Found 23 Articles for Theories & Models in Geography

Scientists and philosophers all over the Earth from time to time, on unravelling the mystery of the Origin and evolution of our Solar system in general and our Earth in particular propounded various theories, hypotheses and concepts. However, these theories could not be accepted by a greater scientific community on the whole. Apparently, there is no consensus among the scientists about the origin of solar system and our Earth. Nevertheless, they safely concluded that the Earth would have been formed by the same process as the Solar system. Historical Background In earlier days, religious believes were prevailed to reason ... Read More

The Demographic Transition Model is the simplest way to depict the demographic history of a region or country. This model is the product of observations regarding population growth and development across numerous countries throughout the world. The Demographic Transition Model believes in the strong association between the birth and death rates on the one hand and industrialization and economic development on the other. Historic Background Post industrial revolution and agricultural advancements, human geographers became very keen in studying the change in population across the world. In the year 1929, Warren Thompson, the American demographer published his work on demographic transition ... Read More

During the successive episodes of geological time, there were large-scale, split of a big landmass (known as Pangea or Supercontinent) into several small pieces and subsequent slow horizontal movements of these pieces of landmass relative to one another and to the ocean basins, studied as Continental Drift Theory. What does Exactly Continental Drift Theory Explain? The continental drift theory is a postulate that explains the movements and process of movements of the Earth’s different landmass (more commonly known as continents). It explains, how the different continents have moved and have been still moving from the millions of years. ... Read More