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The Mass Spectrometer and Incoherent Scatter radar (MSIS) model family has been developed and improved since the early 1970's. The most recent version of MSIS is the Naval Research Laboratory (NRL) MSIS 2.0 empirical atmospheric model.…

Space Physics · Physics 2022-12-07 Richard J. Licata , Piyush M. Mehta , Daniel R. Weimer , W. Kent Tobiska , Jean Yoshii

Robust sensing and perception in adverse weather conditions remain one of the biggest challenges for realizing reliable autonomous vehicle mobility services. Prior work has established that rainfall rate is a useful measure for the…

Signal Processing · Electrical Eng. & Systems 2022-04-26 Robin Karlsson , David Robert Wong , Kazunari Kawabata , Simon Thompson , Naoki Sakai

The present Martian climate is characterized by a cold and dry environment with a thin atmosphere of carbon dioxides (CO2). In such conditions, the planetary climate and habitability are determined by the distribution of CO2 between…

Earth and Planetary Astrophysics · Physics 2025-09-10 Yasuto Watanabe , Eiichi Tajika , Arihiro Kamada

Recent papers by Ansari et al. (2024, Science Advances 10, eadn4650) and Richardson et al. (2025, arXiv eprint 2504.01455) have suggested that global warming of the Martian surface ('terraforming') by 35 K to sustain local habitats above…

Earth and Planetary Astrophysics · Physics 2026-03-03 Ashwin S. Braude , Edwin S. Kite , Mark I. Richardson , Alexandre Kling , Michael A. Mischna

We present results from the Met Office Unified Model (UM), a world-leading climate and weather model, adapted to simulate a dry Martian climate. We detail the adaptation of the basic parameterisations and analyse results from two…

Earth and Planetary Astrophysics · Physics 2023-02-02 Danny McCulloch , Denis E. Sergeev , Nathan Mayne , Matthew Bate , James Manners , Ian Boutle , Benjamin Drummond , Kristzian Kohary

In order to develop reliable services using machine learning, it is important to understand the uncertainty of the model outputs. Often the probability distribution that the prediction target follows has a complex shape, and a mixture…

Machine Learning · Computer Science 2021-05-11 Ryuichi Kanoh , Tomu Yanabe

The Mars Perseverance rover applies computer vision for navigation and hazard avoidance. The challenge to do onboard object recognition highlights the need for low-power, customized training, often including low-contrast backgrounds. We…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 David Noever , Samantha E. Miller Noever

Lower atmospheric global dust storms affect the small- and large-scale weather and variability of the whole Martian atmosphere. Analysis of the CO$_2$ density data from the Neutral Gas and Ion Mass Spectrometer instrument (NGIMS) on board…

Space Physics · Physics 2021-04-07 Erdal Yiğit , Alexander S. Medvedev , Mehdi Benna , Bruce Jakosky

Recently, Nadir and Occultation for Mars Discovery (NOMAD) ultraviolet and visible spectrometer instrument on board the European Space Agency's ExoMars Trace Gas Orbiter (TGO) simultaneously measured the limb emission intensities for both…

Earth and Planetary Astrophysics · Physics 2021-02-17 Susarla Raghuram , Sonal Kumar Jain , Anil Bhardwaj

In this work we present laboratory measurements on the reduction of the threshold friction velocity necessary for lifting dust if the dust bed is illuminated. Insolation of a porous soil establishes a temperature gradient. At low ambient…

Earth and Planetary Astrophysics · Physics 2015-08-06 Markus Küpper , Gerhard Wurm

Fluids under nanoscale confinement differ -- and often dramatically -- from their bulk counterparts. A notorious feature of nanoconfined fluids is their inhomogeneous density profile along the confining dimension, which plays a key role in…

Soft Condensed Matter · Physics 2025-08-26 Yuanhao Li

In the paper the step-by-step principles for making local model of electron density are described. They are based on modulation principle - electron density dependence on time is a product of a number of temporal variations caused by solar…

Geophysics · Physics 2007-12-27 O. I. Berngardt

Mars is the next milestone in human exploration. However, there are still several challenges that must be assessed to ensure appropriate conditions in a future settlement. Communications services will be essential for this task, providing…

Earth and Planetary Astrophysics · Physics 2025-05-01 Zachary C. Rowland , Eva Fernandez Rodriguez

Water has been stored in the Martian mantle since its formation, primarily in nominally anhydrous minerals. The short-lived early hydrosphere and intermittently flowing water on the Martian surface may have been supplied and replenished by…

Dust is the main driver of Mars' atmospheric variability. The determination of Martian dust aerosol properties is of high relevance for radiative modelling and calculating its weather forcing. In particular, the light scattering behaviour…

Earth and Planetary Astrophysics · Physics 2019-05-06 H. Chen-Chen , S. Perez-Hoyos , A. Sanchez-Lavega

Accurate thermospheric density prediction is crucial for reliable satellite operations in Low Earth Orbits, especially at high solar and geomagnetic activity. Physics-based models such as TIE-GCM offer high fidelity but are computationally…

Space Physics · Physics 2026-03-30 Cedric Bös , Alessandro Bortotto , Mohamed Khalil Ben-Larbi

All three terrestrial planets with atmospheres support O3 layers of some thickness. While currently only that of Earth is substantial enough to be climatically significant, we hypothesize that ancient Mars may also have supported a thick O3…

Earth and Planetary Astrophysics · Physics 2013-03-18 Justin Deighan , Robert E Johnson

Reconciling the geology of Mars with models of atmospheric evolution remains a major challenge. Martian geology is characterized by past evidence for episodic surface liquid water, and geochemistry indicating a slow and intermittent…

Earth and Planetary Astrophysics · Physics 2021-03-12 Robin Wordsworth , Andrew H. Knoll , Joel Hurowitz , Mark Baum , Bethany L. Ehlmann , James W. Head , Kathryn Steakley

Carbon dioxide clouds, which are speculated by models on solar and extra-solar planets, have been recently observed near the equator of Mars. The most comprehensive identification of Martian CO2 ice clouds has been obtained by the near-IR…

Earth and Planetary Astrophysics · Physics 2011-11-09 Mathieu Vincendon , Cedric Pilorget , Brigitte Gondet , Scott Murchie , Jean-Pierre Bibring

Magnetism prediction is of great significance for Fe-based metallic glasses (FeMGs), which have shown great commercial value. Theories or models established based on condensed matter physics exhibit several exceptions and limited accuracy.…

Materials Science · Physics 2022-03-18 Xin Li , Guangcun Shan , C. H. Shek