Meter-scale morphology of the north polar region of mars

K. E. Herkenhoff, Shane Byrne, P. S. Russell, K. E. Fishbaugh, Alfred S. McEwen

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Abstract

Mars' north pole is covered by a dome of layered ice deposits. Detailed (∼30 centimeters per pixel) images of this region were obtained with the High-Resolution Imaging Science Experiment on board the Mars Reconnaissance Orbiter (MRO). Planum Boreum basal unit scarps reveal cross-bedding and show evidence for recent mass wasting, flow, and debris accumulation. The north polar layers themselves are as thin as 10 centimeters but appear to be covered by a dusty veneer in places, which may obscure thinner layers. Repetition of particular layer types implies that quasi-periodic climate changes influenced the stratigraphic sequence in the polar layered deposits, informing models for recent climate variations on Mars.

Original languageEnglish (US)
Pages (from-to)1711-1715
Number of pages5
JournalScience
Volume317
Issue number5845
DOIs
StatePublished - Sep 21 2007

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Meter-scale morphology of the north polar region of mars. / Herkenhoff, K. E.; Byrne, Shane; Russell, P. S.; Fishbaugh, K. E.; McEwen, Alfred S.

In: Science, Vol. 317, No. 5845, 21.09.2007, p. 1711-1715.

Research output: Contribution to journalArticle

Herkenhoff, KE, Byrne, S, Russell, PS, Fishbaugh, KE & McEwen, AS 2007, 'Meter-scale morphology of the north polar region of mars', Science, vol. 317, no. 5845, pp. 1711-1715. https://doi.org/10.1126/science.1143544
Herkenhoff, K. E. ; Byrne, Shane ; Russell, P. S. ; Fishbaugh, K. E. ; McEwen, Alfred S. / Meter-scale morphology of the north polar region of mars. In: Science. 2007 ; Vol. 317, No. 5845. pp. 1711-1715.
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