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Pressure observations by the curiosity rover: Initial results
Finnish Meteorological Institute, Division of Earth Observation.
Finnish Meteorological Institute, Division of Earth Observation.
Finnish Meteorological Institute, Division of Earth Observation.
Finnish Meteorological Institute, Division of Earth Observation.
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Number of Authors: 31
2014 (English)In: Journal of Geophysical Research, ISSN 0148-0227, E-ISSN 2156-2202, Vol. 119, no 1, p. 82-92Article in journal (Refereed) Published
Abstract [en]

REMS-P, the pressure measurement subsystem of the Mars Science Laboratory (MSL) Rover Environmental Measurement Station (REMS), is performing accurate observations of the Martian atmospheric surface pressure. It has demonstrated high data quality and good temporal coverage, carrying out the first in situ pressure observations in the Martian equatorial regions. We describe the REMS-P initial results by MSL mission sol 100 including the instrument performance and data quality and illustrate some initial interpretations of the observed features. The observations show both expected and new phenomena at various spatial and temporal scales, e.g., the gradually increasing pressure due to the advancing Martian season signals from the diurnal tides as well as various local atmospheric phenomena and thermal vortices. Among the unexpected new phenomena discovered in the pressure data are a small regular pressure drop at every sol and pressure oscillations occurring in the early evening. We look forward to continued high-quality observations by REMS-P, extending the data set to reveal characteristics of seasonal variations and improved insights into regional and local phenomena. Key Points The performance and data quality of the REMS / MSL pressure observations. MSL pressure observations exhibit local phenomena of the Gale crater area. Small pressure oscillations possibly linked to gravity waves. ©2013. American Geophysical Union. All Rights Reserved.

Place, publisher, year, edition, pages
2014. Vol. 119, no 1, p. 82-92
Keyword [en]
atmosphere, diurnal tide, Mars, sensor, surface pressure
National Category
Aerospace Engineering
Research subject
Atmospheric science
Identifiers
URN: urn:nbn:se:ltu:diva-7323DOI: 10.1002/2013JE004423Scopus ID: 84896870097Local ID: 5addc11f-819e-411e-8f2c-6c3cbfd559b8OAI: oai:DiVA.org:ltu-7323DiVA: diva2:980212
Note

Upprättat; 2014; 20150228 (javmar)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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