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Title: Identification of dominant gas transport frequencies during barometric pumping of fractured rock

Abstract

We demonstrate that although barometric pressures are complicated signals comprised of numerous frequencies, it is a subset of these frequencies that drive the overwhelming majority of gas transport in fractured rock. Using an inverse numerical analysis, we demonstrate that a single barometric component with seasonally modulated amplitude approximates gas transport due to a measured barometric signal. If past barometric tendencies are expected to continue at a location, the identification of this frequency can facilitate accurate long term predictions of barometrically induced gas transport negating the need to consider stochastic realizations of future barometric variations. Additionally, we perform an analytical analysis that indicates that there is a set of barometric frequencies, consistent with the inverse numerical analysis, with high production efficiency. Based on the corroborating inverse numerical and analytical analyses, we conclude that there is a set of dominant gas transport frequencies in barometric records.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA). Office of Defense Nuclear Nonproliferation R&D (NA-22)
OSTI Identifier:
1544706
Report Number(s):
LA-UR-19-23637
Journal ID: ISSN 2045-2322
Grant/Contract Number:  
89233218CNA000001
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 9; Journal Issue: 1; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; underground nuclear test; barometric pumping; gas seepage

Citation Formats

Harp, Dylan Robert, Ortiz, John Philip, and Stauffer, Philip H. Identification of dominant gas transport frequencies during barometric pumping of fractured rock. United States: N. p., 2019. Web. doi:10.1038/s41598-019-46023-z.
Harp, Dylan Robert, Ortiz, John Philip, & Stauffer, Philip H. Identification of dominant gas transport frequencies during barometric pumping of fractured rock. United States. doi:10.1038/s41598-019-46023-z.
Harp, Dylan Robert, Ortiz, John Philip, and Stauffer, Philip H. Tue . "Identification of dominant gas transport frequencies during barometric pumping of fractured rock". United States. doi:10.1038/s41598-019-46023-z. https://www.osti.gov/servlets/purl/1544706.
@article{osti_1544706,
title = {Identification of dominant gas transport frequencies during barometric pumping of fractured rock},
author = {Harp, Dylan Robert and Ortiz, John Philip and Stauffer, Philip H.},
abstractNote = {We demonstrate that although barometric pressures are complicated signals comprised of numerous frequencies, it is a subset of these frequencies that drive the overwhelming majority of gas transport in fractured rock. Using an inverse numerical analysis, we demonstrate that a single barometric component with seasonally modulated amplitude approximates gas transport due to a measured barometric signal. If past barometric tendencies are expected to continue at a location, the identification of this frequency can facilitate accurate long term predictions of barometrically induced gas transport negating the need to consider stochastic realizations of future barometric variations. Additionally, we perform an analytical analysis that indicates that there is a set of barometric frequencies, consistent with the inverse numerical analysis, with high production efficiency. Based on the corroborating inverse numerical and analytical analyses, we conclude that there is a set of dominant gas transport frequencies in barometric records.},
doi = {10.1038/s41598-019-46023-z},
journal = {Scientific Reports},
number = 1,
volume = 9,
place = {United States},
year = {2019},
month = {7}
}

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Works referenced in this record:

Detection and analysis of xenon isotopes for the comprehensive nuclear-test-ban treaty international monitoring system
journal, January 2002

  • Bowyer, T. W.; Schlosser, C.; Abel, K. H.
  • Journal of Environmental Radioactivity, Vol. 59, Issue 2, p. 139-151
  • DOI: 10.1016/S0265-931X(01)00042-X