POST 201 Lecture Notes - Lecture 17: Sea Level Rise, 2015 United Nations Climate Change Conference, Carbon Cycle
13 Apr 2016
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Document Summary
Indcs says 2. 7-3. 5 degree c temp change. Ipcc has been est to comprise scientists from all over world. Wants to achieve consensus on science and policy aspects of global climate change. The global arbiter of this issue: report thought over word by word politically dangerous words. Tx has seen rising temperatures and severe rainfall and worse droughts. Ar#2- each of last 3 decades have been successfully warmer than preceding decades. Ar#3: ocean warming dominates increase in energy stored in climate system. Ar#4: greenland and antarctic ice sheets have been losing mass, glaciers continue to shrink and arctiv sea ice and spring snow coer has decreased. Ar#5: rate of sea level rise since mid-19th century has been larger than mean of previous millennium. Ar#6: co2, ch4, no2 have increased to levels unprecendented in at least 800000 years, carbon by 40% since pre-indust times, ocean has absorbed 30% of carbon acidification. Extremely likely is btwn very likely and virtually likely.
