Month: February 2024

Sand Dunes The strong action of wind generally deposits sand in the form of mounds. These sand mounds are known as “Sand Dunes”. The sand traveling as a bed load in the wind accumulates wherever it meets any obstruction, such as a boulder or a bush. As the accumulation of sand grows, it traps even more sand. In this manner, dunes are created. Sand dunes have a gentle slope (5° […]

The air current in motion is called “wind”. The wind is an important agent of erosion, transport and deposition. Its work is particularly seen in arid regions. Wind Erosion Although wind erosion is not restricted to arid and semiarid regions, it does its most effective work in these areas. Wind does erosion in three ways: (i) deflation, (ii) abrasion, (iii) attrition. (1). Deflation: Lifting and removal of loose material by […]

The word Geography has been derived from the Greek word “Geographia”, which consists of two words “Geo” and Graphia”. Geo means the Earth, and Graphia means to write. Collectively Geographia means “Earth Writing”, or Writing about the Earth. The word Geographia was first used by a Greek Philosopher “Eratosthene”, who lived from 274 BC to 194 BC. Geography is a systematic study of the Earth. Before the introduction of the […]

Introduction to Erosion Erosion is a natural geological process that involves the removal and transportation of disintegrated soil and rock particles, or sediment from one location to another by the action of various erosional agents. These agents include water, wind, ice (glaciers), or gravity. It plays a significant role in shaping and featuring the Earth’s surface over long periods of time. Erosion can occur in different environments and landscapes, including […]

Depending upon their mode of formation, the soil deposits have been broadly grouped into two classes: (i) residual soil deposits, and (ii) transported soil deposits. What are different types of Soils? Residual Soil Deposits In plain areas, the products of rock weathering continue to accumulate in places over the parent rock masses and give rise to a “residual soil deposit”. As the action of weathering decreases with depth, such soil […]

The process of Soil formation, which is also known as pedogenesis, is a complex natural phenomenon. It is influenced by various factors such as climate, parent material, topography, organisms, and time. But here we will discuss pedogenesis in different climatic regions. In each region, climate plays a significant role in shaping soil characteristics, resulting in distinct soil types. Here’s a brief overview of how soil formation varies in different climatic […]