Acoustic survey

Fiscal Year

2013

Title

Acoustic survey

Project and Theme

Project 3. Research on factors controlling open ocean benthopelagic ecosystem dynamics
Representative Organization: Japan Agency for Marine-Earth Science and Technology
Theme1. Research on mapping and decomposition of debris in fisheries grounds
Representative personYoshihiro Fujiwara
OrganizationJapan Agency for Marine-Earth Science and Technology
DepartmentEastern Japan Marine Ecosystems Dynamics Project team

Research Information

Period and Interval
2013/11/18 - 2014/01/31, 2014/01/15 - 2014/03/31
Survey in Onagawa Bay (11/18-1/31), Survey in Hirota bay (1/15-3/31)
Research Area
Off Onagawa, Off Hirota bay
Category
Field survey
Overview
To obtain the basic data for the seafloor variation, we plan the acoustic survey to obtain the high quality bathymetric data and sub-bottom profile.

Overview of the Observation

Research Point Table
Polygon
Coordinates38.5,141.583333/38.5,141.85
Coordinates38.475,141.533333/38.475,141.666667
Coordinates38.897222,141.708333/38.847222,141.825
Polygon
Coordinates38.5,141.583333/38.5,141.666667/38.433333,141.666667/38.433333,141.583333
Coordinates38.930556,141.780556/38.944444,141.741667/38.847222,141.677778/38.830556,141.713889

Investigation Item and Data Acquisition

Investigation ItemData Acquisition
MBES surveyBathymetric data
Sub-bottom profilingSub-bottom profile

Reference

Related Observation Plan
FY2013 Acoustic survey
Related Observation Data
Bathymetric data(Onagawa Bay and Hirota Bay)
CTD_dataset_2013

Person in charge of Investigation

Representative personTakafumi Kasaya
OrganizationJapan Agency for Marine-Earth Science and Technology
DepartmentEastern Japan Marine Ecosystems Dynamics Project Team

Keywords

Fiscal Year2013
OrganizationJapan Agency for Marine-Earth Science and Technology
CategoryField survey
Research AreaSouth Sanriku
DisciplineTopography / Geology / Geophysics -> Topography
Topography / Geology / Geophysics -> Seabed morphology
Topography / Geology / Geophysics -> Stratigraphy
Topography / Geology / Geophysics -> Geological structure