Behavior of Mn in the western north pacific |
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Authors: | Yoshimasa Toyota |
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Institution: | (1) Faculty of Marine Science and Technology, Tokai University, 424 Shimizu, Japan |
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Abstract: | The determination of dissolved Mn in sea water was carried out using a Chelex 100 resin and graphite furnace atomic absorption
spectrophotometer. The nearshore surface layer waters off the Straits of Kii had the highest Mn concentration of 6.40 n mol
kg−1 at these stations. Mn concentration of intermediate and deep water off the Straits of Kii ranged between 0.18 and 1.42 n
mol kg−1. Mn concentration in deep and bottom waters at the Mariana Trough were between 0.71 and 2.48 n mol kg−1. Sharp increases of Mn concentration near the bottoms were observed at two stations near the hydrothermal vents of the central
ridge of the Mariana Trough. |
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Keywords: | |
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