COASTAL FEATURES OF EROSION
1) Capes and bays: On exposed coasts, the continual action of waves on rocks of varying resistance causes the coastline to be eroded irregularly. This is particularly pronounced where hard rocks, e.g. granites and limestones, occur in alternate bands with…
THE MECHANISM OF MARINE EROSION
The most powerful agents of marine erosion are waves. Their origin is due to the sweeping of winds over the water surface, which sets a series of undulating swells surging forward. These become higher and swifter. A normal wave in…
LANDFORMS OF WIND EROSION IN DESERTS
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 rock masses wear back the softer layer so that an…
THE MECHANISM OF ARID EROSION
Arid landforms are as a result of many combined factors, one reacting upon the other. Insufficient rainfall, often less than 127 mm (5 inches), coming at most irregular periods, coupled with very high temperatures (31°C/87°F, is the average) and a…
EDAPHIC FACTORS AFFECTING AGRICULTURAL PRODUCTION
1) Soil pH It affects the growth of plants. It also affects the availability of soil nutrients to plants. It affects the presence of soil microorganisms. It causes toxicity to plants and animals in the soil. 2) Soil Texture…
SOIL EROSION AND DESERT ENCROACHMENT
Soil erosion is defined as the removal of the top layer of the soil through various agents like water and wind. Types of Soil Erosion There are two main types of soil erosion. These are: Soil Erosion Caused by…
EROSION CONTROL TECHNIQUES AND WEATHER INFORMATION UTILIZATION
Erosion control techniques are fundamental for the protection of water quality. Soil stabilization and erosion control practices are needed and should be used in areas where soil is exposed and natural vegetation is inadequate. Bare ground should be covered, typically…
Study Guide
