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Fred Johnson

Ozone

named from the Greek “ozein” for smell. Pronunciation: ‘O-“zOn  Function: noun  Etymology: German Ozon, from Greek ozOn, present participle of ozein to smell   Ozone is a molecule that contains three atoms of oxygen and thus has the formula O3. Ozone was first discovered in 1839 by German scientist Christian Friedrich Schonbein.    Ozone is …

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TWENTY YEAR ANNIVERSARY OF THE DISCOVERY OF THE CAUSE OF THE ANTARCTIC OZONE HOLE — A SCIENTIFIC SUCCESS STORY

Susan Solomon  credit:NOAA  September 15, 2006 NOAA Magazine — Twenty years ago this August, NOAA senior scientist Susan Solomon, along with other government and university scientists, identified the cause of the Antarctic ozone hole — a discovery that is still being celebrated as the most significant scientific/global environmental success story of the 20th century. Within …

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Ozone Hole 2006 Largest on Record

Ozone Hole Area Minimum Ozone (million km2) (DU) Maximum Daily Minimum Daily Year Date Value Date Value 2006 24 September  29.6 08 October 84 http://ozonewatch.gsfc.nasa.gov http://www.cpc.ncep.noaa.gov/products/stratosphere/sbuv2to/ozone_hole.sht             NASA and NOAA Announce Ozone Hole is a Double Record Breaker 10.19.06   NASA and National Oceanic and Atmospheric Administration (NOAA) scientists report …

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Solar Activity Impacts Polar Ozone

14.10.2014 8:59 Increase in greenhouse gases explains, to a large extent, the rise in the average temperature of the Earth. According to the research study published in Nature Communications today, the Sun affects middle atmosphere ozone with potential implications on smaller scale to regional, but not global, climate. Mankind is responsible for the global warming …

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Ozone Hole 2005

Ozone Hole Area Minimum Ozone (million km2) (DU) Maximum Daily Minimum Daily Year Date Value Date Value 2005 11 September  27.3  30 September 103 http://ozonewatch.gsfc.nasa.gov http://www.cpc.ncep.noaa.gov/products/stratosphere/sbuv2to/ozone_hole.sht NASA Goddard Space Flight Center-On September 11, 2005, ozone thinning over Antarctica reached its maximum extent for the year at 27 millions of square kilometers. On October 1, 2005 …

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Ozone Depleting Chemicals

CFCs The destruction of ozone is accelerated by certain trace gases containing nitrogen, hydrogen, bromine, and chlorine. These are referred to as ozone depletion chemicals. Consumption of ozone depleting substances expressed as million tonnes of ozone depletion potential (ODP), 1989-2009. ODP is a number that refers to the amount of ozone depletion caused by a …

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Ozone Hole 2004 September

Comparison ozone hole year 2003 development and growth with ozone hole year 2004 2003 2004 Environment Canada The total ozone maps are based on ground-based measurements available from the World Ozone and Ultraviolet Radiation Data Centre. Preliminary near real-time data from ground-based observations were also used for the most recent maps. Total ozone values are …

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