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Between 1993 and 2018, the mean sea level has risen across most of the world ocean (blue colors). [71] Coastal ecosystems are facing further changes because of rising sea levels. Some ecosystems can move inland with the high-water mark, but others are prevented from migrating due to natural or artificial barriers.
Furthermore, the ocean's function as a carbon dioxide sink, alterations in the atmosphere, ultraviolet light, ocean acidification, viral infections, the repercussions of dust storms transporting agents to distant reefs, pollutants, and algal blooms represent some of the factors exerting influence on coral reefs.
The pH of the ocean now averages at 8.1, therefore the acidity of the ocean is around 30% more acidic than in pre-industrial times. [21] Acceleration is needed to reach target 14.3. This section is an excerpt from Ocean acidification .
The Drake is part of the most voluminous ocean current in the world, with up to 5,300 million cubic feet flowing per second. Squeezed into the narrow passage, the current increases, traveling west ...
In the ocean, there are frequent red tide algae blooms [75] that kill fish and marine mammals and cause respiratory problems in humans and some domestic animals when the blooms reach close to shore. In addition to land runoff , atmospheric anthropogenic fixed nitrogen can enter the open ocean.
The Convention regulates all facets of ocean space, including delimitation, environmental control, marine scientific research, economic and commercial activity, transfer of technology, and the resolution of disputes pertaining to ocean issues. It has 320 articles and nine annexes.
The first edition of the World Ocean Review explored general topics relating to the ocean. Volumes 2 to 6 focus on more specialised issues of relevance to the marine environment. WOR 7 is, once again, a wide-ranging report which covers all the key thematic areas, whereas the eighth volume discusses the specific question of how the ocean should ...
In today's Game of the Day, you'll help Jennifer, a young marine biologist, win the best aquarium award. Fishdom H20: Hidden Odyssey will have you diving to the bottom of the sea and finding ...