Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/20.500.11765/2559
Short-term changes in the northwest african upwelling system induced by saharan dust deposition events
Título : Short-term changes in the northwest african upwelling system induced by saharan dust deposition events
Autor : González Ramos, Antonio JuanCuevas Agulló, Emilio ORCID RESEARCHERID SCOPUSID Pérez, C.Baldasano, José MaríaCoca, J.Redondo, A.Alonso-Pérez, SilviaBustos, Juan José deNickovic, Slodoban
Palabras clave : Saharan dust; Dust deposition; Atmosphere circulation; Weather warming
Fecha de publicación : 2009
Editor: IOP Publishing
Citación : IOP Conference Series: Earth and Environmental Science. 2009, 7(1), p. 012019
Versión del editor: https://dx.doi.org/10.1088/1755-1307/7/1/012019
Resumen : During the last 7-year period (2000-2006) atmosphere circulation changes show strong influences on the dust storm deposition dynamics and, as a result, on the primary production dynamics of the northwest African Upwelling System. From 2000 to 2006, the annual mean sea level pressure became higher ranging from 1014 to 1015 mb. Mean annual zonal wind intensity became higher (from 1.1 to 1.8 m s-1), while the mean annual meridional was reduced from 6.2 to 5.3 m s-1 at the north of the Canary Islands. Mean annual satellite-derived AVHRR/NOAA SST recorded in the northwest African Upwelling became warmer in both locations, from 18.3ºC to 18.8ºC in Cape Ghir and from 19.5ºC to 20.3ºC north Canary Islands waters. CHL records from the SeaWiFS/OV-2 showed a different pattern trend. Mean annual CHL levels increased at Cape Ghir from 0.65 mg m-3 to 0.9 mg m-3 and significantly reduced from 0.59 mg m-3 to 0.31 mg m-3 at the north of the Canary Islands. Changes observed in the role of CHL during the last 7-years period could be associated to intensive dust deposition and exceptional weather warming observed in this area since 2000. However, this study focused on a 7-year period and conclusions on possible links between dust deposition and marine biochemistry activity cannot be generalized.
URI : http://hdl.handle.net/20.500.11765/2559
ISSN : 1755-1307
Colecciones: Artículos científicos 2005-2009

Ficheros en este ítem:
  Fichero Descripción Tamaño Formato  
1,51 MBAdobe PDFVista previa
Mostrar el registro completo del ítem

Los ítems de Arcimís están protegidos por una Licencia Creative Commons, salvo que se indique lo contrario.

Repositorio Arcimís
Nota Legal Contacto y sugerencias