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

Fiscal Year

2018

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 personHideki Fukuda
OrganizationAtmosphere and Ocean Research Institute, The University of Tokyo
DepartmentInternational Coastal Research Center Coastal Conservation
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
2018/07/22 - 2018/07/30
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 Map & Track Chart Map & Point List
Results and Future Plan
Observation was not conducted at ON8 due to extreme weather.

Investigation Item and Data Acquisition

Investigation ItemData Acquisition
Plankton samplingNorpac Twin plankton net was used at 13 points.
CTDDepth, Temperature, and Salinity at 20 points.
Water samplingNiskin water samplers attached to CTD was used at 20 points.
Sediment samplingMultiple Corer was used at 7 point.
Suspended particlesLISST-Holo
Benthos samplingBeam trawl was used at 2 points.

Reference

Person in charge of Investigation

Representative personToshi Nagata
OrganizationAtmosphere and Ocean Research Institute The University of Tokyo
DepartmentDepartment of Chemical Oceanography, Marine Biochemistry

Keywords

Fiscal Year2018
OrganizationAtmosphere and Ocean Research Institute, The University of Tokyo
CategoryResearch Cruise
Research AreaSouth Sanriku
DisciplineOcean physics -> Water temperature
Ocean physics -> Salinity
Ocean chemistry -> Salinity
Ocean chemistry -> Dissolved oxygen
Ocean chemistry -> Nutrients
Ocean chemistry -> Organic matter
Ocean environment -> Nutrients
Ocean environment -> Plant pigments
Ocean environment -> Suspended solids
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 -> Arthropods
Ocean biology / Ocean ecology -> Mollusks
Ocean biology / Ocean ecology -> Plankton
Topography / Geology / Geophysics -> Bottom sediment
Topography / Geology / Geophysics -> Marine sediments