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Studying the atmospheric Planetary Boundary Layer (PBL) is crucial to understand the climate of a planet. The meteorological measurements by the instruments onboard InSight at a latitude of 4.5$^{\circ}$N make a uniquely rich dataset to…

Unmanned Aerial Vehicles (UAVs) play a crucial role in meteorological research, particularly in environmental wind field measurements. However, several challenges exist in current wind measurement methods using UAVs that need to be…

Robotics · Computer Science 2024-09-04 Haowen Yu , Xianqi Liang , Ximin Lyu

Progress in space weather research and awareness needs community-wide strategies and procedures to evaluate our modeling assets. Here we present the activities of the Ambient Solar Wind Validation Team embedded in the COSPAR ISWAT…

By measuring the regular oscillations of the density of CO$_{2}$ in the upper atmosphere (between 120 and 190~km), the mass spectrometer MAVEN/NGIMS (Atmosphere and Volatile EvolutioN/Neutral Gas Ion Mass Spectrometer) reveals the local…

Earth and Planetary Astrophysics · Physics 2019-09-24 M. Vals , A. Spiga , F. Forget , E. Millour , L. Montabone , F. Lott

The impact of a rarest solar wind phenomenon [disappearing solar wind (DSW) event during 26-28 December 2022] on the Martian nightside ionosphere is investigated, for the first time, using MAVEN datasets. During an extremely low solar wind…

Space Physics · Physics 2024-04-12 L. Ram , D. Rout , S. Sarkhel

Global dust storms are the most thermodynamically significant dust events on Mars. They are produced from the combination of multiple local and regional lifting events and maintained by positive radiative-dynamic feedbacks. The most recent…

Earth and Planetary Astrophysics · Physics 2020-08-05 Tanguy Bertrand , R. John Wilson , Melinda A. Kahre , Richard Urata , Alex Kling

Looking at the Mars-solar wind interaction on a larger spatial scale than the near Mars region, the planet can be seen as an ion source interacting with the solar wind, in many ways like a comet, but with a smaller ion source region. Here…

Space Physics · Physics 2015-12-09 Mats Holmstrom , Xiao-Dong Wang

Over the past decades, global geodynamical models have been used to investigate the thermal evolution of terrestrial planets. With the increase of computational power and improvement of numerical techniques, these models have become more…

Earth and Planetary Astrophysics · Physics 2022-08-22 Ana-Catalina Plesa , Mark Wieczorek , Martin Knapmeyer , Attilio Rivoldini , Michaela Walterova , Doris Breuer

The solar wind upstream of Mars's bow shock can be described in terms of Alfv\'enic turbulence, with an incompressible energy cascade rate of $10^{-17}$ J m$^{-3}$ s$^{-1}$ at magnetohydrodynamics (MHD) scales. The solar wind has more…

Solar and Stellar Astrophysics · Physics 2024-06-26 Norberto Romanelli , Christopher M. Fowler , Gina A. DiBraccio , Jared R. Espley , Jasper S. Halekas

Aims: To predict the cruise radiation environment related to future human missions to Mars, the correlation between solar modulation potential and the dose rate measured by the Radiation Assessment Detector (RAD) has been analyzed and…

Wind is a critical component of the Earth system and has unmistakable impacts on everyday life. The CYGNSS satellite mission improves observational coverage of ocean winds via a fleet of eight micro-satellites that use reflected GNSS…

Applications · Statistics 2022-03-09 William Bekerman , Joseph Guinness

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

Soil assessment is important for mobile robot planning and navigation on natural and planetary environments. Terramechanic characteristics can be inferred from the thermal behaviour of soils under the influence of sunlight using remote…

This PhD thesis consists on a study of the atmospheric dynamics of the planet Venus with data from two space missions separated in time: the Galileo mission and Venus Express. Concretely, images obtained with different wavelengths have been…

Earth and Planetary Astrophysics · Physics 2018-10-15 Javier Peralta

Accurately representing surface weather at the sub-kilometer scale is crucial for optimal decision-making in a wide range of applications. This motivates the use of statistical techniques to provide accurate and calibrated probabilistic…

Atmospheric and Oceanic Physics · Physics 2024-11-15 Francesco Zanetta , Daniele Nerini , Matteo Buzzi , Henry Moss

The Visual Monitoring Camera (VMC) is a small imaging instrument onboard Mars Express with a field of view of ~40x30 degrees. The camera was initially intended to provide visual confirmation of the separation of the Beagle 2 lander and has…

We analyse the potential of the electric solar wind sail for solar system space missions. Applications studied include fly-by missions to terrestrial planets (Venus, Mars and Phobos, Mercury) and asteroids, missions based on non-Keplerian…

Instrumentation and Methods for Astrophysics · Physics 2014-04-24 Pekka Janhunen , Petri Toivanen , Jouni Envall , Sini Merikallio , Giuditta Montesanti , Jose Gonzalez del Amo , Urmas Kvell , Mart Noorma , Silver Lätt

For the first time, the Emirates Mars Infrared Spectrometer (EMIRS) instrument on board the Emirates Mars Mission (EMM) "Hope", is providing us with the temperature measurements of Mars at all local times covering most of the planet. As a…

Earth and Planetary Astrophysics · Physics 2022-11-09 Dimitra Atri , Nour Abdelmoneim , Dattaraj B. Dhuri , Mathilde Simoni

The Solar Wind Around Pluto (SWAP) instrument on NASA's New Horizon Pluto mission has collected solar wind observations en route from Earth to Pluto, and these observations continue beyond Pluto. Few missions have explored the solar wind in…

Solar and Stellar Astrophysics · Physics 2016-04-20 H. A. Elliott , D. J. McComas , P. Valek , G. Nicolaou , S. Weidner , G. Livadiotis

Variations in the solar wind density introduce variable delays into pulsar timing observations. Current pulsar timing analysis programs only implement simple models of the solar wind, which not only limit the timing accuracy, but can also…

Astrophysics · Physics 2009-11-13 X. P. You , G. B. Hobbs , W. A. Coles , R. N. Manchester , J. L. Han