Continental drift theory by Alfred Wegener (1912) is regarded as the source of most ideas which lead to formation of plate tectonic theory. Wegener was a climatologist. He found fossils of those animals in a climatic region where they should not be. For instance, if you find fossils of penguins (which live in cold climate) … Read more
Deccan Plateau is a plateau in Southern India with an average elevation of 600 Meters from the sea level and area of 800,000 square kilometers. Deccan Plateau is located in the peninsular part of plateau. Eastern Ghats and Western Ghats forms its eastern and western borders on the east and the west, respectively. The River … Read more
Nicolay Vavilov introduced his ideas on the origin of different agricultural crops in the year 1951. He took a leaf from Darwin’s book and hypothesized that the most fit plants stay alive even after many bouts of succession. Some of these plants were useful for human consumption, therefore, they started growing them as crops. The … Read more
Thomas Malthus was a demographer and economist. His main interest was in studying the impact of growing population on the economy of a country and welfare of its people. Malthus explained his theory of population growth in “An Essay on the Principle of Population” published in 1798. Malthusian theory of population growth is based on … Read more
What is Remote Sensing? Remote sensing (RS) is the acquisition of information about an object or phenomenon without making physical contact with the object. It involves the use of sensors to record the Electromagnetic Radiation reflected or emitted from the object itself. Further, the information collected through RS can be used to create a digital … Read more
Brock Webb argued that a particular phenomena dominates the cultural landscape. He considered religion to be the largest dominant cultural trait which defines the other cultural traits of a region. Above all, he argued that the cultural distinction is lost once the effect of the religion is withdrawn. Webb divided the world into four major … Read more
Cultural geography is the study of impact of environment on cultural landscape and vice-versa. In simple words, the cultural geography studies the way environment and human culture shape each other across different regions of the world. Carl O Sauer is considered the Father of Cultural Geography. Culture in geography is not just the way of … Read more
Concept of Cultural Hearth is associated with Carl O Sauer. Cultural hearths are geographic areas from where the major cultures of the world have originated. In other words, these are also the centers of scientific, economic and political innovation. Later, these innovations diffused from these regions to the rest of the world through trade, invasions, … Read more
Coriolis Force and Pressure Gradient Force (PGF) along with Frictional Force are three important forces which determine the direction, speed and curvature of winds both horizontally and vertically. What is Coriolis Force? Coriolis force is the force which is exerted by the rotating Earth on the objects moving on its surface. For example, any moving … Read more
Isopleths are the lines which connect the areas with same values of a given parameter. For example, we use isopleths or isolines for mapping atmospheric pressure, temperature, rainfall etc. To clarify, please note that the units of measurement are different for different parameters. Some of the important isopleths are as following. Types of Isolines 1. … Read more