THE EFFECT OF THE MT-PINATUBO AEROSOL ON THE HNO3 COLUMN OVER MAUNA-LOA, HAWAII

被引：16

作者：

DAVID, SJ ^{[1
]}

MURCRAY, FJ ^{[1
]}

GOLDMAN, A ^{[1
]}

RINSLAND, CP ^{[1
]}

MURCRAY, DG ^{[1
]}

机构：

[1] NASA,LANGLEY RES CTR,HAMPTON,VA 23665

来源：

GEOPHYSICAL RESEARCH LETTERS | 1994年 / 21卷 / 11期

关键词：

D O I：

10.1029/94GL00876

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

A very high resolution infrared solar spectrometer system for the Network for Detection of Stratospheric Change has been routinely operated at the Mauna Loa Observatory in Hawaii since November, 1991. Solar absorption spectra are normally taken one day a week at sunrise. We report the analysis of these spectra for the vertical column amount of nitric acid (H NO,) vapor. The observations began four months after the arrival of volcanic aerosols from Mt. Pinatubo over the site. Although quite variable, total HNO3 columns were initially about 7x10(15) molecules/cm2 and have decreased about 30% in the following two years.

引用

页码：1003 / 1006

页数：4

共 23 条

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