Sentences with phrase «aerosols from»

Oddly enough, Canavan goes on to cite some (presumably publicly funded) research on aerosols from the Max Planck Institute which he thinks supports his arguments.
Many of the modelling studies performed since the TAR have investigated the RF of organic carbon aerosols from both fossil fuel and biomass burning aerosols, and the combined RF of both components.
This is because planes emit mono - nitrogen oxides into the upper troposphere, form contrails, and seed cirrus clouds with aerosols from fuel combustion.
OK, it finally sunk into my thick head, the large drops are aerosols from the eruptions and the rises are from the atmosphere clearing.
The circled region on the right is among those researchers have identified as sooty aerosols from wildfires.
Poking around with Scholar, I found mention of «hydrophobic soot particles from residential coal and industrial oil burning» and also mention of radar being used that distinguishes aerosols from water vapor and clouds.
Sulfate aerosols from coal burning lead to acid rain.
Climate models aren't omniscient, so once you allow for changes in the solar cycle, natural variability and light - scattering aerosols from volcanic eruptions, the match is quite remarkable.
In terms of sulphate aerosols, both the direct radiative effects and the indirect effects on clouds were acknowledged, but the importance of carbonaceous aerosols from fossil fuel and biomass combustion was not recognised (Chapters 2, 7 and 10).
Aerosols from human activity are shown to be increasing swiftly.
Mishchenko, M.I., B. Cairns, J. Chowdhary, I.V. Geogdzhayev, L. Liu, and L.D. Travis, 2005: Remote sensing of terrestrial tropospheric aerosols from aircraft and satellites.
As stated earlier, I agree with the point that tropospheric aerosols from fossil fuels are incredibly bad for human health and other environmental impacts (black carbon soot, acid rain, radioactive emissions, mercury poisoning), putting us in a situation of damned if we do, damned if we don't.
Such forcings include greenhouse gases, volcanoes, solar activity and air pollution — for example, aerosols from coal burning, smog and volatile organics.
The injection of stratospheric aerosols from the eruption of Mt. Pinatubo was noted as the first modern test of a known radiative forcing, and indeed one climate model accurately predicted the temperature response (Hansen et al., 1992).
Myhre, G., N. Bellouin, T.F. Berglen, T.K. Berntsen, O. Boucher, A. Grini, I.S.A. Isaksen, M. Johnsrud, M.I. Mishchenko, F. Stordal, and D. Tanre, 2007: Comparison of the radiative properties and direct radiative effect of aerosols from a global aerosol model and remote sensing data over ocean.
The cooling and leveling off of average global temperatures during the 1950's and 1960's is attributed primarily to aerosols from fossil fuels and other sources, when the greenhouse warming was overwhelmed by aerosol cooling.
Koch, D., T.C. Bond, D. Streets, N. Unger, and G. van der Werf, 2007: Global impacts of aerosols from particular source regions and sectors.
A bit of digression, but can atmospheric warming have «stalled» because of the enormous emission of reflective aerosols from coal burning in China and India in the last decade or so?p class =» response» > [Response: In principle yes, but the evidence that more heat has gone into the ocean is very strong.
Backing that up, NASA says that 1) sea surface temperature fluctuations (El Niño - La Niña) can cause global temperature deviation of about 0.2 °C; 2) solar maximums and minimums produce variations of only 0.1 °C, warmer or cooler; 3) aerosols from natural sources such as volcanic eruptions (Mount Pinatubo for example) have caused average cooling of 0.3 °C, but recent eruptions have had not had significant effect.
Model calculations suggest that almost half of the global cloud condensation nuclei in the atmospheric boundary layer may originate from the nucleation of aerosols from trace condensable vapours4, although the sensitivity of the number of cloud condensation nuclei to changes of nucleation rate may be small5, 6.
Global impacts of aerosols from particular source regions and sectors.
Sulfate aerosols from burning coal can make clouds grow bigger and rainstorms stronger.
In the decades that followed, scientists continued to puzzle over exactly how aerosols from tailpipes and smokestacks alter the weather, in part because the particles are incredibly difficult to study.
