Helicopter electromagnetic and magnetic geophysical survey data, portions of the North Platte and South Platte Natural Resources Districts, western Nebraska, May 2009
Open-File Report
2010-1259
Prepared in cooperation with the North Platte and South Platte Natural Resource Districts
By: B. D. Smith, J.D. Abraham, J. C. Cannia, B. J. Minsley, M. Deszcz-Pan, and L.B. Ball
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Abstract
This report is a release of digital data from a helicopter electromagnetic and magnetic survey that was conducted during June 2009 in areas of western Nebraska as part of a joint hydrologic study by the North Platte Natural Resource District (NRD), South Platte NRD, and U.S. Geological Survey (USGS). Flight lines for the survey totaled 937 line kilometers (582 line miles). The objective of the contracted survey, conducted by Fugro Airborne, Ltd., is to improve the understanding of the relation between surface-water and groundwater systems critical to developing groundwater models used in management programs for water resources. A unique aspect of the survey is the flight line layout. One set of flight lines was flown in a zig-zag pattern extending along the length of the previously collected airborne data. The success of this survey design depended on a well-understood regional hydrogeologic framework and model developed by the Cooperative Hydrologic Study of the Platte River Basin and the airborne geophysical data collected in 2008. Resistivity variations along lines could be related to this framework. In addition to these lines, more traditional surveys consisting of parallel flight lines, separated by about 400 meters were carried out for three blocks in the North Platte NRD, the South Platte NRD and in the area of Crescent Lakes. These surveys helped to establish the spatial variations of the resistivity of hydrostratigraphic units. An additional survey was flown over the Crescent Lake area. The objective of this survey, funded by the USGS Office of Groundwater, was to map shallow hydrogeologic features of the southwestern part of the Sand Hills that contain a mix of fresh to saline lakes.
Suggested Citation
Smith, B.D., Abraham, J., Cannia, J.C., Minsley, B., Deszcz-Pan, M., Ball, L., 2010, Helicopter electromagnetic and magnetic geophysical survey data, portions of the North Platte and South Platte Natural Resources Districts, western Nebraska, May 2009 (Version 1.1: December 10, 2010; Revised May 15, 2017): U.S. Geological Survey Open-File Report 2010-1259, Report: 33 p.; Downloads Directory, https://doi.org/10.3133/ofr20101259.
ISSN: 2331-1258 (online)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Helicopter electromagnetic and magnetic geophysical survey data, portions of the North Platte and South Platte Natural Resources Districts, western Nebraska, May 2009 |
| Series title | Open-File Report |
| Series number | 2010-1259 |
| DOI | 10.3133/ofr20101259 |
| Edition | Version 1.1: December 10, 2010; Revised May 15, 2017 |
| Year Published | 2010 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Crustal Geophysics and Geochemistry Science Center |
| Description | Report: 33 p.; Downloads Directory |
| Time Range Start | 2009-05-01 |
| Time Range End | 2009-05-31 |
| Projection | Universal Transverse Mercator |
| Online Only (Y/N) | Y |
| Additional Online Files (Y/N) | Y |