Convective vortices and dust devils at the MSL landing site: Annual variability

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Convective vortices and dust devils at the MSL landing site : Annual variability. / Kahanpää, Henrik; Newman, C.; Moores, J.; Zorzano, M. -P.; Martin-Torres, J.; Navarro, S.; Lepinette, A.; Cantor, B.; Lemmon, M. T.; Valentin-Serrano, P.; Ullan, A.; Schmidt, W.

julkaisussa: Journal of geophysical research-Planets, Vuosikerta 121, Nro 8, 08.2016, s. 1514-1549.

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

Harvard

Kahanpää, H, Newman, C, Moores, J, Zorzano, M-P, Martin-Torres, J, Navarro, S, Lepinette, A, Cantor, B, Lemmon, MT, Valentin-Serrano, P, Ullan, A & Schmidt, W 2016, 'Convective vortices and dust devils at the MSL landing site: Annual variability' Journal of geophysical research-Planets, Vuosikerta. 121, Nro 8, Sivut 1514-1549. https://doi.org/10.1002/2016JE005027

APA

Kahanpää, H., Newman, C., Moores, J., Zorzano, M. -P., Martin-Torres, J., Navarro, S., ... Schmidt, W. (2016). Convective vortices and dust devils at the MSL landing site: Annual variability. Journal of geophysical research-Planets, 121(8), 1514-1549. https://doi.org/10.1002/2016JE005027

Vancouver

Author

Kahanpää, Henrik ; Newman, C. ; Moores, J. ; Zorzano, M. -P. ; Martin-Torres, J. ; Navarro, S. ; Lepinette, A. ; Cantor, B. ; Lemmon, M. T. ; Valentin-Serrano, P. ; Ullan, A. ; Schmidt, W. / Convective vortices and dust devils at the MSL landing site : Annual variability. Julkaisussa: Journal of geophysical research-Planets. 2016 ; Vuosikerta 121, Nro 8. Sivut 1514-1549.

Bibtex - Lataa

@article{fa8dfeac5afa42ba80bc86ad59862897,
title = "Convective vortices and dust devils at the MSL landing site: Annual variability",
abstract = "Two hundred fifty-two transient drops in atmospheric pressure, likely caused by passing convective vortices, were detected by the Rover Environmental Monitoring Station instrument during the first Martian year of the Mars Science Laboratory (MSL) landed mission. These events resembled the vortex signatures detected by the previous Mars landers Pathfinder and Phoenix; however, the MSL observations contained fewer pressure drops greater than 1.5 Pa and none greater than 3.0 Pa. Apparently, these vortices were generally not lifting dust as only one probable dust devil has been observed visually by MSL. The obvious explanation for this is the smaller number of strong vortices with large central pressure drops since according to Arvidson et al. [2014] ample dust seems to be present on the surface. The annual variation in the number of detected convective vortices followed approximately the variation in Dust Devil Activity (DDA) predicted by the MarsWRF numerical climate model. This result does not prove, however, that the amount of dust lifted by dust devils would depend linearly on DDA, as is assumed in several numerical models of the Martian atmosphere, since dust devils are only the most intense fraction of all convective vortices on Mars, and the amount of dust that can be lifted by a dust devil depends on its central pressure drop. Sol-to-sol variations in the number of vortices were usually small. However, on 1 Martian solar day a sudden increase in vortex activity, related to a dust storm front, was detected.",
keywords = "RESOLUTION STEREO CAMERA, LARGE-EDDY SIMULATIONS, SCIENCE LABORATORY MISSION, GENERAL-CIRCULATION MODEL, PLANETARY BOUNDARY-LAYER, GALE CRATER, MARS PATHFINDER, MARTIAN ATMOSPHERE, STATISTICAL DISTRIBUTION, INTERANNUAL VARIABILITY",
author = "Henrik Kahanp{\"a}{\"a} and C. Newman and J. Moores and Zorzano, {M. -P.} and J. Martin-Torres and S. Navarro and A. Lepinette and B. Cantor and Lemmon, {M. T.} and P. Valentin-Serrano and A. Ullan and W. Schmidt",
year = "2016",
month = "8",
doi = "10.1002/2016JE005027",
language = "English",
volume = "121",
pages = "1514--1549",
journal = "Journal of Geophysical Research: Planets",
issn = "2169-9097",
number = "8",

}

RIS - Lataa

TY - JOUR

T1 - Convective vortices and dust devils at the MSL landing site

T2 - Annual variability

AU - Kahanpää, Henrik

AU - Newman, C.

