Open AccessNote on Ozone Observations made with Moonlight
Author(s) -
K. R. Ramanathan,
P. D. ANGREJI,
G. M. Shah
Publication year - 1965
Publication title -
mausam
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.243
H-Index - 12
ISSN - 0252-9416
DOI - 10.54302/mausam.v16i4.5698
Subject(s) - moonlight , sunrise , sunset , photometer , atmospheric sciences , ozone , twilight , environmental science , wavelength , meteorology , physics , optics , astronomy
There is an apparent increase in ozone amount when measured with the Dobson spectro photometer using moonlight and C or D wavelength instead of A. The increase becomes insignificant when the differential AD or CD method is used. The apparent increase in ozone is found to be due to a rapid increase in large-particle scattering which occurs shortly after sunset and disappears within a couple of hours after sunrise.