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

Fiscal Year

2014

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
2014/04/14 - 2014/04/21
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
NameON1
NameON2
NameON3
NameON4
NameON5
NameON6
NameON7
NameON8
NameON11
NameON12
NameKM1
NameKM2
NameKM3
NameOT3
NameOT4
NameOT5
NameOT6
Research Point Map & Track Chart Map & Point List
Results and Future Plan
Additional observations were conducted near the Japan Trench.

Investigation Item and Data Acquisition

Investigation ItemData Acquisition
CTDDepth, Temperature, Salinity
Water samplingNiskin water samplers attached to CTD were used at 17 points.
Sediment samplingMultiple Corer was used at 18 points.

Reference

Person in charge of Investigation

Representative personKazuhiro Kogure
OrganizationAtmosphere and Ocean Research Institute The University of Tokyo
DepartmentCenter for Earth Surface System Dynamics, Genetic Research

Keywords

Fiscal Year2014
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
Topography / Geology / Geophysics -> Marine sediments