Ocean Knowledge
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Welcome to the Ocean Knowledge page, where you can explore valuable tools and resources developed by Mercator Ocean International through various services and programmes, primarily for the European Commission.
Ocean monitoring news and tools
Provides you with information and interactive tools to follow changes in the Ocean in line with climate change and natural variations.
Ocean news and bulletins
As an international reference for Ocean data and expertise, MOi provides a growing suite of bulletins, offering in-depth coverage on topics like marine heatwaves, sea ice, El Niño, and more.
Ocean Visualisation & Data
Discover an advanced suite of interactive viewers designed to meet diverse needs of users, from beginners to experts, making it possible to explore, manipulate and even anticipate the state of the Ocean and more.
Ocean Climate Portal
Through interactive graphs, trends, maps, and in-depth explanations, the Copernicus Ocean Climate Portal provides valuable insights into the changes occurring in the Ocean and their broader impacts on society.
Ocean Monitoring Indicatiors
The Copernicus Ocean Monitoring Indicators (OMIs) are a set of nearly 80 free downloadable indicators offering insights into trends spanning the past quarter-century and allowing you to track the Ocean’s evolution and understand the impacts of climate change over time.
EU Copernicus Ocean State Report and Summary
Recognised by the EU Mission « Restore our Ocean and Waters, » the Copernicus Ocean State Report, coordinated by MOi, provides a clear assessment of the state of the global Ocean and European seas.
Surface knowledge
Offers Ocean literacy content for beginners and intermediate users.
Ocean thematic pages: Marine Heatwaves
Mercator Ocean experts publish a weekly bulletin following marine heatwaves across the global Ocean, covering the developments of the last week as well as forecasts into the next week. Learn about the impacts, causes, and significance of this phenomenon, and access our Marine Heatwaves bulletin as an operational service.
Ocean Explainers
This web portal through the Copernicus Marine Service contributes to Ocean literacy by summarising the fundamentals of oceanography in an interactive way, covering policies, phenomena and threats, operational oceanography, and more.
MyOcean Learn
The Copernicus MyOcean Learn viewer is an Ocean literacy tool designed to explain key ocean variables alongside videos to explain how the Ocean machine functions.
MORE READING
Deeper Dive is designed for intermediate to expert users, featuring advanced tools as well as scientific research, publications and reports produced by Mercator Ocean oceanographers.
Scientific publications
MOi researchers and experts regularly author and co-author scientific papers contributing to the advancement of operational oceanography and related fields. Explore the database of their work.

The Blue Book
The Blue Book – Copernicus for a Sustainable Ocean is a report to inform all European citizens including policymakers, students and youth on how the Copernicus Marine Service benefits society as a whole.

EU4OceanObs use cases
Discover several case studies on the Earth observation value chain on Ocean and coastal related themes, providing concrete examples of pan-European and European led initiatives, projects and services to address challenges and problems related to each theme.
