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Modelling Chemistry Over the Dead Sea: Bromine and Ozone Chemistry : Volume 9, Issue 1 (23/02/2009)

By Smoydzin, L.

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Book Id: WPLBN0003998422
Format Type: PDF Article :
File Size: Pages 41
Reproduction Date: 2015

Title: Modelling Chemistry Over the Dead Sea: Bromine and Ozone Chemistry : Volume 9, Issue 1 (23/02/2009)  
Author: Smoydzin, L.
Volume: Vol. 9, Issue 1
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Glasow, R. V., & Smoydzin, L. (2009). Modelling Chemistry Over the Dead Sea: Bromine and Ozone Chemistry : Volume 9, Issue 1 (23/02/2009). Retrieved from

Description: School of Environmental Sciences, University of East Anglia, Norwich, UK. Measurements of O3 and BrO concentrations over the Dead Sea indicate that Ozone Depletion Events (ODEs), widely known to happen in polar regions, are also likely to occur over the Dead Sea due to the very high bromine content of the Dead Sea water. However, we show that BrO and O3 levels as they are detected cannot solely be explained by high Br levels in the Dead Sea water and the release of gas phase halogen species out of sea borne aerosol particles and their conversion to reactive halogen species. It is likely that other sources for reactive halogen compounds are needed to explain the observed concentrations for BrO and O3. To explain the chemical mechanism taking place over the Dead Sea leading to BrO levels of several pmol/mol we used the single column model MISTRA which calculates microphysics, meteorology, gas and aerosol phase chemistry. We performed pseudo Lagrangian studies by letting the model column first move over the desert which surrounds the Dead Sea region and then let it move over the Dead Sea itself. To include an additional source for gas phase halogen compounds, gas exchange between the Dead Sea water and the atmosphere is treated explicitly. Model calculations indicate that this process has to be included to explain the measurements.

Modelling chemistry over the Dead Sea: bromine and ozone chemistry

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