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Title: Detection of Artificially Generated Seismic Signals Using Balloon-Borne Infrasound Sensors

Journal Article · · Geophysical Research Letters
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [2];  [2];  [2];  [3]; ORCiD logo [3]; ORCiD logo [4]
  1. California Inst. of Technology (CalTech), La Canada Flintridge, CA (United States). Jet Propulsion Lab.
  2. Institut Superieur de l'Aeronautique etde l'Espace-SUPAERO, Toulouse (France)
  3. California Inst. of Technology (CalTech), Pasadena, CA (United States). Seismological Lab.
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Here, we conducted an experiment in Pahrump, Nevada, in June 2017, where artificial seismic signals were created using a seismic hammer, and the possibility of detecting them from their acoustic signature was examined. In this work, we analyze the pressure signals recorded by highly sensitive barometers deployed on the ground and on tethers suspended from balloons. Our signal processing results show that wind noise experienced by a barometer on a free-flying balloon is lower compared to one on a moored balloon. This has never been experimentally demonstrated in the lower troposphere. While seismoacoustic signals were not recorded on the hot air balloon platform owing to operational challenges, we demonstrate the detection of seismoacoustic signals on our moored balloon platform. Our results have important implications for performing seismology in harsh surface environments such as Venus through atmospheric remote sensing.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States); Sandia National Laboratories, null
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); National Aeronautics and Space Administration (NASA)
Grant/Contract Number:
AC04-94AL85000; NA0003525
OSTI ID:
1441385
Report Number(s):
SAND--2018-3470J; 662015
Journal Information:
Geophysical Research Letters, Journal Name: Geophysical Research Letters Journal Issue: 8 Vol. 45; ISSN 0094-8276
Publisher:
American Geophysical UnionCopyright Statement
Country of Publication:
United States
Language:
English

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