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Rainfall Intensity and Quantity Estimation Method Based on Gamma-Dose Rate Monitoring
Valentina Yakovleva1, Grigorii Yakovlev2, Roman Parovik3
1Nuclear Fuel Cycle Department, School of Nuclear Science & Engineering, Tomsk Polytechnic University, 634050 Tomsk, Russia.
Sensors (Basel, Switzerland)
|October 13, 2021
Summary
This study analyzes atmospheric gamma-background responses to precipitation, developing a method to interpret these bursts. The findings enable accurate measurement of precipitation intensity and amount using gamma-radiation data.
Area of Science:
- Environmental Science
- Atmospheric Physics
- Radiological Science
Background:
- Atmospheric gamma-background radiation exhibits complex responses to liquid precipitation.
- Understanding these responses is crucial for environmental monitoring and radiation safety.
Purpose of the Study:
- To investigate the features of atmospheric gamma-background reactions to precipitation bursts.
- To develop and validate a method for interpreting gamma-background responses to determine precipitation characteristics.
- To establish a method for estimating precipitation intensity and amount using gamma-radiation dynamics.
Main Methods:
- Analysis of atmospheric gamma-background response patterns during precipitation events.
- Development of a method to interpret measured gamma-background data, identifying precipitation start/end times and intensity variations.
- Reconstruction of precipitation intensity spectra from gamma-radiation dose rate dynamics, accounting for radon daughter decay and atmospheric purification.
Main Results:
- A distinct relationship was found between precipitation intensity changes and the rate of gamma-radiation dose rate increase.
- A novel method was developed to estimate average precipitation intensity and amount per event.
- Experimental verification confirmed good agreement between calculated and measured precipitation values.
Conclusions:
- The developed method effectively interprets atmospheric gamma-background bursts to quantify precipitation.
- This technique offers a valuable tool for environmental monitoring and can help correct for variations in radon flux.
- The findings support the use of gamma-radiation dynamics as a proxy for measuring liquid atmospheric precipitation.
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