earthplatform.com

Results 1 - 10 from 24 for photochemical smog in 0.549 sec.

Stratospheric Ozone Depletion tutorial
UV radiation in the lower atmosphere, called the troposphere, can result in increased amounts of photochemical smog. Photochemical smog is already a health hazard in many of the world's largest cities. The decrease ...
www.nas.nasa.gov

GAIA Model Base PBM: Photochemical Box Model
GAIA Model Base PBM: Photochemical Box Model PBM: Photochemical Box Model DESCRIPTION Its a simple numerical air quality model that simulates photochemical smog at an urban scale. It is best suited to treat low ... of Research and Development Research Triangle Park, NC 27711 REFERENCES "USER'S GUIDE FOR THE PHOTOCHEMICAL BOX MODEL (PBM)", K.L.Shere and K.L. Demerjian Back to models list © Copyright ...
www.ess.co.at

Terms Beginning With "O"
Oxidant: A collective term for some of the primary constituents of photochemical smog. Oxidation Pond: A man-made (anthropogenic) body of water in which waste is consumed by ... miles from the earth's surface), ozone is a chemical oxidant and major component of photochemical smog. It can seriously impair the respiratory system and is one of the most wide- spread ...
epa.gov

Faq
CFCs - they are non-flammable, they do not contribute to photochemical smog (lower atmosphere ozone pollution). With regards to their toxicological evaluation, international programmes ... are highly flammable and, when released, contribute to the lower atmosphere ozone pollution ('photochemical smog'). Ammonia is highly toxic and also flammable in some conditions; To resolve these ...
fluorocarbons.org

U.S. Global Change Research Information Office
Carbon fuels can also generate sulfurous smog when fossil fuels, ...
gcrio.org

The problem with paving - How overpaving results in more energy consumption and waste leading to a decline in our quality of life.
Automobile exhaust damages crops. One study estimated yield losses due to photochemical smog at 1.9 to 4.5 billion dollars per year for four important cash crops ...
culturechange.org

Energy Information Administration Voluntary of Greenhouse Gases Program - Glossary of Terms
In the troposphere, it is a chemical oxidant, a greenhouse gas, and major component of photochemical smog. Photosynthesis: The manufacture of carbohydrates and oxygen from carbon dioxide and water in the presence ...
www.eia.doe.gov

Ozone
Spores Natural Air Pollution Nitrogen Dioxide Outdoor Air Pollution Ozone Particulates Radon Rural Air Quality Smog Smoke Smoking Sulphur Dioxide UK Air Pollution UK Strategy Urban Air Quality Vehicle Emission Controls ... are usually less than 15 ppb but can be as high as 60 ppb. During photochemical smog episodes, levels can rise to over 100 ppb.
www.enviropedia.org.uk

Smog
EE Link EnviroInfo Environmental Information FOE Future Flight Geography World National Building Specification Think Energy Smog During the 19th and early 20th centuries the Industrial Revolution in Britain witnessed a ... the last 20 years has resulted in a different kind of pollution in urban areas. Photochemical smogs build up during warm sunny days in summer, when air pollutants are trapped at ...
www.enviropedia.org.uk More from this site

Science - Ozone Basics
Near-surface ozone is a key component of photochemical "smog," a familiar problem in the atmosphere of many cities around the world. Higher amounts of ...
www.ozonelayer.noaa.gov