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aerosols, Tag
- Models In Turmoil: Underestimation Of Satellite-Based Cloud-Aerosol Interaction “Hampering Climate Change Projections” Fri, 18 Jun 21, 11:00amBy acting as cloud condensation nuclei (CCN), aerosols act as cloud condensation nuclei and thus can alter cloud properties and precipitation. This influences the Earth’s radiation budget and hence climate change. This...
- Aerosol formation in clouds Fri, 26 Mar 21, 8:00pm"Our experimental setup allows us for the first time to precisely investigate the distribution of organic vapours at the air-water interface under near-environmental conditions," says Houssni Lamkaddam, a researcher in the...
- Bill Gates launches giant chalk advertising campaign to “block sun” Thu, 25 Mar 21, 5:01amThe purpose of the hot air balloon adding two whole kilograms of chalk to the atmosphere is a glorious multipurpose marketing exercise. It might as well be a skywriting advert.
- COVID-19 lockdowns temporarily raised global temperatures Wed, 3 Feb 21, 9:00pmThe lockdowns and reduced societal activity related to the COVID-19 pandemic affected emissions of pollutants in ways that slightly warmed the planet for several months last year, according to new research led by the National...
- UW Researchers Find Wildfire Smoke is More Cooling on Climate Than Computer Models Assume Wed, 13 Jan 21, 1:00pmA study of biomass burning aerosols led by University of Wyoming researchers revealed that smoke from wildfires has more of a cooling effect on the atmosphere than computer models assume.
- The natural ‘Himalayan aerosol factory’ can affect climate Fri, 11 Dec 20, 5:00am"To understand how the climate has changed over the last century we need to know as reliably as possible the natural atmospheric conditions before the industrialization," says Associate Professor Federico Bianchi from the...
- 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...