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Map projections

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

MAP PROJECTIONS PROJECT

A WAY OF TRANSFERRINGTHE FEATURES OF EARTH ONTO A FLAT SURFACE
Photo by perpetualplum
2.

CYLINDRICAL

A SURFACE THAT CAN BE UNFOLDSD INTO A PLANE OR SHEET
Photo by oschene
3.

CONIC

PRODUCES A ROUGHLY SEMICIRCULAR MAP WITH THE AREA BELWO THE APEX
Photo by kiwizone
4.

EQUAL-AREA

PROJECTION IS A FAMILY OF CYLINDRICAL, EQUAL AREA MAP PROJECTIONS
Photo by Eric Fischer
5.

EXAMPLE OF CYLINDRICAL

6.

EXAMPLE OF CONIC

7.

EXAMPLE OF EQUAL-AREA

8.

PROS/CONS OF CYLINDRICAL

  • Pro:shows the shape of the continents accurately
  • Con:distorts the size of the earth
9.

PROS/CONS OF CONIC

  • Pro:Does not distrot the size of continents
  • Con:it can only show one hemishpere
10.

PROS/CONS OF EQUAL-AREA

  • Pro:continents are very accurate
  • Con:edges are slightly distorted
11.

WHO USES EQUAL-AREA MAPS

  • truckers use equal area maps
12.

WHO USES CYLINDRICAL

  • Sailors use cylindirical maps
13.

WHO USES CONIC

  • Pilots use conic maps

James Talton