GGR101H1 Lecture Notes - Lecture 2: 30Th Parallel North, Polar Easterlies, Atmospheric Circulation
28 Feb 2016
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Lec 2 => topic: drivers of climate posted fillable pdf -> posted tonight or tomorrow readingso tested on lecture material: do readings, **pay attention to topics where lectures and readings overlap. Part 1: sun > earth"s surface: solar radiation sunlight: electromagnetic energy/radiation from the sun benefitso lights up planet, photosynthesis, drives atmospheric circulation, sub-atomic charged particles. West to east north and south precession: earth"s wobble related to tilt, change in direction. Mainly composed of nitrogen, oxygen, argon defined by distance from, the surface of the planet. **troposphere (1) climate that you hear about lowest layer. **stratosphere (2) stratified temperature: warm -> cold tropopause the ozone layer, lot of it in the lower stratosphere, formed through the interaction of uv hitting ozone ozone hole, cfcs were very effective greenhouse gases created the hole. Worse effect than carbon dioxide concentration of ozone changes naturally but mainly from man-made causes.
