The Stratospheric and Mesospheric NOy in the 2002–2004 Polar Winters as measured by MIPAS/ENVISAT

The Stratospheric and Mesospheric NOy in the 2002–2004 Polar Winters as measured by MIPAS/ENVISAT
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MIPAS/ENVISAT测量的2002-2004年极地冬季平流层和中层NOy

DOI:
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发表时间:
2007
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影响因子:
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通讯作者:
G. Stiller
G. Stiller
中科院分区:
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文献类型:
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作者:
M. López‐Puertas;B. Funke;T. Clarmann;H. Fischer;G. Stiller

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2002年7月至2004年3月底,环境卫星上的迈克尔逊被动大气探测干涉仪提供了从平流层上部到中间层中部的NOy族几乎所有成分(包括NO、NO2、HNO3和H2O5)的全球(极地到极地、极地夜间冬季地区)测量结果。从2002年9月到2004年3月,北极和南极冬季的NO2和HNO3丰度的年际变化是巨大的,在两个冬季具有巨大的半球不对称性和非凡的价值。这些变化和极端测量值的起源已分析的基础上不断变化的大气动力学(使用甲烷示踪剂)和太阳活动,包括异常的太阳质子事件的2003年10月至11月。
The Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board ENVISAT, provided global (pole-to-pole, the polar night winter regions) measurements of nearly all constituents of the NOy family (including NO, NO2, HNO3 and H2O5) from July 2002 to the end of March 2004 from the upper stratosphere up to the middle mesosphere. The inter-annual variability of the NO2 and HNO3 abundances in the Arctic and Antarctic winters from September 2002 through March 2004 was enormous with tremendous hemispheric asymmetry and extraordinary values in two winters. The origin of these variations and of the extreme measured values has been analyzed on the basis of the changing atmospheric dynamics (using the CH4 tracer) and solar activity, including the extraordinary solar protons events of Oct–Nov 2003.