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Category Archives: Aerosols
Do cuts in particle pollution accelerate climate change?
By: Richard Allan Glorious weather over much of the UK in April 2020 replaced the seemingly relentless winter rain, sodden ground and flooding, making the lockdown bearable for those lucky enough to be able to enjoy time outside. I was … Continue reading
Posted in Aerosols, Air quality, Climate, Climate change
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Desert Dust in the Atmosphere: Giant Particles, Giant Consequences?
By: Claire Ryder As I write, storm Gloria decays over the Mediterranean Sea, while large amounts of desert dust whipped up by strong winds over the Sahara desert have been whirled in to action by Gloria and remain in the … Continue reading
Posted in Aerosols, Climate, Climate modelling
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The latest on aerosol radiative forcing
By: Nicolas Bellouin Aerosols are tiny liquid or solid particles suspended in the Earth’s atmosphere. Some aerosols form naturally, like the sea spray emitted by breaking waves, the mineral dust that form sandstorms, or smoke from wildfires. But human activities, … Continue reading
Posted in Aerosols, Climate, Climate modelling
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Why was there decadal increase in summer heat waves over China across the mid-1990s?
By: Buwen Dong Heat waves (HWs), commonly defined as prolonged periods of excessive hot weather, are a distinctive type of high-temperature extreme (Perkins 2015). These high-temperature extremes can lead to severe damage to human society and ecosystems. In our studies, … Continue reading
Posted in Aerosols, China, Climate, Climate change, Climate modelling
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How climate modelling can help us better understand the historical temperature evolution
By: Andrea Dittus Figure 1: Annual global mean surface temperatures from NASA GISTemp, NOAA GlobalTemp, Hadley/UEA HadCRUT4, Berkeley Earth, Cowtan and Way, Copernicus/ECMWF and Carbon Brief’s raw temperature record. Anomalies plotted with respect to a 1981-2010 baseline. Figure and caption from Carbon Brief (https://www.carbonbrief.org/state-of-the-climate-how-world-warmed-2018). Earth’s climate has warmed … Continue reading
Posted in Aerosols, Climate, Climate change, Climate modelling
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Why was the sky Orange?
By William Davies I was sitting in my house one morning in October 2017, engrossed in what I was doing. Gradually I noticed that an eerie darkness was smothering the natural light in the room. I stopped and looked outside. … Continue reading
Characteristics of cumulus population and microphysical properties observed over Southeast Atlantic
By Yann Blanchard Figure 1. Cumulus in the vicinity of Ascension Island, in a 100 x 100km image (which is close to global climate model spatial resolution) from MODIS onboard AQUA (22 July 2016) Shallow cumulus cover large areas in … Continue reading
What’s the secret of coarse dust?
By Claire Ryder Mineral dust aerosol particles are regularly lifted into the atmosphere in arid regions, such as deserts, and transported over thousands of kilometres by the wind, such as from the Sahara desert to the Caribbean Sea, as shown … Continue reading
Hidden in the clouds
By Nicolas Bellouin Our atmosphere contains varying amounts of tiny liquid or solid particles called aerosols. Some aerosols have a natural origin, like the mineral dust particles that form sandstorms, or the sea spray emitted by breaking waves. Other aerosols … Continue reading
Skirting the Issue
By Geoff Wadge During a major explosive volcanic eruption a set of three main processes transfers mass and heat from the solid earth to the atmosphere. These three processes are: a gas thrust (jet) extending up from the volcanic vent, … Continue reading
Posted in Aerosols, Environmental hazards, Environmental physics, Volcanoes
Tagged skirt cloud
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