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UCLA | AS 2
Professors
- Jeffrey K. Lew
25 sample documents related to AS 2
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UCLA AS 2
Atmospheric Evolution Primordial Atmosphere Secondary Atmosphere Evolution of Life vs. the Atmos. ! Pre-Photosynthetic Microbial Life ! Oxygenation of the Atmosphere Atmospheric Catastrophes 1 Primordial Atmosphere Condensation of the Interstellar Medi -
UCLA AS 2
Box Model Introduction Steady-state Box Model Formula Application to Pollution Control 1 Box Model, Reservoir Model, Budget Model A defined system receives something (input or source) and simultaneously has this stuff removed (output or sink). Steady-sta -
UCLA AS 2
Aerosols Size distributions Sources and composition Growth processes Health effects Remediation (removal processes) 1 Size Distributions Diam., m No./cm3 Mass concen., g/cm3 Gas molecules Aerosol particles Small Medium Large Hydrometeors Fog droplets Clo -
UCLA AS 2
Indoor Air Pollution Indoor Air Pollution Trends Sources Personal-Tobacco Smoke Building Materials-Formaldehyde Infiltration Outdoor Smog Radon Gas Mold Abatement 1 Trends Concentrations increased during 1980s Energy-efficient homes leak in less fr -
UCLA AS 2
Global Climate Change Radiative Equilibrium, Solar and Earth Radiation Atmospheric Greenhouse Effect Greenhouse Gases Global Climate Change Predictions: Temperature, Sea Level Feedback Effects Alternative Causes Historical Climate Trends Remediation: G -
UCLA AS 2
NAME _ ID number _ Discussion section day and time _ LabAssignment #3: Pollution Dispersion 1 Due Thursday, February 12, 2009 A & O Sciences 2L Winter 2009 In this lab, we will test the stability of a simulated atmospheric environment by pushing -
UCLA AS 2
Air Pollution Dispersion Dispersion Processes Convective Dispersion ! Air Parcel Dynamics ! Adiabatic Process ! Lapse Rate ! Equilibrium and Stability ! Atmospheric Stability ! Stability and Dispersion Dispersion Processes Defn.: A substance mixes -
UCLA AS 2
Photochemical Smog L.A. vs. London Smog Smog Photochemistry !Definitions !Null Cycle !Role of Volatile Organic Compounds London vs. LA. Smog Coal smoke + fog Photochemical 1943: from factories? Arie HaagenSmit (c. 1951): from automobile exhaust! -
UCLA AS 2
Air Quality and Regulation Definitions Urban Air Quality Assessment !Health Effects from Smog !Air Quality Standards and Alerts Health Effects of CO % COHb (in blood) 1.5 10 ppmv CO exposure for 8 hours 2 5 10 Impaired ability to estimate time int -
UCLA AS 2
Indoor Air Pollution Indoor Air Pollution Trends Sources ! Personal-Tobacco Smoke ! Building Materials-Formaldehyde ! Infiltration Outdoor Smog Radon Gas Tobacco Smoke From combustion of tobacco products in: ! Cigarettes ! Cigars ! Pipes ! Mol -
UCLA AS 2
Toxicity Assessment Risk Assessment Issues Dose ! Concentration vs. Exposure Time ! Chronic vs. Acute Exposures ! Dose-Response Curves Dose Dosage: combination of ambient concentration and exposure time High concentration, short exposure time Low -
UCLA AS 2
Stratospheric Ozone Layer Distribution and Measurement Health Effects ! UV-A, B, C and Atmospheric Absorption ! Skin Cancer and Cataracts Ozone Measurements Ozone varies with altitude and latitude z Typical [O3]: Approx. 300 DU Chemical Process -
UCLA AS 2
Introduction and Definitions Definitions ! Air \"Pollution\" ! Sources, Sinks, Sizes ! Chemical Terms What is Air Pollution? A contamination of the atmospheric environment ! Addition of a foreign substance ! A change of the normal concentration of g -
UCLA AS 2
Atmospheric & Oceanic Sciences 2 Winter 2009 Due no later than Thursday, March 12, 2009 Lab Assignment #1: Air Pollution News Articles Submit four (4) news articles about air pollution from current news sources, such as newspapers and weekly magazi -
UCLA AS 2
Name _ ID no. _ Day and time of discussion section _ [not the section letter] Atmospheric spell out all terms and names of substances. Make su -
UCLA AS 2
Box Model Introduction Steady-state Box Model Formula Application to Pollution Control Source rate = Sink rate 1 3 Box Model, Reservoir Model, Budget Model A defined system receives something (input or source) and simultaneously has this stuff -
UCLA AS 2
Stratospheric Ozone Layer Distribution and Measurement Health Effects UV-A, B, C and Atmospheric Absorption Skin Cancer and Cataracts Chemical Processes Chapman Cycle Chain Catalytic Destruction CFCs Ozone Hole Loss Predictions and Mitiga -
UCLA AS 2
Air Pollution Dispersion Dispersion Processes Convective Dispersion Air Parcel Dynamics Adiabatic Process Lapse Rate Equilibrium and Stability Atmospheric Stability Stability and Dispersion 1 Temperature Inversions Stability Formation/Ty -
UCLA AS 2
Photochemical Smog L.A. vs. London Smog Smog Photochemistry Definitions Null Cycle Role of Volatile Organic Compounds Variations of Smog Concentrations Daily Variations and Meteorology Seasonal Variations and Meteorology 1 Smog in L.A. The Sou -
UCLA AS 2
Air Quality and Regulation Definitions Urban Air Quality Assessment !Health Effects from Smog !Air Quality Standards and Alerts Air Quality Regulation in the SCAB !Regulating Agencies !Air Quality Management Plan (AQMP) !Environmental Justice 1 -
UCLA AS 2
Chemistry, Sun, Earth More Definitions Chemistry ! Reactions ! Lifetime Sun and Earth ! Origins ! Blackbody Radiation Emission 1 Just a Few More Def\'ns. Compound-a molecule containing more than one element Reaction-transformation of substance -
UCLA AS 2
Atmospheric Oceanic Sciences 2 Not all students are required to take AFoundations of Scie -
UCLA AS 2
The Earth\'s Atmosphere Atmospheric Structure Dimensions Vertical Temperature, Pressure, and Density Profile Atmospheric Composition Permanent Gases Variable Gases 1 Atmospheric Dimensions Horizontal scale: ~ 40,000 km Depth: ~ 100500 km 2 -
UCLA AS 2
Toxicity Assessment Risk Assessment Issues Dose Concentration vs. Exposure Time Chronic vs. Acute Exposures Dose-Response Curves Quantifying Health Effects Scientific Studies (Tox. and Epidem.) Physiological Effects on Humans 1 Toxicity Ri -
UCLA AS 2
Introduction and Definitions Definitions Air \"Pollution\" Sources, Sinks, Sizes Chemical Terms Brief History of Air Pollution Atmospheric Evolution Middle Ages Industrial Revolution 20th Century 1 What is Air Pollution? A contamination of
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