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Session
2. BIO Topic Session
Understanding the role of iron in regulating biogeochemical cycles and
ecosystem structures in the North Pacific Ocean Co-sponsored by SOLAS
Co-Convenors: Angelica
Peña (Canada), Toshi Saino (Japan) and Mark Wells (U.S.A.)
Iron plays a key role in regulating the biogeochemical
cycles of carbon and nitrogen, and pelagic ecosystem structures in the
North Pacific Ocean, yet our understanding of these effects remains
limited. External sources of iron, such as Asian dust, rivers, sediments,
and volcanoes, supply large amounts of iron to the North Pacific, while
the physical processes of upwelling, meso-scale eddies, boundary currents,
and tidal mixing transport deep waters with high iron concentration
to the upper ocean. Biological uptake, zooplankton grazing, re-mineralization,
and iron chemistry change the forms of iron and its distribution in
the North Pacific Ocean. This session invites papers that address physical,
biological and chemical processes controlling iron distribution and
transformation, linkages between iron and ecosystem responses, and impacts
on carbon and nitrogen cycles. Of special interest are papers that combine
recent progress from field observations and modeling studies that relate
iron cycling to ecosystem structures and carbon fluxes in the North
Pacific Ocean.
Tuesday, October 26, 2010
Jay T. Cullen and Maria
T. Maldonado (Invited)
Iron speciation and bioavailability: Insight gained from analytical chemistry
and microbial
physiology (S2-6818)
(pdf,
5 Mb)
Eric G. Roy and Mark L.
Wells
Evidence for regulation of Fe(II) Oxidation Rates by Organic Complexing
Ligands in the Eastern Subarctic Pacific (S2-6840)
(permission to post denied, contact
presenter)
Kazuhiro Misumi,
Daisuke Tsumune, Yoshikatsu Yoshida, Takeshi Yoshimura, Keisuke Uchimoto,
Tomohiro Nakamura, Jun Nishioka, Humio Mitsudera, Frank O. Bryan, Keith
Lindsay, J. Keith Moore and Scott C. Doney
Mechanisms controlling dissolved iron distribution in the North Pacific:
A model study (S2-6762)
(pdf,
1.4 Mb)
William Crawford
Advection of deep-sea and coastal water into the HNLC region of the northeast
Pacific Ocean (S2-6849)
(pdf,
3.2 Mb)
Huiwang Gao, Xiaohong
Yao, Jinhui Shi and Jianhua Qi (Invited)
Response of marine ecosystem to Asian dust fertilization from coastal
sea to open ocean
(S2-6622) (waiting for permission)
Josiane Mélançon,
Maurice Levasseur, Martine Lizotte, Jean-Éric Tremblay, Gui-Peng
Yang, Marjolaine Blais, Guangyu Shi, Hui-Wang Gao, Michael Arychuk, Keith
Johnson,
Nes Sutherland, Marie Robert and Wendy Richardson
Impact of Asian dust on plankton and DMS production in the Northeast Subarctic
Pacific
(S2-6850)
(permission to post denied, contact
presenter)
Jun Nishioka, Tsuneo Ono,
Hiroaki Saito, Keiichiro Sakaoka and Takeshi Yoshimura
Oceanic iron supply mechanisms supporting the spring diatom bloom in the
Oyashio region,
western subarctic Pacific (S2-6707)
(pdf,
0.7 Mb)
Hiroaki Saito, Jun
Nishioka, Atsushi Tsuda and Hiroaki Tatebe
The role of zooplankton in buffering geographical heterogeneity of primary
productivity
(S2-6859)
(pdf,
1.4 Mb)
Fei Chai, Peng Xiu, Huijie
Xue, Lei Shi and Yi Chao
Modeling impacts of mesoscale eddies on iron cycle and biogeochemical
processes in the Gulf
of Alaska (S2-6649) (waiting for permission)
Emilie Brévière
The international Surface Ocean - Lower Atmosphere Study (SOLAS) project
and its midterm
strategy (S2-6862)
(pdf,
3.8 Mb)
Hong Chen, Jianbo
Han and Xiaomeng Wang
A review of the influence of ocean fertilization on marine biodiversity
(S2-6483)
(pdf,
0.7 Mb)
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