Measuring Latitude and Longitude

1. Measuring Latitude and Longitude

2. Parallels of Latitude • Imaginary lines that remain at an equal distance from each other • Labeled in degrees North or South • Equator • Parallel circles earth halfway between North and South Poles • Divides earth into Northern and Southern Hemispheres • Longest line of latitude • Labeled 0 degrees, no direction

3. Tropical Latitudes • Temperatures hot all year • Tropic of Cancer • Northern boundary • 23.5 degrees N • Tropic of Capricorn • Southern boundary • 23.5 degrees S

4. Meridians of Longitude • Imaginary lines that remain at an equal distance from each other • Labeled in degrees East or West • Prime Meridian • Runs through Greenwich, in London, England • Divides earth into Eastern and Western Hemispheres • Longest line of longitude • Labeled 0 degrees, no direction

5. Recording Latitude and Longitude • Latitude is always written first • North or South • Longitude is always written second • East or West • O has no direction • Examples • (46N, 100E); (0, 54W); (118S, 0)

6. Problems • What is the latitude and longitude of Washington, D.C.? • What city is approximately 35 south latitude, 20 east longitude? • What city is approximately 35 south latitude, 60 west longitude?

7. Problems • What city is 0 latitude, 80 west longitude? • What city on the map is 0 longitude? • What city is 30 south latitude, approximately 153 east longitude?

8. Problems • What is the latitude and longitude of Mexico City? • What is the approximate latitude and longitude of Moscow?