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Impacts of metals and nutrients released from melting multiyear Arctic sea ice

AutorTovar-Sánchez, Antonio ; Duarte, Carlos M. ; Alonso-Santos, Juan Carlos; Lacorte Bruguera, Silvia; Tauler, Romà; Galbán-Malagón, Cristobal
Palabras clavetrace metals
Arctic ice
Fecha de publicación2010
EditorAmerican Geophysical Union
CitaciónJournal of Geophysical Research Oceans
ResumenNutrients (C, N, and P) and metals (iron, molybdenum, nickel, zinc, vanadium, copper, and cobalt) were determined in water and multiyear ice sampled along the Greenland current and Fram Strait in July 2007. Total metal and nutrient concentrations in ice varied fivefold to tenfold, for most elements, across the area sampled. Data show that some nutrients (i.e., NH4+) and metals (i.e., Fe, Zn, V, Cu, Ni, Mo, and Co) are enriched in Arctic ice relative to surface seawaters, suggesting that ice melting is a significant source of metals to the receiving seawaters, particularly Fe and Zn whose concentrations were significantly (t test, P < 0.05) more than 2 orders of magnitude higher in ice than in surface seawater.
Versión del editorhttp://dx.doi.org/10.1029/2009JC005685
URIhttp://hdl.handle.net/10261/44902
DOI10.1029/2009JC005685
ISSN0148-0227
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