Bathymetry of Morse and Geist Reservoirs in central Indiana, 2016
Dates
Publication Date
2020-08-20
Start Date
2016-04-05
End Date
2016-05-18
Citation
Boldt, J.A., and Martin, Z.W., 2020, Bathymetry of Morse and Geist Reservoirs in central Indiana, 2016: U.S. Geological Survey data release, https://doi.org/10.5066/P9A2ITC6.
Summary
These data are high-resolution bathymetry (lake bottom elevation) in a gridded XYZ format, generated from hydrographic surveys of Morse and Geist Reservoirs in April and May of 2016. Hydrographic data were collected using a multibeam echo-sounder (MBES) with integrated inertial navigation solution (INS) mounted on a marine survey vessel. Data were collected as the vessel traversed the lake along survey lines distributed throughout the area. Data collection software integrated and stored the depth data from the multibeam sonar and the horizontal and vertical position and attitude data of the vessel from the INS in real time. In the shallow areas, additional data were collected with an acoustic Doppler current profiler (ADCP) and a real-time [...]
Summary
These data are high-resolution bathymetry (lake bottom elevation) in a gridded XYZ format, generated from hydrographic surveys of Morse and Geist Reservoirs in April and May of 2016. Hydrographic data were collected using a multibeam echo-sounder (MBES) with integrated inertial navigation solution (INS) mounted on a marine survey vessel. Data were collected as the vessel traversed the lake along survey lines distributed throughout the area. Data collection software integrated and stored the depth data from the multibeam sonar and the horizontal and vertical position and attitude data of the vessel from the INS in real time. In the shallow areas, additional data were collected with an acoustic Doppler current profiler (ADCP) and a real-time kinematic global positioning system (GPS). Data processing required computer software to extract bathymetry data from the raw data files and to summarize and map the information.
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Related External Resources
Type: Related Primary Publication
Boldt, J.A., and Martin, Z.W., 2020, Bathymetric surveys of Morse and Geist Reservoirs in central Indiana made with a multibeam echosounder, 2016, and comparison with previous surveys: U.S. Geological Survey Scientific Investigations Report, https://doi.org/10.3133/sir20205067.
Hydrographic data were collected along survey lines within the study area to capture the lake bottom elevation. Elevation-area-volume tables were calculated from these data to provide information for water availability and drought planning.
