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atmosphere 2 - Coggle Diagram

- - - - -droughts in north east Africa and South Africa and Australia
      - -less hurricanes in north Atlantic
      - -fewer tropical cyclones in Japan
- - - - -the width of a tree ring shows the growth rate and therefore temp
      - -the ring ages can be easily estimated
    - - -pollen grains can be preserved in lake sediments
      - -pollen from a particular species indicates the climate at the pollens time period
      - -the date can be found using radiocarbon dating of organic material in the sediment
- - - - -positive: warmer shorter winters increase survival during hibernation, may increase the populations of food species
      - -negative: wetter stormy conditions may reduce the time for bats to hunt - reducing pop. size
  - - - -if a species needs to migrate due to the climate changes they may be unable to due to fragmentation
      - -reduced genetic variation reduces adaptive potential
  - - - -heat may become intolerable causing health issues
      - -urban areas with more heat absorption leading to worse heat waves
      - -people with existing conditions vulnerable to extreme heats
      - -disease vectors may change distribution
      - -food poisoning increased due to more pathogens
    - - -changes in evaporation and precipitation may reduce water supplies from droughts to floods
    - - -impacts on societal operations
      - -road heat stress - tar roads deform
      - -track building - cause tracks to expand and buckle
      - -drainage - increased flood risk
      - -landslide - more waterlogged soil