OPTIMAP feeds
General feeds
Subscribe to research works from all sources, time periods, and regions.
Regional feeds
Subscribe to research works from selected continents or oceans.
Continents
- Africa: RSS | Atom (updated 2026-05-22 12:33)
- Antarctica: RSS | Atom (updated 2026-05-22 12:33)
- Asia: RSS | Atom (updated 2026-05-22 12:33)
- Australia: RSS | Atom (updated 2026-05-22 12:33)
- Europe: RSS | Atom (updated 2026-05-22 12:33)
- North America: RSS | Atom (updated 2026-05-22 12:33)
- Oceania: RSS | Atom (updated 2026-05-22 12:33)
- South America: RSS | Atom (updated 2026-05-22 12:33)
Oceans
- Arctic Ocean: RSS | Atom (updated 2026-05-22 12:33)
- Baltic Sea: RSS | Atom (updated 2026-05-22 12:33)
- Indian Ocean: RSS | Atom (updated 2026-05-22 12:33)
- Mediterranean Region: RSS | Atom (updated 2026-05-22 12:33)
- North Atlantic Ocean: RSS | Atom (updated 2026-05-22 12:33)
- North Pacific Ocean: RSS | Atom (updated 2026-05-22 12:33)
- South Atlantic Ocean: RSS | Atom (updated 2026-05-22 12:33)
- South China and Easter Archipelagic Seas: RSS | Atom (updated 2026-05-22 12:33)
- Southern Ocean: RSS | Atom (updated 2026-05-22 12:33)
- South Pacific Ocean: RSS | Atom (updated 2026-05-22 12:33)
Sources & licenses for region data
Source: Flanders Marine Institute (2021). Global Oceans and Seas, version 1 (CC BY 4.0 license)
Regions: Arctic Ocean, Baltic Sea, Indian Ocean, Mediterranean Region, North Atlantic Ocean, North Pacific Ocean, South Atlantic Ocean, South China and Easter Archipelagic Seas, South Pacific Ocean, Southern Ocean
Source: Esri Hub World Continents Feature Service (license)
Regions: Africa, Antarctica, Asia, Australia, Europe, North America, Oceania, South America
Geometric processing:
Ocean geometries are simplified to reduce file size while preserving geographic accuracy. Simplification uses a tolerance of degrees and removes the smallest % of interior holes (islands are preserved).