Claire Newman
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View article: Rapid Decay of Martian Global Dust Storms Driven by Small‐Scale Deposition Processes in the Lower Planetary Boundary Layer
Rapid Decay of Martian Global Dust Storms Driven by Small‐Scale Deposition Processes in the Lower Planetary Boundary Layer Open
As one of the iconic features on Mars, global dust storms (GDSs) often decay rapidly. However, general circulation models (GCMs) typically underestimate their decay rates, which is one of the major challenges in simulating the Martian atmo…
View article: The Dissipation Regime of Turbulence on Mars With Microphone Data From the Mars 2020 Perseverance Rover
The Dissipation Regime of Turbulence on Mars With Microphone Data From the Mars 2020 Perseverance Rover Open
View article: The Science Case for the MArs Constellation for Atmosphere and space Weather (MACAWS) mission concept
The Science Case for the MArs Constellation for Atmosphere and space Weather (MACAWS) mission concept Open
Scientific Rationale Despite two decades of orbital observations, many fundamental questions about Mars’ atmosphere remain unanswered—especially regarding vertical coupling between atmospheric layers, diurnal and sub-diurnal variability, a…
View article: Improved MarsWRF modeling of Martian dust storms.
Improved MarsWRF modeling of Martian dust storms. Open
On Mars, dust storms are by far the largest contributor to interannual variability in climate and variations in sol-to-sol weather. The thin atmosphere and very small greenhouse effect mean that the impact of adding large atmospheric dust …
View article: The Titan Middle Atmosphere Intercomparison Project
The Titan Middle Atmosphere Intercomparison Project Open
The atmosphere of Titan, the largest moon of Saturn, is unique in the Solar System. Like Earth, its atmosphere is mostly composed of molecular nitrogen, though unlike Earth, there is no molecular oxygen and instead the second most abundant…
View article: An Updated Catalog of Vortices and Dust Devils on Jezero Crater, Mars from MEDA data
An Updated Catalog of Vortices and Dust Devils on Jezero Crater, Mars from MEDA data Open
The MEDA instrument on Mars 2020 has been operating on the surface of Mars for more than 1500 sols obtaining measurements of pressure, temperature and other environmental properties with a fast cadence. Vortices and dust devils appear ofte…
View article: The meteo of Jezero crater as determined from MEDA observations and modeling
The meteo of Jezero crater as determined from MEDA observations and modeling Open
Understanding Martian meteorology at the surface is essential for future robotic and human exploration. The Mars 2020 Perseverance rover has provided an unprecedented opportunity to analyze the atmospheric environment of Jezero crater thro…
View article: MEDA on Mars 2020: Environmental Data and Sensor Insights through Sol 145
MEDA on Mars 2020: Environmental Data and Sensor Insights through Sol 145 Open
. IntroductionThe Mars Environmental Dynamics Analyzer (MEDA) instrument onboard the Mars 2020 Perseverance rover [1] has been measuring the environmental conditions at Jezero Crater for over 1450 sols since landing, covering from Ls ~ 5° …
View article: Surface Dust Coverages on Rock Targets in Gale Crater: Influence of Elevation, Proximity to Aeolian Sand Fields and Seasonality
Surface Dust Coverages on Rock Targets in Gale Crater: Influence of Elevation, Proximity to Aeolian Sand Fields and Seasonality Open
Martian dust is mobilized throughout the year by local, regional, and global dust storms, influencing atmospheric opacity and inhibiting observations of the surface. Using Mars Hand Lens Imager (MAHLI) images and methods of Schmidt et al. …
View article: Mars landers pressure records observe contemporaneous changes in atmospheric composition, dust, and meridional circulation
Mars landers pressure records observe contemporaneous changes in atmospheric composition, dust, and meridional circulation Open
Five years of surface pressure data collected by the Mars rover Curiosity’s Environmental Monitoring Station experienced a recurrent short-lived drop of the daily pressure means, unrelated to dust activity, sudden temperature anomalies, or…
