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Diurnal variations of energetic particle radiation at the surface of Mars as observed by the Mars Science Laboratory Radiation Assessment Detector

Rafkin, Scot C. R. and Zeitlin, Cary and Ehresmann, Bent and Hassler, Don and Guo, Jingnan and Köhler, Jan and Wimmer-Schweingruber, Robert and Gomez-Elvira, Javier and Harri, Ari-Matti and Kahanpää, Henrik and Brinza, David E. and Weigle, Gerald and Böttcher, Stephan and Böhm, Eckart and Burmeister, Soenke and Martin, Cesar and Reitz, Guenther and Cucinotta, Francis A. and Kim, Myung-Hee and Grinspoon, David and Bullock, Mark A. and Posner, Arik and the MSL Science Team (2014) Diurnal variations of energetic particle radiation at the surface of Mars as observed by the Mars Science Laboratory Radiation Assessment Detector. JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS, n/a-n/a. Wiley. doi: 10.1002/2013JE004525. ISSN 2169-9097.

Full text not available from this repository.

Official URL: http://dx.doi.org/10.1002/2013JE004525

Abstract

The Radiation Assessment Detector onboard the Mars Science Laboratory rover Curiosity is detecting the energetic particle radiation at the surface of Mars. Data collected over the first 350 Martian days of the nominal surface mission show a pronounced diurnal cycle in both the total dose rate and the neutral particle count rate. The diurnal variations detected by the Radiation Assessment Detector were neither anticipated nor previously considered in the literature. These cyclic variations in dose rate and count rate are shown to be the result of changes in atmospheric column mass driven by the atmospheric thermal tide that is characterized through pressure measurements obtained by the Rover Environmental Monitoring Station, also onboard the rover. In addition to bulk changes in the radiation environment, changes in atmospheric shielding forced by the thermal tide are shown to disproportionately affect heavy ions compared to H and He nuclei.

Item URL in elib:https://elib.dlr.de/89578/
Document Type:Article
Title:Diurnal variations of energetic particle radiation at the surface of Mars as observed by the Mars Science Laboratory Radiation Assessment Detector
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Rafkin, Scot C. R.Southwest Research Institute, Boulder, Colorado, USA; rafkin (at) boulder.swri.eduUNSPECIFIED
Zeitlin, CarySouthwest Research Institute, Durham, New Hampshire, USAUNSPECIFIED
Ehresmann, BentSouthwest Research Institute, Boulder, Colorado, USAUNSPECIFIED
Hassler, DonSouthwest Research Institute, Boulder, Colorado, USAUNSPECIFIED
Guo, JingnanDepartment of Extraterrestrial Physics, Christian-Albrecths University, Kiel, GermanyUNSPECIFIED
Köhler, JanDepartment of Extraterrestrial Physics, Christian-Albrecths University, Kiel, GermanyUNSPECIFIED
Wimmer-Schweingruber, RobertDepartment of Extraterrestrial Physics, Christian-Albrecths University, Kiel, GermanyUNSPECIFIED
Gomez-Elvira, JavierCentro de Astrobiología (CSIC-INTA), Madrid, SpainUNSPECIFIED
Harri, Ari-MattiFinnish Meteorological Institute, Helsinki, FinlandUNSPECIFIED
Kahanpää, HenrikFinnish Meteorological Institute, Helsinki, FinlandUNSPECIFIED
Brinza, David E.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USAUNSPECIFIED
Weigle, GeraldBig Head Endian, Burden, Kansas, USAUNSPECIFIED
Böttcher, StephanDepartment of Extraterrestrial Physics, Christian-Albrecths University, Kiel, GermanyUNSPECIFIED
Böhm, EckartDepartment of Extraterrestrial Physics, Christian-Albrecths University, Kiel, GermanyUNSPECIFIED
Burmeister, SoenkeDepartment of Extraterrestrial Physics, Christian-Albrecths University, Kiel, GermanyUNSPECIFIED
Martin, CesarDepartment of Extraterrestrial Physics, Christian-Albrecths University, Kiel, GermanyUNSPECIFIED
Reitz, GuentherGerman Aerospace Center, Cologne, GermanyUNSPECIFIED
Cucinotta, Francis A.NASA Johnson Space Center, Houston, Texas, USA and University of Nevada Las Vegas, Las Vegas, Nevada, USAUNSPECIFIED
Kim, Myung-HeeUniversities Space Research Association, Houston, Texas, USAUNSPECIFIED
Grinspoon, DavidLibrary of Congress, Washington, District of Columbia, USAUNSPECIFIED
Bullock, Mark A.Southwest Research Institute, Boulder, Colorado, USAUNSPECIFIED
Posner, Arik and the MSL Science TeamNASA Headquarters, Washington, District of Columbia, USAUNSPECIFIED
Date:2014
Journal or Publication Title:JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI:10.1002/2013JE004525
Page Range:n/a-n/a
Publisher:Wiley
ISSN:2169-9097
Status:Published
Keywords:Mars, radiation, space weather, atmosphere, Mars Science Laboratory
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Vorhaben MSL-Radiation (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Radiation Biology
Deposited By: Kopp, Kerstin
Deposited On:02 Jul 2014 16:52
Last Modified:19 Nov 2021 20:30

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