test 3 study guide

test 3 study guide - Equinoxes - vernal in march - autumnal...

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Equinoxes - vernal in march - autumnal in September - daylength is 12 hours at all latitudes - solar declination is at the equator (sun directly overhead at noon) - insolation is zero at equator Solstices - area within the Antarctic and Arctic circles get 24 hours during summer solstice - 24 hours of darkness in winter solstice - solar declination is at 23.5N (summer) and 23.5S (winter) - insolation = latitude – (solar declination) Wind - caused by movement of air from higher pressure to lower pressure - also known as the pressure gradient force Radiation - Sun emits shortwave - Earth emits longwave Saturated cools slower? - water takes longer to change temperatures Relative Humidity - ratio of actual amount of water vapor in the air to the total amount of water wapor in the air at saturation - dependent on air temperature because the ability of the atmosphere to evaporate moisture changes as air temperature changes - warmer air can evaporate more moisture than cooler air - air with higher dew point temperatures can hold more water
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