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Titolo:
Silver in the western equatorial and South Atlantic Ocean
Autore:
Ndungu, K; Thomas, MA; Flegal, AR;
Indirizzi:
Univ Calif Santa Cruz, WIGS, Santa Cruz, CA 95064 USA Univ Calif Santa Cruz Santa Cruz CA USA 95064 S, Santa Cruz, CA 95064 USA
Titolo Testata:
DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY
fascicolo: 13, volume: 48, anno: 2001,
pagine: 2933 - 2945
SICI:
0967-0645(2001)48:13<2933:SITWEA>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
WATERS; ELEMENTS; SPECIATION; CADMIUM; COPPER; SILICA;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Physical, Chemical & Earth Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Ndung'u, K Univ Calif Santa Cruz, WIGS, Santa Cruz, CA 95064 USA Univ Calif Santa Cruz Santa Cruz CA USA 95064 uz, CA 95064 USA
Citazione:
K. Ndung'u et al., "Silver in the western equatorial and South Atlantic Ocean", DEEP-SEA II, 48(13), 2001, pp. 2933-2945

Abstract

Vertical profiles of total dissolved (<0.22 mum) silver concentrations in the equatorial and southwest Atlantic Ocean provide a new perspective on the processes controlling the element's external fluxes and internal biogeochemical cycling in the World Ocean. Atmospheric inputs of natural and/or industrial aerosols appear to elevate silver concentrations in remote surface waters in the South Atlantic, where silver is effectively scavenged onto and/or bioaccumulated by plankton. The subsequent remobilization of silver with depth is relatively coincident with that of silicate, suggesting much ofthat silver is sequestered within a refractory organic phase associated with biogenic silica. That silver is then remineralized, and appears to be conservatively transported in subsurface water masses throughout the World Ocean. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/09/20 alle ore 20:12:03