Sentences with phrase «surfaces absorb more heat»

The melting of glaciers such as Jakobshavn Isbræ has also begun to expose rock, soil, and ocean waters, which in turn causes further melting, because darker surfaces absorb more heat.

All this melting has begun to expose rock and soils (and ocean in areas where sea ice has melted), which in turn causes further melting, because darker surfaces absorb more heat.

Because darker surfaces absorb more heat than lighter, more reflective ones, if enough soot is deposited on snow and ice it can accelerate melting.

Dark surfaces absorb more heat from the sun.

Quantitative analysis has evidenced the acceleration system of melting ice: dark water surfaces absorb more heat than white ice surfaces, thus melting ice and making more water surfaces in the Arctic Ocean.

Not exact matches

The ocean absorbs most of the extra heat trapped by greenhouse gases — more than 80 percent — with temperatures rising up to 3,000 meters below the surface.

That means the surface absorbs far more heat from the sun, instead of reflecting light back into space.

This darkens the surface, which subsequently absorbs more of the sun's heat.

More than 90 percent of the excess heat trapped by greenhouse gas emissions has been absorbed into the oceans that cover two - thirds of the planet's surface.

There are also concerns that oceans, which currently absorb more than 90 percent of the extra heat being trapped by human greenhouse gas emissions, could eventually release some of that back to the surface, speeding up the surface temperature rise.

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Actually, though, most of the OLR originates from below the tropopause (can get up around 18 km in the tropics, generally lower)-- with a majority of solar radiation absorbed at the surface, a crude approximation can be made that the area emitting to space is less than 2 * (20/6371) * 100 % ~ = 0.628 % more than the area heated by the sun, so the OLR per unit area should be well within about 0.6 % of the value calculated without the Earth's curvature (I'm guessing it would actually be closer to if not less than 0.3 % different).

A second alternative acknowledges an unchanging OLR, but posits that less is now entering the stratosphere in wavelengths absorbable by CO2 because a heated surface is now radiating more IR to space in wavelengths where CO2 does not absorb («window regions»).

For example: 1) plants giving off net CO2 in hot conditions (r / t aborbing)-- see: http://www.climateark.org/articles/reader.asp?linkid=46488 2) plants dying out due to heat & drought & wild fires enhanced by GW (reducing or cutting short their uptake of CO2 & releasing CO2 in the process) 3) ocean methane clathrates melting, giving off methane 4) permafrost melting & giving off methane & CO2 5) ice & snow melting, uncovering dark surfaces that absorb more heat 6) the warming slowing the thermohaline ocean conveyor & its up - churning of nutrients — reducing marine plant life & that carbon sink.

Isn't it evident that as the surface warms the ocean heat sink will tend to absorb more heat, and that if the surface cools then the ocean releases heat?

Light surfaces reflect more light away and absorb less heat.

In addition, once snow cover melts completely it often reveals underlying ice that has been darkened by dust and other particles, whose surface absorbs more solar energy, promoting heating.

Still, they indicate that some areas of the ocean are heating up especially fast, such as the Arctic Ocean — which this year had its lowest winter ice year on record — and is absorbing much more solar energy as melting ice cover exposes new dark surfaces.

Loss of sea ice means more heat from the sun is absorbed by the ocean surface, adding to Arctic warming.

The heating is uneven, because of night and day, because different surfaces (such as rocks and trees) absorb and reflect sunlight in different amounts, and because sunlight hits the equator more directly than the poles.

More recently, scientists have been surprised to learn that black carbon — not only from biomass fires but from dirty diesel engines and other sources — is a far larger contributor to global warming than previously suspected: The dark particles absorb and retain heat close to the Earth's surface that might otherwise be reflected.

If the land could somehow transfer the heat, thereby cool the surface in some way, then it could absorb more energy.

According to the BBC, the draft IPCC report suggests that the oceans have been absorbing more heat than expected, in effect insulating global surface temperatures from greater change.

Some of the accumulated heat will be released into the air above, the equilibrium has been disrupted, cooler surface, followed by more heat absorbing from the source above, and so on, result surface temperature oscillation (the AMO).

Bill Gray has a favorite diagram, taken from a 1985 climate model, showing little nodules in the center with such labels as «thermal inertia» and «net energy balance» and «latent heat flux» and «subsurface heat storage» and «absorbed heat radiation» and so on, and they are emitting arrows that curve and loop in all directions, bumping into yet more jargon, like «soil moisture» and «surface roughness» and «vertical wind» and «meltwater» and «volcanoes.»

9 Increasing greenhouse gases trap more heat «Greenhouse effect» Increasing greenhouse gases trap more heat [Image 1] Earth's surface absorbs heat from the sun and then re-radiates it back into the atmosphere and to space.

In the polar regions, where few such storms occur, heating by greenhouse gases remains at the surface, and is exacerbated by the melting of bright sea ice that exposes more of the dark ocean surface and causes more sunlight to be absorbed.

The retreat exposes soil, rock, and ocean surfaces, which absorb light and heat, causing further melting.10, 11 (See Jakobshavn Isbræ and Helheim glacier hotspots for more information on albedo.)

To be energy or more properly, heat transferred, the one - way upwelling radiation from the surface absorbed by the air should be reduced by subtraction of the down - welling radiation of the air absorbed by the surface Note that by subtraction of the (about 20 W / m ² in global average) flow surface to cosmos of both terms of GH, GH expression becomes GH = (radiation from the surface absorbed by the air) minus (outgoing longwave radiation from the air) which has absolutely no physical sense!

The rapid changes underway in the Arctic are partly caused by the disappearance of sea ice, which causes more light and heat to be absorbed at the ocean's surface during sunny months instead of being reflected into space.

Since those 15 micron photons are impacting a surface that is already radiating away from the hugely more massive surface (speaking at molecular level) those photons will be absorbed and radiated out again because the heat store just below the molecular surface is at a higher energy potential.

20 Global Weather Patterns If the Earth warms up significantly, the surface of the oceans will absorb more heat, which may make hurricanes and typhoons more common.

The gas which absorbs the most heat (infrared radiation) is the most effective greenhouse gas as in the atmosphere it would absorb more infrared coming from the Earth's surface.

I would guess that with the properties changing less with depth, heat can penetrate down easier there, so that it takes more energy to warm the surface, leading to it being cool when the surface is absorbing energy.

Melting sea ice reduces reflective ice and increases exposure of the sea surface, which absorbs more heat thus exacerbating the warming affect.

As the ice on the surface of the Arctic Ocean melts away, there is a smaller area of white ice to reflect the Sun's heat back into space and more open, dark water to absorb it.

The additional energy absorbed within the TSL supports more of the surface heat loss.