Essays on Surface Runoff

Deforestation is the act of clearing the greenery and vegetation on Earth on a large scale. It occurs when trees and entire forests are cut down and cleared away for various purposes. This brings a lot of damage to the Earth’s surface, simultaneously creating environmental problems as well. Forests account for 30% of the Earth’s land, and they are an asset to the world’s ecosystem, however, much of this area is cleared away and vacated by mankind to serve their purposes. Although deforestation is done for needs such as housing, residence, mining, shopping and other means, ...

Abstract

Land and rockslides are natural disasters that threaten people living in the Sultanate of Oman. In this paper, the fundamentals of disaster management are identified from their causes. First, the aspect of slope stability is covered. The involvement of this information follows the need to appreciate the vulnerability of mountainous regions to mass movement. The causes of mass movement are also explained. Further, the risks of rock and landslides are expanded with the intention of directing the focus of the paper. To be objective, the paper progresses to a review of the measures employed by the government of Oman ...

Stratospheric Ozone Depletion

Ozone depletion is a natural phenomenon of the earth’s stratosphere due to the presence of free radicals that are from natural causes such as volcanic activity. However, as man evolved, he discovered his environment and built industries during the industrial revolution. These industries emitted tones of pollutants into the atmosphere, including compounds Ozone Depleting Substances. The continuous use of CFCs also contributes to the effect significantly. The worst case of ozone depletion ever recorded happened in 2006, during winter and early spring in Antarctica. That sounded a loud alarm to environmental scientists, political leaders and civil organizations come ...