Investigation on a low ozone episode at the end of November 2000 and its effect on ultraviolet radiation

Anna Maria Siani; Giuseppe Rocco Casale; Alessandro Galliani

doi:10.1117/1.1516821

1 December 2002 Investigation on a low ozone episode at the end of November 2000 and its effect on ultraviolet radiation

Anna Maria Siani, Giuseppe Rocco Casale, Alessandro Galliani

Author Affiliations +

Optical Engineering, Vol. 41, Issue 12, (December 2002). https://doi.org/10.1117/1.1516821

At mid-latitudes, ozone variations are mainly caused by horizontal and vertical air transport, while the intensity of sources and sinks play a minor role. A short-lived episode of low ozone values over central Europe on 29 November 2000 was observed at some Italian Brewer stations. The total ozone was reduced by an episodic intrusion of tropical air having an ozone column substantially lower than normal. This reduction was not caused by photochemical reactions, which are responsible for the ozone reduction over Antarctic regions. The investigation was based on the O₃ tendency equations for determining the dynamic cause of the low ozone event. Ultraviolet (UV) irradiances variations were also analyzed to determine how weather patterns may lead to enhanced levels of UV radiation within a few days, which, however, was not found to be biologically harmful.

©(2002) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Anna Maria Siani, Giuseppe Rocco Casale, and Alessandro Galliani "Investigation on a low ozone episode at the end of November 2000 and its effect on ultraviolet radiation," Optical Engineering 41(12), (1 December 2002). https://doi.org/10.1117/1.1516821

Published: 1 December 2002

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available