GEOLOGY 1 Lecture Notes - Lecture 23: 2004 Indian Ocean Earthquake And Tsunami, East Los Angeles College, James Lovelock
Document Summary
James hutton (1785): earth as an analog to a super organism. ~200 years later james lovelock: gaia hypothesis. Earth is an organism life significantly affects earth environment life modifies the environment for the betterment of life life deliberately or consciously controls the global environment idea inspired interdisciplinary thinking. Earth: dynamic, alive, and complex in order to prolong earth"s sustainable (tbc. ) System input-output analysis mississippi river as an example. System changes: types pf changes, rates of changes, scales of changes, etc. Fout interconnected and interdependent subsystems: lithosphere, atmosphere, t=s/f (t: residence time, s: total size of stock, f: average rate of transfer) hydrosphere, and biosphere. Present human activity key to understanding the future. The present is the key to the past. The present id the key to the future. Environmental unity: chain of actions and reactions. Hazardous earth processes and risk statistics for the past two decades.
