Rationale and preliminary operational plan for a high-altitude magnetic survey over the United States

T.G. Hildenbrand; R.J. Blakely; R. E. Bracken; Lynn Edwards; Doug Hardwick; W. J. Hinze; Vic Labson; Hal Malliot; Misac Nabighian; Bruno Nilsson; Jeff Phillips; J.M. Quinn; Walter Roest

doi:10.3133/ofr96276

Rationale and preliminary operational plan for a high-altitude magnetic survey over the United States

Open-File Report 96-276

By: T.G. Hildenbrand, R.J. Blakely, R. E. Bracken, Lynn Edwards, Doug Hardwick, W. J. Hinze, Vic Labson, Hal Malliot, Misac Nabighian, Bruno Nilsson, Jeff Phillips, J.M. Quinn, and Walter Roest

https://doi.org/10.3133/ofr96276

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Abstract

A proposed high-altitude survey of the U.S. with an ER-2 to collect radar data offers an exciting and cost-effective opportunity to collect magnetic anomaly data. At this workshop, a group of magnetic specialists addressed this opportunity by discussing the need for high-altitude magnetic data and by formulating a preliminary operational plan to acquire such data. The high-altitude aeromagnetic survey would provide critical data needed to expand our knowledge of the geomagnetic field, with applications to a variety of earth science issues including geology, tectonics, core-processes, and rock-magnetism. Test flights with a cesium magnetometer indicate that the ER-2 has the potential to measure the magnetic field at an accuracy of 2 nT or better along flight lines. If the national ER-2 survey is carried out, the successful collection of high-altitude magnetic data hinges on establishing a consortium of federal and state agencies, private industry, and academic institutions to provide the identified resources.

Suggested Citation

Hildenbrand, T., Blakely, R., Bracken, R.E., Edwards, L., Hardwick, D., Hinze, W.J., Labson, V., Malliot, H., Nabighian, M., Nilsson, B., Phillips, J., Quinn, J., Roest, W., 1996, Rationale and preliminary operational plan for a high-altitude magnetic survey over the United States: U.S. Geological Survey Open-File Report 96-276, ii, 55 p., https://doi.org/10.3133/ofr96276.

ISSN: 2331-1258 (online)

Additional publication details
Publication type	Report
Publication Subtype	USGS Numbered Series
Title	Rationale and preliminary operational plan for a high-altitude magnetic survey over the United States
Series title	Open-File Report
Series number	96-276
DOI	10.3133/ofr96276
Year Published	1996
Language	English
Publisher	U.S. Geological Survey
Contributing office(s)	Volcano Hazards Program
Description	ii, 55 p.