Sciences and Exploration Directorate

Scott David Guzewich

(Associate Chief)

Scott David Guzewich's Contact Card & Information.
Phone: 301.286.1542
Org Code: 699
Mail Code 699
Greenbelt, MD 20771

Missions & Projects

Current Projects

Deputy Project Scientist: OSIRIS-APEX Mission

Mars Science Laboratory Participating Scientist


Studying atmospheric aerosols with the Mast Camera and atmospheric dynamics with the Rover Environmental Monitoring System.  

Impact of Volcanism on Terrestrial Planet Habitability

Using GCM modeling to study the climate impacts of volcanic flood basalt eruptions

Mars Environmental Dynamics Analyzer, Mars 2020 Mission



Supervisory Research Astrophysicist

NASA - Goddard Space Flight Center

May 2020 - Present

Associate Lab Chief of the Planetary Environments Laboratory (Code 699)

Research Astrophysicist


November 2016 - May 2020

Staff Scientist

CRESST/Universities Space Research Association - NASA Goddard Spaceflight Center

April 2016 - November 2016

Visiting Scientist

CRESST/Universities Space Research Association - NASA Goddard Spaceflight Center

February 2015 - April 2016

NASA Postdoctoral Fellow

Oak Ridge Associated Universities - Goddard Space Flight Center

February 2013 - February 2015


Graduate Fellow

Johns Hopkins University - Johns Hopkins University Applied Physics Laboratory

September 2009 - January 2013


Weather Officer

United States Air Force - Fort Hood, TX; Giebelstadt, Germany; Scott AFB, Illinois

June 2003 - August 2009



2013 Ph.D., Johns Hopkins University.  Thesis Title:  Dust and Tides in the Martian Atmosphere.  Advisors:                       Elsayed Talaat and Darryn Waugh
2007 MBA, Cameron University.
2003 BS, Meteorology, Pennsylvania State University

Professional Societies

American Geophysical Union

2013 - Present

American Meteorological Society

2013 - Present

Professional Service

2021-present: OSIRIS-APEX Deputy Project Scientist

2017-present: Mars 2020 Mars Environmental Dynamics Analyzer Science Team member

2016-present: Mars Science Laboratory Participating Scientist

2016: Project Manager, NASA GSFC Planetary Science Winter School

2013-2016: Mars Science Laboratory Science Team member

2015: Principal Investigator, NASA GSFC Planetary Science Winter School

2013-present: Mars Atmosphere and Volatile Evolution Mission Science Team member

American Geophysical Union

American Meteorological Society

Reviewer, Science

Reviewer, Nature

Reviewer, Geophysical Research Letters

Reviewer, Icarus

Reviewer, Journal of Geophysical Research

Reviewer, Planetary and Space Science

Reviewer, NASA ROSES

2012: Concepts and Approaches for Mars Exploration, student presenter

2011: Jet Propulsion Laboratory Planetary Science Summer School

2009: Graduate Student Rapporteur, 1st Meeting of the Satellites Panel of the Planetary Science Decadal Survey


2020: Robert H. Goddard Award for Exceptional Achievement for Science

2020: NASA Exceptional Scientific Achievement Medal

2019: Mars Science Laboratory 2018 Global Dust Storm Science Campaign Team Group Achievement Award

2017: NASA Group Achievement Award: Mars Science Laboratory Extended Mission-1 Science and Operations Team

2016: NASA Group Achievement Award: MAVEN Science Team

2015: NASA Group Achievement Award: Mars Science Laboratory Prime Mission Science and Operations Team

2011-2012: Owen Scholars Fellowship

2010-2013: Applied Physics Laboratory Graduate Student Fellowship

2009-10: JHU Department of Earth and Planetary Sciences Fellowship

2009: US Air Force Commendation Medal

2008: US Army Commendation Medal, Operation Iraqi Freedom Service Medal

2006: US Army Commendation Medal


Detecting Missing Dust Activity during Southern Polar Summer - NASA Mars Data Analysis Program - Awarded: 2022-09-01

