Cross‐Hemisphere Impacts of Dust Tides on the Martian Atmosphere During the Mars Year 34 Global Dust Storm
Rattachement africain : cn, us. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
Abstract Airborne dust plays a fundamental role in controlling the Martian atmospheric circulation by modulating radiative heating and wave excitation. While previous studies attributed the strengthening and poleward extension of the cross‐equatorial Hadley circulation during dust storms to the overall increase in atmospheric dust loading, the influence of diurnal dust variations (dust tides) has not been explored. Using the general circulation model with prescribed dust distributions, this study investigates the influence of dust tides on global‐scale atmospheric dynamics during the mature stage of the MY34 global dust event. The results demonstrate that dust tides substantially intensify and extend the cross‐equatorial Hadley circulation, leading to a stronger north polar warming. A pronounced dust‐tide‐induced hemispheric difference exists. In the southern hemisphere, dust tides amplify the tidal components of temperature and winds. In the northern hemisphere, however, dust tides enhance the mean meridional circulation through wave–driven forcing on the mean flow. Hough mode analysis reveals that dust tides primarily strengthen the negative meridional‐index components of the diurnal migrating tide, which dominate wave–driven forcing and connect diurnal dust radiative forcing to global circulation. These findings suggest that dust tides are an important dynamical mechanism that not only influences the coupling between regional radiative and tidal processes, but also affects the global transport of momentum and energy by affecting global circulations.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- Cross‐Hemisphere Impacts of Dust Tides on the Martian Atmosphere During the Mars Year 34 Global Dust Storm
- Date Crossref
- 01/09/2026
- Éditeur
- American Geophysical Union (AGU)
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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Chinese Academy of Sciences pays non établi dans la noticeOrganisme public
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Institute of Geology and Geophysics pays non établi dans la noticeStructure de recherche
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Aeolis Research (United States) pays non établi dans la noticeEntreprise
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University of Chinese Academy of Sciences pays non établi dans la noticeUniversité ou école supérieure
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Regional Centre for Space Science and Technology Education in Asia and the Pacific (China) (Affiliated to the United Nations) Hangzhou International Innovation Institute Beihang University Hangzhou China pays non établi dans la noticeUniversité ou école supérieure
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Aeolis Research Chandler AZ USA pays non établi dans la noticeInstitution
Chinese Academy of Sciences, Institute of Geology and Geophysics et Aeolis Research (United States), avec 3 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.