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Mid‐tropospheric aerosol backscatter background mode over the Pacific Ocean at 9.1 µm wavelength
Author(s) -
Rothermel Jeffry,
Bowdle David A.,
Srivastava Vandana
Publication year - 1996
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/96gl00047
Subject(s) - aerosol , backscatter (email) , troposphere , wavelength , environmental science , atmospheric sciences , climatology , remote sensing , geology , meteorology , physics , optics , telecommunications , computer science , wireless
The first atmospheric aerosol backscatter measurements at the rare isotope CO 2 wavelength of 9.1 µm were obtained in the troposphere over the Pacific Ocean in May–June 1990. A distinct aerosol backscatter background mode was found in both hemispheres with modal value ∼10 −10 m²kg −1 sr −1 (backscatter normalized by air density), remarkably consistent with ground‐based and airborne backscatter climatologies collected at other wavelengths, locations, and times.