Tag: ocean
Coral reefs will not survive a global warming of +1.5°C
That global warming would endanger coral reefs, scientists have known for a long time. But new work today shows a reality that they had not dared to imagine. Because, with…
In the spotlight: preserving the ocean…
” Brest: the world at the bedside of sick oceans » : this is the great title of Ouest France. “ A world first, the One Ocean Summit, the Ocean…
Antarctica: whirlpools in the ocean are preventing the sea ice from melting…for now!
The Earth is heating up. And yet on the Antarctic side, the sea ice cover seems to want to remain stable. A paradox that researchers are struggling to explain. But…
‘Significant and potentially irreversible’ ocean deoxygenation began to occur in 2021
Among the effects of global warming is the deoxygenation of the oceans. An effect that researchers have tried to quantify. According to them, by 2080, no less than 70% of…
Follow the meanders of the longest underwater river in the world
Like our rivers, the underwater world also has its system of channels, in which sediment-laden fluids flow. A new mission off the Canadian coast reveals the morphology of the longest…
This Saturn moon would also hide an ocean under its surface
Around Saturn there was already Enceladus and Titan. Among the moons of the ringed planet that hide a liquid ocean under their surface, it will now probably also be necessary…
Bacteria in hydrothermal vents are great energy powerhouses
Some hypotheses suggest that life appeared at the bottom of the oceans at hydrothermal vents. The bacteria currently observed there are based on methanogenesis, a process that releases energy if…
Saturn’s moon Mimas would also hide an ocean under its surface
Around Saturn there was already Enceladus and Titan. Among the moons of the ringed planet that hide a liquid ocean under their surface, it will now probably also be necessary…
The giant iceberg A-68 released 152 billion tons of fresh water into the ocean!
One of the largest icebergs on record broke away from Antarctica in 2017. Three and a half years later, it headed perilously towards South Georgia. What threat does this colossal…
An important intact coral reef discovered in Tahiti
A coral reef resembling a giant rose garden has been discovered in Tahiti. Its location and state of health intrigue researchers and offer new perspectives for coral conservation. You will…