Structure and dynamics of the Martian lower and middle atmosphere as observed by the Mars Climate Sounder: Seasonal variations in zonal mean temperature, dust, and water ice aerosols

被引：164

作者：

McCleese, D. J. ^{[1
]}

Heavens, N. G. ^{[4
]}

Schofield, J. T. ^{[1
]}

Abdou, W. A. ^{[1
]}

Bandfield, J. L. ^{[2
]}

Calcutt, S. B. ^{[3
]}

Irwin, P. G. J. ^{[3
]}

Kass, D. M. ^{[1
]}

Kleinbohl, A. ^{[1
]}

Lewis, S. R. ^{[5
]}

Paige, D. A. ^{[6
]}

Read, P. L. ^{[3
]}

Richardson, M. I. ^{[7
]}

Shirley, J. H. ^{[1
]}

Taylor, F. W. ^{[3
]}

Teanby, N. ^{[3
]}

Zurek, R. W. ^{[1
]}

机构：

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

[2] Univ Washington, Dept Atmospher Sci, Seattle, WA 98195 USA

[3] Univ Oxford, Dept Phys, Oxford OX1 3PU, England

[4] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA

[5] Open Univ, Dept Phys & Astron, Milton Keynes MK7 6AA, Bucks, England

[6] Univ Calif Los Angeles, Dept Earth & Space Sci, Los Angeles, CA 90095 USA

[7] Ashima Res, Pasadena, CA 91106 USA

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS | 2010年 / 115卷

关键词：

THERMAL STRUCTURE; GLOBAL SURVEYOR; TES;

D O I：

10.1029/2010JE003677

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The first Martian year and a half of observations by the Mars Climate Sounder aboard the Mars Reconnaissance Orbiter has revealed new details of the thermal structure and distributions of dust and water ice in the atmosphere. The Martian atmosphere is shown in the observations by the Mars Climate Sounder to vary seasonally between two modes: a symmetrical equinoctial structure with middle atmosphere polar warming and a solstitial structure with an intense middle atmosphere polar warming overlying a deep winter polar vortex. The dust distribution, in particular, is more complex than appreciated before the advent of these high (similar to 5 km) vertical resolution observations, which extend from near the surface to above 80 km and yield 13 dayside and 13 nightside pole-to-pole cross sections each day. Among the new features noted is a persistent maximum in dust mass mixing ratio at 15-25 km above the surface (at least on the nightside) during northern spring and summer. The water ice distribution is very sensitive to the diurnal and seasonal variation of temperature and is a good tracer of the vertically propagating tide.

引用

页数：16

共 27 条

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