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Seismic device designed for extraterrestrial research might help tackle climate change on the planet

Seismic device made for extraterrestrial research can help tackle climate change on earth
(a) Seismic source system popular for imaging and tabs on subsurface reservoirs. (b) Meter-scale continuous monitoring source system. (c) Centimeter-scale continuous monitoring source system developed in this study. Credit: Takeshi Tsuji

Underground carbon sequestration is really a promising method of fight climate change, yet you can find major obstacles to overcome before this technology could be applied on a big scale. A fresh study from Japan may address one particular obstacle by identifying how exactly to continuously and affordably monitor carbon reservoirs to detect leaks or other changes that want attention. This article, “4 cm Portable Active Seismic Source (PASS) for Meter- to Kilometer-Scale Imaging and Tabs on Subsurface Structures,” was published in Seismological Research Letters

Underground features like carbon reservoirs could be monitored using seismic waves, either generated by earthquakes or by man-made sources. But seismic monitoring typically requires large, expensive machinery, making continuous monitoring at the scales necessary for carbon reservoirs cost prohibitive and practically challenging.

A study group from the Graduate School of Engineering, The University of Tokyo and the International Institute for Carbon-Neutral Energy Research, Kyushu University is rolling out an ultra-compact, centimeter-scale seismic source that may address this issue by allowing continuous tabs on carbon reservoirs. Originally, the Portable Active Seismic Source (PASS) was created for extraterrestrial uses, such as for example geophysical research on the moon and Mars. However, there are numerous potential Earth-based applications for the PASS aswell.

As lead author and WPI Principal Investigator Professor Takeshi Tsuji explains, “Due to the device’s small size, the vibrations it produces are relatively weak, however when these vibrations are produced continuously, the resulting signals could be stacked together, allowing transmission over long distances. With a four-centimeter motor, the signal could possibly be transmitted one kilometerthe scale necessary for monitoring strata used to store skin tightening and.”

Its small size makes deploying and operating the PASS a lot more affordable than conventional seismic sources, which are usually several meters in proportions. The ultra-compact device could be powered by way of a 12-volt car battery, and will even be deployed by drone in areas which are otherwise inaccessible.

The researchers tested the PASS at two field sites, one on a riverbank and something on a tailings embankment in a mining area. In accordance with Professor Tsuji, “The PASS system has great prospect of a multitude of scientific and engineering applications, including monitoring for potential disasters such as for example landslides and volcanoes, and imaging man-made structures such as for example tunnels, dams, and embankments.”

The affordability and practicality of continuous subsurface monitoring by using this newly developed PASS technology, allowing detection of sudden changes in reservoirs which could result in CO2 leakage, ensure it is particularly valuable for the development of projects. This enhancement to its safety could also encourage public acceptance of the along with other geoengineering projects.

More info: 4 cm Portable Active Seismic Source (PASS) for Meter- to Kilometer-Scale Imaging and Tabs on Subsurface Structures, Seismological Research Letters (2022).

Provided byKyushu University, I2CNER

Citation: Seismic device designed for extraterrestrial research might help tackle climate change on the planet (2022, September 16) retrieved 16 September 2022 from

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