Sentences with phrase «also changes in the albedo»

However, there are also changes in the albedo of snow due to growth of biological communities based on algae when nutrients are deposited on snow.

Not exact matches

For one thing, the fit neglects lags in the system (such as those resulting from ocean heat uptake) and it also neglects changes in albedo and other radiative factors.

He then uses what information is available to quantify (in Watts per square meter) what radiative terms drive that temperature change (for the LGM this is primarily increased surface albedo from more ice / snow cover, and also changes in greenhouse gases... the former is treated as a forcing, not a feedback; also, the orbital variations which technically drive the process are rather small in the global mean).

There was more ice around in the LGM and that changes the weighting of ice - albedo feedback, but also the operation of the cloud feedback since clouds over ice have different effects than clouds over water.

In our own modelling, we have improved the calculations to reduce the amount of numerical diffusion (which helped a lot), and increased resolution (which also helped), but changes to the ocean model also have a big impact, as do Arctic cloud processes and surface albedo parameterisations, so it gets complicated fast.

(In the full 4 - dimensional climate, responses can also tend spread horizontally by convection (advection) and temporally by heat capacity, though «fingerprints» of horizontal and temporal variations in RF (externally imposed and feedback — snow and ice albedo, for example) can remain — this spreading is somewhat different as it relies in part on the circulation already present as well as circulation changeIn the full 4 - dimensional climate, responses can also tend spread horizontally by convection (advection) and temporally by heat capacity, though «fingerprints» of horizontal and temporal variations in RF (externally imposed and feedback — snow and ice albedo, for example) can remain — this spreading is somewhat different as it relies in part on the circulation already present as well as circulation changein RF (externally imposed and feedback — snow and ice albedo, for example) can remain — this spreading is somewhat different as it relies in part on the circulation already present as well as circulation changein part on the circulation already present as well as circulation changes)

In particular, there are «slow» responses to the imbalance that are seen in the glacial record — CO2 and methane increase with a slow lag as temperature rises in response to the orbital changes, and the albedo effect that reduces incoming sunlight decreases as the ice melts, also with a slow laIn particular, there are «slow» responses to the imbalance that are seen in the glacial record — CO2 and methane increase with a slow lag as temperature rises in response to the orbital changes, and the albedo effect that reduces incoming sunlight decreases as the ice melts, also with a slow lain the glacial record — CO2 and methane increase with a slow lag as temperature rises in response to the orbital changes, and the albedo effect that reduces incoming sunlight decreases as the ice melts, also with a slow lain response to the orbital changes, and the albedo effect that reduces incoming sunlight decreases as the ice melts, also with a slow lag.

I also believe that soot and all the other aerosols that combine and rain out has contributed to significant albedo changes and is food for localized warming from biochemical activity in the boreal north that has significantly contributed to the melting of land and sea ice.

To gain insight into these changes, comparative analysis with trends in clouds, albedo, and the Arctic Oscillation is also presented.

Also, if you want to compare the percent change in albedo of 0.134 (too high, but assume it correct for the moment) with a 1 % reduction, the latter would be 1 % of about 100 W / m ^ 2, not 1 % of 340 W / m ^ 2, and would yield a value of about 1 W / m ^ 2.

AGW climate scientists seem to ignore that while the earth's surface may be warming, our atmosphere above 10,000 ft. above MSL is a refrigerator that can take water vapor scavenged from the vast oceans on earth (which are also a formidable heat sink), lift it to cold zones in the atmosphere by convective physical processes, chill it (removing vast amounts of heat from the atmosphere) or freeze it, (removing even more vast amounts of heat from the atmosphere) drop it on land and oceans as rain, sleet or snow, moisturizing and cooling the soil, cooling the oceans and building polar ice caps and even more importantly, increasing the albedo of the earth, with a critical negative feedback determining how much of the sun's energy is reflected back into space, changing the moment of inertia of the earth by removing water mass from equatorial latitudes and transporting this water vapor mass to the poles, reducing the earth's spin axis moment of inertia and speeding up its spin rate, etc..

Dr Curry, When considering changes in albedo due to melting, pools, etc, is there also consideration that the Sun is very low in the sky and much of the incoming Solar is reflected off water as glare?

The natural variability affects also the albedo through changes in clouds.

Also interesting that they don't understand that water vapour feedback, no matter what it's magnitude, applies equally to anything that causes a change in radiative forcing for the planet — more GH gases, Albedo change, any GCR induced changes in clouds.

«his refusal to calculate a total year energy balance» - At this stage, no such calculation can be made, because I have calculated in detail only the changes in the incoming energy (the insolation) as a function of time - of - year and latitude; I have estimated also the effect upon the insolation absorption through a change in the Arctic albedo.

There are, however, also slow feedbacks like the change in surface albedo from the reduction of snow cover that contribute to TCS / ECS.

The remaining slow drift to lower GMT and pCO2 over glacial time, punctuated by higher - frequency variability and the dust − climate feedbacks, may reflect the consequences of the growth of continental ice sheets via albedo increases (also from vegetation changes) and increased CO2 dissolution in the ocean from cooling.

Interestingly the whole scenario is a mirror image of the way the oceans and the water cycle also amplify changes to global albedo in response to small changes in the level of solar activity.

Based on the understanding of both the physical processes that control key climate feedbacks (see Section 8.6.3), and also the origin of inter-model differences in the simulation of feedbacks (see Section 8.6.2), the following climate characteristics appear to be particularly important: (i) for the water vapour and lapse rate feedbacks, the response of upper - tropospheric RH and lapse rate to interannual or decadal changes in climate; (ii) for cloud feedbacks, the response of boundary - layer clouds and anvil clouds to a change in surface or atmospheric conditions and the change in cloud radiative properties associated with a change in extratropical synoptic weather systems; (iii) for snow albedo feedbacks, the relationship between surface air temperature and snow melt over northern land areas during spring and (iv) for sea ice feedbacks, the simulation of sea ice thickness.

Read more: Stanford University Aerosols Also Implicated in Glacier Melting, Changing Weather Patterns Other research examining the effects of soot on melting glaciers and changing weather pattens in South Asia has reached similar conclusions: Beyond increasing atmospheric warming, because the soot coats the surface of the snow and ice it changes the albedo of the surface, allowing it to absorb more sunlight and thereby accelerating Changing Weather Patterns Other research examining the effects of soot on melting glaciers and changing weather pattens in South Asia has reached similar conclusions: Beyond increasing atmospheric warming, because the soot coats the surface of the snow and ice it changes the albedo of the surface, allowing it to absorb more sunlight and thereby accelerating changing weather pattens in South Asia has reached similar conclusions: Beyond increasing atmospheric warming, because the soot coats the surface of the snow and ice it changes the albedo of the surface, allowing it to absorb more sunlight and thereby accelerating melting.