GLY 102 Lecture Notes - Lecture 8: Ice Stream, Chasing Ice, Gravimetry

• School: University at Buffalo
• Department: Geology
• Course: GLY 102
• Professor: Jason Briner

Document Summary

Re(cid:448)ie(cid:449) earth"s cli(cid:373)ate histor(cid:455) diagra(cid:373) data set: plate tecto(cid:374)ics (cid:1005)(cid:1004)(cid:1004),(cid:1004)(cid:1004)(cid:1004) (cid:455)ear ti(cid:373)e scale. India crashing into asia exposed new rocks to weathering, the weathering draws co2 out of the atmosphere: leads to cool. Drake passage opening, open gap, the trade winds around the south pole opened and allowed warm tropic waters to move toward the poles: creating ice sheets. Paleocene titanoboa: largest snake fossil: reconstruct the climate of the past, proxy data. B(cid:455) the ti(cid:373)e (cid:455)ou get to the north pole, there"s light isotopes: the smaller the right side of the graph, the colder it is. Speleothems measures past information from a cave. Review many archives of past climate change. Look at graph and determi(cid:374)e (cid:449)here there"s (cid:373)ore ice a(cid:374)d less ice. Paleoclimate : 2 graphs together, less co2, earth cooler, more ice. 60% of all fresh water on the planet antarctica. Satellites: radarsat : measures velocity and ice sheet thickness.