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Acoustic Waves From a Distant Explosion Recorded on a Continuously Ascending Balloon in the Middle Stratosphere

Journal Article · · Geophysical Research Letters
DOI:https://doi.org/10.1029/2023GL104031· OSTI ID:2202991
 [1];  [2];  [3];  [1]
  1. Infrasound Laboratory University of Hawai'i at Manoa Honolulu HT USA
  2. Sandia National Laboratories Geophysical Detection Programs Albuquerque NM USA
  3. Nevada National Security Site Albuquerque NV USA
Abstract

A helium‐filled mylar balloon carrying a smartphone and infrasound sensors ascended to a stratospheric height of 35 km over the surface detonation of a chemical explosive, with a total acoustic propagation distance of 127 km. The smartphone was configured to collect multi‐modal data at high rates from internal sensors. Analysis of the data shows successful collection of the explosion signal by both the smartphone's microphone and its accelerometers, the first from an ascending balloon. Comparison of the acoustic signal with that collected by other infrasound sensors, both airborne and ground‐based, provides insight into the possibilities and limitations of collecting acoustic data from the stratosphere.

Research Organization:
Georgia Institute of Technology, Atlanta, GA (United States); University of Michigan, Ann Arbor, MI (United States)
Sponsoring Organization:
USDOE; USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
Grant/Contract Number:
NA0003525; NA0003624; NA0003920; NA0003921
OSTI ID:
2202991
Alternate ID(s):
OSTI ID: 2202994
OSTI ID: 2283163
OSTI ID: 2283179
Journal Information:
Geophysical Research Letters, Journal Name: Geophysical Research Letters Journal Issue: 20 Vol. 50; ISSN 0094-8276
Publisher:
American Geophysical Union (AGU)Copyright Statement
Country of Publication:
United States
Language:
English

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