Impact of North America on the aerosol composition in the North Atlantic free troposphere

We measured the composition of the aerosols linked to transatlantic transport from North America to Izaña Observatory, Tenerife. The eastward-moving depressions prompt aerosols export. The seasonal shift of the westerlies stream over the aerosol sources prompts seasonality in the aerosol composition...

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Bibliographic Details
Published in:Atmospheric Chemistry and Physics
Main Authors: García Álvarez, María Isabel, Rodríguez González, Sergio, Alastuey, Andrés
Format: Article in Journal/Newspaper
Language:English
Published: European Geosciences Union 2017
Subjects:
Aerosols
Free troposphere
Seasonal evolution
Cyclones
North Atlantic
Online Access:https://hdl.handle.net/20.500.11765/7287
Description
Summary:We measured the composition of the aerosols linked to transatlantic transport from North America to Izaña Observatory, Tenerife. The eastward-moving depressions prompt aerosols export. The seasonal shift of the westerlies stream over the aerosol sources prompts seasonality in the aerosol composition. High loads of dust, organics and sulfate occur in spring and elemental carbon occurs in summer. Aerosol population in the westerly winds over the North Atlantic is dominated by dust and organics. This study is part of the project AEROATLAN (CGL2015-66299-P), funded by the Ministry of Economy and Competitiveness of Spain and the European Regional Development Fund (ERDF).

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