1 Measuring Latitude and Longitude

2 Absolute Location Exact location –Determined by measuring latitude & longitude –Latitude always written first (Latitude, Longitude) –Example: (80 N, 160 W)

3 Latitude Equator –Parallel circles earth halfway between North and South Poles –Labeled 0 degrees, no direction All parallels at equal distance from each other –Labeled in degrees North or South

4 Longitude All meridians at equal distance from each other Labeled in degrees, East or West Prime meridian –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 0 has no direction Examples –(48N, 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?