PPT-Pleistocene glaciations and glacial cycles

GEO101 Spring 2023 Contents Growth of glaciers in the Cenozoic Era Glacial cycles The astronomical theory for glacial cycles Cenozoic Glaciers Cenozoic era started cooling 50 million years ago. Morgan Monz. Outline . Locations . Modern climates. Evidence for pluvial Lakes . Pleistocene . glaciation. . Specific pluvial lakes. Location . Victoria . Tanganyika. Malawi . (http://www.biomedcentral.com/content/figures/1471-2148-5-17-1-l.jpg). GEOL 2110. The Pleistocene Epoch. The Ice Age. Major Concepts. The gradual cooling evident in the mid to late Cenozoic reached a critical threshold which triggered extensive . glaciation. around 1.8 Ma. . • Current and past distribution Glaciers Causes of glaciation 1. Variation in solar irradiation 2. Variation in atmospheric properties that reflect/absorb solar radiation - volcanoes 3. Change A. Duk-Rodkin, R.W. Barendregt, D.G. Froese, F. Weber, R. Enkin, I. Rod Smitha, P. Waters & R. Klassen 2 Figure 1. Location map. physiographic barrier to the west. This physiographic barrier consis Pleistocene animal, see The Pleistocene Zoo lesson for some ideas (http://oceanexplorer.noaa.gov/explorations/09newworld/background/edu/media/zoo.pdf).Five of the Haystacks should contain three or fou GEOL 2110. The Pleistocene Epoch. The Ice Age. Major Concepts. The gradual cooling evident in the mid to late Cenozoic reached a critical threshold which triggered extensive . glaciation. around 1.8 Ma. . Current Weather. Finish Ice Core Research. Overview and Historical Perspective . The Pleistocene and . Holocene. Milankovitch Theory. For Next Class: Read Ch. . 9. . (pp. . 299-308. ). Reminder: Exam 2 on . Presented by Calvin Wight. http://. solarviews.com. /cap/earth/. chile.htm. Outline. Background. Controls on Glaciation. Climatic. Tectonic. Latitudinal. Glacial History of the Chilean Andes. Northern. out of. Chs. . 9 and 11 . of the text . . .. Prehistoric Cultures. Tim Roufs’ section ©2009. Class Slides Set. . 17A. Early Hominins. . Introduction . to . Early Hominins. . Australopithecus . garhi. Ch 15: p 277-281. Glaciers:. Enormous masses of moving ice created by the accumulation and compaction of snow.. Powerful agents of erosion ~ have carved some of the most spectacular features on Earth’s surface. B. Landforms : an accumulation of till deposited by direct glacial action. Ground moraines are relatively level to gently rolling and are formed by the deposition of accumulated material beneath the . post-glacial conditions in South-eastern . Latvi. a. . Daugavpils . University. Department of Environmental Science and Chemistry. Juris SOMS. . e-pasts: . juris.soms@du.lv. Zane . ABSTRACT. Joe . D. . Dragovich. 1. , . James H. . MacDonald, Jr.. 2. , . Shannon A. . Mahan. 3. , . Megan L. . Anderson. 4. , . Jr., S. Andrew . DuFrane. 5. , . Curtis J. . Koger. 6. , . Daniel T. . Smith. Megafaunal. Extinction. Kelsey T. . Stilson. Cultural and Climate Revolution. Migrations change both humans and the ecosystem.. Novel System. Stepped Global Extinction Events. Barnosky. , AD; Koch, PL; .