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The portable hand streamer; rapid seismic imaging for shallow targets

Lee M. Liberty and L. Thomas Otheim
The portable hand streamer; rapid seismic imaging for shallow targets (in The future of applied geophysics, Michael J. Wilt (prefacer), Yaoguo Li (prefacer) and Chester J. Weiss (prefacer))
Leading Edge (Tulsa, OK) (February 2024) 43 (2): 95-101


In this paper, we introduce a portable hand streamer seismic system. The system is appropriate for characterizing the mechanical properties of geologic and engineered materials in the upper 5 to 10 m depth and for reflection imaging from tens to hundreds of meters depth. Unlike other seismic land streamer systems that are typically pulled behind a vehicle with a long string of geophones, our recording system and electric seismic source are contained within an electric utility cart to allow ease of mobility for a single operator. Our 48-channel contact-coupled streamer is tethered to the cart to enable low-effort data collection. Similar to a ground-penetrating radar system, this approach allows rapid data collection on roads, sidewalks, undeveloped paths, and native materials. Signal processing through standard surface- and body-wave approaches follows data collection. We present three case studies where we (1) map Quaternary and older strata to identify active faulting, (2) map shallow bedrock, and (3) identify the footprint of previous subsurface engineered structures. We suggest that this low-cost tool and approach can be used for decameter-scale subsurface site characterization in two or three dimensions. Future advances involve the integration of an autonomous vehicle with a fully programmable seismic source and wholly automated signal processing to enable real-time analysis of shallow seismic data.

ISSN: 1070-485X
EISSN: 1938-3789
Serial Title: Leading Edge (Tulsa, OK)
Serial Volume: 43
Serial Issue: 2
Title: The portable hand streamer; rapid seismic imaging for shallow targets
Title: The future of applied geophysics
Author(s): Liberty, Lee M.Otheim, L. Thomas
Author(s): Wilt, Michael J.prefacer
Author(s): Li, Yaoguoprefacer
Author(s): Weiss, Chester J.prefacer
Affiliation: Boise State University, Department of Geosciences, Boise, ID, United States
Affiliation: Lawrence Berkeley National Laboratory, Earth and Environmental Sciences, Berkeley, CA, United States
Pages: 95-101
Published: 202402
Text Language: English
Publisher: Society of Exploration Geophysicists, Tulsa, OK, United States
References: 20
Accession Number: 2024-023782
Categories: Applied geophysics
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sects.
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2024, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States. Reference includes data supplied by Society of Exploration Geophysicists, Tulsa, OK, United States
Update Code: 202414
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