Multibeam probes and nuclear submarine under the Arctic ice In order to carry out the IBCAO 4.0 map, the team used the same technology used in the submarine study in other regions of the ocean.

The new IBCAO Ver. 4.0 has increased the area mapped of the Arctic Ocean from 6.7% in the previous release of Ver. 3.0 in 2012 to 19.6%.

The map now shows almost 20 per cent of the Arctic Ocean floor. The last version, published in 2012, covered only about seven per cent of it. Understanding climate change ...

This addition contributes to the Seabed 2030 project, which aims to map the entire ocean floor by 2030. The project, launched in 2017, published its findings in -Scientific Data by Nature.

On September 11 of this year, the sea ice in the Arctic Ocean reached its annual minimum. 2015’s minimum was the fourth-smallest ever recorded, and it nearly tied with the third-smallest on record.

Jeannie Yandel talks to Rear Admiral Gerd Glang, head of NOAA's office of coast survey, about why only 1 percent of the U.S. Arctic Ocean has been mapped with modern tools.

The map is the 4.0 version of the International Bathymetric Chart of the Arctic Ocean (IBCAO), an initiative that was created in 1997 in Saint Petersburg (Russia) in order to map the depths of the ...

The map is the 4.0 version of the International Bathymetric Chart of the Arctic Ocean (IBCAO), an initiative that was created in 1997 in Saint Petersburg (Russia) in order to map the depths of the ...