First results of ozone profiles between 35 and 65 km retrieved from SCIAMACHY limb spectra and observations of ozone depletion during the solar proton events in October/November 2003

被引：11

作者：

Rohen, G. J. ^{[1
]}

von Savigny, C. ^{[1
]}

Llewellyn, E. J. ^{[1
]}

Kaiser, J. W. ^{[1
]}

Eichmann, K. -U. ^{[1
]}

Bracher, A. ^{[1
]}

Bovensmann, H. ^{[1
]}

Burrows, J. P. ^{[1
]}

机构：

[1] Univ Bremen, Inst Environm Phys, IUP, D-28359 Bremen, Germany

来源：

ATMOSPHERIC REMOTE SENSING: EARTH'S SURFACE, TROPOSPHERE, STRATOSPHERE AND MESOSPHERE - II | 2006年 / 37卷 / 12期

关键词：

SCIAMACHY; ozone; mesosphere; retrieval technique; solar proton event October 2003;

D O I：

10.1016/j.asr.2005.03.160

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Ozone density profiles between 35 and 65 km altitude are derived from scattered sunlight limb radiance spectra measured by the SCIAMACHY instrument on the Envisat satellite. The method is based on the inversion of normalized limb radiance profiles in the Hartley absorption bands of ozone at selected wavelengths between 250 and 3 10 nm. It employs a non-linear Newtonian iteration version of Optimal Estimation (OE) coupled with the radiative transfer model SCIARAYS. The limb scatter technique combined with a classical OE retrieval in the short-wave UV-B and long-wave UV-C delivers reliable results as shown by a first comparison with MIPAS V4.61 profiles yielding agreement within 10% between 38 and 55 km. An overview of the methodology and an initial error analysis are presented. Furthermore the effect of the solar proton storm between 28 October and 6 November 2003 on the ozone concentration profiles is shown. They indicate large depletion of ozone of about 60% at 50 km in the Northern hemisphere, a weaker depletion in the Southern hemisphere and a dependence of the depletion on the Earth's magnetic field. (c) 2006 COSPAR. Published by Elsevier Ltd. All rights reserved.

引用

页码：2263 / 2268

页数：6

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