Sentences with phrase «deep ocean currents»

A dramatic slowdown in deep ocean currents matches a major reset in Earth's ice ages about 1 million years ago, new evidence from the South Atlantic seafloor suggests.

The results, published in the journal Nature Geoscience, show how climate events in the Northern Hemisphere were tightly coupled with changes in the strength of deep ocean currents in the Atlantic Ocean, and how that may have affected conditions across the globe.

He returned in February 2015 to an outcrop previously documented as a coal bed, convinced that the existence of turbidites, a type of sedimentary rock associated with deep ocean currents, next to the coal deserved more investigation.

Observational data on many key climatic variables is extremely limited, particularly for sluggish components of the system such as deep ocean currents.

8 global circulation of deep ocean currents transports warm water to colder areas & cold water to warmer areas efficient heat - transport system drives Earth's climate

Changes in deep ocean currents may have caused natural climate fluctuations in the past, and their role in storing or releasing «excess» carbon could interact with man - made climate change in the future.

In places surface water sinks — driving deep ocean currents — and in others it upwells.

Beatty believes that when 570 degree Fahrenheit water from thermal vents hits cold, deep ocean currents, several light - producing processes may occur: sonoluminescence from imploding gas bubbles; chemiluminescence from chemical reactions (analogous to fireflies lighting up); crystalloluminescence from the formation of crystal bonds; and triboluminescence from the breaking of those bonds.

Our global climate models zoom down to finer and finer resolutions; our satellites reveal remote corners of the globe; we increase our understanding of the response of giant ice sheets and deep ocean currents to a warming planet.

Analysing new data from marine sediment cores taken from the deep South Atlantic, between the southern tip of South America and the southern tip of Africa, the researchers discovered that during the last ice age, deep ocean currents in the South Atlantic varied essentially in unison with Greenland ice - core temperatures.

It is the dense waters formed by this process that set up the deep ocean current patterns.

This change in the windfield also impacted ocean circulation, helping to pump warm, deep ocean currents to the surface, where they ate away at the ice from below.

Both missions will also make other key observations: for instance, GRACE - FO will measure groundwater reserves and deep ocean currents; ICESat - 2 will measure sea ice thickness and vegetation height.

The average rate of the deep ocean current is around 10 cm / sec.

Deep ocean currents are caused by cold water near the poles sinking and flowing along ocean floor.

Now I will agree that it is generally accepted wisdom that the deep ocean currents turn over in the period of centuries, the upper ocean layers decades.

«This is because that much of the energy from the sun, is accumulated in the ocean, and burried by the deep ocean currents» Sebastian Mernild explains.

Deep ocean currents are a lot of things... but they are not a quick - reacting system.