Long term monitoring of bottom water and sea floor environments in off Otsuchi, Iwate. (1000m)

2012

Long term monitoring of bottom water and sea floor environments in off Otsuchi, Iwate. (1000m)

Project 3. Research on factors controlling open ocean benthopelagic ecosystem dynamics

Theme3. Long-term monitoring of the physic-chemical environment in fisheries grounds

Representative person	Shuichi Watanabe
Organization	Japan Agency for Marine-Earth Science and Technology
Department	Eastern Japan Marine Ecosystems Dynamics Project team

Period and Interval

Research Area

Category

Overview

Research Point Table

Point	Name Point:Off Otsuchi Coordinates 39.33296,142.45865 Remarks Mooring Point:998m in water depth

Research Point Map & Track Chart Map & Point List

Results and Future Plan

Investigation Item	Data Acquisition
Mooring system (Observation bouy)	Water temperature, Salinity, Water depth, Turbidity, Dissolved oxygen concentration, Current direction and intensity (1 hour interval). Picture of sea floor (1 day interval). Movie of sea floor (5 minutes in 1 week interval).

Related Observation Plan

Related Observation Data

Representative person	Kazumasa Oguri
Organization	Japan Agency for Marine-Earth Science and Technology
Department	Eastern Japan Marine Ecosystems Dynamics Project team

Fiscal Year	2012
Organization	Japan Agency for Marine-Earth Science and Technology
Category	Mooring system (Observation buoy)
Research Area	South Sanriku
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 Topography / Geology / Geophysics -> Seabed morphology