Regeneration dynamics of iron and nutrients from bay sediment into bottom water of Funka Bay, Japan

Verfasser / Beitragende:
[Nanako Hioki, Kenshi Kuma, Yuichiroh Morita, Daichi Miura, Atsushi Ooki, Seiji Tanaka, Hiroji Onishi, Tetsuya Takatsu, Naoto Kobayashi, Yoshihiko Kamei]
Ort, Verlag, Jahr:
2015
Enthalten in:
Journal of Oceanography, 71/6(2015-12-01), 703-714
Format:
Artikel (online)
ID: 605455333
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024 7 0 |a 10.1007/s10872-015-0312-6  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10872-015-0312-6 
245 0 0 |a Regeneration dynamics of iron and nutrients from bay sediment into bottom water of Funka Bay, Japan  |h [Elektronische Daten]  |c [Nanako Hioki, Kenshi Kuma, Yuichiroh Morita, Daichi Miura, Atsushi Ooki, Seiji Tanaka, Hiroji Onishi, Tetsuya Takatsu, Naoto Kobayashi, Yoshihiko Kamei] 
520 3 |a We studied iron remobilization and nutrient regeneration in bottom water of Funka Bay, Japan, bimonthly from August 2010 to December 2011. The bay basin (bottom depth, 92-96m) is separated from the northwest Pacific Ocean at its mouth by a sill with a depth of 60m. After a spring phytoplankton bloom during early March-early April, nutrients in bay bottom water tended to accumulate with time until August-September, and to increase gradually with depth during April-October, by the oxidative decomposition of settling particulate organic matter on the bay bottom. In contrast, the process of iron remobilization into bottom water of the bay is remarkably different from nutrient regeneration. The much higher concentrations of dissolved and total dissolvable iron near the bottom and the seasonally variable relationship between dissolved iron concentration and apparent oxygen utilization in bay bottom water likely reflect a balance between dissolved iron input and removal processes within the bay bottom water. The release of soluble Fe(II) from reducing bay sediments might induce the high concentrations of dissolved and total dissolvable iron in deep-bottom waters of Funka Bay and might be one of the most important sources of iron in Funka Bay. The upward transport of iron from the bay bottom to the surface water during the winter vertical mixing may play an important role in the supply of bioavailable iron for phytoplankton growth in the coastal waters. 
540 |a The Oceanographic Society of Japan and Springer Japan, 2015 
690 7 |a Iron cycling  |2 nationallicence 
690 7 |a Nutrients  |2 nationallicence 
690 7 |a Dissolved oxygen  |2 nationallicence 
690 7 |a Humic-like dissolved organic matter  |2 nationallicence 
690 7 |a Bay sediment  |2 nationallicence 
690 7 |a Funka Bay (Japan)  |2 nationallicence 
700 1 |a Hioki  |D Nanako  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
700 1 |a Kuma  |D Kenshi  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
700 1 |a Morita  |D Yuichiroh  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
700 1 |a Miura  |D Daichi  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
700 1 |a Ooki  |D Atsushi  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
700 1 |a Tanaka  |D Seiji  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
700 1 |a Onishi  |D Hiroji  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
700 1 |a Takatsu  |D Tetsuya  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
700 1 |a Kobayashi  |D Naoto  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
700 1 |a Kamei  |D Yoshihiko  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
773 0 |t Journal of Oceanography  |d Springer Japan  |g 71/6(2015-12-01), 703-714  |x 0916-8370  |q 71:6<703  |1 2015  |2 71  |o 10872 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Hioki  |D Nanako  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kuma  |D Kenshi  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Morita  |D Yuichiroh  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Miura  |D Daichi  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ooki  |D Atsushi  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Tanaka  |D Seiji  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Onishi  |D Hiroji  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Takatsu  |D Tetsuya  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kobayashi  |D Naoto  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Kamei  |D Yoshihiko  |u Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato, 041-8611, Hakodate, Hokkaido, Japan  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Journal of Oceanography  |d Springer Japan  |g 71/6(2015-12-01), 703-714  |x 0916-8370  |q 71:6<703  |1 2015  |2 71  |o 10872