Sentences with phrase «represent glacial advances»
Perhaps they represent glacial advances that overrun terminal moraines and then freeze their rock into the bottom of the ice sheet.
http://williamcalvin.com/ Not exact matches
Evidence from glacial advance / retreat (e.g. the evidence from tropical Andean glaciers you cite above) is often difficult to interpret, because glacial mass balance represents in general a subtle competition between the influences of ablation (determined by changes in temperature thresholds reached) and accumulation (determined by changes in humidity and precipitation).
It shows the Hockey stick paleo reconstructions - smoothed 50 year records - and decadal CET instrumental (and reconstruction) The blue lines closed at the top represent glacial retreats and closed at the bottom glacial advances.
Our modern climate represents a very short, warm period between glacial advances.»]