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Introduction to Climate and Environmental Physics HS 2014 Lecture IV Christoph Raible, Markus Leuenberger, Fortunat Joos and Thomas Stocker
Definition Aerosol is a colloid or mixture of fine solid particles and/or liquid droplets in a carrier gas. The particles/ droplets have diameters of μm to >100 μm.
Annual fluxes of the most important aerosol sources. From Seinfeld and Pandis (2006)2006
Global source distribution Stier et al. (2005)
Dependence of various scattering processes on the diameter of the particle that leads to scattering and the wavelength of the incident light
«Dimming and Brightening»
Wild et al. (2005)
«Dimming and Brightening» Wild et al. (2005)
«Dimming and Brightening» Wild et al. (2007)
Production of sea salt aerosol by bubble bursting (left) and of mineral dust aerosol by saltation (right).
Oxidation of SO 2 with OH to sulfuric acid
Idealized volume size distribution of an aged particle.
Balance of gravity and Stoke’s force for a sphere falling through a medium
Conceptual view of the aerosol depletion in an air column away from its source by dry deposition wet deposition
Schematic of various processes leading to extinction and scattering of incoming shortwave radiation
Elemental composition of different rocks, soil, shale and continental aerosol (Warneck, 1987)Warneck, 1987
Chemical composition of sea water. From Seinfeld and Pandis (2006).2006
AEROSOLPROZESSE 1. Sichtbare Bedeutung von Aerosolkonzentrationen 2 PM2.5 levels of 5 μg/m3 (left) and 35 μg/m3 (right)"The average annual PM2.5 density.
George Kallos With contribution from S. Solomos, I. Kushta, M. Astitha, C. Spyrou, I. Pytharoulis Key Processes in Regional Atmospheric.
Notes: What is Matter?. Matter– any substance that has _________ and __________.
SIVA 1 Introduction to Soil Mechanics Geotechnical Engineering-II Dr. Attaullah Shah ground.
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Earths Atmosphere Energy Transfer in the Atmosphere Air Movement.
Copyright © 2012 Pearson Education, Inc. Chapter 7 Earth and the Terrestrial Worlds Insert ECP6 Chapter 7 Opener.
Clouds and radiation in a LSM L=50km. Veldhoven, Stratocumulus cloud albedo: example cloud layer depth = 400 m effective cloud droplet.
Weathering and Soil Test Review. Question 1 True or False: After chemical weathering, the chemical make up of the rock is the same. False.
Composition Nitrogen: 78.1% Oxygen: 20.9% Other Gases: Argon : 0.9% CO 2 : ~370 ppm: Green House Gas Methane: Green House Gas Ozone: blocks UV radiation.
Todays Objective: BIO.3a Given information concerning the nature, composition, interactions, and chemical reactions of atoms, demonstrate an understanding.
What is a rock?. A rock is a naturally occurring solid mixture of one or more minerals or organic matter.
An Environmental Balance Chp 2-4. Earth’s Physical Geography Atmosphere- blanket of air surrounding the earth Lithosphere- earth’s land areas Hydrosphere-
Chapter #10. The process of liquid water changing to a gas is called a.Freezing b.Precipitation c.Melting d.Vaporization.
Chemistry of Life. Matter Anything that has mass and takes up space. 3 types of matter: a). Solid b). Liquid c). Gas.
AREP GAW Section 9 Pollutant Lifecycles and Trends Definitions and Importance Multi-year (Long-term) Trends Seasonal Trends Short-term Changes.
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ENV 510 Air Pollution and Risk Assessment By K.Subramaniam, PJK MSc(Envt); BSc(Hons)(Envt&Occ.Health); Dip.RSH(London).
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1 Air Pollutants and Global Climate Hsin Chu Professor Dept. of Environmental Engineering National Cheng Kung University.
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