EVSC 1450 Lecture Notes - Lecture 14: Sea Level Rise, Emission Intensity, Thermal Expansion
31 Aug 2016
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Given a certain amount of energy need, how much carbon does. Energy intensity: joules to do a thing (lights, heating, etc) Currently on a pathway -- high growth, high emissions. But no one lives in the global average. Land further from the coast warms more (coasts are cooler) 1300 w/m2 normally, then if you add co2, 1400 w/m2. High confidence -- 9 to 9. 5 on a 10 scale. Even at the bottom of the range, that is a big deal. More heat stored in the ocean over time. Ocean is warming -- when you warm water, it expands. Greenland -- +0. 09 to 0. 059 mm/yr increase. Antarctic -- +0. 08 mm/yr to 0. 40 mm/yr. Human induced changes in land and water storage. Impoundment (dams) = prevents sea level rise. Groundwater withdrawals = adds to water cycle and sea level rise. Getting bigger, even though they are small. Ipcc 2013: 0. 4-0. 7 m, high end of 1 m.
