Sentences with phrase «complicating effects of aerosols»

Even without the complicating effects of aerosols, things aren't that simple on Earth.

Not exact matches

The net effect of human - generated aerosols is more complicated and regionally variable — for example, in contrast to the local warming effect of the Asian Brown Cloud, global shipping produces large amounts of cooling reflective sulphate aerosols: http://www.sciencedaily.com/releases/1999/08/990820022710.htm
The picture is complicated because different kinds of aerosols can have different effects: black carbon or soot has warming rather than a cooling effect, for instance.
@FerdiEgb — the effect of aerosols is thought to be more complicated than you imply.
However — a group of scientists of the US Department of Energy Pacific Northwest National Laboratory, the University of Maryland and the Hebrew University of Jerusalem now say that aerosol pollution does not necessarily lead to (low - lying) stratus clouds one would appreciate for climatic cooling, but that it can also be a factor in the creation of thunderstorm clouds, clouds that have a complicated climate effect, but that are suspected of being net warmers.
Karsten: So the take - home message would then be that 1) In the mid-century the NH cooled because of anthropogenic aerosols (especially the most polluted areas) 2) Now anthropogenic aerosols have a larger content of absorptive elements so directly observing this cooling in the most polluted areas is very complicated but we can nevertheless be sure that the global effect of these aerosols is markedly negative.
I know that aerosols are a complicated issue but frankly speaking, I think that the IPCC estimate for the direct effect of aerosols (+0.5 Wm2) is also too high.
Having said that, modelling aviation effects is complicated — involving ozone chemistry, strat / trop exchange, aerosols, CO2, contrails, water vapour etc. — all of which interact to some degree, and which have very different timescales.
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