Scientist Jean Lemire leads a crew aboard the oceanographic schooner Sedna IV on a 1,000-day journey for the planet. The journey takes the team across Earth. The goal of the crew — made up of mariners, scientists, and filmmakers — is to reveal the planet’s beauty and understand how Earth’s ecosystems work.
Tag: Oceans
Ocean Deoxygenation: Will Affect Millions Of People
Ocean deoxygenation refers to the loss of oxygen from the oceans due to climate change (Keeling et al. 2010). The new International Union for Conservation of Nature (IUCN) report “Ocean deoxygenation: everyone’s problem” estimates that the ocean as a whole is expected to lose 3–4% of its oxygen inventory by the year 2100. Oxygen loss in the oceans impacts species differently, depending on their oxygen dependencies. Nevertheless, it hurts our ocean food supply significantly.
Scientists say rising sea temperature caused by carbon dioxide and other greenhouse gas emissions is leading to oxygen-depleted zones to form on the sea bed. The report found that the loss of oxygen from the world’s ocean is increasingly threatening fish species such as tuna, marlin, and sharks.
Copernicus Marine Data And Adapting To Climate Change
The oceans are undergoing sweeping, severe, and unavoidable changes. Sea level rise, extreme weather events, and changing marine ecosystems are becoming a fact of life, particularly affecting coastal communities — making understanding and measuring the ocean an essential step towards ensuring our relationship with the ocean is sustainable and resilient. Accurate, global data like that provided by the Copernicus Marine Service will be increasingly vital if we are to make well-informed decisions as we adapt to Earth’s changing ocean and climate.