Bathymetry survey of Crater Lake started on July 28, 2000. Scientists
University of New Hampshire's Center
for Coastal and Ocean Mapping, and National
Park Service used the latest high-resolution multi-beam technology
to conduct a new survey of the lake bottom.
Click on the following to view and learn more about mapping Crater Lake
on July 2000:
Introduction to the Bathymetry Survey
Images from the Bathymetry Survey
Crater Lake Fly-by Movie
Click here for a review of the new and old mapping technology of Crater
Mapping Crater Lake, July 2000
Mapping Crater Lake, July 1886
For more information, please visit
Pacific Seafloor Mapping, Crater Lake.
Bathymetry data have been reprojected to the following projection: UTM
NAD27 zone 10. The bathymetry data are mosaicked with the 10-m DEM
data. The data are provided in a variety of formats for your convenience.
The .dem file is viewable using a USGS program called Dem3D.
2000 Bathymetry Survey
(2-m resolution, .dem format, 25 MB compressed, 115 MB uncompressed).
(2-m resolution, ArcInfo grid in .e00 format, 43 MB compressed, 273
(2-m resolution, ArcInfo grid in .e00 format, 50 MB compressed, 286
(10-m resolution, .dem format, 28 MB compressed, 103 MB uncompressed).
mosaicked with bathymetry
(10-m resolution, .jpg format with world file, 2 MB compressed and uncompressed).
Metadata for 2000
For more information please visit the http://wrgis.wr.usgs.gov/dds/dds-72/site/data.htm.
1959 Bathymetry Survey
(30-m resolution, .dem format, 420 KB compressed, 3 MB uncompressed).
DEM mosaicked with
(30-m resolution, .dem format, 3 MB compressed, 13 MB uncompressed).
Metadata not available for 1959 Bathymetry Survey