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相关论文: Plasma observations during the Mars atmospheric "p…

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Knowledge of Mars's ionosphere has been significantly advanced in recent years by observations from Mars Express (MEX) and lately MAVEN. A topic of particular interest are the interactions between the planet's ionospheric plasma and its…

The pervasive Mars dust is continually transported between the surface and the atmosphere. When on the surface, dust increases the albedo of darker underlying rocks and regolith, which modifies climate energy balance and must be quantified.…

地球与行星天体物理 · 物理学 2015-03-11 Mathieu Vincendon , Joachim Audouard , Francesca Altieri , Anouck Ody

The interplanetary coronal mass ejections (ICMEs) can pose significant impacts on the Martian ionosphere, resulting in plasma depletion, variability, and escape to space. However, the connections between the ICMEs and the associated…

空间物理 · 物理学 2023-11-07 L. Ram , D. Rout , R. Rathi , P. Withers , S. Sarkhel

This review describes the dynamic phenomena in the atmosphere of Mars that are visible in images taken in the visual range through cloud formation and dust lifting. We describe the properties of atmospheric features traced by aerosols…

Previous observations have shown that, during Martian dust storms, the peak of the ionosphere rises in altitude. Observational studies of this type, however, have been extremely limited. Using 13 years of ionospheric peak altitude data from…

地球与行星天体物理 · 物理学 2020-02-05 Z. Girazian , Z. Luppen , D. D. Morgan , F. Chu , L. Montabone , E. M. B. Thiemann , D. A. Gurnett , J. Halekas , A. J. Kopf , F. Nemec

In a two-week period between February and March of 2015, a series of interplanetary coronal mass ejections (ICMEs) and (solar energetic particles) SEPs made contact with Mars. The interactions were observed by several spacecraft, including…

This article presents a monitoring of the atmospheric dust in the south polar region during spring of martian year 27. Our goal is to contribute to identifying the regions where the dust concentration in the atmosphere shows specific…

地球与行星天体物理 · 物理学 2015-06-12 S Douté

Auroras are emissions in a planetary atmosphere caused by its interactions with the surrounding plasma environment. They have been observed in most planets and some moons of the solar system. Since their first discovery in 2005, Mars…

地球与行星天体物理 · 物理学 2022-12-28 Dimitra Atri , Dattaraj B. Dhuri , Mathilde Simoni , Katepalli R. Sreenivasan

The time evolution of atmospheric dust at high southern latitudes on Mars has been determined using observations of the south seasonal cap acquired in the near infrared (1-2.65 {\mu}m) by OMEGA/Mars Express in 2005. Observations at…

地球与行星天体物理 · 物理学 2011-03-07 Mathieu Vincendon , Yves Langevin , François Poulet , Jean-Pierre Bibring , Brigitte Gondet , Denis Jouglet , OMEGA Team

Observations of water ice clouds and aerosols on Mars can provide important insights into the complexity of the water cycle. Recent observations have indicated an important link between dust activity and the water cycle, as intense dust…

The InSight mission, featuring continuous high-frequency high-sensitivity pressure measurements, is in ideal position to study the active atmospheric turbulence of Mars. Data acquired during 1.25 Martian year allows us to study the seasonal…

地球与行星天体物理 · 物理学 2021-11-02 Audrey Chatain , Aymeric Spiga , Don Banfield , Francois Forget , Naomi Murdoch

We study the interaction of three solar wind structures, two stream interaction regions and one interplanetary coronal mass ejection, with Mars' plasma environment during 20-27 November 2007. This period corresponds to the solar minimum…

The presence of liquid water at the base of the Martian polar caps has long been suspected but not observed. We surveyed the Planum Australe region using the Mars Advanced Radar for Subsurface and Ionosphere Sounding, a low-frequency radar…

We use the Mars Regional Atmospheric Modeling System (MRAMS) to simulate lake storms on Mars, finding that intense localized precipitation will occur for lake size >=10^3 km^2. Mars has a low-density atmosphere, so deep convection can be…

地球与行星天体物理 · 物理学 2011-07-28 Edwin S. Kite , Timothy I. Michaels , Scot Rafkin , Michael Manga , William E. Dietrich

The Mars Science Laboratory Curiosity rover has monitored the Martian environment in Gale crater since landing in 2012. This study reports the record of optical depth derived from visible and near-infrared images of the Sun. Aerosol optical…

Solar transient events like flares can cause sudden changes in planetary plasma and neutral environment. Here, we present an investigation of the variability of the Martian atmospheric emissions viz. OI 130.4 nm, 135.6 nm, CO2+ ultraviolet…

空间物理 · 物理学 2024-02-02 L. Ram , R. Sharma , D. Rout , R. Rathi , S. Sarkhel

Characterizing the Martian atmosphere is an essential objective to understand its meteorology and its climate. The lower atmosphere (< 40 km) and middle atmosphere (40-80 km) of Mars appear dynamically coupled at much higher levels than in…

天体物理学 · 物理学 2016-08-14 R. Moreno , E. Lellouch , T. Encrenaz , F. Forget , E. Chassefiere , F. Hourdin , Stéphane Guilloteau

The comprehensive suite of scientific instruments with high temporal resolution measurements on the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft allowed studies of the structure and properties of the dayside magnetosphere of…

空间物理 · 物理学 2022-09-28 Oleg Vaisberg , Sergey Shuvalov , Eduard Dubinin , Konstantin Kim

Proton auroras are widely observed on the dayside of Mars, identified as a significant intensity enhancement in the hydrogen Lyman alpha (121.6 nm) emission between 110 - 150 km altitudes. Solar wind protons penetrating as energetic neutral…

地球与行星天体物理 · 物理学 2024-06-25 Dattaraj B. Dhuri , Dimitra Atri , Ahmed AlHantoobi

We extracted a Martian water-ice cloud climatology from OMEGA data covering 7 Martian years (MY 26-32). We derived two products, the Reversed Ice Cloud Index (ICIR) and the Percentage of Cloudy Pixels (PCP), indicating the mean cloud…

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