Ozone Timeline

By bridgette tiquet

  • The Dramatic loss of the Ozone

    they noticed the Dramatic loss of ozone in the lower stratosphere over Antarctica was first noticed in the 1970s

  • In 1994 the ozone decressed even more than in the 1970's

    By 1994, the total ozone in October was less than in the 1970's

  • documentation of the antartic Ozone hole

    In 1985 The British Antarctic Survey's first documentation of the Antarctic ozone hole

  • expirement SESAME

    In 1994 and 1995 European scientists conducted SESAME which was an expiremant

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