EESA10H3 Lecture Notes - Lecture 12: Hydrosphere, List Of Industrial Processes, Habitat Destruction
12 Apr 2017
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Chapter 12a - global climate change and human health. Climate trends in weather patterns over an extended period of time (years) Climate system interactive system of 5 compartments: atmosphere, land surface, hydrosphere, biosphere, cryosphere (snow and ice) Energy from the sun warms the earth"s surface. Water vapor (clouds), co2 and other gasses are heated. They radiate heat (longer-wavelength) in all directions (space or warms the air and the earth"s surface) Fossil fuels: electricity generated by coal 42, transportation 24, industrial process 20, residential and commercial uses 14% Largest emitters of co2 (2017: china 29. 51, us 14. 34, european union 9. 62, india 6. 81, russia 4. 88, japan 3. 47, germany 2. 16, iran 1. 76, south korea 1. 71, canada 1. 54% 20th century was the hottest century in the past 1000 years. Since 1861 the average global temper. of the troposphere has risen 0. 70c. 20 warmest years occurred since 1980 glaciers and floating sea ice are melting and shrinking.
