Original FGDC Metadata
View 		15.28 KB application/fgdc+xml
Bathymetry.png
“Preview” 		thumbnail 634.23 KB image/png
LakeSupRegTopo.tfw
“Tiff world file” 		91 Bytes text/plain

“Topography with lake surface” 		1.32 GB image/geotiff
LakeSupRegTopoBath.tfw
“Tiff world file” 		91 Bytes text/plain

“Topography with bathymetry” 		1.9 GB image/geotiff

Purpose

The purpose is to provide to the public a compilation of land and bathymetry models covering the Lake Superior region. These data provide a common datum for aeromagnetic and gravimetric data processing and interpretations. In addition, the models are helping constrain on-going 3D geologic modeling of the North American Midcontinent Rift System (for example, Van Schmus and Hinze, 1985) and associated mineral systems.
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