NCGIA Core Curriculum in Geographic Information Science
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Unit 014 - Latitude and Longitude

by Anthony P. Kirvan, Department of Geography, University of Texas at Austin, USA

This section was edited by Kenneth Foote, Department of Geography, University of Texas Austin.

This unit is part of the NCGIA Core Curriculum in Geographic Information Science. These materials may be used for study, research, and education, but please credit the author, Anthony P. Kirvan, and the project, NCGIA Core Curriculum in GIScience. All commercial rights reserved. Copyright 1997 by Anthony P. Kirvan.

Your comments on these materials are welcome. A link to an evaluation form is provided at the end of this document.

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Unit 014 - Latitude and Longitude

1. Frames of Reference

1.1. Plane Coordinate Geometry

2. Earth Coordinate Geometry

2.1. Rotation of the Earth

2.2. The Equator

2.3. The Geographic Grid

2.3.1. Parallels of Latitude

2.3.2. Meridians of Longitude

2.3.3. Degrees, Minutes, and Seconds

2.3.4. Great and Small Circles

2.3.5. Loxodromes

3. Using Latitude and Longitude for Location

3.1.  Latitude

3.1.1. Latitude and Distance

3.2. Longitude

3.2.1. Longitude and Distance

3.3. Calculating Distances in Latitude and Longitude

4. Review and Study Questions

4.1. Essay and Short Answer Questions

4.2. Multiple-Choice Questions

5. Reference Materials

5.1. Print References

5.2. Web References


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Created: October 29, 1997.  Last revised: July 7, 2000.

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