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Comments on Gigapan: BIF South Pole


Gigapan Comments (1)

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  1. Ella Derbyshire

    Ella Derbyshire (August 31, 2009, 02:00PM )

    The South Pole is considered an important place for studying the ozone layer. The hole in the ozone layer over the South Pole is of particular interest because the ozone layer filters harmful ultraviolet rays out of sunlight before it reaches humans, animals and plants on the ground. In people, ultraviolet radiation is a major factor in the development of cataracts and certain skin cancers. Ultraviolet radiation also harms plants and affects their growth and reproduction. It has adverse effects on phytoplankton, which is the base of the food chain in our oceans. There are chemicals that destroy ozone, and there are global efforts to reduce our use of ozone-depleting substances. Monitoring the size of the ozone hole here gives indications of how effective our efforts have been.