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Record #167152:

Recent ice ages on Mars / James W. Head, John F. KreslavskyMikhail A. Mustard, Ralph E. Milliken, David R. Marchant.

Title: Recent ice ages on Mars / James W. Head, John F. KreslavskyMikhail A. Mustard, Ralph E. Milliken, David R. Marchant.
Author(s): Head, James W.
Mustard, John F. KreslavskyMikhail A.
Milliken, Ralph E.
Marchant, David R.
Date: 2003.
In: Nature. (2003.), Vol. 426(6968) (2003)
Abstract: Presents evidence that water-ice-rich latitude dependent deposits occurring in both Martian hemispheres were formed during a geologically recent ice age, occurring about 2.1 to 0.4 Myr ago. Uses data from recent Mars missions (Mars Global Surveyor and Odyssey). Argues ice-rich deposits were emplaced symmetrically, down to latitudes of 30°, in response to changing stability of water-ice and dust during variations in obliquity. Describes Mars as in 'interglacial' period, with deposits undergoing reworking, degradation and retreat in response to current instability of near-surface ice. Presents Martian ice age hypothesis, based on observations, global climate models and obliquity variations, which contrasts with that for Earth in the extreme orbital forcing, lack of oceans and presence of warmer polar temperatures during ice ages.
Notes:

Nature. Vol. 426(6968) :797-802 (2003).

Keywords: 551.32 -- Glaciology.
52 -- Astronomy.
523.43 -- Mars.
551.338 -- Ice ages, theories of causation.
551.34 -- Geocryology. Frozen ground.
519.673 -- Modelling.
E13 -- Glaciology: glacioastronomy.
SPRI record no.: 167152

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245 00 ‡aRecent ice ages on Mars /‡cJames W. Head, John F. KreslavskyMikhail A. Mustard, Ralph E. Milliken, David R. Marchant.
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500 ## ‡aNature. Vol. 426(6968) :797-802 (2003).
520 3# ‡aPresents evidence that water-ice-rich latitude dependent deposits occurring in both Martian hemispheres were formed during a geologically recent ice age, occurring about 2.1 to 0.4 Myr ago. Uses data from recent Mars missions (Mars Global Surveyor and Odyssey). Argues ice-rich deposits were emplaced symmetrically, down to latitudes of 30°, in response to changing stability of water-ice and dust during variations in obliquity. Describes Mars as in 'interglacial' period, with deposits undergoing reworking, degradation and retreat in response to current instability of near-surface ice. Presents Martian ice age hypothesis, based on observations, global climate models and obliquity variations, which contrasts with that for Earth in the extreme orbital forcing, lack of oceans and presence of warmer polar temperatures during ice ages.
530 ## ‡aAlso issued online ‡uurn:doi:10.1038/nature02114‡uhttps://dx.doi.org/10.1038/nature02114
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a52 -- Astronomy.‡2udc
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650 07 ‡a551.338 -- Ice ages, theories of causation.‡2udc
650 07 ‡a551.34 -- Geocryology. Frozen ground.‡2udc
650 07 ‡a519.673 -- Modelling.‡2udc
650 07 ‡aE13 -- Glaciology: glacioastronomy.‡2local
700 1# ‡aHead, James W.
700 1# ‡aMustard, John F. KreslavskyMikhail A.
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