GEOG 203|69 Exam 1 Questions And Answers

3 key methods of carbon dioxide reconstruction - ️️1) Direct Measurement 2) Ice Core Bubbles 3) Stomatal Density of plants Age of the oldest rocks on Earth - ️️4 Billion CO2 ______ climate all over the globe - ️️uniforms Differences between the LGM and today - ️️1) Ice Sheets (30% of earth) 2) Sea Level increased by 125 m 3) Land Bridges 4) Biotic change 5) atmosphere GHG concentrations during an El Nino, Australia and Indonesia experience...? - ️️drought ENSO - ️️El Nino Southern Oscillation Equator - ️️0 degrees Latitude Evidence of a Hothouse - ️️1) capstone carbonate 2) Iridium deposit Evidence of the Icehouse World: - ️️1) glacial deposits (dropstones) 2) synchronous dated 3) paleomagnetism: magnetic grains in rocks point to the magnetic north pole Factors influencing Earth's energy budget: - ️️(1) Distance (2) Luminosity (3) Albedo: 30% reflectance (4) Greenhouse Gases: water vapor, CO2, mathane NOx, CFC, ozone