Fiscal Year
2013
Title
Deployment of Lander, core sampling, hydrographic observation off Sanriku
Project and Theme
Project 3. Research on factors controlling open ocean benthopelagic ecosystem dynamics
Representative Organization: Japan Agency for Marine-Earth Science and Technology
Theme3. Long-term monitoring of the physic-chemical environment in fisheries grounds| Representative person | Shuichi Watanabe |
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| Organization | Japan Agency for Marine-Earth Science and Technology |
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| Department | Eastern Japan Marine Ecosystems Dynamics Project team |
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Research InformationPeriod and Interval2013/10/28 - 2013/11/10
Research Area
CategoryResearch Cruise
OverviewThis cruise of Bosei maru is conducted under the TEAMS project, namely Tohoku Ecosystem Array of Marine Sciences. Detailed investigation is mooring deployment of the lander, core samplings by multiple coring and piston coring, and hydrographic observation.
Overview of the Observation
Research Point Map & Track Chart Map & Point List
Results and Future PlanThe purpose of this cruise is to understand impacts on marine ecosystems by the 2011 Earthquake of the Pacific coast of Tohoku and Tsunami, and to contribute for recover and rebuild of Sanriku fisheries activities in terms of marine science. Detailed investigation subjects are distribution patterns and diversity of benthic organisms, seawater and sediments geochemistry, and sediments characteristics. In this cruise, we carried out lander deployment, core samplimg using multiple corer and water sampling using 12 liter Niskin bottles carousel system with SBE CTD-DO system. Based on these data and samples, we will construct habitat map for ecosystem management in Sanriku areas.
Investigation Item and Data Acquisition
| Investigation Item | Data Acquisition |
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| lander | Temperature, salinity, pressure, turbidity, dissolved oxygen, current velocity, current direction, picture, movie |
| Core sampling | Multiple coring (9 sites) |
| Hydrographic observation | CTD, FRRF (Chl.a, PAR), dissolved inorganic carbon, total alkalinity, nutrients, salinity, 18O-H2O, dissolved organic carbon, CFCS, chl.a, HPLC |
Reference
Related Observation Plan
Related Observation Data
Person in charge of Investigation
| Representative person | Masahide Wakita |
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| Organization | Japan Agency for Marine-Earth Science and Technology |
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| Department | Eastern Japan Marine Ecosystems Dynamics Project team |
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| Fiscal Year | 2013 |
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| Organization | Japan Agency for Marine-Earth Science and Technology |
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| Category | Research Cruise |
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| Research Area | North Sanriku
South Sanriku
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| Discipline | Ocean physics -> Water temperature
Ocean physics -> Salinity
Ocean physics -> Ocean current / Tidal current (Current direction/Current speed)
Ocean physics -> Transparency / Turbidity
Ocean chemistry -> Salinity
Ocean chemistry -> Dissolved oxygen
Ocean chemistry -> Nutrients
Ocean chemistry -> Organic matter
Ocean chemistry -> Total carbonic acid
Ocean chemistry -> Alkalinity
Ocean chemistry -> Others
Ocean environment -> Nutrients
Ocean environment -> Plant pigments
Ocean environment -> Organic carbon
Ocean environment -> Alkalinity
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