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Measurements of Strain

Measurements of Strain

Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain...

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Hard- and Software Controlled Complex for Gas-Strain Monitoring of Transition Zones.

Grigory Dolgikh¹, Mariia Bovsun¹, Stanislav Dolgikh¹

¹V.I. Il'ichev Pacific Oceanological Institute, Far Eastern Branch Russian Academy of Sciences, 690041 Vladivostok, Russia.

Sensors (Basel, Switzerland)

|April 27, 2024

Summary

This study presents a new complex for monitoring greenhouse gases and Earth

Keywords:

gas analyzer gas-strain monitoring greenhouse gases laser strainmeter transition zones

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Area of Science:

Geophysics
Environmental Science
Instrumentation

Background:

Earth's crust deformation and greenhouse gas dynamics are crucial environmental parameters.
Understanding tidal and ultra-low frequency influences on these systems is essential.

Purpose of the Study:

To describe a novel hard- and software controlled complex for integrated gas-strain monitoring.
To identify patterns in greenhouse gas dynamics and Earth's crust deformation.

Main Methods:

Deployment of stationary (Shultz Cape) and mobile (shipboard) monitoring complexes.
Utilizing laser strainmeters, laser nanobarographs, gas analyzers, and weather stations.
Conducting trial methodological measurements to analyze data patterns.

Main Results:

Identified general patterns in greenhouse gas dynamics and crustal deformation.
Observed correlations in diurnal and semi-diurnal tidal ranges.
Detected ultra-low frequency patterns linked to atmospheric waves and Earth's eigen oscillations.

Conclusions:

The developed complex effectively monitors gas and strain dynamics.
The study reveals interconnections between geophysical and atmospheric processes.
Further research into Earth's eigen oscillations and their relation to gas-strain monitoring is warranted.