A Comparison of Stellar Extinction and Space-Based Measurements of Stratospheric Aerosol Optical Depth | Zendy

Richard B. Stothers | Zendy

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A Comparison of Stellar Extinction and Space-Based Measurements of Stratospheric Aerosol Optical Depth

Author(s) -

Richard B. Stothers

Publication year - 2009

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.294

H-Index - 172

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/598224

Subject(s) - extinction (optical mineralogy) , volcano , stratosphere , optical depth , aerosol , environmental science , middle latitudes , allowance (engineering) , atmospheric sciences , physics , geology , meteorology , optics , mechanical engineering , engineering , seismology

Observed increases of stellar extinction after the two largest recent volcanic eruptions (El Chichon 1982 and Pinatubo 1991) are compiled here from published sources and compared with space-based measurements of stratospheric aerosol optical depth. Hemispheric and global annual mean optical depths following the two erup- tions show close agreement between the two methods, if allowance is made for the fact that the stellar extinction data refer only to midlatitudes.

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