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Geophysical surveys of Bear Lake, Utah-Idaho, September, 2002

October 1, 2003

The U.S. Geological Survey, in cooperation with researchers from several universities, has been studying the sediments of Bear Lake since 1996. The general purpose of this effort is to reconstruct past limnological conditions and regional climate on a range of timescales, from hundreds of years to hundreds of thousands of years. The objectives of the September, 2002 operations, preliminarily reported here, were (1) to compile a detailed bathymetric map of the lake using swath-mapping techniques, in order to provide baseline data for a variety of applications and studies, and (2) to complete a sidescan-sonar survey of the lake, providing a nearly complete acoustic image of the lake floor. Limited amounts of subbottom acoustic-reflection data (chirp) were also collected, along with samples of lake-floor sediments representative of different kinds of backscatter patterns.

Publication Year 2003
Title Geophysical surveys of Bear Lake, Utah-Idaho, September, 2002
DOI 10.3133/ofr03150
Authors Jane F. Denny, Steve M. Colman
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 2003-150
Index ID ofr03150
Record Source USGS Publications Warehouse