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EESA09H3 (185)
Lecture 7

Lecture 7

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University of Toronto Scarborough
Environmental Science
Tanzina Mohsin

Lecture 7: Thermal Winds LandSea Breeze Temperature contrast between land and water Temperature changes from day to night Toronto- Great Lakes, for us it is landlake breeze Figure 1.1 Local wind circulation- thermal wind o Bottom one is lake breeze Thermally induced circulation because of temperature contrast between land and sea With 1km, small scale Sea breeze During day, land is warmer than water Warm air rises, cold air sinks- air over land mass rises, then sinks over water bc temperature colder, puts up moisture and move over land When isobars largely spaced, on land, closely spaced on water, means land air moves to water Sea breeze front Sea breeze can creates sea breeze front and can cause local precipitation Downtown sees more precipitation than Markham esp. over summer time due to landsea contrast Land breeze Water is warmer than land As night falls, all heat on land is given up quickly Water cannot cool down quickly like land Air moves over water, air is from land to water,
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