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Title

Correlations between mineral dust deposition and surface chlorophyll in the Mediterranean Sea

AuthorsGallisai, R. ; Volpe, Gianluca; Basart, S.; Baldasano, J. M.; Peters, Francesc
Issue Date27-Nov-2013
CitationIntegrating New Advances in Mediterranean Oceanography and Marine Biology. Meeting program: 26 (2013)
AbstractWe used eight years of weekly data on surface chlorophyll (SeaWiFS computed with an optimized regional algorithm) and of modeled dust deposition (BSC-DREAM8b) for correlation studies in 1° x 1° cells over the Mediterranean Sea. Data were seasonally detrended to remove annual recurring patterns. Aerosol deposition of Saharan and Middle East origin may explain 5 to 16% of chlorophyll variability on average in the LNLC Mediterranean. Most statistically significant correlations are positive with main effects in spring and in the Eastern and Central Mediterranean conforming to a view of dust events fueling needed nutrients to the planktonic community. Some areas show negative effects of dust deposition on chlorophyll coinciding with regions under a large influence of aerosols from European origin. The potential influence of dust deposition on chlorophyll dynamics may be even larger in future scenarios of increased aridity and shallowing of the mixed layer
DescriptionSymposium on Integrating New Advances in Mediterranean Oceanography and Marine Biology, 26-29 November 2013, Institut de Ciències del Mar (CSIC), Barcelona, Catalunya, Spain
Publisher version (URL)http://www.icm.csic.es/bio/medocean/information.htm#schedule
URIhttp://hdl.handle.net/10261/96618
Appears in Collections:(ICM) Comunicaciones congresos
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