Studies on the turbulence and recovery process of the Sanriku coastal ecosystem by the giant tsunami

Fiscal Year

2012

Title

Studies on the turbulence and recovery process of the Sanriku coastal ecosystem by the giant tsunami

Project and Theme

Project 2. Studies on the mechanisms of marine ecosystem change
Representative Organization: Atmosphere and Ocean Research Institute The University of Tokyo
Theme3. Study on material circulation process changes accompanying the earthquake
Representative personToshi Nagata
OrganizationAtmosphere and Ocean Research Institute The University of Tokyo
DepartmentDepartment of Chemical Oceanography, Marine Biochemistry
Theme4. Elucidation of the actual situation and impact of land-based pollutant inflow
Representative personHiroshi Ogawa
OrganizationAtmosphere and Ocean Research Institute The University of Tokyo
DepartmentDepartment of Chemical Oceanography, Marine Biochemistry
Theme5. Construction of an ecosystem model integrating physical processes
Representative personKiyoshi Tanaka
OrganizationAtmosphere and Ocean Research Institute The University of Tokyo
DepartmentInternational Coastal Research Center, Coastal Ecosystem

Research Information

Period and Interval
2012/04/28 - 2012/05/03
Research Area
Offshore Otsuchi, Onagawa, and Kamaishi
Category
Research Cruise
Overview
Scientists involved in the Tohoku Ecosystem-Associated Marine Sciences (TEAMS) conducted research on pelagic and benthic environments in Tohoku area.

Overview of the Observation

Research Point Table
Point
NameON2
NameON3
NameON4
NameON5
NameON6
NameON7
NameON8
NameKM3
NameOT4
NameOT5
NameOT6
Research Point Map & Track Chart Map & Point List
Results and Future Plan
Observations were not conducted at several stations.

Investigation Item and Data Acquisition

Investigation ItemData Acquisition
Water samplingNiskin water samplers attached to CTD were used at 11 points.
Sediment samplingMultiple Corer was used at 14 points.
Plankton samplingNorpac Twin plankton net was used at 11 points.
CTDDepth, Temperature, Salinity

Reference

Person in charge of Investigation

Representative personAtsushi Tsuda
OrganizationAtmosphere and Ocean Research Institute, The University of Tokyo
DepartmentDepartment of Marine Ecosystem Dynamics Marine Planktology

Keywords

Fiscal Year2012
OrganizationAtmosphere and Ocean Research Institute, The University of Tokyo
CategoryResearch Cruise
Research AreaSouth Sanriku
DisciplineOcean physics -> Water temperature
Ocean physics -> Salinity
Ocean physics -> Ocean current / Tidal current (Current direction/Current speed)
Ocean chemistry -> Salinity
Ocean chemistry -> Dissolved oxygen
Ocean chemistry -> Nutrients
Ocean chemistry -> Organic matter
Ocean environment -> Nutrients
Ocean environment -> Plant pigments
Ocean biology / Ocean ecology -> Biomass
Ocean biology / Ocean ecology -> Viruses
Ocean biology / Ocean ecology -> Bacteria
Ocean biology / Ocean ecology -> Plankton
Topography / Geology / Geophysics -> Marine sediments