WIT Press

Day-night Ozone Patterns Found In The City Of Cartagena

Price

Free (open access)

Paper DOI

10.2495/AIR990601

Volume

37

Pages

9

Published

1999

Size

658 kb

Author(s)

J. Moreno, S. Moreno-Grail, J. Bayo, J.M. Angosto, E. Jimenez-Torres B. Elvira-Rendueles and J. Moreno-Clavel

Abstract

This paper presents the hourly evolution for ozone during the period 1995 to 1997. Data were provided by the Pollution Surveillance Network of the City of Cartagena from five stations spread in the metropolitan area. Data were recorded as thirty-minute averages. Different patterns were found when comparing day vs. night. During day time O] behavior is characteristic as being clearly related to temperature. The descent in early morning is caused by a rise of nitrogen oxides, which at first consume 03 and later, with solar radiation, produce 63 by a feedback photoche

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