Effect of Mount Pinatubo aerosols on total ozone measurements from backscatter ultraviolet (BUV) experiments

Thumbnail Image

Files

Bhartia_Herman_McPeters_Effect_Mt_Pinatubo_aerosols.pdf (751.84 KB)

Links to Files

https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/93JD01739

Permanent Link

https://doi.org/10.1029/93JD01739
 http://hdl.handle.net/11603/28446

Collections

UMBC GESTAR II
UMBC Joint Center for Earth Systems Technology (JCET)

Author/Creator

Author/Creator ORCID

https://orcid.org/0000-0002-9146-1632

Date

1993-10-20

Type of Work

journal articles
Text

Department

Program

Citation of Original Publication

Bhartia, P. K., et al. "Effect of Mount Pinatubo aerosols on total ozone measurements from backscatter ultraviolet (BUV) experiments." Journal of Geophysical Research: Atmospheres 98, no. D10 (20 October, 1993): 18547-18554. https://doi.org/10.1029/93JD01739.

Rights

This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
Public Domain Mark 1.0

Subjects

Abstract

Error introduced by Mount Pinatubo aerosols in total ozone derived by the backscatter ultraviolet (BUV) technique is described. BUV instruments include the total ozone mapping spectrometer (TOMS) instrument flying on Nimbus 7 and Meteor 3 satellites and solar backscattered ultraviolet (SBUV 2) instruments on NOAA weather satellites. Radiative transfer calculations show that except at very high solar zenith angles, errors in total ozone derived from the aerosol-contaminated radiances are less than 2% and vary both in magnitude and in sign with angles of observation. At solar zenith angles greater than 75°, total ozone values may be underestimated by as much as 10% if a large concentration of aerosols is present near the ozone density peak. In subsolar latitudes, error in total ozone derived from TOMS as a function of scan angle is very sensitive to the aerosol size distribution parameters. Aerosol parameters derived from these data agree well with in situ measurements.