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Ocean Mapping

Fri 26 Jun, 2020

On the occasion of World Hydrography Day Nippon Foundation of Japan and the General Bathymetric Chart of the Oceans (GEBCO) announced that mapping of nearly one-fifth of the world’s ocean floor had been finished under the Seabed 2030 Project.


  • World Hyderography Day has been observed worldwide on 21 June 2020.
  • The size and depth of the ocean floor can be measured through bathymetry. Through bathymetry, the level of water depth in lakes, seas or oceans is measured. Bathymetry data collects information about the depth and size of underwater topography.

Major Highlights

  • Under the Seabed 2030 project, 1.45 crore square kilometers of bathymetric data have been included in the latest grid.
  • Under the Nippon Foundation-GEBCO's SEBED 2030 project, the sea level mapping of the entire world is to be completed by the year 2030.
  • Since the project was started in the year 2017, since then about 6 percent to 19 percent of the sea level survey has been done according to modern standards.

Seabed 2030 Project

  • The project was announced at the United Nations Ocean Conference in 2017.
  • The global initiative of the project was undertaken in 2017 through the Nippon Foundation of Japan and the 'General Bathymetric Chart of the Oceanus' (GEBCO). GEBCO is mandated to prepare sea level maps of the entire world.
  • Through this project, sourcing and compilation of bathymetric data obtained with the help of five centers of GEBCO grid located from different parts of the ocean.