DOAS Measurements of Tropospheric Bromine Oxide in Mid-Latitudes

Episodes of elevated bromine oxide (BrO) concentration are known to occur at high latitudes in the Arctic boundary layer and to lead to catalytic destruction of ozone at those latitudes; these events have not been observed at lower latitudes. With the use of differential optical absorption spectrosc...

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Bibliographic Details
Published in:Science
Main Authors: Hebestreit, Kai, Stutz, Jochen, Rosen, David, Matveiv, Valery, Peleg, Mordechai, Luria, Menachem, Platt, Ulrich
Format: Article in Journal/Newspaper
Language:English
Published: American Association for the Advancement of Science (AAAS) 1999
Subjects:
Arctic
Online Access:http://dx.doi.org/10.1126/science.283.5398.55
https://www.science.org/doi/pdf/10.1126/science.283.5398.55
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Summary:Episodes of elevated bromine oxide (BrO) concentration are known to occur at high latitudes in the Arctic boundary layer and to lead to catalytic destruction of ozone at those latitudes; these events have not been observed at lower latitudes. With the use of differential optical absorption spectroscopy (DOAS), locally high BrO concentrations were observed at mid-latitudes at the Dead Sea, Israel, during spring 1997. Mixing ratios peaked daily at around 80 parts per trillion around noon and were correlated with low boundary-layer ozone mixing ratios.

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