On land, we're familiar with heat waves and cold snaps. But the deep sea also experiences prolonged periods of hot and cold .

They are warm or cold when compared to the temperature of water you would expect for a latitude. Ocean ... currents and are found in both the Northern and Southern Hemispheres. The map below ...

Marine heatwaves and cold spells are occurring both on the ocean surface and below, with ocean currents influencing their frequency. While marine heatwaves (MHWs) have been studied at the sea ...

But the deep sea also experiences prolonged periods of hot ... and cold snaps reaching the ocean’s twilight zone – between 200 and 1,000 metres – are driven by large eddy currents, swirling ...