EARTH 10 Lecture 9: Earth 10 Antarctica Lectures 1-9
Document Summary
**continental effect---- water has higher heat capacity than land. *circumpolar ocean current : only current that flows all the way around the earth. Earth"s magnetic field protects us from thermal rays. Point in northern canada where northern lines of attraction enter the earth. Ross sea----> south of antarctica by ross ice shelf. Weddell sea----> by antarctica peninsula to west. Nicknamed iceberg valley, more icebergs than any other part of antarctica. This is because westside more unstable-->warmer--->icebergs more prone to break off. Southern ocean goes around antarctica to 60 degrees s. High frequency radio signal transmitted into the ice. Computer measures time for pulse to travel to and from target. Largest: lake vostok = size of connecticut (middle of east antarctic ice sheet) Coldest temp. ever recorded was at this lake. Palmer (antarctic peninsula, named after first american that saw. Amundsen-scott (middle of continent on south pole) study lots of geophysics. 1601 km from mcmurdo to south pole.
