ch13 atmosphereand climate change（ch atmosphereand climate change 13）.doc

Name: ________________________ Date: ____________ -Ch 13: Atmosphere and Climate Change 13.1 Climate and Climate Change _________________ is the state of the _________________at a particular place at a particular moment. _________________ is the long-term prevailing weather conditions at a particular place based upon_________________ taken A. What Factors Determine Climate? Climate is determined by a variety of _________________ Most important of these factors is _________________ from the _________________. B. Latitude _________________ is the distance from the equator measured in _________________ north or south of the equator. The most northerly latitude is North pole at _________________, and most southerly latitude is the South Pole at _________________ 1. Low Latitudes Latitude influences _________________ because the amount of solar energy an area of earth _________________ depends on its _________________ More solar energy _________________ on areas near the _________________ In regions near the _________________ the night and day are both about __________ hours long Temperatures are _______________ year-round, and there are no ______________ or winters. 2. High Latitudes In regions closer to the poles the amount of _________________ arriving at the _________________ is reduced. Sunlight hits the earth at an _________________ angle and spreads over a _________________ surface Near the poles the sun _________________ for only a few hours each day in the summer The sun _________________ for only a few hours each day in the _________________ C. Atmospheric Circulation 1st: ____________ _____ sinks because it is denser than warm air, as cold air sinks it compresses and warms 2nd : ___________ ______ rises and it expands and cools at is rises 3rd : warm air can hold more ___________ ___________ than cold air can When warm air _________________ the water vapor may _________________ into liquid to form rain, snow or fog _________