Unit 014 - Latitude and Longitude

1. About the main contributors

• author: Anthony P. Kirvan, tkirvan@mail.utexas.edu, Department of Geography, University of Texas at Austin, Austin, TX, USA, 78712-1098
• editor: Kenneth E. Foote, k.foote@mail.utexas.edu, Department of Geography, University of Texas at Austin, Austin, TX, USA, 78712-1098

2. Details about the file

• current URL of file:
• http://www.ncgia.ucsb.edu/giscc/units/u014/u014.html
• unit title:
• Latitude and Longitude
• unit key number:
• 014

3. Key words

• Coordinate Systems
• Latitude and Longitude

4. Index words

• Parallels of Latitude
• Meridians of Longitude
• Great and Small Circles
• Prime Meridian
• Equator and Poles

5. Prerequisite units

• 008 - Representing the Earth

6. Subsequent units

• 013 - Overview of Coordinate Systems
• 015 - The Shape of the Earth
• 018 - Mapping the Earth

7. Revision history

• 29 October 1997. First revision of unit published.
• 4 October 1997. First set of graphics added to module.
• 09 November 1997. Unit converted into NCGIA format, frame, short table of contents, metadata, and tables created.
• 13 November 1997. Review and study questions added to module.
• 19 November 1997.  Revisions to section 3 on geodetic latitude and longitude, great circle calculation added.
• 12 June 1998.  Additional revisions based on reviewer comments.
• July 1, 1998. Minor revisions.
• June 19, 2000. Tables revised.
• July 7, 2000. External links updated.

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