Brenty - The increased level of atmospheric sulfate aerosols from tropical volcanoes over the last decade, blocked sunlight reaching the Earth's surface, which has contributed to a very slight reduction in warming.
Other factors that could adversely impact the correlation between the sun and temperature include time lags in the transposition of a climate impulse, or cooling events through sun - blocking aerosols from large volcanic eruptions.
how aerosols from long - range transport and local sources influence cloud and precipitation in the U.S. West Coast, where ARs make landfall and post-frontal clouds are frequent.
The AMF2 was deployed on a research vessel offshore and provided critical measurements to quantify the moisture budget and cloud and precipitation processes associated with ARs and to characterize aerosols and aerosol - cloud - precipitation interactions associated with aerosols from long - range transport in the Pacific Ocean.
That is far higher than aerosols from vehicles, power plants and fires usually reach.
If we account for the cooling effect of sulphur aerosols from industrial pollution, greenhouse gases have already contributed 2 ℃ of global warming.
If aerosols from volcanic eruption sometimes dim the stratosphere, when they do circulate back out then we are left with dimmer surface albedo.
Researchers have blamed this short - lived cooling, more pronounced in the Northern Hemisphere, on a build - up of sunlight - blocking sulphate aerosols from fossil fuels, which began to clear in the 1970s as pollution controls took hold.
In this case the computed forcings incorporate the effects of other aerosol types which have a similar spatial distribution to sulphate aerosols, such as nitrate aerosols or carbonaceous aerosols from fossil fuel combustion.
Aerosols from such episodic volcanic events exert a transitory negative RF; however, there is limited knowledge of the RF associated with eruptions prior to Mt. Pinatubo.
Tiny aerosols from spray deodorants?
«Residual analysis does not provide any evidence for a substantial cooling effect due to sulfate aerosols from 1940 to 1970... sulfate aerosols produced by volcanoes or industrial emissions no doubt have a cooling effect»
A) a better temperature record (C&W or berkeley) both of which will increase the numerator (that thing on the top) B) a better OHC record (see the recent paper on sea level which will effect their estimates of OHC (the denominator thing) C) revised forcing due to aerosols from small volcanos.
Natural variations in aerosols from volcanoes should average out over time.
I am guessing that this would include increases in other associated GHGs (+ ve feedback) and increases in aerosols from fuel burning -LRB-- ve feedback).
Journal of the Atmospheric Sciences, 32, pp. 2060 — 2066; four years before the same Schneider (Science, 1971 vol 173, pp. 138 - 141) was forecasting the imminent glaciation due to the aerosols from the guilty human industry
During the 1950s and 1960s, average global temperatures levelled off, as increases in aerosols from fossil fuels and other sources cooled the planet.
Estimating the actual optical properties of the ejecta is important, as is the background level of aerosols from other sources (e.g. industrial).
``... aerosols from fossil fuels and other sources cooled the planet.
I'm only saying this to note I know the anthropogenic aerosols from this period can't be directly compared to the emission rate per fossil fuel input as later in the 20th century.
1) What is missing from your argument above is stratospheric aerosols from volcanoes (B in the graph below):
A five - year investigation, ORACLES is examining the impact aerosols from biomass burning in southern Africa has on climate as it mixes with clouds over the southeast Atlantic Ocean.
Aerosols from volcanic eruptions do have a cooling effect once they reach the stratosphere but the effect of high wind speed in the upper atmosphere would rapidly disperse these, and any local effects would be very slight.
I'm still struggling to see why a permament cloud of aerosols from a nearby volcano is unable to measurably cool the surface but much less powerful chimney stacks are able to cool sorrounding regions to the extent that this cancels GHG warming.globally.
They're still using regression analysis to remove TSI, ENSO & volcanic aerosols from the instrument temperature record for attribution.
Aerosols from unfiltered coal - burning Chinese power plant smokestacks seems to be a smashingly good technology to battle global warming.
Aerosols from power and industry sources contain significant sulfate, a scattering aerosol.
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