Interannual similarity in the Martian atmosphere during the dust storm season

被引：158
作者：
Kass, D. M. [1 ]
Kleinbohl, A. [1 ]
McCleese, D. J. [1 ]
Schofield, J. T. [1 ]
Smith, M. D. [2 ]
机构：
[1] CALTECH, Jet Prop Lab, Pasadena, CA 91125 USA
[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA
来源：
GEOPHYSICAL RESEARCH LETTERS | 2016年 / 43卷 / 12期
基金：
美国国家航空航天局;
关键词：
MARS GLOBAL SURVEYOR; GENERAL-CIRCULATION MODEL; NORTHERN-HEMISPHERE; CLIMATE SOUNDER; VARIABILITY; TEMPERATURES; SURFACE; ORIGIN;
D O I：
10.1002/2016GL068978
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
We find that during the dusty season on Mars (southern spring and summer) of years without a global dust storm there are three large regional-scale dust storms. The storms are labeled A, B, and C in seasonal order. This classification is based on examining the zonal mean 50 Pa (similar to 25 km) daytime temperature retrievals from TES/MGS and MCS/MRO over 6 Mars Years. Regional-scale storms are defined as events where the temperature exceeds 200 K. Examining the MCS dust field at 50 Pa indicates that warming in the Southern Hemisphere is dominated by direct heating, while northern high latitude warming is a dynamical response. A storms are springtime planet encircling Southern Hemisphere events. B storms are southern polar events that begin near perihelion and last through the solstice. C storms are southern summertime events starting well after the end of the B storm. C storms show the most interannual variability.
引用
收藏
页码：6111 / 6118
页数：8
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