Diurnal and Seasonal Mapping of Martian Ices With EMIRS

Aurélien Stcherbinine; Christopher S. Edwards; Michael D. Smith; Michael J. Wolff; Christopher Haberle; Eman Al Tunaiji; Nathan M. Smith; Kezman Saboi; Saadat Anwar; Lucas Lange; Philip R. Christensen

doi:10.1029/2023GL103629

Diurnal and Seasonal Mapping of Martian Ices With EMIRS

Aurélien Stcherbinine, Christopher S. Edwards, Michael D. Smith, Michael J. Wolff, Christopher Haberle, Eman Al Tunaiji, Nathan M. Smith, Kezman Saboi, Saadat Anwar, Lucas Lange, Philip R. Christensen

Astronomy and Planetary Sciences

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Condensation and sublimation of ices at the surface of the planet is a key part of both the Martian H₂O and CO₂ cycles, either from a seasonal or diurnal aspect. While most of the ice is located within the polar caps, surface frost is known to be formed during nighttime down to equatorial latitudes. Here, we use data from the Emirates Mars Infrared Spectrometer onboard the Emirates Mars Mission to monitor the diurnal and seasonal evolution of the ices at the surface of Mars over almost one Martian year. The unique local time coverage provided by the instrument allows us to observe the apparition of equatorial CO₂ frost in the second half of the Martian night around the equinoxes, to its sublimation at sunrise.

Original language	English (US)
Article number	e2023GL103629
Journal	Geophysical Research Letters
Volume	50
Issue number	12
DOIs	https://doi.org/10.1029/2023GL103629
State	Published - Jun 28 2023

Keywords

CO
EMM
Mars
ice
infrared
surface

ASJC Scopus subject areas

Geophysics
General Earth and Planetary Sciences

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10.1029/2023GL103629

Cite this

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title = "Diurnal and Seasonal Mapping of Martian Ices With EMIRS",

abstract = "Condensation and sublimation of ices at the surface of the planet is a key part of both the Martian H2O and CO2 cycles, either from a seasonal or diurnal aspect. While most of the ice is located within the polar caps, surface frost is known to be formed during nighttime down to equatorial latitudes. Here, we use data from the Emirates Mars Infrared Spectrometer onboard the Emirates Mars Mission to monitor the diurnal and seasonal evolution of the ices at the surface of Mars over almost one Martian year. The unique local time coverage provided by the instrument allows us to observe the apparition of equatorial CO2 frost in the second half of the Martian night around the equinoxes, to its sublimation at sunrise.",

keywords = "CO, EMM, Mars, ice, infrared, surface",

author = "Aur{\'e}lien Stcherbinine and Edwards, {Christopher S.} and Smith, {Michael D.} and Wolff, {Michael J.} and Christopher Haberle and {Al Tunaiji}, Eman and Smith, {Nathan M.} and Kezman Saboi and Saadat Anwar and Lucas Lange and Christensen, {Philip R.}",

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month = jun,

day = "28",

doi = "10.1029/2023GL103629",

language = "English (US)",

volume = "50",

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T1 - Diurnal and Seasonal Mapping of Martian Ices With EMIRS

AU - Stcherbinine, Aurélien

AU - Edwards, Christopher S.

AU - Smith, Michael D.

AU - Wolff, Michael J.

AU - Haberle, Christopher

AU - Al Tunaiji, Eman

AU - Smith, Nathan M.

AU - Saboi, Kezman

AU - Anwar, Saadat

AU - Lange, Lucas

AU - Christensen, Philip R.

PY - 2023/6/28

Y1 - 2023/6/28

N2 - Condensation and sublimation of ices at the surface of the planet is a key part of both the Martian H2O and CO2 cycles, either from a seasonal or diurnal aspect. While most of the ice is located within the polar caps, surface frost is known to be formed during nighttime down to equatorial latitudes. Here, we use data from the Emirates Mars Infrared Spectrometer onboard the Emirates Mars Mission to monitor the diurnal and seasonal evolution of the ices at the surface of Mars over almost one Martian year. The unique local time coverage provided by the instrument allows us to observe the apparition of equatorial CO2 frost in the second half of the Martian night around the equinoxes, to its sublimation at sunrise.

AB - Condensation and sublimation of ices at the surface of the planet is a key part of both the Martian H2O and CO2 cycles, either from a seasonal or diurnal aspect. While most of the ice is located within the polar caps, surface frost is known to be formed during nighttime down to equatorial latitudes. Here, we use data from the Emirates Mars Infrared Spectrometer onboard the Emirates Mars Mission to monitor the diurnal and seasonal evolution of the ices at the surface of Mars over almost one Martian year. The unique local time coverage provided by the instrument allows us to observe the apparition of equatorial CO2 frost in the second half of the Martian night around the equinoxes, to its sublimation at sunrise.

KW - CO

KW - EMM

KW - Mars

KW - ice

KW - infrared

KW - surface

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DO - 10.1029/2023GL103629

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JF - Geophysical Research Letters

IS - 12

M1 - e2023GL103629

ER -

Diurnal and Seasonal Mapping of Martian Ices With EMIRS

Abstract

Keywords

ASJC Scopus subject areas

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