Devils on Mt. Sharp - NASA Mars Science Laboratory Participating Scientist - Awarded: 2022-04-01

Small Lidar for Profiling Water Vapor and Winds from Planetary Landers - NASA PICASSO - Awarded: 2020-10-01

MOSAIC: Mars Orbiters for Surface, Atmosphere, and Ionosphere Connections - NASA: Planetary Mission Concept Studies - Awarded: 2019-10-01

Dates: 2019-11-01  - 2020-08-31

Atmospheric Transport in the Polar Vortices of Mars and Titan - NASA: Solar System Workings - Awarded: 2019-08-01

Dates: 2019-10-01  - 2022-09-30

Dynamics and Surface Interactions of Pluto's Atmosphere - NASA: Solar System Workings - Awarded: 2019-01-01

Dates: 2019-01-01  - 2021-12-31

Modeling Volcanic Climate Disruptions with GEOS-5: Implications for Terrestrial Planet Habitability - ISFM: NASA GSFC Sellers Exoplanet Environments Collaboration - Awarded: 2018-10-01

Dates: 2018-10-01  - 2021-09-30

Simulating Factors Influencing Habitable Exoplanets with ROCKE3D - ISFM: NASA GSFC Sellers Exoplanet Environments Collaboration - Awarded: 2018-01-01

Dates: 2018-01-01  - 2020-12-31

MARLI: Mars Lidar for Global Climate Measurements from Orbit - NASA - Awarded: 2017-11-01

Dates: 2017-12-01  - 2019-11-30

Investigating Atmospheric Sources of Water of Recurring Slope Lineae on Mars - NASA - Awarded: 2016-07-01

Dates: 2016-10-01  - 2019-09-30

Linking Atmospheric Aerosol Particle Size and Dynamics - NASA - Awarded: 2016-03-01

Dates: 2016-04-15  - 2020-04-14


Rocky Planet Habitability: Insights from Solar System Climate Dynamics Through Time - NASA - Awarded: 2015-02-01

Dates: 2015-02-01  - 2020-01-31


Investigation of Mars Polar Vortex Dynamics - NASA - Awarded: 2013-12-01

Dates: 2014-03-17  - 2017-03-16


Identification and Investigation of Dust Storm Source Regions from Orbital Observations - NASA - Awarded: 2013-03-01

Dates: 2013-07-15  - 2017-07-14



2024. "Mineral dust optical properties for remote sensing and global modeling: A review." Remote Sensing of Environment 303 113982 [10.1016/j.rse.2023.113982] [Journal Article/Letter]

2024. "The Mars Science Laboratory record of optical depth measurements via solar imaging." Icarus 408 115821 [10.1016/j.icarus.2023.115821] [Journal Article/Letter]

2023. "Dust Lifting Observations With the Mars Science Laboratory Navigation Cameras." Journal of Geophysical Research: Planets 128 (10): [10.1029/2023je007959] [Journal Article/Letter]

2023. "The Prospect of Detecting Volcanic Signatures on an ExoEarth Using Direct Imaging." The Astronomical Journal 166 (5): 199 [10.3847/1538-3881/acfe12] [Journal Article/Letter]

2023. "OSIRIS-APEX: An OSIRIS-REx Extended Mission to Asteroid Apophis." The Planetary Science Journal 4 (10): 198 [10.3847/psj/acf75e] [Journal Article/Letter]

2023. "The Mars Atmosphere Water Ice Aerosol Climatology by MRO/CRISM: 5 Mars Years of Observations." Journal of Geophysical Research: Planets [10.1029/2023je007761] [Journal Article/Letter]

2023. "Cloud identification in Mars daily global maps with deep learning." Icarus 389 115252 [10.1016/j.icarus.2022.115252] [Journal Article/Letter]

2023. "Mars 2020 Perseverance Rover Studies of the Martian Atmosphere Over Jezero From Pressure Measurements." Journal of Geophysical Research: Planets 128 (1): [10.1029/2022je007480] [Journal Article/Letter]

