Maps and globes

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    15-Jan-2017
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Transcript of Maps and globes

MAPS AND GLOBES

MAPS AND GLOBES

GLOBESA globe is a small-scale three dimensional MODEL OF THE EARTH.

It is mounted on an axis so that it can e rotated freely just like an earth.

The line of latitude and longitude are drawn on map.

ADVANTAGE AND DISADVANTAGE OF GLOBEShows exact shape of the earth- spherical slightly flattened at the poles and bulging at the equator.

The shape f continents and oceans are shown accurately.

The different physical features are also marked more ore less accurately.

Bulky and can not be stored easily

It can not show the details of landforms and location of small towns.

It can not provide detail information about climate, vegetation agriculture etc.

Although larger globes show some details they are difficult to carry and handle

MAP A map is a essential tool of a geographer.

It is a representation of a earth as whole or part of the earth drawn on a flat surface.

It can show continents courtiers cities and even a local area with all details

A map how ever has a disadvantages.

A flat map can not accurately show the curved surface of the earth.

When a map is drawn the shape and size get distorted.

The maximum distortion occurs in the region of poles and less at equatorial region.Its not a new phenomenon and has been practiced since the ancient times. They were made from animal skin parchment papyrus and clay tablets

PAPYRUSPARCHMENT

6

The science of map making is called as CARTOGRAPHY (Carte- in French means MAP graphic- DRAWING).

A person who draws map is called as CARTOGRAPHER.

Cartographer show the curved surface of the earth on a flat map is known as MAP PROJECTION.

POLITICAL MAPS

PHYSICAL MAP

Climatic map Shows weather condition like temperature, pressure wind direction and rainfall

Thematic map Shows the distribution of forest, crops, minerals and vegetation.

USES OF MAP

SKETCH

PLAN