Task 4: Defining terms and recognizing items

A globe is the only “perfect” representation of the Earth’s surface. All maps are distorted in four major ways. The four ways maps are distorted is by the shape, size, distance, and location of the landmasses being mapped. In order to make maps, projections must be made, and different projections require different distortions. For each projection listed below, complete the chart for the correct information. 
Projection
Robinson
Mercator
Azimuthal
Include picture of it:
Purpose

The purpose of Robinson is finding a good consensus on the problem of easily showing the entire globe in a flat image. besides, making world map ‘’looking right’’ rather than measure precisely.
https://www.gislounge.com/common-map-projections/
It is designed for several uses such as navigational charts, but it is the most used even in the educational context.
https://www.britannica.com/science/Mercator-projection
It is useful due to it shows all meridians as straights, with distances from the pole represented correctly. For example, it is used in HF communications.
Distortion - Types?
Is not conformal, tearing occurs, is not equivalent, is not equidistant and it is not azimuthal.
Size and location.
Area and shape.
Distortion - Areas that are more distorted?
The distortion is larger as we move near to the poles.
Areas are more distorted when you get closer to the poles.
Areas are more distorted when you get closer to equator.




















There is more than one version?
No, there is only one version.
- The oblique.
- The Universal Transverse.
- The Transverse
- The gnomonic projection.
- The General Perspective projection.
- The orthographic projection.
- The stereographic projection.
Problems?
The great amount of distortions that can be seen.
It can’t show us the real sizes and locations of the different countries.
Does not show the real shape of countries.
Socio-Cultural
Implications of using it as a learning resource
This type of projection was used by National Geographic Society for general purpose world maps in 1988.

Many web applications use this type of projection as google maps and bing maps.
This type of projection is used for circle sailing due to it makes great circles through the central point which are represented by straight lines on the map.



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