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Absorption in the stratosphere by some water‐vapour lines in the v 2 band
Author(s) -
Houghton J. T.
Publication year - 1963
Publication title -
quarterly journal of the royal meteorological society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.744
H-Index - 143
eISSN - 1477-870X
pISSN - 0035-9009
DOI - 10.1002/qj.49708938104
Subject(s) - stratosphere , water vapor , mixing ratio , absorption (acoustics) , line (geometry) , atmospheric sciences , spectral line , absorption spectroscopy , mixing (physics) , environmental science , materials science , atomic physics , computational physics , physics , meteorology , optics , mathematics , astronomy , geometry , quantum mechanics
A study has been made of some lines in the solar spectrum, as observed from an aircraft, due to absorption by atmospheric H 2 O 16 and H 2 O 18 . The integrated absorptances for these lines, calculated using theoretical line strengths and various water‐vapour distributions, are compared with observed values. The water‐vapour distribution which gives the best fit is one which is very dry (mixing ratio 1·5 × 10 −6 ) in the lower stratosphere, but considerably wetter (up to 5 × 10 −5 ) above 25 mb.