Substantial contribution of iodine to arctic ozone destruction
; Serna, Jesús A. ; Garcia Nieto, David ; Fernandez, Rafael Pedro ; Skov, Henrik ; Dumitrascu, Adela ; Simões Pereira, Patric ; Abrahamsson, Katarina ; Bucci, Silvia ; Duetsch, Marina ; Stohl, Andreas ; Beck, Ivo ; Laurila, Tiia ; Blomquist, Byron ; Howard, Dean ; Archer, Stephen D. ; Bariteau, Ludovic ; Helmig, Detlev ; Hueber, Jacques ; Jacobi, Hans Werner ; Posman, Kevin ; Dada, Lubna ; Daellenbach, Kaspar R. ; Saiz López, Alfonso Otros responsables
Fecha
10/2022
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Nature Publishing Group
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Nature Geoscience
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1752-0894
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Inglés
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Resumen
Unlike bromine, the effect of iodine chemistry on the Arctic surface ozone budget is poorly constrained. We present ship-based measurements of halogen oxides in the high Arctic boundary layer from the sunlit period of March to October 2020 and show that iodine enhances springtime tropospheric ozone depletion. We find that chemical reactions between iodine and ozone are the second highest contributor to ozone loss over the study period, after ozone photolysis-initiated loss and ahead of bromine.
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Benavent, Nuria; Mahajan, Anoop S.; Qinyi, Li; Cuevas, Carlos Alberto; Schmale, Julia; et al.; Substantial contribution of iodine to arctic ozone destruction; Nature Publishing Group; Nature Geoscience; 15; 10; 10-2022; 770-773
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