2022. "Winds at the Mars 2020 Landing Site: 1. Near‐Surface Wind Patterns at Jezero Crater." Journal of Geophysical Research: Planets 127 (12): [10.1029/2022je007522] [Journal Article/Letter]

2022. "Winds at the Mars 2020 Landing Site. 2. Wind Variability and Turbulence." Journal of Geophysical Research: Planets 127 (12): [10.1029/2022je007523] [Journal Article/Letter]

2022. "Dynamical Core Damping of Thermal Tides in the Martian Atmosphere." Journal of the Atmospheric Sciences [10.1175/jas-d-22-0026.1] [Journal Article/Letter]

2022. "The dynamic atmospheric and aeolian environment of Jezero crater, Mars." Science Advances 8 (21): [10.1126/sciadv.abn3783] [Journal Article/Letter]

2022. "Volcanic Climate Warming Through Radiative and Dynamical Feedbacks of SO 2 Emissions." Geophysical Research Letters 49 (4): [10.1029/2021gl096612] [Journal Article/Letter]

2021. "MOSAIC: A Satellite Constellation to Enable Groundbreaking Mars Climate System Science and Prepare for Human Exploration." The Planetary Science Journal 2 (5): 211 [10.3847/psj/ac0538] [Journal Article/Letter]

2021. "The Surface Energy Budget at Gale Crater During the First 2500 Sols of the Mars Science Laboratory Mission." Journal of Geophysical Research: Planets 126 (9): [10.1029/2020je006804] [Journal Article/Letter]

2021. "Limits on Runoff Episode Duration for Early Mars: Integrating Lake Hydrology and Climate Models." Geophysical Research Letters 48 (15): [10.1029/2021gl093523] [Journal Article/Letter]

2021. "Gravity Wave Observations by the Mars Science Laboratory REMS Pressure Sensor and Comparison with Mesoscale Atmospheric Modeling with MarsWRF." Journal of Geophysical Research: Planets [10.1029/2021je006907] [Journal Article/Letter]

2021. "3D Simulations of the Early Martian Hydrological Cycle Mediated by a H 2 ‐CO 2 Greenhouse." Journal of Geophysical Research: Planets 126 (7): [10.1029/2021je006825] [Journal Article/Letter]

2020. "The Line‐of‐Sight Extinction record at Gale Crater as observed by MSL's Mastcam and Navcam through ~2500 sols." Journal of Geophysical Research: Planets [10.1029/2020je006465] [Journal Article/Letter]

2020. "Changes in Soil Cohesion Due to Water Vapor Exchange: A Proposed Dry‐Flow Trigger Mechanism for Recurring Slope Lineae on Mars." Geophysical Research Letters 47 (11): [10.1029/2020gl087618] [Journal Article/Letter]

2020. "Aphelion Cloud Belt phase function investigations with Mars Color Imager (MARCI)." Planetary and Space Science 184 104840 [10.1016/j.pss.2020.104840] [Journal Article/Letter]

2020. "The Impact of Planetary Rotation Rate on the Reflectance and Thermal Emission Spectrum of Terrestrial Exoplanets around Sunlike Stars." The Astrophysical Journal 893 (2): 140 [10.3847/1538-4357/ab83ec] [Journal Article/Letter]

2020. "Atmospheric transport into polar regions on Mars in different orbital epochs." Icarus 113816 [10.1016/j.icarus.2020.113816] [Journal Article/Letter]

2020. "Estimating the altitudes of Martian water-ice clouds above the Mars Science Laboratory rover landing site." Planetary and Space Science 182 104785 [10.1016/j.pss.2019.104785] [Journal Article/Letter]

2020. "Design of a direct-detection wind and aerosol lidar for mars orbit." CEAS Space Journal 12 (2): 149-162 [10.1007/s12567-020-00301-z] [Journal Article/Letter]

2020. "Detections of Water Vapor Increase over the North Polar Troughs on Mars as Observed by CRISM." Geophysical Research Letters [10.1029/2019gl086195] [Journal Article/Letter]

