Influence of trace element fluxes from submarine groundwater discharge (SGD) on their inventories in coastal waters off volcanic island, Jeju, Korea

被引：54

作者：

Jeong, Jiwon ^{[1
]}

Kim, Guebuem ^{[1
]}

Han, Seunghee ^{[2
]}

机构：

[1] Seoul Natl Univ, Sch Earth & Environm Sci RIO, Seoul, South Korea

[2] Gwangju Inst Sci & Technol, Sch Environm Sci & Engn, Kwangju, South Korea

来源：

APPLIED GEOCHEMISTRY | 2012年 / 27卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

SUBTERRANEAN ESTUARY; BORNE NUTRIENTS; DISSOLVED IRON; SOUTHERN SEA; METALS; BAY; PRECIPITATION; COMPLEXATION; SPECIATION; TRANSPORT;

D O I：

10.1016/j.apgeochem.2011.08.014

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The concentrations of trace elements in groundwater and seawater were measured in a coastal embayment (Bangdu Bay) of a volcanic island (Jeju) off the southernmost coast of Korea in August and December of 2009. The concentrations of trace elements (Al, Mn, Fe, Co, Ni, and Cu) in the groundwater in summer were approximately 20-fold higher than those in winter, with good correlation to each other. Overall, the concentrations of most of the trace elements in the groundwater were 3- to 70-fold higher than those in the seawater of this Bay. Simple budget calculations showed that large fluxes of submarine groundwater discharge (SGD)-driven trace elements were responsible for the unusually enhanced concentrations of trace elements (particularly for Al, Fe and Co) in the summer seawater. The results imply that the temporal changes in SGD-driven trace element fluxes are large and may contribute considerably to the budget of trace elements in the coastal ocean, particularly off a highly permeable volcanic island. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：37 / 43

页数：7

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