Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.3/1516
Título: Chemical characterisation of marine aerosol in the Azores
Autor: Rodrigues, Félix
Pio, Casimiro
Fialho, Paulo
Lobo, Adelaide
Carvalho, A.
Cerqueira, Mário
Palavras-chave: Marine Aerosol
North Atlantic
Azores
Data: 2001
Editora: Pergamon / Elsevier
Citação: Rodrigues, F.F.; Pio, C.A.; Fialho, P.S.; Lobo, A.; Carvalho, A.; Cerqueira, M.A. (2001). «Chemical characterisation of marine aerosol in the Azores», "Physics and Chemistry of the Earth - Part B: Hydrology, Oceans and Atmosphere", 26(10), 831-834.
Resumo: Ground-level concentrations of particulate matter with less than 10μm in diameter were measured in Azores Archipelago, mid-North Atlantic Ocean. Three intensive research campaigns took place between April and August 99. Observed average concentrations were 3.28±2.16 μgmˉ³ for non-sea-salt sulphate, 0.98±0.72μgmˉ³ for nitrate and 0.57±0.44μgmˉ³ for ammonium. The average value for non-sea-sulphate is higher than levels previously reported for other North Atlantic sites. The higher variability in non-sea-salt sulphate data collected in Azores Region most likely reflects a contribution due to active submarine volcanoes near the collection site (10–20 miles). We tried to make the connection between mass ratio sulphate/chloride maximums and maximum volcanic activity using seismic data. Average ratio between organic carbon and black carbon concentrations is 4.1±1.9.
Descrição: Copyright © 2001 Published by Elsevier Ltd.
Peer review: yes
URI: http://hdl.handle.net/10400.3/1516
ISSN: 1464-1909
Versão do Editor: http://dx.doi.org/10.1016/S1464-1909(01)00093-4
Aparece nas colecções:DCA - Artigos em Revistas Internacionais / Articles in International Journals

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