GEO135 - Week 2 Notes
GEO135 - Week 2 Notes GEO 135
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This 3 page Class Notes was uploaded by Shannon Surell on Sunday August 30, 2015. The Class Notes belongs to GEO 135 at Illinois State University taught by David Johnson in Fall 2015. Since its upload, it has received 86 views. For similar materials see World Geography in Education and Teacher Studies at Illinois State University.
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Date Created: 08/30/15
GEOLOGY 135 David Johnson Any place with mean it is very important to know for the test Tuesday August 25 2015 Cartograms Pictorial description of a numerical quantity Ex can look like a map but has data on it Anything that has a scalenumber can be made into a cartogram Ex CANADA GREENLAND UNITED STATES Population Cartogram Example Regions Formal homogeneous homogeneous to the population and physical area 9 more important to determine formal regions Ex Midwest plains because the Rocky Mountains are on one side and the Mississippi River is on the other side to form the region 0 Core largely where action goes on where politics occur where most of the population is where the best education is it is in sense like a buHseye o Periphery on the boundaries of the core Usually areas without manufacturing or less than how much the core has less universities lower population etc ex Von Thunen Rings Europe 0 Inner circle core 9 located near ocean so lots of ports sea commerce etc Another small circle south of the inner circle which is located by the Rhone River 9 part of the Industrial Revolution 0 Second ring contains those who are truck farmers people rarely traveled to work mostly nonperishable items 0 Third ring contained even less perishable items 0 Fourth ring pretty much no perishable items wood things from the forest Vernacular perceptual A region in which we perceive it 0 Ex How New Yorker s perceive New York and the rest of the world 0 Doesn t have specific descriptions just based on how we perceive the region 0 Ex corn belt rust belt etc 0011 0 Ex looking at weather conditions religion confederate states etc Latitude lines lines east and west Tell you how far North and South you are Called parallels Start at 0 degrees Labeled 20 degrees N 40 degrees N etc up to 90 degrees N o 90 degrees N 9 North Pole 0 90 degrees S 9 South Pole Labeled the same way all around the globe Measured in degrees which are very large 0 We divide degrees up into minutes 60 minutes 1 degree Minute of latitude line called a nautical mile 6076 feet 0 Used in navigation Nautical mph called a m this is distance not speed Divide minutes up into seconds as well 1 minute 60 seconds 0 Do not divide minutes or degrees into decimals Only seconds Thursday August 27 2015 Circles Great Circles Tropic of Cancer 23 12 degrees N latitude o Represents the farthest you can go from the equator where the sun can be directly overhead Tropic of Capricorn 23 12 degrees S latitude It is 23 12 degrees North or South because that is the tilt of the Earth Arctic Circle 66 12 degrees North 0 Sometimes called the North Atlantic Sun 0 There is at least one day where the sun doesn t set and one day where the sun doesn t rise Antarctic Circle 66 12 degrees South 66 12 degrees North or South because 90 23 12 66 12 o Geometric relationship between these two types of circles Greenwich meridian longitude 0 Infinite number of them WW N Formed by 3 points noncollinear 9 theearm do not form a straight line 0 1 point is the center of the Eanh o 2 other points are any other points on the surface of the Eanh Equator latitude 0 One example of a great circle 0 Ex JFK airport Tokyo Japan and the center of the Earth 3 pts All three of these points define a plane and they intercept the Earth Those two points form a line called a Great Circle If you make a Great Circle you have found the shortest distance between those 2 points 0 Usually impractical because you would probably need to go undergroundunder the sea to get there with this path you would go through the Earth There is only one plane between an exact two points Magnetic vs True direction True this is direction in respect to the North Pole 0 Relationship to true North straight upwards 0 Most compasses point to magnetic North Magnetic in Greenland 0 Where most compasses point for North On a map for navigation there are a separate set of lines usually brown called Madnetic declination DO NOT HAVE TO CALCULATE ON TEST 0 You will need to either add or subtract whatever number it says to the number a compass would give you Longitude lines o Referred to as Meridians 0 Differences between parallels and meridians Parallels are parallel meridians aren t they come together at one point Latitude lines in degrees are 0 degrees to 90 degrees longitude lines are 0 degrees to 180 degrees E and W International Date Line 0 Separates one day from another 0 Noon at the Prime Meridian 9Midnight at International date line 0 Completely opposite the Prime Meridian