EESB03H3 Lecture Notes - Lecture 5: Freezing Rain, Great Lakes, Polar Easterlies
27 Feb 2020
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Snow can measured in two ways: snowfall, snow on ground(snow depth) Snow measured in cm, rain in mm. So, if dec and jan>1= snowy winter. If we look at the vertical profile of lakes, lake ontario is near the end. Examined lake ice from 1973 to 2010 using satellite derived maps of coverage. 90% of variability accounted for by regional temperatures. 13 years: what about the future, yes, we can assemble projections starting from the baseline by comparing heavy to no ice to every 30 years. Climate change will have a profound impact on the ice/snow days in toronto. Global circulation: three broad categories of atmospheric circulation: global-10000 of km, synoptic- 100 to 1000km, small-scale- <100km. Observation: reverse is true for the equatorial region. There is more energy released in the polar regions that is received from the sun. Atmospheric circulation-poleward transport by wind- one cell theory . Air rises at the equator, moves towards poles, sinks at poles.