2019. "Albedos, Equilibrium Temperatures, and Surface Temperatures of Habitable Planets." The Astrophysical Journal 884 (1): 75 [10.3847/1538-4357/ab3be8] [Journal Article/Letter]

2019. "IRTF/CSHELL Mapping of Atmospheric HDO, H2O and D/H on Mars during Northern Summer." Icarus 330 204-216 [doi:10.1016/j.icarus.2019.04.007] [Journal Article/Letter]

2019. "Vertical and horizontal heterogeneity of atmospheric dust loading in northern Gale Crater, Mars." Icarus 329 [10.1016/j.icarus.2019.03.041] [Journal Article/Letter]

2019. "Large Dust Aerosol Sizes Seen During the 2018 Martian Global Dust Event by the Curiosity Rover." Geophysical Research Letters 46 (16): 9448-9456 [10.1029/2019gl084407] [Journal Article/Letter]

2019. "The Methane Diurnal Variation and Microseepage Flux at Gale Crater, Mars as Constrained by the ExoMars Trace Gas Orbiter and Curiosity Observations." Geophysical Research Letters 46 (16): 9430-9438 [10.1029/2019gl083800] [Journal Article/Letter]

2019. "Visibility and Line‐Of‐Sight Extinction Estimates in Gale Crater during the 2018/MY34 Global Dust Storm." Geophysical Research Letters 2019GL083788 [10.1029/2019gl083788] [Journal Article/Letter]

2019. "Effects of the MY34/2018 Global Dust Storm as Measured by MSL REMS in Gale Crater." Journal of Geophysical Research: Planets 124 (7): 1899-1912 [10.1029/2019je005985] [Journal Article/Letter]

2019. "Constraints on Mars Aphelion Cloud Belt phase function and ice crystal geometries." Planetary and Space Science 168 62-72 [] [Journal Article/Letter]

2019. "Understanding the Water Cycle Above the North Polar Cap on Mars Using MRO CRISM Retrievals of Water Vapor." Icarus 321 722 - 735 [doi:10.1016/j.icarus.2018.12.024] [Journal Article/Letter]

2019. "TEAM - Titan Exploration Atmospheric Microprobes." 2019 IEEE Aerospace Conference [10.1109/aero.2019.8742127] [Proceedings]

2019. "Seasonal Variation in Martian Water Ice Cloud Particle Size." Journal of Geophysical Research: Planets 124 (2): 636-643 [10.1029/2018je005843] [Journal Article/Letter]

2019. "Mars Science Laboratory observations of the 2018/Mars Year 34 global dust storm." Geophysical Research Letters [doi:10.1029/2018GL080839] [Journal Article/Letter]

2019. "Age of martian air: Time scales for martian atmospheric transport." Icarus 317 148-157 [] [Journal Article/Letter]

2018. "The cascade from local to global dust storms on Mars: Temporal and spatial thresholds on thermal and dynamical feedback." Icarus 302 514-536 [10.1016/j.icarus.2017.11.032] [Journal Article/Letter]

2018. "Geophysical and Environmental Monitoring of Astronaut Exploration Zones." Dust in the Atmosphere of Mars and its Impact on Human Exploration, Cambridge Scholars Publishing Chapter 16 [Article in Book]

2017. "The Vertical Dust Profile Over Gale Crater, Mars." Journal of Geophysical Research: Planets 122 [10.1002/2017je005420] [Journal Article/Letter]

2017. "Winds measured by the Rover Environmental Monitoring Station (REMS) during the Mars Science Laboratory (MSL) rover's Bagnold Dunes Campaign and comparison with numerical modeling using MarsWRF." Icarus [10.1016/j.icarus.2016.12.016] [Journal Article/Letter]

2017. "An investigation of dust storms observed with the Mars Color Imager." Icarus 289 199-213 [10.1016/j.icarus.2017.02.020] [Journal Article/Letter]

