Potential benefit of retrospective use of neutron monitors in improving ionising radiation exposure assessment on international flights: issues raised by neutron passive dosimeter measurements and EPCARD simulations during sudden changes in solar activity
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29 jun 2020
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Categoría del artículo: Original article
Publicado en línea: 29 jun 2020
Páginas: 152 - 157
Recibido: 01 feb 2020
Aceptado: 01 jun 2020
DOI: https://doi.org/10.2478/aiht-2020-71-3403
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© 2020 Marina Poje Sovilj et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1
![European flights on which dosimeter measurements were taken [map created with the StepMap software (16)]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64708de271e4585e08a9fe47/j_aiht-2020-71-3403_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250911%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250911T155823Z&X-Amz-Expires=3600&X-Amz-Signature=5c65ff5da952807e61afef781ef3e5ef00c4fbdaf7541b2876a8e870e96ac68f&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 2
![Intercontinental flights on which dosimeter measurements were taken [map created with the StepMap software (16)]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/64708de271e4585e08a9fe47/j_aiht-2020-71-3403_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250911%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250911T155823Z&X-Amz-Expires=3600&X-Amz-Signature=1d52226ef4586aeda8582e77e143e6cff1131dc10fd8a779c2f4eebd5a10dea8&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 3
Overview of the data obtained by measurements and simulations for the eleven flights studied_ All of the measured results are written with associated uncertainties
| Measurement code/flight route | Date of flight | Average neutron track density (track/cm2) | Measured neutron ambient dose (μSv) | Calculated neutron ambient dose rate (μSv/h) | ambient Total dose equivalent obtained by using EPCARD (μSv) | Total ambient dose rate obtained by using EPCARD (μSv/h) |
|---|---|---|---|---|---|---|
| M1: Belgrade–Dortmund–Belgrade | November 2014 | 11.9 | 3.6±1.4 | 0.90±0.83 | 20 | 5 |
| M2: Belgrade–Dortmund–Belgrade | December 2014/January2015 | 42.0 | 13±6.8 | 2.9±1.5 | 20 | 5 |
| M3: Belgrade–Tallinn–Belgrade | March 2015 | 81.6 | 25±15 | 4.1±3.7 | 32 | 5.3 |
| M4: Belgrade–Dortmund–Belgrade | March 2015 | 11.2 | 3.4±1.4 | 0.85±0.92 | 20 | 5 |
| M5: Zagreb–Budapest–Bangkok–Doha–Doha–Budapest–Zagreb | May 2015 | 82.6 | 25±6.5 | 1.0±0.3 | 62 | 2.4 |
| M6: Belgrade–Dortmund–Belgrade | June 2015 | 15.6 | 4.7±2.4 | 1.2±0.9 | 20 | 5 |
| M7: Zagreb–Frankfurt–Tallinn–Munich–Belgrade | May 2016 | 117.1 | 35±8.1 | 4.1±1.4 | 17 | 2 |
| M8: Zagreb–Munich–Tokyo–Munich–Zagreb | December 2016 | 360.0 | 108±19 | 4.3±1.2 | 154 | 6.2 |
| M9: Belgrade–New York–Norfolk–Chicago–New York–Belgrade | July 2017 | 188.9 | 57±6.4 | 2.4±0.4 | 166 | 6.9 |
| M10: Budapest–Amsterdam–Lima–Amsterdam–Budapest | October 2017 | 60.5 | 18±6.4 | 0.65±0.20 | 108 | 3.9 |
| M11: Zagreb–Warsaw–Yerevan–Vienna–Zagreb | October 2017 | 23.5 | 7.1±5.9 | 0.71±0.63 | 37 | 3.7 |