ENV222H1 Lecture 5: Earth Systems
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ENV222H1 Full Course Notes
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Env200 - lecture 5 - earth systems (systems, feedback & energy) An email was sent out with a pdf. Find your name on the pdf and go to the room listed beside your name. If you were assigned a tutorial room in acorn follow the room in the posted pdf not the room on acorn. Hand a paper-copy version of this in tutorial. The lithosphere is divided i(cid:374)to ~15 plates, so(cid:373)e have co(cid:374)ti(cid:374)e(cid:374)ts as (cid:862)passe(cid:374)gers(cid:863) The tectonic plates form a crust over a molten mass. What we see today as the continents is not what was there millennia ago. Most of the plates have a bit of ocean and have a bit of continent. We rest on the north american plate. But it also encompasses a bit of the pacific and atlantic ocean. These plates are shifting very slowly over time. At one point there was a huge continent called pangea but that has since separated.
