MT-PINATUBO SO2 COLUMN MEASUREMENTS FROM MAUNA-LOA

被引：30

作者：

GOLDMAN, A ^{[1
]}

MURCRAY, FJ ^{[1
]}

RINSLAND, CP ^{[1
]}

BLATHERWICK, RD ^{[1
]}

DAVID, SJ ^{[1
]}

MURCRAY, FH ^{[1
]}

MURCRAY, DG ^{[1
]}

机构：

[1] NASA,LANGLEY RES CTR,DIV ATMOSPHER SCI,HAMPTON,VA 23665

来源：

GEOPHYSICAL RESEARCH LETTERS | 1992年 / 19卷 / 02期

关键词：

D O I：

10.1029/92GL00073

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Absorption features of the nu-1 band of SO2 have been identified in high resolution infrared solar absorption spectra recorded from Mauna Loa, Hawaii, on July 9 and 12, 1991, shortly after the arrival of the first eruption plume from the Mt. Pinatubo volcano in the Phillipines. A total SO2 vertical column amount of (5.1 +/- 0.5) x 10(16) molecules cm-2 on July 9 has been retrieved based on nonlinear least-squares spectral fittings of 9 selected SO2 absorption features with an updated set Of SO2 Spectral parameters. A SO2 total column upper limit of 0.9 x 10(16) molecules cm-2 deduced from measurements on September 20-24, 1991, is consistent with the dispersion of the SO2 cloud and the rapid conversion of the SO2 vapor into volcanic aerosol particles.

引用

页码：183 / 186

页数：4

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