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dc.rights.licenseCopyright © 2020, The Author(s)-
dc.contributor.authorRetortillo, A. V.-
dc.contributor.authorMartínez, G. M.-
dc.contributor.authorRennó, N. O.-
dc.contributor.authorLemmon, M. T.-
dc.contributor.authorDe la Torre Juárez, M.-
dc.contributor.authorGómez Elvira, J.-
dc.contributor.otherUnidad de Excelencia Científica María de Maeztu Centro de Astrobiología del Instituto Nacional de Técnica Aeroespacial y CSIC, MDM-2017-0737-
dc.identifier.citationSpace Science Reviews 216(5): 97(2020)es
dc.descriptionVicente-Retortillo, A., Martínez, G.M., Rennó, N.O. et al. In Situ UV Measurements by MSL/REMS: Dust Deposition and Angular Response Corrections. Space Sci Rev 216, 97 (2020).
dc.description.abstractMeasurements by the REMS/UV sensor onboard the MSL Curiosity rover constitute the first in situ dataset of UV radiation flux at the surface of Mars. Due to its position on the Curiosity deck, the UV sensor has been directly exposed to dust deposition. Inaccuracies in the original angular response calibration functions have led to discrepancies between measured and physically-expected UV fluxes when the solar zenith angle (theta) relative to the rover frame is between 20 degrees and 55 degrees. Here we present a methodology to correct UV fluxes when theta < 55 degrees for both effects, and show results of the corrected data set for the first 2003 sols (similar to 3 Martian Years, MY) of the MSL mission, from L-s similar to 151 degrees in MY 31 to L-s similar to 149 degrees in MY 34. Close to noon, when. values are typically < 30 degrees, relative differences between corrected and original UV fluxes are similar to 35 - 40% on average. Outside hours close to noon, when theta is typically > 30 degrees, relative differences are greater than 100%. Measurements acquired when 20 degrees < theta < 55 degrees represent similar to 45% of the whole dataset with theta < 90 degrees. UV fluxes generated in this study are available in the NASA Planetary Data System (, and are important to study the effect of UV radiation on the variability of atmospheric constituents, to recreate accurate UV doses for biological laboratory experiments, to perform combined analyses of satellite and ground-based measurements, and to allow comparisons of the UV radiation environment at different locations with the upcoming ExoMars 2020 and Mars 2020
dc.description.sponsorshipThis research was supported by Jet Propulsion Laboratory grant number 1449038 and LPI/USRA Subaward No. Subk00011877. The fluxes correction here presented would not have been possible without the previous effort of and support from the MSL team, in particular REMS team members. We would like to thank Michael Smith and Jeffrey R. Johnson for their excellent suggestions to improve the manuscript. Corrected UV fluxes shown in this manuscript are available in the Atmospheres Node of the Planetary Data System. Lower-order UV data (ADR and TELRDR products) used to obtain corrected UV fluxes are also available in the NASA PDS ; With funding from the Spanish government through the "María de Maeztu Unit of Excellence" accreditation (MDM-2017-0737).es
dc.publisherSpringer Linkes
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.subjectUV radiationes
dc.subjectDust depositiones
dc.subjectMeasurements by MSL/REMSes
dc.titleIn Situ UV Measurements by MSL/REMS: Dust Deposition and Angular Response Correctionses
dc.contributor.orcidRetortillo, A. V. [0000-0002-4553-7624]-
dc.contributor.orcidGómez Elvira, J. [0000-0002-9068-9846]-
dc.contributor.funderNASA Jet Propulsion Laboratory (JPL)-
dc.description.peerreviewedPeer reviewes
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