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Title: Snake River Plain Geothermal Play Fairway Analysis Project MT Data

Abstract

MT is measured in the field by using induction coils to measure the time-varying magnetic source for frequencies between 1000-0.001~Hz, and electric dipoles to measure the Earth's electrical response. Because the magnetic source field is polarized, orthogonal directions of the fields need to be measured to get a complete description of the fields. In all measurements collected for this project, induction coils and electric dipoles were aligned with geomagnetic north and east. MT data were collected at 22 stations with a ZEN 32-bit data logger developed by Zonge International, magnetic fields were measured with ANT-4 induction coils, and electric fields where measured with Ag-AgCl reference electrodes from Borin on 50~m dipoles. The data was collected on a repeating schedule of 10~min at 4096~samples/s and 7 hours and 50 minutes at 256 samples/s over a 20-24 hour period. To convert time series data into the frequency domain and get estimations of the impedance tensor, the processing code BIRRP was used (Chave & Thompson 2004). Simultaneous measurements were used as remote references to reduce noise and bias in the data. Chave, A. D., & Thomson, D. J. 2004. Bounded inuence magnetotelluric response function estimation. Geophys. J. Int., 157, 988-1006.

Creator(s)/Author(s):
; ;
Publication Date:
Other Number(s):
1103
DOE Contract Number:  
EE0006733
Product Type:
Dataset
Research Org.:
DOE Geothermal Data Repository; United States Geological Survey
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Geothermal Technologies Program (EE-2C)
Subject:
15 Geothermal Energy
Keywords:
geothermal; energy; Snake River Plain; PFA; play fairway analysis; Idaho; Camas; Prairie; magnetotellurics; MT; data; resistivity; conductivity; electrical; geophysics; geophysical; SRP
OSTI Identifier:
1493809
DOI:
10.15121/1493809

Citation Formats

Peacock, Jared, Shervais, John, and Glen, Jonathan. Snake River Plain Geothermal Play Fairway Analysis Project MT Data. United States: N. p., 2018. Web. doi:10.15121/1493809.
Peacock, Jared, Shervais, John, & Glen, Jonathan. Snake River Plain Geothermal Play Fairway Analysis Project MT Data. United States. doi:10.15121/1493809.
Peacock, Jared, Shervais, John, and Glen, Jonathan. 2018. "Snake River Plain Geothermal Play Fairway Analysis Project MT Data". United States. doi:10.15121/1493809. https://www.osti.gov/servlets/purl/1493809. Pub date:Sun May 06 00:00:00 EDT 2018
@article{osti_1493809,
title = {Snake River Plain Geothermal Play Fairway Analysis Project MT Data},
author = {Peacock, Jared and Shervais, John and Glen, Jonathan},
abstractNote = {MT is measured in the field by using induction coils to measure the time-varying magnetic source for frequencies between 1000-0.001~Hz, and electric dipoles to measure the Earth's electrical response. Because the magnetic source field is polarized, orthogonal directions of the fields need to be measured to get a complete description of the fields. In all measurements collected for this project, induction coils and electric dipoles were aligned with geomagnetic north and east. MT data were collected at 22 stations with a ZEN 32-bit data logger developed by Zonge International, magnetic fields were measured with ANT-4 induction coils, and electric fields where measured with Ag-AgCl reference electrodes from Borin on 50~m dipoles. The data was collected on a repeating schedule of 10~min at 4096~samples/s and 7 hours and 50 minutes at 256 samples/s over a 20-24 hour period. To convert time series data into the frequency domain and get estimations of the impedance tensor, the processing code BIRRP was used (Chave & Thompson 2004). Simultaneous measurements were used as remote references to reduce noise and bias in the data. Chave, A. D., & Thomson, D. J. 2004. Bounded inuence magnetotelluric response function estimation. Geophys. J. Int., 157, 988-1006.},
doi = {10.15121/1493809},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {5}
}

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