Notes and Study material for Exams
The radial centrifugal drainage system of Jharkhand state has number of rivers. Most of these rivers remain relatively dry during summer months (February-May) but exhibit torrential flow during the months of monsoons (June-September). Jharkhand has a vast potential for generating hydel power as is exemplified by the location of the famous Damodar Valley Corporation … Read more
Gujarat have west flowing rivers of the country. These rivers form deep gorges and do not form deltas at the mouth of the river. Gujarat has many rivers; the four major rivers are mentioned here: Narmada, which originates at Amarkantak plateau and merges into the Arabian Sea at the end of its journey. For Hindus, … Read more
Demographically it’s the increase in Population of cities and towns ,while sociologically it’s the spread of urban way of life to the country side . Urbanization in India has occurred more slowly than in other developing countries and the proportion of the population in urban areas has been only 28 per cent based on the … Read more
Water Resources in India India accounts for about 2.45 per cent of world’s surface area, 4 per cent of the world’s Water Resources and about 16 per cent of world’s Population. The total water available from Precipitation in the country in a year is about 4,000 cubic km. The availability from surface water and … Read more
Sanitation and Water Disposal The seriousness of the challenges associated with urban Water supply and sanitation in India have been recognised in recent times. After decades of neglect, the first national effort to invest in the urban water and sanitation sector commenced in the 1970s, but was accorded considerable priority in the subsequent two decades … Read more
Water supply and sanitation Issues related to water supply in India Variability in water availability India faces large temporal variability in water availability, leading to, among other issues, disasters such as floods and droughts. Due to monsoon Climate in India, more than 70% of the annual Precipitation takes place in a limited period of about … Read more
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
Sanitation and Water Disposal The seriousness of the challenges associated with urban Water supply and sanitation in India have been recognised in recent times. After decades of neglect, the first national effort to invest in the urban water and sanitation sector commenced in the 1970s, but was accorded considerable priority in the subsequent … Read more
Environmental problems related to INFRASTRUCTURE-development/”>Infrastructure Development Infrastructure is essential for increasing economic progress and reducing POVERTY. The choices made in the type and scale of infrastructure Investment also have major implications for environmental sustainability. Land New infrastructure typically involves land use change and the selection of the site and its proximity to human … Read more
Waste Water Management Water, food and energy securities are emerging as increasingly important and vital issues for India and the world. Most of the river basins in India and elsewhere are closing or closed and experiencing moderate to severe water shortages, brought on by the simultaneous effects of agricultural Growth, industrialization and Urbanization. … Read more