Comparative vertical distributions of iron in the Japan Sea, the Bering Sea, and the western North Pacific Ocean

Comparative vertical distributions of iron in the Japan Sea, the Bering Sea, and the western North Pacific Ocean
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日本海、白令海和北太平洋西部铁的垂直分布比较

DOI:
10.1029/2004jc002783
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发表时间:
2005
影响因子:
--
通讯作者:
T. Senjyu
T. Senjyu
中科院分区:
--
文献类型:
--
作者:
H. Takata;K. Kuma;Shoei Iwade;Y. Isoda;H. Kuroda;T. Senjyu

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[1]在半封闭的海洋区域,如日本海和白令海,可溶性(未过滤)铁浓度的垂直分布的特点是逐渐增加的深度在中间和深层沃茨。然而,有一个快速下降的可溶性铁浓度之间的深和底部沃茨与不断观察到的浓度较低的底部沃茨的日本海(日本海盆),可能是从注入新形成的底层水之间的狭窄的深度范围。此外,北太平洋西部底层沃茨中可溶性铁浓度的快速增加可能是由于海底或陆坡沉积物的再悬浮。然而,有不稳定的溶解(过滤)铁的浓度和Fe(III)的氢氧化物的溶解度之间的深层和底层沃茨的差异,揭示了溶解的铁浓度在深层沃茨可能主要是由Fe(III)与天然有机配体的络合控制。溶解铁浓度,腐殖型荧光强度,和Fe(III)的溶解度与PO4在北太平洋的中间和深沃茨之间的不同斜率。然而,在半封闭海洋区域,它们之间没有不同的深度状况。统计学上最显着的Fe(III)的溶解度和荧光强度之间的相关性被发现在中间和深沃茨在所有站的半封闭和开放的海洋区域的近线性关系。这一结果表明,腐殖型荧光有机质的分布可能是负责铁(III)的溶解度和溶解铁浓度在深海沃茨。
[1] The vertical distributions of dissolvable (unfiltered) Fe concentrations in semi-closed oceanic regions, such as the Japan Sea and the Bering Sea, are characterized by a gradual increase with depth in the intermediate and deep waters. However, there is a rapid decrease in the dissolvable Fe concentration over the narrow depth range between deep and bottom waters with constantly lower concentrations observed in the bottom waters of the Japan Sea (Japan Basin), probably from the injection of newly formed bottom water. In addition, the rapid increase in dissolvable Fe concentrations in bottom waters in the western North Pacific Ocean may be due to the resuspension of sediments from the seafloor or the slope. However, there are no differences of labile dissolved (filtered) Fe concentrations and Fe(III) hydroxide solubility between deep and bottom waters, revealing that dissolved Fe concentrations in deep waters may be controlled primarily by Fe(III) complexation with natural organic ligands. Dissolved Fe concentrations, humic-type fluorescence intensity, and Fe(III) solubility correlate well with PO4 with different slopes between intermediate and deep waters in the North Pacific Ocean. However, there is no different depth regime between them in semi-closed oceanic regions. The most statistically significant correlation between the Fe(III) solubility and fluorescence intensity was found with a nearly linear relation in intermediate and deep waters at all stations of the semi-closed and open oceanic regions. This result suggests that the distributions of humic-type fluorescent organic matter may be responsible for Fe(III) solubility and dissolved Fe concentrations in deep oceanic waters.
对北太平洋西部深水中溶解铁浓度的控制:氢氧化铁(III)溶解度。
DOI: --
发表时间: 2003
期刊: Journal of Geophysical Research 108 (C9) : 3289
影响因子: --
作者:
Kuma;K.;Y.Isoda;S.Nakabayashi
通讯作者: S.Nakabayashi
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发表时间: 2003-07
影响因子: 5.2
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DOI: --
发表时间: 2002
期刊: Limnology and Oceanography 47
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作者:
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DOI: --
发表时间: 2003
期刊: Deep Sea Research Part I 50
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20世纪90年代白令海盆地浮游植物生物量的年际变化
DOI: --
发表时间: 2002
期刊: Progress in Oceanography 52(1-2)
影响因子: --
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Shiomoto;A.
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