Rapid Communication Pinatubo eruptions: effects on stratospheric O3 and SO2 over Brasil

Details Rapid Communication Pinatubo eruptions: effects on stratospheric O3 and SO2 over Brasil Rapid Communication Pinatubo eruptions: effects on stratospheric O3 and SO2 over Brasil

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997jastp..59..265s&link_type=abstract

Journal of Atmospheric and Terrestrial Physics, v. 59, p. 265-269.

Physics

7

Scientific paper

The Mt. Pinatubo eruptions in June 1991 were some of the largest of this century. In addition to causing devastating local effects, they injected large quantities of particles and gases, especially sulfur dioxide, SO2, straight into the middle atmosphere. In this paper we present and discuss simultaneous observations of stratospheric O3 and SO2 carried out at Cuiabá (16.0°S, 56.0°W), Brazil, where an automated Brewer spectrophotometer is operated on a routine basis. The data presented cover both the pre- and post-eruption conditions (October 1990-August 1994). Also, some complementary total ozone observations carried out at Cachoeira Paulista (22.7°S, 45.0°W) and Natal (5.8°S, 35.2°W) in Brazil have been used in this report. After about two weeks of the major eruption (early July), a strong enhancement (factor of six) in the column SO2 observations was detected at Cuiabá. The enhanced SO2 levels continued for about two and half months. The total ozone observations at Cuiabá showed a significant (11%) decrease in the stratospheric ozone levels during the winter months in 1992, possibly associated in part with delayed volcanic injection effects in the stratosphere.

Affiliated with

Also associated with

No associations

Rating

Rapid Communication Pinatubo eruptions: effects on stratospheric O3 and SO2 over Brasil does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Rapid Communication Pinatubo eruptions: effects on stratospheric O3 and SO2 over Brasil, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rapid Communication Pinatubo eruptions: effects on stratospheric O3 and SO2 over Brasil will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1604662