Abstract
Knowledge about seafloor depth, or bathymetry, is crucial for various
marine activities, including scientific research, offshore industry,
safety of navigation, and ocean exploration. Mapping the central Arctic
Ocean is challenging due to the presence of perennial sea ice, which
limits data collection to icebreakers, submarines, and drifting ice
stations. The International Bathymetric Chart of the Arctic Ocean
(IBCAO) was initiated in 1997 with the goal of updating the Arctic Ocean
bathymetric portrayal. The project team has since released four
versions, each improving resolution and accuracy. Here, we present IBCAO
Version 5.0, which offers a resolution four times as high as Version
4.0, with 100 × 100 m grid cells compared to 200 × 200 m. Over 25% of
the Arctic Ocean is now mapped with individual depth soundings, based on
a criterion that considers water depth. Version 5.0 also represents
significant advancements in data compilation and computing techniques.
Despite these improvements, challenges such as sea-ice cover and
political dynamics still hinder comprehensive mapping.
| Original language | English |
|---|---|
| Article number | 1420 |
| Number of pages | 22 |
| Journal | Scientific data |
| Volume | 11 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Dec 2024 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
-
SDG 14 Life Below Water
Programme Area
- Programme Area 3: Energy Resources
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