GEOG 1101 Lecture Notes - Lecture 8: Dust Bowl, Krakatoa, Suspended Solids
10 Feb 2017
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Document Summary
Climate: long term patterns of weather over time. Meteorologist: interested in day to day conditions. Climate is like a pendulum: swinging from hot and cold/ wet and dry. Why should we be concerned with climate change: Concern stems from the realization that humans may impact climate. Recent natural phenomena-el ni o, and volcanic eruptions, have increased this interest. Impacts: changes to ecological systems, food production, and economic activities. Price of wheat went through roof in middle east and africa: hard to get bc of drought, 2011-upheavil started to begin research done suggesting link of drought and political turmoil. Timescales of climat e change climate change issues must be referenced with regard to time and space time scale is very important. 55,000 years ago- way warmer than it was today co2 pushing about 1,000 ppm today they are 400 parts per million: 180-280 is where co2 ranges from (normal range) low co2 range= ice everywhere.
