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

Fiscal Year

2015

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
2015/09/29 - 2015/10/04
Research Area
Offshore Otsuchi, Onagawa, and Kamaishi
Category
Research Cruise
Overview
Scientists involved in the Tohoku Ecosystem-Associated Marine Sciences (TEAMS) will conduct research on pelagic and benthic environments in Tohoku area.

Overview of the Observation

Results and Future Plan
Offshore observations were skipped due to extreme weather.

Investigation Item and Data Acquisition

Investigation ItemData Acquisition
Plankton samplingNorpac Twin plankton net was used at 7 points.
Quantitative Echo Sounder, Scanning SonarSonar data throughout the cruise.
CTDDepth, Temperature, and Salinity at 7 points.
Water samplingNiskin water samplers attached to CTD were used at 7 points.
Sediment samplingMultiple Corer was used at 20 points.
Acoustic Doppler Current ProfilerADCP data throughout the cruise.

Reference

Person in charge of Investigation

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

Keywords

Fiscal Year2015
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 -> Archaea
Ocean biology / Ocean ecology -> Fungi
Ocean biology / Ocean ecology -> Protists
Ocean biology / Ocean ecology -> Plankton
Topography / Geology / Geophysics -> Bottom sediment
Topography / Geology / Geophysics -> Marine sediments