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Results 1 - 10 from 150 for ozone amounts in 1.805 sec.

remote sensing
Since the mid-1950s, total stratospheric ozone amounts have been regularly measured. In the early part of this ... scattered back from the atmosphere, is able to compute total ozone amounts. Because it depends upon scattered solar radiation, TOMS does not ... show total October atmospheric ozone over the Southern Hemisphere for 1979 through 1994. To see how the ozone amounts have trended through the ...
www.cotf.edu

Stratospheric Ozone Depletion tutorial
Goddard Institute for Space Studies - Atmospheric Chemistry Total Ozone Mapping Spectrometer - ozone measurements Stratospheric ozone depletion is a concern because the ozone layer in the stratosphere keeps 95-99% of ... result in increased amounts of photochemical smog. Photochemical smog is already a health hazard in many of the world's largest cities. The decrease of stratospheric ozone was first ...
www.nas.nasa.gov

atmospheric physics
Fortunately, it exists in lesser amounts and is largely absorbed by ozone. Uvc, at 200 to 280 nm ... , is totally absorbed by ozone and normal diatomic oxygen high in the atmosphere. Ozone is most effective at ... %, and water, 5%. [ Atmospheric Physics ] [ Atmospheric Chemistry ] [ Meteorology of Ozone ] [ Glossary ] [ Related Links ] [ PBL Model ] [ Home ] [ Teacher Pages ] [ Modules & ...
www.cotf.edu

FMI - Research - Atmosphere - Ozone and UV radiation
What are good and bad ozone? Ozone either protects or ... ozone is a pollutant, which in large amounts causes damage to man, animals and plants. It makes up about 10 % of all ozone ... ozone, which in large amounts irritates the eyes and lungs. In summertime ozone may cause smog in large cities. During the Earth's past history, natural conditions have varied the amount of ozone ...
fmi.fi

The ozone layer, depletion and uv radiation
Shuttle Solar Backscatter Ultraviolett InstrumentGlobal stratospheric ozone levels have declined, which means that the ozone layer is changing. Stratospheric ozone has large natural temporal and spatial variations ... dioxide sink in the oceans. Phytoplankton in the oceans assimilates large amounts of atmospheric carbon dioxide. Increased UV radiation will reduce phytoplankton activity significantly ...
www.eco-action.org

Public Meeting Transcript: April 21, 2006 | Ozone Depletion - Regulatory Programs | U.S. EPA
Programs Recent Additions | Contact Us Search: All EPA This Area You are here: EPA Home Ozone Layer Depletion Regulatory Programs Public Meeting Transcript: April 21, 2006 Public Meeting Transcript: April 21 ... own to help continue to supply the market with non-ozone depleting MDIs after 2008. We believe at this point that, inadequate amounts of CFC propellants have been allocated for 2006 to ...
epa.gov

Ozone
Disadvantages A disadvantage to using ozone, especially for pool maintenance personnel with an existing respiratory condition, would be the presence of slight amounts of ozone in the air potentially contributing to ... in Europe treated with ozone. In North American pools, the ozone dosage has often been underrated and a proof of ozone output was usually not required. Some ozone suppliers will then ...
flasolar.com

Ozone Depletion | Ozone Hole | Skin Cancer
The risk of developing malignant melanoma is directly related to the ... populations around the world for decades. Ozone Depletion and Skin Cancer Ozone in the stratosphere protects Earth from damaging amounts of ultraviolet (UV) radiation. A depleted ozone layer would allow more of the ...
www.ozone-hole.org.uk

Ozone Depletion | Ozone Hole | Stratospheric Ozone
Used in industrial processes and as a propellant for gases and sprays. In the atmosphere they are responsible for the depletion of ozone ... chlorofluorocarbons but contain bromine. They also destroy the ozone layer. Hydrochlorofluorocarbons (HCFCs) Synthetically produced compounds containing varying amounts of hydrogen, chlorine, fluorine and carbon. Used as ...
www.ozone-hole.org.uk More from this site

Mandatory Reporting of Methyl Bromide Sales | Ozone Depletion - Regulatory Programs | US EPA
EPA. What Must I Report? Distributors and applicators must report the amounts of methyl bromide that were: Bought Sold for each critical use Owned for pre-plant ... for general information about reporting, as well as copies of all EPA forms. Local Navigation Ozone Depletion Home Regulatory Programs Home Phaseout Exemptions: Methyl bromide Essential uses (MDIs) Lab uses Imports ...
epa.gov