The effect of the Mt. Pinatubo aerosol on the HNO{sub 3} column over Mauna Loa, Hawaii
Journal Article
·
· Geophysical Research Letters
- Univ. of Denver, CO (United States)
- Langley Research Center, Hampton, VA (United States)
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. The authors report the analysis of these spectra for the vertical column amount of nitric acid (HNO{sub 3}) vapor. The observations began four months after the arrival of volcanic aerosols from Mt. Pinatubo over the site. Although quite variable, total HNO{sub 3} columns were initially about 7{times}10{sup 15} molecules/cm{sup 2} and have decreased about 30% in the following two years. 23 refs., 2 figs.
- OSTI ID:
- 35567
- Journal Information:
- Geophysical Research Letters, Vol. 21, Issue 11; Other Information: PBD: 1 Jun 1994
- Country of Publication:
- United States
- Language:
- English
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