Lec24_more_global_change_2013_st-1

Vies have impacted all four spheres of the earth

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Unformatted text preview: chlorine is beginning to decline in the atmosphere. What is the connection between ozone depletion and global warming? •  No direct connec?on between these environmental issues.   However: Global warming may enhance ozone depletion •  Global warming produces: •  Tropospheric warming & stratospheric cooling •  Therefore, if the stratosphere cools, then ozone destroying chemistry (e.g. ozone hole), will increase. Polar Stratospheric Clouds Key Points •  Human ac?vi?es have impacted all four spheres of the Earth system. •  Dams have decreased overall discharge on a...
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