Wind-related processes detected by the Spirit rover at Gusev Crater, Mars

被引：83

作者：

Greeley, R

Squyres, SW

Arvidson, RE

Bartlett, P

Bell, JF

Blaney, D

Cabrol, NA

Farmer, J

Farrand, B

Golombek, MP

Gorevan, SP

Grant, JA

Haldemann, AFC

Herkenhoff, KE

Johnson, J

Landis, G

Madsen, MB

McLennan, SM

Moersch, J

Rice, JW

Richter, L

Ruff, S

Sullivan, RJ

Thompson, SD

Wang, A

Weitz, CM

Whelley, P

机构：

[1] Arizona State Univ, Dept Geol Sci, Tempe, AZ 85287 USA

[2] Cornell Univ, Dept Astron, Ithaca, NY USA

[3] Washington Univ, Dept Earth & Planetary Sci, St Louis, MO 63031 USA

[4] Honeybee Robot, New York, NY 10012 USA

[5] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[6] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA

[7] Univ Colorado, Space Sci Inst, Boulder, CO 80301 USA

[8] Smithsonian Inst, Natl Air & Space Museum, Ctr Earth & Planetary Studies, Washington, DC 20560 USA

[9] US Geol Survey, Flagstaff, AZ 86001 USA

[10] Univ Copenhagen, Niels Bohr Inst Astron Phys & Geophys, Ctr Planetary Sci, DK-2100 Copenhagen, Denmark

[11] Univ Copenhagen, Orsted Lab, DK-2100 Copenhagen, Denmark

[12] SUNY Stony Brook, Dept Geosci, Stony Brook, NY 11794 USA

[13] Univ Tennessee, Dept Earth & Planetary Sci, Knoxville, TN 37996 USA

[14] Deutsch Zentrum Luft & Raumfart, German Aerosp Ctr, Inst Space Simulat, D-51170 Cologne, Germany

[15] NASA, Washington, DC 20546 USA

来源：

SCIENCE | 2004年 / 305卷 / 5685期

关键词：

D O I：

10.1126/science.1100108

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Wind-abraded rocks, ripples, drifts, and other deposits of windblown sediments are seen at the Columbia Memorial Station where the Spirit rover landed. Orientations of these features suggest formative winds from the north-northwest, consistent with predictions from atmospheric models of afternoon winds in Gusev Crater. Cuttings from the rover Rock Abrasion Tool are asymmetrically distributed toward the south-southeast, suggesting active winds from the north-northwest at the time (midday) of the abrasion operations. Characteristics of some rocks, such as a two-toned appearance, suggest that they were possibly buried and exhumed on the order of 5 to 60 centimeters by wind deflation, depending on location.

引用

页码：810 / +

页数：4

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