Detection of lower tropospheric responses to solar energetic particles at midlatitudes

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Nicoll, K. A. ORCID: https://orcid.org/0000-0001-5580-6325 and Harrison, R. G. ORCID: https://orcid.org/0000-0003-0693-347X (2014) Detection of lower tropospheric responses to solar energetic particles at midlatitudes. Physical Review Letters, 112 (22). 225001. ISSN 0031-9007 doi: 10.1103/PhysRevLett.112.225001

Abstract/Summary

Solar energetic particles (SEPs) occasionally contribute additional atmospheric ionization beyond that arising from the usual galactic cosmic ray background. During an SEP event associated with a solar flare on April 11, 2013, the vertical ionization rate profile obtained using a balloon-borne detector showed enhanced ionization with a 26% increase at 20 km, over Reading, United Kingdom. Fluctuations in atmospheric electrical parameters were also detected at the surface, beneath the balloon’s trajectory. As no coincident changes in geomagnetism occurred, the electrical fluctuations are very likely to be associated with increased ionization, as observed by the balloon measurements. The lack of response of surface neutron monitors during this event indicates that energetic particles that are not detected at the surface by neutron monitors can nevertheless enter and influence the atmosphere’s weather-generating regions.

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Item Type	Article
URI	https://reading-clone.eprints-hosting.org/id/eprint/36812
Identification Number/DOI	10.1103/PhysRevLett.112.225001
Refereed	Yes
Divisions	Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
Publisher	American Physical Society
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Funded Project

Funders:	Leverhulme Trust Science and Technology Facilities Council	The sponsoring bodies who contributed funding for the creation of this item. Example: NERC Example: The Royal Society of Chemistry A pick list of funders may appear as you type in the funder's name in full or as an acronym. Select a correct match to complete the field or type in a new entry in full. For new entries, the full name is preferred.
Projects:	Charged Particle Effects on Clouds Funded by: Leverhulme Trust (ECF 2011-225 - £51,995) Local Lead (PI): Keri Nicoll 1 March 2012 - 28 February 2014 Airborne monitoring of space weather and radioactivity Funded by: Science and Technology Facilities Council (ST/K001965/1 - £40,462) Local Lead (PI): Giles Harrison Project Lead: Richard Giles Harrison 1 October 2012 - 31 January 2014	Click Add to select your project (received at Reading) from an autocomplete list.

Deposit Details

Date Deposited:	10 Jun 2014 13:21	Date item deposited into CentAUR
Last Modified:	23 Jun 2024 04:41	Date item last modified

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