Radiometric Dating. First Attempted in 1905 Compare U and Pb content of minerals Very crude but quickly showed ages over a billion years Skepticism about.
Fire History from Tree Rings. Justification: Wildfires in Montana and Idaho …
UNSW Understanding Past Climate Change -Past Climate is known as Paleo-climate, experts known as paleo- climatologists. -How do we detect past climatic.
presented to CASE, June 15, 2013 outline Mother Nature’s wakeup call… What is water conservation? Why conserve? How are we doing? The future…
UNIT SIX: Earth’s Structure Chapter 18 Earth’s History and Rocks Chapter 19 Changing Earth Chapter 20 Earthquakes and Volcanoes.
Insights into Climate Dynamics from Paleoclimate Data Michael E. Mann Department of Environmental Sciences University of Virginia Richard Foster Flint.
Isotopes and Tree Rings. Isotopes in Tree Rings Environmental processes captured in tree rings can be embodied either physically or chemically. Chemical.
THE CLIMATE RECORD & SEVERE WEATHER CLIMATOLOGY.
Fire History and Forest Succession in Yellow Pine Stands of the Appalachian Mountains Charles W. Lafon, Department of Geography, Texas A&M University Henri.