2017. "The Modern Near-Surface Martian Climate: A Review of In-situ Meteorological Data from Viking to Curiosity." Space Science Reviews 212 (1-2): 295–338 [10.1007/s11214-017-0360-x] [Journal Article/Letter]

2017. "What Causes Mars’ Annular Polar Vortices?." Geophysical Research Letters 44 71–78 [10.1002/2016gl071857] [Journal Article/Letter]

2017. "Penitentes as the origin of the bladed terrain of Tartarus Dorsa on Pluto." Nature 541 (7636): 188-190 [10.1038/nature20779] [Journal Article/Letter]

2016. "The effect of dust on the martian polar vortices." Icarus 278 100-118 [10.1016/j.icarus.2016.06.009] [Journal Article/Letter]

2016. "Atmospheric tides in Gale Crater, Mars." Icarus 268 37-49 [10.1016/j.icarus.2015.12.028] [Journal Article/Letter]

2016. "Martian polar vortices: Comparison of reanalyses." Journal of Geophysical Research: Planets [10.1002/2016je005093] [Journal Article/Letter]

2015. "MAVEN observations of the response of Mars to an interplanetary coronal mass ejection." Science 350 (6261): aad0210-aad0210 [10.1126/science.aad0210] [Journal Article/Letter]

2015. "Early MAVEN Deep Dip campaign reveals thermosphere and ionosphere variability." Science 350 (6261): aad0459-aad0459 [10.1126/science.aad0459] [Journal Article/Letter]

2015. "Mars Orbiter Camera climatology of textured dust storms." Icarus 258 1-13 [10.1016/j.icarus.2015.06.023] [Journal Article/Letter]

2015. "General circulation models of the dynamics of Pluto’s volatile transport on the eve of the New Horizons encounter." Icarus 254 306-323 [10.1016/j.icarus.2015.03.034] [Journal Article/Letter]

2015. "Seasonal variations in Pluto’s atmospheric tides." Icarus 246 247-267 [10.1016/j.icarus.2014.05.017] [Journal Article/Letter]

2014. "The vertical distribution of Martian aerosol particle size." Journal of Geophysical Research: Planets 119 (12): 2694-2708 [10.1002/2014je004704] [Journal Article/Letter]

2014. "Influence of water ice clouds on nighttime tropical temperature structure as seen by the Mars Climate Sounder." Geophysical Research Letters 41 (10): 3375-3381 [10.1002/2014gl060086] [Journal Article/Letter]

2014. "Thermal tides during the 2001 Martian global-scale dust storm." Journal of Geophysical Research-Planets 119 506–519 [10.1002/2013JE004502] [Journal Article/Letter]


2021. "Building a standardized Observing System Simulation Experiment (OSSE) framework for Mars." Vol. 53, Issue 4 (Planetary/Astrobiology Decadal Survey Whitepapers) 53 (4): [10.3847/25c2cfeb.0483bad0] [Journal Article/Letter]

2021. "Measuring Mars Atmospheric Winds from Orbit." Vol. 53, Issue 4 (Planetary/Astrobiology Decadal Survey Whitepapers) 53 (4): [10.3847/25c2cfeb.6576a506] [Other]

2021. "The case for a multi-channel polarization sensitive LIDAR for investigation of insolation-driven ices and atmospheres." Vol. 53, Issue 4 (Planetary/Astrobiology Decadal Survey Whitepapers) 53 (4): [10.3847/25c2cfeb.8c410c60] [Other]

2021. "Solar-System-Wide Significance of Mars Polar Science." Vol. 53, Issue 4 (Planetary/Astrobiology Decadal Survey Whitepapers) 53 (4): [10.3847/25c2cfeb.4db95c67] [Other]

2021. "The Mars Atmospheric and Polar Science Mission." Vol. 53, Issue 4 (Planetary/Astrobiology Decadal Survey Whitepapers) 53 (4): [10.3847/25c2cfeb.7e4e0e4d] [Other]

2018. "Development of a Mars lidar (MARLI) for measuring wind and aerosol profiles from orbit." Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing XIV [10.1117/12.2325408] [Proceedings]