Climate

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  • Climate
    • Things that affect climate: RELIEF, higher relief lower the temperature. Enviromental lapse rate = 0.65degrees celcuis per 100m
      • ALBEDO:  Some surfaces reflect more heat than others. Ice reflects heat, Earth and ocean retain heat
        • LATITUDE: at equator the sun rays have a smaller distance to travel and a smaller surface area so it heats up quicker than say Iceland because that is further north so further for suns rays to travel.
          • GULF STREAM: Also known as the North Atlantic Drift and South Westerly wind  enables a relitavley warmer climate  compared to some areas on same latitude,
            • DISTANCE FROM SEA: Sea heats up and cools slowly so does land around, Whereas land far from sea heats up and cools quickly
    • Climate zones: at north and south poles are the polar zones. Following that are the temperate zones. Followed by tropical zones where they meet
    • High pressure is lots of air pushing down on the earth and creates an anticyclone. They can stay over Britain for day
      • They bring dry, fine and settled weather. Brings gentle winds.
        • It doesn't rain very often when this occurs as the air is sinking so cannot form clouds. If it occurs in summer we experience heatwaves button winter temp really falls
    • Low pressure rises from earths surface and is called depression and are very common in Britain
      • because the air is rising it cools and condenses forming clouds and rain and unsettled conditions. There are strong winds
    • A desert is an area of land that receives less than 250mm of rain a year examples are: Arabian, Saharan. Australian, Thar, North American and Namib
  • They bring dry, fine and settled weather. Brings gentle winds.
    • It doesn't rain very often when this occurs as the air is sinking so cannot form clouds. If it occurs in summer we experience heatwaves button winter temp really falls

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