Notes and Study material for Exams
Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by Microorganisms using Oxygen. Water having DO (dissolved oxygen) content below 8.0 mg/L may be … Read more
Rivers of Chhattisgarh adorn the Indian state and shapes the affluence of the region. The rivers of Chhattisgarh are of much significance to the state from a stand point of economic, social, political and religious views. Chhattisgarh, situated amidst lush green hills and plateaus, is interspersed with several rivers that flow through the state. … Read more
Civilizations have always flourished near sources of water. Since time immemorial,reservoirs are being constructed for domestic, drinking and Irrigation needs. There is a large variationin monsoon pattern. Therefore, storage of water is a prime need of Chhattisgarh. The history of waterstorage in reservoirs in the state goes back to the Kalchuri dynasty of 12th … Read more
Scientific Water Harvesting What is Water Harvesting It means capturing rain where it falls or capturing the run off in your own village or town. And taking measures to keep that water clean by not allowing polluting activities to take place in the catchment. Therefore, water harvesting can be undertaken through a variety … Read more
Soil fertility depleted, the rivers polluted and the forests destroyed. The Indian Scenario India constitutes 18 per cent of the world’s Population, 15 per cent of the live stock population and only 2 per cent of the geographic area, one per cent of the forest area and 0.5 per cent of pasture lands. … Read more
Techniques of Irrigation and Soil conservations and soil Health cards Techniques of irrigation Surface Irrigation In this method water flows and spreads over the surface of the land. Varied quantities of water are allowed on the fields at different times. Hence, flow of water under surface irrigation comes under unsteady flow. As a … 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
Safe drinking water is the birthright of all humankind – as much a birthright as clean air. The majority of the world’s Population, however, does not have access to safe drinking water. This is certainly true in most parts of Africa and Asia. Even in relatively advanced countries such as India, safe drinking water … Read more
Irrigation and Hydropower Projects of Andhra Pradesh Geographically, Andhra Pradesh is in peninsular India consisting of coastal belt on the east and Rayalaseema in the south-west. Therefore, Andhra Pradesh has the advantage of having most of the east flowing rivers in the state bringing in copious supplies from the Western and Eastern Ghats and up … Read more
Scarcity of water Water scarcity is possibly to pose the greatest challenge on account of its increased demand coupled with shrinking supplies due to over utilisation and pollution. Water is a cyclic resource with abundant supplies on the globe. Approximately, 71 per cent of the earth’s surface is covered with it but fresh … Read more