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Category Archives: Aerosols
Pollution enhanced thunderstorms warm the planet?
From the DOE/Pacific Northwest National Laboratory, a new paper in GRL saying something that doesn’t make much sense to me. As shown in the diagram above, thunderstorms transport heat from the lower troposphere upwards. The heat source at the base … Continue reading
Carbon soot may be driving the expansion of the tropics – not CO2
From the University of California – Riverside it seems that black carbon soot is driving tropical expansion. How could this be? I thought CO2 was all powerful, so powerful with the strength of 400,000 Hiroshima bombs each day that animals … Continue reading
Tracking the ash from the ‘unpronounceable’ volcano
From the FECYT – Spanish Foundation for Science and Technology Scientists ‘read’ the ash from the Icelandic volcano 2 years after its eruption In May 2010, the ash cloud from the Icelandic volcano Eyjafjallajökull reached the Iberian Peninsula and brought … Continue reading
Posted in Aerosols, Vulcanism
Tagged AERONET, Central Europe, Eyjafjallajökull, Iberian Peninsula, Iceland, LIDAR, NASA, Norwegian Institute for Air Research
43 Comments
Drats! Down the warmhole the warming went
From the Harvard School of Engineering and Applied Sciences “Warming hole” delayed climate change over eastern United States April 26, 2012 50-year model suggests regional pollution obscured a global trend CONTACT: Caroline Perry, (617) 496-1351 Cambridge, Mass. – April 26, … Continue reading
Trigger for Little Ice Age – a half century of volcanism?
Dr. Roger Pielke Sr. writes on his blog today: Every once in a while. a nugget of new research insight appears that adds to our understanding of the climate system, and its complexity. One article of this type has appeared. … Continue reading
Posted in Aerosols, Paleoclimatology, Vulcanism
Tagged Geophysical Research Letters, LIA, Little Ice Age
99 Comments
Pat Michaels – on the death of credibility in the journal Nature
Atmospheric Aerosols and the Death of Nature Guest post by Dr. Patrick Michaels Big news last week was that new findings published in Nature magazine showed that human emissions of aerosols (primarily from fossil fuel use) have been largely responsible … Continue reading
Spencer’s posited 1-2% cloud cover variation found
In a nutshell, with a −1.6%per decade change in cloud cover during 1954–2005, it becomes a climate forcing. While China is not the world, it bears consideration. The Hockey Schtick reports: New paper finds significant, natural decrease in cloudiness over … Continue reading
Posted in Aerosols, Climate sensitivity, clouds, Cosmic rays
Tagged Aerosol, Atmospheric physics, China, Chinese Academy of Sciences, Cloud cover, Earth, Henrik Svensmark, Roy Spencer
90 Comments
Ramanathan and Almost-Black Carbon
Guest Post by Willis Eschenbach My thanks to Nick Stokes and Joel Shore. In the comments to my post on the effects of atmospheric black carbon, Extremely Black Carbon, they brought up and we discussed the results of Ramanathan et … Continue reading
Dust deposition linked to glacier melt
From the University of Miami Rosenstiel School of Marine & Atmospheric Science and the Department of “The Albedo made me do it” comes further proof of what we have been saying before on WUWT about albedo effects of soot and … Continue reading
Polar bears and sulfates
From the University of Washington some apparent confusion about what sulfates look like. Injecting sulfate particles into stratosphere won’t fully offset climate change IMAGE:A polar bear walks along an expanse of open water at the edge of Hudson Bay near … Continue reading
The Ridiculousness Continues – Climate Complexity Compiled
By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments on this thread and several others documented within, I’ve been compiling a summary of all potential climatic variables in order to build a conceptual … Continue reading
Posted in Aerosols, AMO, Antarctic, Arctic, Climate data, clouds, Cosmic rays, dust storms, Earth, Earthquakes, Energy, ENSO, feedbacks, geothermal energy, Gravity, hurricanes, Methane, Oceans, PDO, petroleum, Science, Sea ice, Snow, Solar, solar power, thorium power, tornadoes, wind power
Tagged climate, Compiled, Complex, conceptual map, Earth, Earth's Climate System, Ridiculous, Ridiculously Complex, Ridiculousness, System, Variables
266 Comments
The “cool” particle
Two press release on this this week, both below From the University of Manchester Researchers discover particle which could ‘cool the planet’ In a breakthrough paper published in Science, researchers from The University of Manchester, The University of Bristol and … Continue reading
Study: Getting the S out of jet fuel may cool the climate
This study from Yale University seems contradictory to what we know about aerosols. Generally more aerosols like SO2 cool the climate, but in this case they are saying “it’s offset by the cooling effect of nitrate that forms from nitrogen … Continue reading
Linked: aerosol pollutants and rainfall patterns
From the University of Maryland Rising air pollution worsens drought, flooding, UMD-led study shows COLLEGE PARK, Md. – Increases in air pollution and other particulate matter in the atmosphere can strongly affect cloud development in ways that reduce precipitation in … Continue reading
Climate scientists and their excuses
Candid Comments From Climate Scientists By Dr. Roger Pielke Sr. There is a news release by Paul Voosen on Greenwire titled Provoked scientists try to explain lag in global warming (Tuesday, October 25, 2011) There are some interesting quotes from climate scientists … Continue reading
Dust up in climate modeling
From the Georgia Institute of Technology Research News Insoluble dust particles can form cloud droplets affecting global and regional climates Cloud formation New information on the role of insoluble dust particles in forming cloud droplets could improve the accuracy of … Continue reading
The weekday -vs- weekend weather effect
Hailstorms and tornadoes are more common during the weekday due to human created aerosols. By Dr. Roger Pielke Sr. New Paper “Why Do Tornados And Hail Storms Rest On Weekends” By Rosenfeld and Bell 2011 There is a new paper which … Continue reading
Posted in Aerosols, modification, thunderstorms, tornadoes, Weather
Tagged Aerosol, Thunderstorm
62 Comments
Pat Michaels on aerosols, China coal, and lack of recent warming
The Current Wisdom: The Lack of Recent Warming and the State of Peer Review by Patrick J. Michaels Boston University’s Robert Kaufmann and colleagues recently published a paper in the Proceedings of the National Academy of Sciences examining the causes … Continue reading
Aerosol sat observations and climate models differ “by a factor of three to six”
From the University of Michigan something I think Dr. Roy Spencer will be interested in as it is yet another case where models and satellite observations differ significantly. See the figure S1 at the end of this article – Anthony … Continue reading
Prey and predator model of clouds
From the Weizmann Institute of Science – Eat, Prey, Rain Photo: Tamar Deutsch What do a herd of gazelles and a fluffy mass of clouds have in common? A mathematical formula that describes the population dynamics of such prey animals … Continue reading