AU - Moores, J.

AU - Zorzano, M. -P.

AU - Martin-Torres, J.

AU - Navarro, S.

AU - Lepinette, A.

AU - Cantor, B.

AU - Lemmon, M. T.

AU - Valentin-Serrano, P.

AU - Ullan, A.

AU - Schmidt, W.

PY - 2016/8

Y1 - 2016/8

N2 - Two hundred fifty-two transient drops in atmospheric pressure, likely caused by passing convective vortices, were detected by the Rover Environmental Monitoring Station instrument during the first Martian year of the Mars Science Laboratory (MSL) landed mission. These events resembled the vortex signatures detected by the previous Mars landers Pathfinder and Phoenix; however, the MSL observations contained fewer pressure drops greater than 1.5 Pa and none greater than 3.0 Pa. Apparently, these vortices were generally not lifting dust as only one probable dust devil has been observed visually by MSL. The obvious explanation for this is the smaller number of strong vortices with large central pressure drops since according to Arvidson et al. [2014] ample dust seems to be present on the surface. The annual variation in the number of detected convective vortices followed approximately the variation in Dust Devil Activity (DDA) predicted by the MarsWRF numerical climate model. This result does not prove, however, that the amount of dust lifted by dust devils would depend linearly on DDA, as is assumed in several numerical models of the Martian atmosphere, since dust devils are only the most intense fraction of all convective vortices on Mars, and the amount of dust that can be lifted by a dust devil depends on its central pressure drop. Sol-to-sol variations in the number of vortices were usually small. However, on 1 Martian solar day a sudden increase in vortex activity, related to a dust storm front, was detected.

AB - Two hundred fifty-two transient drops in atmospheric pressure, likely caused by passing convective vortices, were detected by the Rover Environmental Monitoring Station instrument during the first Martian year of the Mars Science Laboratory (MSL) landed mission. These events resembled the vortex signatures detected by the previous Mars landers Pathfinder and Phoenix; however, the MSL observations contained fewer pressure drops greater than 1.5 Pa and none greater than 3.0 Pa. Apparently, these vortices were generally not lifting dust as only one probable dust devil has been observed visually by MSL. The obvious explanation for this is the smaller number of strong vortices with large central pressure drops since according to Arvidson et al. [2014] ample dust seems to be present on the surface. The annual variation in the number of detected convective vortices followed approximately the variation in Dust Devil Activity (DDA) predicted by the MarsWRF numerical climate model. This result does not prove, however, that the amount of dust lifted by dust devils would depend linearly on DDA, as is assumed in several numerical models of the Martian atmosphere, since dust devils are only the most intense fraction of all convective vortices on Mars, and the amount of dust that can be lifted by a dust devil depends on its central pressure drop. Sol-to-sol variations in the number of vortices were usually small. However, on 1 Martian solar day a sudden increase in vortex activity, related to a dust storm front, was detected.

KW - RESOLUTION STEREO CAMERA

KW - LARGE-EDDY SIMULATIONS

KW - SCIENCE LABORATORY MISSION

KW - GENERAL-CIRCULATION MODEL

KW - PLANETARY BOUNDARY-LAYER

KW - GALE CRATER

KW - MARS PATHFINDER

KW - MARTIAN ATMOSPHERE

KW - STATISTICAL DISTRIBUTION

KW - INTERANNUAL VARIABILITY

U2 - 10.1002/2016JE005027

DO - 10.1002/2016JE005027

M3 - Article

VL - 121

SP - 1514

EP - 1549

JO - Journal of Geophysical Research: Planets

JF - Journal of Geophysical Research: Planets

SN - 2169-9097

IS - 8

ER -

ID: 10302687