Effects of long-range transport on atmospheric trace constituents at the baseline station tenerife (Canary Islands) |
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Authors: | Rainer Schmitt Barbara Schreiber Ingeborg Levin |
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Institution: | (1) Meteorologie Consult GmbH, P.O. Box 17, D-6246 Glashütten, F.R.G.;(2) Institut für Umweltphysik, Universität Heidelberg, Im Neuenheimer Feld 366, D-6900 Heidelberg, F.R.G. |
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Abstract: | First results of baseline observations from the new BAPMoN station Tenerife give information about the atmospheric background in this latitude of about 25° N in the North Atlantic. The influence of the meridional exchange with the northern part of the hemisphere as well as transport from the African continent is evident. Changes of air mass are strongly reflected in the concentration records of carbon dioxide, methane, and ozone depending on the seasonal and meridional distribution of these components. Transport of Sahara dust results in an increase of optical thickness and an ozone depletion. According to the seasonal frequency of characteristic transport conditions, these influences are reflected in the annual cycle of the records. |
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Keywords: | Atmospheric background concentrations ozone carbondioxide carbon isotopes methane optical thickness North Atlantic long-range transport |
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