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aerosols, Tag
- Does Universal Mask Wearing Decrease or Increase the Spread of COVID-19? Sun, 26 Jul 20, 11:00amA survey of peer-reviewed studies shows that universal mask wearing (as opposed to wearing masks in specific settings) does not decrease the transmission of respiratory viruses from people wearing masks to people who are...
- Massive Saharan dust plume headed for the Gulf of Mexico, Florida Fri, 19 Jun 20, 2:00amFrom WeatherBell Analytics: A mean looking dust plume will meander across the Atlantic during the next 10 days. It will help to keep a damper on any early-season tropical formation in the main development region. It isn’t...
- On 99 year anniversary of huge disruptive solar storm, we are about to enter the deepest period of solar “recession” ever recorded Sat, 16 May 20, 3:59amBy Dr. Tony Phillips 99 years ago this week, people around the world woke up to some unusual headlines. “Telegraph Service Prostrated, Comet Not to Blame” — declared the Los Angeles Times on May 15, 1921. “Electrical...
- Ships’ emissions create measurable regional change in clouds Wed, 25 Mar 20, 8:00amA container ship leaves a trail of white clouds in its wake that can linger in the air for hours. This puffy line is not just exhaust from the engine, but a change in the clouds that’s caused by small airborne particles...
- Australia Bushfire Smoke Now Warming the Lower Stratosphere? Thu, 5 Mar 20, 9:00pmFrom Dr. Roy Spencer’s Blog March 4th, 2020 by Roy W. Spencer, Ph. D. Fig. 1. Bushfire smoke flowing eastward from SE Australia on January 4, 2020 as seen from the International Space Station (NASA). John Christy pointed...
- Jet contrails will likely affect climate by 2050 Fri, 28 Jun 19, 3:00pmClimate impact of clouds made from airplane contrails may triple by 2050 From the EUROPEAN GEOSCIENCES UNION In the right conditions, airplane contrails can linger in the sky as contrail cirrus – ice clouds that can...
- Cooling effect of preindustrial fires on climate underestimated Thu, 13 Dec 18, 5:00pmFrom Cornell Chronicle By David Nutt | October 1, 2018 Atkinson Center for a Sustainable Future This graphic shows the decline of black carbon emissions from fire activity from 1700 to the present, contrasted with the...
- Study: dust guided by meandering jet stream has big impact on Arctic melt Thu, 11 Oct 18, 7:47amPolar jet circulation changes bring Sahara dust to Arctic, increasing temperatures, melting ice Summary points A new atmospheric mechanism by which dust travels from the Sahara Desert across the eastern side of the North...
- Increasing aerosols may have induced cooling in China Thu, 19 Jul 18, 1:13amDavid L. Hagen writes about a new study: Increasing aerosols, decreasing insolation, decreasing temperature, and decreasing precipitable water over 18 years in China. “Evaluation of Atmospheric Precipitable Water...
- Climate scientist: air pollution cleanup may be major driver of global warming Sat, 26 May 18, 12:45amObservations during lunar eclipses show how Earth’s atmosphere has cleared, letting in more sunlight Strange but true: You can learn a lot about Earth’s climate by watching a lunar eclipse...
- Claim: Your wood stove affects the climate more than you might think Tue, 3 Apr 18, 9:59pmFrom the NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY and the “wood stove police will soon come knocking” department comes this claim: Your wood stove affects the climate more than you might think Black carbon...
- NASA finds something else climate models are missing…. forcing from ‘Secondary Organic Aerosols’ Wed, 28 Mar 18, 8:02amA new paper published by NASA by Tsigaridis and Kanakidou suggests that climate models have missed the forcing effects of organic aerosols, such as VOC’s from trees, oceans, and other sources that combine chemically...
- Claim: Scientists accurately model the action of aerosols on clouds Fri, 9 Mar 18, 5:56amFrom the “models aren’t the same as reality unless you have a bigger computer” department. Global climate is a tremendously complex phenomenon, and researchers are making painstaking progress, year by year,...
- Study: Interactions between smoke and clouds have unexpected cooling effect Wed, 7 Mar 18, 3:13amAtomspheric physicists have found that the way wildfire smoke from Africa interacts with clouds over the Atlantic Ocean results in a net cooling effect, which is contrary to previous understanding and has implications for...
- Study: A barrage of viruses and bacteria is falling from the sky Wed, 7 Feb 18, 1:34pmNew research may explain why genetically identical viruses are often found in very different environments around the globe. An astonishing number of viruses are circulating around the Earth’s atmosphere – and...