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Ch 3 part and% - Control’s of Earth’s Surface Temperatures Latitude Land and Water Distribution Ocean Currents Altitude Landform Barriers Human

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Unformatted text preview: Control’s of Earth’s Surface Temperatures Latitude Land and Water Distribution Ocean Currents Altitude Landform Barriers Human Activity Latitude Most important control on temperature Temp typically cools as you move towards the poles. The only exception is near the equator compared to areas just south and north. Heavy cloud cover in the region. Ocean Currents – modify air temperatures at locations, especially coastal locations (affects the climate of the area) Gulf Stream Impacts on Eastern U.S. Impacts on Northern Europe California Current Impacts on West Coast of U.S. Altitude Temperature usually decreases with height. Snow in mountains of southern CA. Glaciers at the equator (Mt. Kenya) Landform Barriers – can block air movement from one place to another affecting the temperatures. Himalayas – keep cold air out of India giving India a tropical climate (warm). Southern vs. north facing slopes Southern (warmer) Northern (colder – with more snow) Human Activities can affect local climate patterns Urban heat islands Land use change with building and expansion create pockets of warm temperatures. This changes the surface landscape and surface cover which affects albedo (reflectivity) Temperature Distribution at Earth’s Surface Isotherms – lines on a map connecting points of equal temperature Elevation is accounted for by adjusting the temperatures to what they would be at sea level Temperature gradient – rate of temperature change. Closely spaced lines – steep temp gradient Widely spaced lines – slight temperature change over long distance. • Horizontal Distribution of Temperature in January ( o C) Horizontal Distribution of Temperature in July ( o C) Visualizing Physical Geography Chapter Overview Atmospheric Pressure Local Wind Patterns Cyclones and Anticyclones Global Wind and Pressure Patterns Winds Aloft Ocean Currents Atmospheric Pressure Atmospheric pressure : Force per unit area that the atmosphere exerts on any surface at a particular elevation....
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This note was uploaded on 06/26/2011 for the course GEOGRAPHY 600-201010 taught by Professor Christopherpost during the Spring '10 term at Kent State.

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Ch 3 part and% - Control’s of Earth’s Surface Temperatures Latitude Land and Water Distribution Ocean Currents Altitude Landform Barriers Human

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