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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 10 -3 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
Introduction to Climate and Environmental Physics HS 2014 Lecture II Christoph Raible, Markus Leuenberger, Fortunat Joos and Thomas Stocker.
Aerosols and climate Rob Wood, Atmospheric Sciences.
Introduction to Climate and Environmental Physics
VIII. Aerosols Size distribution Formation and Processing Composition Aerosol phase chemistry.
Particles in the Atmosphere CONTENTS 1. Introduction 2. Physical properties 3. Particle formation and growth 4. Chemical composition 5. Radiative properties.
Properties of Particulate Matter Physical, Chemical and Optical Properties Size Range of Particulate Matter Mass Distribution of PM vs. Size: PM10, PM2.5.
Aerosols By Elizabeth Dahl (2005) Edited by Ted Dibble (2008)
WEATHERING AND EROSION WEATHERING AND EROSION Questions: What is meant by weathering? How does weathering happen? What areas tend to have more weather.
Modeling BC Sources and Sinks - research plan Charles Q. Jia and Sunling Gong University of Toronto and Environment 1 st annual NETCARE workshop.
Aerosols. Atmospheric Aerosols Bibliography Seinfeld & Pandis, Atmospheric Chemistry and Physics, Chapt Finlayson-Pitts & Pitts, Chemistry of the.
Weathering, Soil, and Erosion
Pure Substances, Mixtures, and Solutions. Pure substance: matter that has a fixed (constant) composition and unique properties. Contains only 1 type element.
Vijay Natraj Ge152 February 9, 2007 Light Scattering.
Radiative Effects of Atmospheric Aerosols and Regional Haze Jin Xu DAS Science Talk February 17, 2004.
CE 401 Climate Change Science and Engineering aerosols, carbon cycle 27 January 2011.
CE 401 Climate Change Science and Engineering aerosols, carbon cycle 31 January 2012.
By : Kerwyn Texeira. Outline Definitions Introduction Model Description Model Evaluation The effect of dust nuclei on cloud coverage Conclusion Questions.
An Interactive Aerosol-Climate Model based on CAM/CCSM: Progress and challenging issues Chien Wang and Dongchul Kim (MIT) Annica Ekman (U. Stockholm) Mary.
A Dictionary of Aerosol Remote Sensing Terms Richard Kleidman SSAI/NASA Goddard Lorraine Remer UMBC / JCET Short.
GLOBAL SULFUR BUDGET [Chin et al., 1996] (flux terms in Tg S yr -1 ) Phytoplankton (CH 3 ) 2 S SO 2 1.3d DMS 1.0d OHNO 3 Volcanoes Combustion.
Modal Aerosol Treatment in CAM: Evaluation and Indirect Effect X. Liu, S. J. Ghan, R. Easter (PNNL) J.-F. Lamarque, P. Hess, N. Mahowald, F. Vitt, H. Morrison,
What is Matter?. Gas, Liquid and Solids are physically different Gases Particles are always in motion Expands to fill available space Gas exerts PRESSURE.
Aerosol Microphysics: Plans for GEOS-CHEM
Air Quality-Climate Interactions Aijun Xiu Carolina Environmental Program.
Generation of Sea-Salt Aerosols Magdalena Anguelova Bridging the Gap October , 1999.
WEATHERING AND EROSION. WEATHERING Weathering is a type of erosion. Weathering happens when rocks are exposed to… – Atmosphere – Hydrosphere – Living.
Department of Chemistry CHEM1020 General Chemistry *********************************************** Instructor: Dr. Hong Zhang Foster Hall, Room 221 Tel:
TEST Review CH 11 ATMOSPHERE p Earth Science Review Sheet 1 st day of Semester.
Lecture 1: Introduction to the Atmosphere (Chapter 1 in Ackerman&Knox, Chapter 1 in Hartmann) The Earth System –The Atmosphere is an extremely thin shell.
Anything that has mass and takes up space (volume)
Solar Radiation and Insolation Incoming solar radiation:
Acid Rain By:Fai9al Al-7enzab 7E. Introduction Today I am going to talk about acid rain and about what causes it plus its effect etc.. Acid rain is: A.
Pure Substances and Mixtures
Chapter 11 Heating the Atmosphere. Weather versus Climate Weather Atmospheric conditions over a short period of time Constantly changing Climate.
Some Impacts of Atmospheric Aerosols Direct and Indirect Effects on Climate directly scattering solar radiation altering number and size distribution of.
Field Methods of Monitoring Atmospheric Systems Measuring the Size Distribution of Particulate Matter Copyright © 2006 by DBS.
Fig 5.12 WHERE DO SEDIMENTS ORIGINATE? WEATHERING OF PRE-EXISTING ROCKS.
Weathering I. Definitions: the process by which rocks and minerals break down at or near the Earth’s surface Weathering: Produces soil, releases the minerals.
Weathering and Soil Formation
Mixtures and Compounds. Composition of Matter One way we classify matter is either pure substances or mixtures. Pure substances are either elements or.
Air Pollution By Ahmed Muztuba, 9-A. What is air pollution? Air pollution is a chemical, physical and biological agent which changes the natural characteristics.
UNIT 2 TEST: Substances SCIENCE 2 UNIT TEST. Direction: Write the exact word/s for your answer. 1. Anything that has mass and occupies space. 2. A pure.
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Chem. 250 – 10/7 Lecture Updated 10/30 Instructor: Roy Dixon My Website for Course:
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