View article: Dust Lifting and Deposition Over Six Mars Years at Gale Crater, Mars, From REMS Observations and Mesoscale Simulations
Dust Lifting and Deposition Over Six Mars Years at Gale Crater, Mars, From REMS Observations and Mesoscale Simulations Open
We present the temporal evolution of the effect of dust accumulation on two surfaces of the Curiosity rover at Gale crater during almost 4,000 sols using Rover Environmental Monitoring Station (REMS), Chemcam and Mastcam observations, and …
View article: The Role of Planetary-Scale Waves on the Stratospheric Superrotation in Titan's Atmosphere
The Role of Planetary-Scale Waves on the Stratospheric Superrotation in Titan's Atmosphere Open
We analyze simulation results from the TitanWRF global circulation model to understand the mechanisms that maintain the equatorial superrotation in Titan's stratosphere. We find that the eddies associated with wave activities can transport…
View article: WindSightNet: The Inter‐Annual Variability of Martian Winds Retrieved From InSight's Seismic Data With Machine Learning
WindSightNet: The Inter‐Annual Variability of Martian Winds Retrieved From InSight's Seismic Data With Machine Learning Open
Wind measurements from landed missions on Mars are vital to characterize the near surface atmospheric behavior on Mars and improve atmospheric models. These winds are responsible for aeolian change and the mixing of dust in and out of the …
View article: Martian Atmospheric Disturbances From Orbital Images and Surface Pressure at Jezero Crater, Mars, During Martian Year 36
Martian Atmospheric Disturbances From Orbital Images and Surface Pressure at Jezero Crater, Mars, During Martian Year 36 Open
We present a study of atmospheric disturbances at Jezero Crater, Mars, using ground‐based measurements of surface pressure by the Perseverance rover in combination with orbital images from the Mars Express and Mars Reconnaissance Orbiter m…
View article: Profiling Near-surface Winds on Mars Using Attitude Data from Mars 2020 Ingenuity
Profiling Near-surface Winds on Mars Using Attitude Data from Mars 2020 Ingenuity Open
We used attitude data from the Mars Ingenuity helicopter with a simple steady-state model to estimate wind speeds and directions at altitudes between 3 and 24 m, the first time winds at such altitudes have been probed on Mars. We compared …
View article: Evaluation of the InSightSeers and DART Boarders mission observer programmes
Evaluation of the InSightSeers and DART Boarders mission observer programmes Open
View article: Drying of the Martian mesosphere during aphelion induced by lower temperatures
Drying of the Martian mesosphere during aphelion induced by lower temperatures Open
View article: Profiling Near-Surface Winds on Mars Using Attitude Data from Mars 2020 Ingenuity
Profiling Near-Surface Winds on Mars Using Attitude Data from Mars 2020 Ingenuity Open
We used attitude data from the Mars Ingenuity helicopter with a simple steady-state model to estimate windspeeds and directions at altitudes of 3 meters up to 24 meters, the first time winds at such altitudes have been probed on Mars. We c…
View article: Decline in Water Ice Abundance in the Martian Mesosphere during Aphelion
Decline in Water Ice Abundance in the Martian Mesosphere during Aphelion Open
Clouds play a crucial role in the past and current climate of Mars. Cloud particles impact the planet's energy balance and atmospheric dynamics, as well as influence the vertical distribution of dust particles through dust scavenging. This…
View article: Advance Dust Devil Detection with AI using Mars2020 MEDA instrument
Advance Dust Devil Detection with AI using Mars2020 MEDA instrument Open
IntroductionMars’ dust cycle is a critical factor that drives the weather and climate of the planet. Airbornedust affects the energy balance that drives the atmospheric dynamic. Therefore, for studying the present-day and recent-past…
View article: Dust Accumulation and Lifting at the Landing Site of the Mars 2020 Mission, Jezero Crater, as Observed From MEDA
Dust Accumulation and Lifting at the Landing Site of the Mars 2020 Mission, Jezero Crater, as Observed From MEDA Open
