Cited by 195Planetary Science and ExplorationAstro and Planetary ScienceSpacecraft Design and Technology

Seasonal polar temperatures on the Moon

Williams, J.‐P., Greenhagen, B. T., Paige, D. A., Schorghofer, N., Sefton‐Nash, E., Hayne, P. O., Lucey, P. G., Siegler, M. A. +1 more·2019·Journal of Geophysical Research Planets

Abstract

Abstract The Diviner Lunar Radiometer Experiment on the Lunar Reconnaissance Orbiter has been acquiring visible and infrared radiance measurements of the Moon for nearly 10 years. These data have been compiled into polar stereographic maps of temperatures poleward of 80° latitude at fixed local times and fixed subsolar longitudes to provide an overview of diurnal temperatures of the polar regions. The data have been divided into winter and summer seasons, defined by the times of year when the subsolar latitude is above or below the equator, to characterize the variations in seasonal temperatures that result from the 1.54° angle between the Moon's spin pole and the ecliptic plane. Since the illumination in the polar regions is perpetually at grazing angles, topography plays a dominate role in surface temperatures. Consequently, the surface and near‐surface thermal environment can vary in complex ways with time of day and season, which produces areas that are seasonally shadowed for prolonged periods and that are much more extensive than the permanently shadowed regions (PSRs). We find that surfaces below 110 K capable of cold trapping water over 1 Gyr increases by factors of 2.8 and 4.3 in the winter for the south and north polar regions, respectively, with seasonal residence times of adsorbed water molecules occurring at higher temperatures and thus larger areas.

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Crossref · 10.1029/2019je006028

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  • One of the primary environmental concerns on the Moon is the extreme temperature gradients, and research on determining the Lunar surface and subsurface temperature has been ongoing.

    “One of the primary environmental concerns on the Moon is the extreme temperature gradients, and research on determining the Lunar surface and subsurface temperature has been ongoing [16-24].”

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Authors
Williams, J. ‐., Greenhagen, B. T., Paige, D. A., Schorghofer, N., Sefton‐Nash, E., Hayne, P. O., Lucey, P. G., Siegler, M. A., & Aye, K. M.
Affiliations
  • University of California, Los Angeles (US)
  • Johns Hopkins University (US)
  • Planetary Science Institute Tucson AZ USA
  • European Space Agency (FR)
  • University of Colorado Boulder (US)
  • University of Hawaiʻi at Mānoa (US)
  • Planetary Science Institute (US)
Corresponding author
Williams, J.‐P.
Venue
Journal of Geophysical Research Planets
Published
2019-10
Volume
124
Issue
10
Pages
2505-2521
ISSN
  • 2169-9097 (ISSN-L)
  • 2169-9100
OpenAlex
W2967238108
Cited by
195
References
89
Citations by year
2026: 45 · 2025: 38 · 2024: 33 · 2023: 32 · 2022: 22 · 2021: 14 · 2020: 11
FWCI
6.27
Type
journal article
Language
en
Open access
closed
Locations
Journal of Geophysical Research Planets (publishedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Planetary Science and Exploration
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astro and Planetary Science
  • Physical Sciences › Engineering › Aerospace Engineering › Spacecraft Design and Technology
Keywords
lunar polar regions, Diviner Lunar Radiometer, Lunar Reconnaissance Orbiter, diurnal temperature range, seasonal temperature variation, permanently shadowed regions, lunar topography

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