Topography

GEOGRAPHY



Fundamentals of Maps
THE SPHERICAL priming is best represented bya 3-dimensional model of the earth, called a globe. All parts of the earth piece of ass be shown on it in their true shape, bea and attitude along with correct cardinal directions and distances. But it cannot be make large enough to include detailed surface features. Hence, stand fors are much more useful tool than globes.
A map is a two-dimensional diagrammatic representation of the whole or part of the earth and its surface features both natural and ethnical at a given scale on a flat surface. However, all that is shown on the map is not emaciated to scale. Only distances and areas are drawn to scale. We are familiar with the maps of the earth surface. But it is possible to draw maps of other planets and even the thumb when pertinent data becomes available to us. We already have gross(a) maps of the Mars and the Moon. A map gives a picture of adept or several of the elements of the earths surface and macrocosm creation of humans, it gives only those detail, which its maker intends to give. Instead of showing the details in their true or visible shape and size, it uses symbols that whitethorn or whitethorn not have similarities with the shape and size of objects represented. Maps have unique advantage of showing objects or patterns that may be intangible or invisible.



For example, it may show governmental boundaries or rainfall pattern or crop distribution, which may not be marked on the ground. Thus, maps are fundamentally symbolic drawing of visible as well as conceived locational and distributional patterns of whole or a part of the earth, the throw or any other heavenly body.
There are various ways by which the earth can be mapped:
(a) by freehand sketches and diagrams;
(b) by actual survey with the financial aid of instruments like chain and tape, plane table, prismatic compass and transit etc.;
(c) by photographs (ground photographs/aerial photographs);
(d) by satellite and radar charts.With the availability of high-speed...If you want to get a full essay, launch it on our website: Orderessay



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