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Cosmic-ray ionization in the lower atmosphere.

P S Weng, C F Chen

|March 1, 1987

Summary

This study measured cosmic ray dose rates at various altitudes using an ion chamber. Results were compared to established radiation data for background monitoring.

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Area of Science:

Environmental Radiation Physics
Cosmic Ray Dosimetry

Background:

Understanding cosmic ray dose rates is crucial for radiation protection and environmental monitoring.
Variations in cosmic ray exposure occur with altitude and location.

Purpose of the Study:

To measure and evaluate the dose rates contributed by cosmic rays at diverse terrestrial and atmospheric sites.
To establish a baseline for background radiation monitoring.

Main Methods:

Utilized a high-pressure ion chamber filled with argon to measure dose rates.
Conducted measurements at various altitudes: deep water reservoirs (>110m), high-altitude mountains (>2500m), commercial airliners (>6700m), and sea level.
Compared findings with United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) data.

Main Results:

Quantified cosmic ray dose rates across a range of altitudes and geographical locations.
Data collected provides a basis for calibrating and validating background radiation monitoring instruments.
Findings align with established cosmic ray exposure models and UNSCEAR reports.

Conclusions:

The study successfully measured cosmic ray dose rates in diverse environments.
The data is valuable for refining background radiation assessments and ensuring radiation safety.
Ion chamber measurements provide reliable data for environmental radiation studies.

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