GEOGRAPHY

Let us now study more closely the circulation of ocean currents in the Atlantic Ocean. We shall begin with the North and South Equatorial Current at the equator. The steady ...

Ocean currents are large masses of surface water that circulate in regular patterns around the oceans, as shown in the world map in Fig. 12.9. Those that flow from equatorial ...

Like land masses, ocean water varies in temperature from place to place both at the surface and at great depths. Since water warms up and cools down much more slowly ...

Almost every known chemical element can be found in varying proportions in the oceans whose most characteristic feature is their salinity, in contrast to the fresh water of lakes and ...

The ocean basins are in many ways similar to the land surface. There are submarine ridges, plateaux, canyons, plains and trenches. A section drawn across an ocean (Fig. 12.4) illustrates ...

The oceans occupy more than 70 per cent or 364 million sq km (140 million square miles) of the earth's total area of 510 million sq km (197 million square ...

Having examined the various factors which contribute to the location of industrial districts, we shall now look at the major industrial regions of the world. It is no surprise that ...

Wind erosion, transportation and deposition are most effective and widespread in desert regions, but few deserts in the world are entirely without rain or water. In some deserts, there are ...

Materials that have been eroded and transported by winds must come to rest somewhere. The finest dust travels enormous distances in the air, and may be moved completely out of ...

In the combined processes of abrasion, deflation and attrition, a wealth of characteristic desert landforms emerge. 1) Rock pedestals or mushroom rocks: The sand-blasting effect of winds against any projecting ...