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Haley Hughes GEOL-1041-ONLINE-Lab Exercise 3-Latitude and Longitude Linear Distance-Summer2016

# Haley Hughes GEOL-1041-ONLINE-Lab Exercise 3-Latitude and Longitude Linear Distance-Summer2016

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Lab Exercise #3 Latitude & Longitude Linear Distance

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NAME: Haley Hughes DATE: 7/22/16 CLASS SITE: SCORE/GRADE: Please only return this answer section as your final submission . 1. Latitude and Longitude Linear Distance How Precise Can We Be With Latitude and Longitude Degrees of latitude and longitude can be further subdivided into minutes and seconds : there are 60 minutes (') per degree, and 60 seconds (") per minute. For example, a coordinate might be written 65° 32' 15". Degrees can also be expressed as decimals: 65.5375, degrees and decimal minutes: 65° 32.25', or even degrees, minutes, and decimal seconds: 65° 32' 15.275". All these notations allow us to locate places on the Earth quite precisely – to within inches. The diagram at right is an example of a place located to the nearest second. It is written as: 42°21'30"N 71°03'37"W. This place is city center, Boston, Massachusetts. A degree of latitude is approximately 69 miles, and a minute of latitude is approximately 1.15 miles. A second of latitude is approximately 0.02 miles, or just over 100 feet. For example, ETSU is at 36º N; therefore, 36º x 69 miles = 2,484 ETSU is at 36º N; therefore, 36º x 69 miles = 2,484 miles north of the equator. This is called Latitude Linear Distance. miles north of the equator. This is called Latitude Linear Distance. A degree of longitude, on the other hand, varies in size. At the equator, it is approximately 69 miles, the same size as a degree of latitude. The size gradually decreases to zero as the meridians converge at the poles. At a latitude of 45 degrees, a degree of longitude is approximately 49 miles. Because a degree of longitude varies in size, minutes and seconds
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• Spring '14
• CharlesRGunter
• Geography, miles, Longitude Linear Distance

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