Notes and Study material for Exams
Erosion and runoff management in hilly, foot hills and valley lands; processes and factors affecting them Soil erosion due to water is a major concern in all the northern hilly states of India in general and Uttarakhand in particular. The peculiar terrain condition and high rainfall in the state pose a serious problem … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Water cycle, also called hydrologic cycle, cycle that involves the continuous circulation of water in the Earth-Atmosphere system. Of the many processes involved in the water cycle, the most important are Evaporation, Transpiration, condensation, Precipitation, and runoff. Although the total amount of water within the cycle … Read more
The Silent Erosion: Understanding and Combating Sheet Erosion Sheet erosion, a seemingly innocuous process, silently steals away the fertile topsoil that sustains our agricultural lands and ecosystems. This insidious form of soil degradation, often overlooked in favor of its more dramatic counterpart â gully erosion â poses a significant threat to global food security and … Read more
Eutrophication is a syndrome of ecosystem, response to the addition of artificial or natural substances such as nitrates and phosphates through fertilizer, sewage, etc that fertilize the AQUATIC ECOSYSTEM. The Growth of green algae which we see in the lake surface layer is the physical identification of an Eutrophication. Some algae and blue-green bacteria … Read more