We quantify the effect of dust accumulation at Jezero crater by means of a Dust Correction Factor (DCF) for the solar radiation measured by the photodiodes of the Radiation and Dust Sensor of the Mars 2020 mission. After one Mars Year, dus…
View article: US wool industry perceptions of digital record keeping and wool supply-chain traceability
US wool industry perceptions of digital record keeping and wool supply-chain traceability Open
The objectives of this research were to assess the awareness and perceptions of technology currently available to the US sheep industry, to determine how each industry segment prioritizes data records, to understand what level of premiums …
View article: Present-day thermal and water activity environment of the Mars Sample Return collection
Present-day thermal and water activity environment of the Mars Sample Return collection Open
The Mars Sample Return mission intends to retrieve a sealed collection of rocks, regolith, and atmosphere sampled from Jezero Crater, Mars, by the NASA Perseverance rover mission. For all life-related research, it is necessary to evaluate …
View article: Vortices and Dust Devils on Jezero Crater, Mars: inner thermal structure and dependence on surface properties 
Vortices and Dust Devils on Jezero Crater, Mars: inner thermal structure and dependence on surface properties  Open
We investigate the vortex and dust devil activity on Jezero crater over more than one and half Martian years of meteorological data acquired by the MEDA sensors on the Mars 2020 Perseverance rover. During the initial phase of the M2020 mis…
View article: Perseverance MEDA Atmospheric Pressure Observations—Initial Results
Perseverance MEDA Atmospheric Pressure Observations—Initial Results Open
The Mars2020 Perseverance Rover landed successfully on the Martian surface on the Jezero Crater floor (18.44°N, 77.45°E) at Martian solar longitude, L s , ∼5° in February 2021. Since then, it has produced highly valuable environmental meas…
View article: Pressure Deficit in Gale Crater and a Larger Northern Polar Cap After the MY34 Global Dust Storm
Pressure Deficit in Gale Crater and a Larger Northern Polar Cap After the MY34 Global Dust Storm Open
We describe the model‐independent analysis technique of Mars Science Laboratory (MSL) pressure and Mars Climate Sounder (MCS) data in de la Torre Juárez et al. (2019, https://doi.org/10.22541/essoar.169945479.90436599/v1 ) that compared mu…
View article: P51C-02 PRESSURE DEFICIT IN GALE CRATER AND A LARGER NORTHERN POLAR CAP AFTER THE GLOBAL DUST STORM OF MARS YEAR 34
P51C-02 PRESSURE DEFICIT IN GALE CRATER AND A LARGER NORTHERN POLAR CAP AFTER THE GLOBAL DUST STORM OF MARS YEAR 34 Open
In past global dust storms, no long lasting anomalies in the pressure cycle had been observed. The Global Dust Storm of Mars Year 34 (MY34), however, left behind an average surface pressure lower than what was expected based on the the val…
View article: Investigating Diurnal and Seasonal Turbulence Variations of the Martian Atmosphere Using a Spectral Approach
Investigating Diurnal and Seasonal Turbulence Variations of the Martian Atmosphere Using a Spectral Approach Open
We use a spectral approach to analyze the pressure and wind data from the InSight mission and investigate the diurnal and seasonal trends. Our analyses show that the daytime pressure and wind spectra have slopes of approximately −1.7 and −…
View article: Dust Lifting Observations With the Mars Science Laboratory Navigation Cameras
Dust Lifting Observations With the Mars Science Laboratory Navigation Cameras Open
Martian dust lifting is believed to occur through two primary mechanisms: dust devils and wind stress forced dust lifting. Gale Crater's varied terrain and meteorology provide a unique in situ perspective on Martian dust lifting, with the …
View article: Dust Lifting Observations with the Mars Science Laboratory Navigation Cameras
Dust Lifting Observations with the Mars Science Laboratory Navigation Cameras Open
CSV files containing information on Mars Science Laboratory Navigation Camera observations of dust lifting events. Including dates, sequence identifiers, dust lifting detection statistics, locations of some dust lifting events, and their i…