Observations of Mars with ALMA: potential for future constraints of global circulation models
Validation of global climate models (GCMs) for planets in our solar system requires observational data, but observations from the orbit of Mars and its surface are limited in number and are constrained by their orbit or landing site. Ground-based observations of Mars can help by providing data acros...
| Main Authors: | , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
Society of Photo-optical Instrumentation Engineers
2021
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| _version_ | 1826265831608156160 |
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| author | Parks, MC Nixon, CA Villanueva, GL Smith, MD Khayat, ASJ Thelen, AE Villard, E Charnley, SB Irwin, PGJ |
| author_facet | Parks, MC Nixon, CA Villanueva, GL Smith, MD Khayat, ASJ Thelen, AE Villard, E Charnley, SB Irwin, PGJ |
| author_sort | Parks, MC |
| collection | OXFORD |
| description | Validation of global climate models (GCMs) for planets in our solar system requires observational data, but observations from the orbit of Mars and its surface are limited in number and are constrained by their orbit or landing site. Ground-based observations of Mars can help by providing data across the entire Martian hemisphere, yet historically, ground-based observations at submillimeter wavelengths have been limited to disk-average, or at best, a few resolution elements across Mars. We used Atacama Large Millimeter/submillimeter Array (ALMA) observations of Mars to determine the spatial distribution of carbon monoxide in the Martian atmosphere, which can be related to the atmospheric temperature. ALMA’s comparably high spatial and spectral resolutions in the submillimeter wavelengths could allow the mapping of abundances and temperature profiles, and the comparison of these data to simulations generated by the Laboratoire de Météorologie Dynamique (LMD) Mars GCM. However, the long baselines associated with the high spatial resolution of ALMA introduced systematic errors that resulted in radiative transfer modeling degeneracies. We serve to provide insight to facilitate proposed ALMA observations of Mars in the future so that the systematic errors encountered within these observations might be avoided.
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| first_indexed | 2024-03-06T20:29:47Z |
| format | Journal article |
| id | oxford-uuid:30a8e20d-a8e3-4e29-8a1f-89736e444363 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T20:29:47Z |
| publishDate | 2021 |
| publisher | Society of Photo-optical Instrumentation Engineers |
| record_format | dspace |
| spelling | oxford-uuid:30a8e20d-a8e3-4e29-8a1f-89736e4443632022-03-26T13:02:53ZObservations of Mars with ALMA: potential for future constraints of global circulation modelsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:30a8e20d-a8e3-4e29-8a1f-89736e444363EnglishSymplectic ElementsSociety of Photo-optical Instrumentation Engineers2021Parks, MCNixon, CAVillanueva, GLSmith, MDKhayat, ASJThelen, AEVillard, ECharnley, SBIrwin, PGJValidation of global climate models (GCMs) for planets in our solar system requires observational data, but observations from the orbit of Mars and its surface are limited in number and are constrained by their orbit or landing site. Ground-based observations of Mars can help by providing data across the entire Martian hemisphere, yet historically, ground-based observations at submillimeter wavelengths have been limited to disk-average, or at best, a few resolution elements across Mars. We used Atacama Large Millimeter/submillimeter Array (ALMA) observations of Mars to determine the spatial distribution of carbon monoxide in the Martian atmosphere, which can be related to the atmospheric temperature. ALMA’s comparably high spatial and spectral resolutions in the submillimeter wavelengths could allow the mapping of abundances and temperature profiles, and the comparison of these data to simulations generated by the Laboratoire de Météorologie Dynamique (LMD) Mars GCM. However, the long baselines associated with the high spatial resolution of ALMA introduced systematic errors that resulted in radiative transfer modeling degeneracies. We serve to provide insight to facilitate proposed ALMA observations of Mars in the future so that the systematic errors encountered within these observations might be avoided. |
| spellingShingle | Parks, MC Nixon, CA Villanueva, GL Smith, MD Khayat, ASJ Thelen, AE Villard, E Charnley, SB Irwin, PGJ Observations of Mars with ALMA: potential for future constraints of global circulation models |
| title | Observations of Mars with ALMA: potential for future constraints of global circulation models |
| title_full | Observations of Mars with ALMA: potential for future constraints of global circulation models |
| title_fullStr | Observations of Mars with ALMA: potential for future constraints of global circulation models |
| title_full_unstemmed | Observations of Mars with ALMA: potential for future constraints of global circulation models |
| title_short | Observations of Mars with ALMA: potential for future constraints of global circulation models |
| title_sort | observations of mars with alma potential for future constraints of global circulation models |
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