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## Geography 1113 Notes- Week 1

by: Victoria Koehl

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# Geography 1113 Notes- Week 1 GEOG 1113

Marketplace > Georgia State University > GEOG 1113 > Geography 1113 Notes Week 1
Victoria Koehl
GSU
GPA 3.79

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Notes about maps, coordinates, Arctic/Antartic circles, the two Tropics.
COURSE
Introduction to Landforms
PROF.
Larry Kleitches
TYPE
Class Notes
PAGES
1
WORDS
CONCEPTS
maps, geography
KARMA
25 ?

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This 1 page Class Notes was uploaded by Victoria Koehl on Sunday September 4, 2016. The Class Notes belongs to GEOG 1113 at Georgia State University taught by Larry Kleitches in Fall 2016. Since its upload, it has received 8 views.

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Date Created: 09/04/16
Geog 1113 Notes­ Beginnings  Latitude from the North and South Poles, measuring east/west of the Prime Meridian (Prime  Meridian (0 degrees), International Date Line (180 degrees))  Latitude is measured N/S from the Equator  Conversion: 1 degree (°) = 60 minutes ( ' ), 1 minute = 60 seconds ("), multiply the right of the  decimal by 60                Ex: 30.755°N = 30°45'18"          .755 x 60 = 45.3      .3 x 60 = 18  The circumference of the Earth is 24,902. Divide circumference by 360 to find # of miles per 1°,  to find circumference multiply the degree by 360, it is not constant for longitude  Axis tilt is at an 23.5° angle   Four latitudes­ Arctic/Antarctic circles and Tropics of Cancer/Capricorn; each mark certain limits  of the sun's rays hitting Earth, relation between the tilt and Tropics/Circles­ change one change  them all st st  Autumn Equinox is on Sept. 21  and Spring Equinox is on March 21 , it is when there are vertical  rays over the Equator at noon creating about 12 hours of day/night st  Winter solstice is on Dec. 21 , and is when vertical rays are over Tropic od Capricorn creating  longest day for the Southern Hemisphere  Maps are drawn to represent part or all of Earth's surface and created to serve various functions,  components­ scale/location, contour lines  Scale­ relation of map distance to the true distance, fraction=1/24,000, verbal (1 inch is equals 100 miles), or bar scales (­­ is equivalent to 10 miles)  Large scale map­ A map with great detail over a small area, objects appear larger (Map of  Downtown Atlanta)  Small scale map­ A map with less detail over a large area, object appear smaller (Map of Georgia)  Topographic maps show elevation using contour lines, wide spacing between lines means a gentle  slope while little spacing b/w them means a steep slope  A slope is indicated by a percent grade, rise over run, rise= (elevation A) ­ (elevation B), run=  horizontal distance from A to B, rise/run x 100 = % grade

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