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5 results on '"Tamppari, Leslie"'

1. THE FIRST FROST DETECTION CAMPAIGN BY THE MARS 2020 PERSEVERANCE ROVER: IMPLEMENTATION AND RESULTS

Author

Martínez, Germán, Lasue, Jérémie, Meslin, Pierre-Yves, Chide, Baptiste, Caravaca, Gwénaël, López-Reyes, Guillermo, Tamppari, Leslie K., Beyssac, Olivier, Polkko, J., Hieta, M., Genzer, M., Harri, A.-M., Newman, Claire, Gillespie, Hartzel, Fischer, Erik, Mora, Luis, Sebastián, Eduardo, Wiens, Roger, Rodríguez Manfredi, Jose, Lunar and Planetary Institute [Houston] (LPI), Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Los Alamos National Laboratory (LANL), Universidad de Valladolid [Valladolid] (UVa), Jet Propulsion Laboratory (JPL), NASA-California Institute of Technology (CALTECH), Institut de minéralogie, de physique des matériaux et de cosmochimie (IMPMC), Muséum national d'Histoire naturelle (MNHN)-Institut de recherche pour le développement [IRD] : UR206-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Finnish Meteorological Institute (FMI), Aeolis Research, University of Michigan [Ann Arbor], University of Michigan System, Centro de Astrobiologia [Madrid] (CAB), Instituto Nacional de Técnica Aeroespacial (INTA)-Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, and Lunar and Planetary Institute

Subjects
Jezero crater, [SDU.STU.PL]Sciences of the Universe [physics]/Earth Sciences/Planetology, SuperCam, [SDU]Sciences of the Universe [physics], [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy, Mars 2020, Mars, [SDU.STU]Sciences of the Universe [physics]/Earth Sciences, frost
Abstract

International audience; Here we describe the first campaign launched by the Perseverance rover to detect frost during the first Martian year of operations (669 sols as of Jan 5, 2023). This campaign was conceived, developed and executed following lessons learnt from the Mars Science Laboratory Mission, where frost was likely detected [1].Between sols 546 and 548 during northern winter (Ls ~297), measurements of ground temperature and relative humidity by the Mars Environmental Dynamics Analyzer (MEDA, [2]) were used to predict frost formation, while SuperCam laser-induced breakdown spectroscopy (LIBS) and Raman spectrometer measurements [3,4] were used to detect frost formation on a target informally called Snowy Mountain. While the measured ground temperature fell below the estimated frost point, and therefore frost was predicted by MEDA, neither H enrichment in LIBS measurements nor Raman peaks associated with water ice were detected by SuperCam.

Published
2023

2. Water vapor at Jezero Crater, Mars

Author

Tamppari, Leslie K., Martínez, Germán, Rodríguez Manfredi, Jose, de la Torre-Juárez, Manuel, Hieta, Maria, Polkko, Jouni, Jaakonaho, Iina, Genzer, Maria, Harri, Ari-Matti, Mcconnochie, Timothy H., Montmessin, Franck, Smith, Michael D., Wolff, Michael, Fischer, Erik, Gomez, Felipe, Zorzano, Maria‐paz, Viudez-Moreiras, Daniel, Patel, Priyaben, Lemmon, Mark, Knutsen, Elise Wright, Pla‐garcía, Jorge, Fouchet, Thierry, and Cardon, Catherine

Subjects
[SDU] Sciences of the Universe [physics]
Abstract

Water on Mars is of interest today to assess the current cycling of water in and out of the regolith, cycling of water on and off of the polar caps, and to understand the current habitability potential of Mars. The regolith at polar and non-polar latitudes is an important reservoir for water storage, and an important resource for human exploration, and exchange of water between the regolith and atmosphere may play an important role in the global water cycle. Understanding water on Mars today helps us model the water cycle during different epochs on Mars, during which there was much more liquid water present in the system and Mars may have been inhabited.Additional time coverage and an additional location on the surface of Mars provided by the Perseverance MEDA relative humidity measurements at Jezero crater help reveal the regional similarities and differences across Mars. In addition, the Perseverance SuperCam or TIRS instruments can be used with the MEDA measurements of relative humidity to detect frost formation [2], to assess diurnal changes in the near-surface water content, possibly due to subsurface exchange (e.g., [5-6, 1]) or consistent with surface frost [2], and to check whether the environmental conditions at the surface and in the near surface are compatible with the formation of liquid brines [3-4].We examine the water vapor in the Martian atmosphere in the vicinity of Jezero Crater, Mars, where the Perseverance Rover is currently operating and acquiring data. We place the new water measurements from the rover instruments into the broader context, relating measurements to those of orbiters and other landers.

Published
2022

3. Overview of Near-Surface Atmospheric Processes at Jezero from Meda Observations

Author

de la Torre-Juárez, Manuel, Rodríguez Manfredi, Jose, Martínez, Germán, Newman, Claire, Lemmon, Mark, Hueso, Ricardo, Munguira, Asier, Tamppari, Leslie, Sanchez-Lavega, Augustin, Apestigue, Victor, Arruego, Ignacio, Banfield, Donald, Boland, Justin, Conrad, Pamela, del Rio, Teresa, Vicente -Retortillo, Álvaro, Dominguez-Pumar, Manuel, Fischer, Erik, Genzer, Maria, Gimenez, S., Gómez Elvira, Javier, Gómez, Felipe, Guzewich, Scott, Harri, Ari-Matti, Hieta, M., Jimenez, Victor, Lepinette, Alain, Marín, M., Martin-Rubio, Carolina, Molina, Antonio, Montmessin, Franck, Mora-Sotomayor, Luis, Navarro, Sara, Peinado, Veronica, Pérez‐hoyos, Santiago, Pla‐garcía, Jorge, Polkko, Jouni, Romeral, Julio, Romero, C., Savijärvi, Hannu, Sebastian, E., Smith, M.D., Sullivan, Rob, Tate, Christian, Toledo-Carrasco, Daniel, Torres, Josefina, Urquí, Roser, Viudez-Moreiras, Daniel, Wolff, Michael, Zorzano, Maria-Paz, Zurita, Sofia, and Cardon, Catherine

Subjects
[SDU] Sciences of the Universe [physics]
Published
2022

4. Relative humidity and vapor amount at Jezero Crater

Author

Tamppari, Leslie K., Martinez, German, Rodríguez Manfredi, Jose, de la Torre-Juárez, Manuel, Hieta, M., Polkko, Jouni, Jaakonaho, I., Genzer, M., Harri, Ari-Matti, Mcconnochie, Timothy, Montmessin, Franck, Smith, Michael D., Wolff, Mike, Fisher, Erik, Conrad, Pamela, Gómez, Felipe, Zorzano, María‐paz, Viudez-Moreiras, Daniel, Patel, Priyaben, Lemmon, Mark, and Cardon, Catherine

Subjects
[SDU] Sciences of the Universe [physics]
Published
2022

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