Water, Environment and Pollution

Water, Environment and Pollution
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Water, Environment and Pollution

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Publisher: Agrobios Publications
ISBN: 9788177546576
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Preface All life on earth depends on water. Man uses water for many purposes drinking, irrigation, fisheries, industrial processes, transportation, and waste disposal. The origin of water on the earth is not clear so far. However, the current presumption is that the primordial earth had no oceans, and perhaps very little atmosphere. It is surface through volcanoes, rock movements, and hot springs, condensed to form the ocean and the atmosphere. This way, perhaps this remarkable combination of hydrogen and oxygen - called water - came into being and eventually became an Water found on the surface of the earth in lakes, rivers and oceans is called surface water. It is polluted by various means like biological, physical, chemical, aesthetic and radioactive substances. Therefore it is essential to manage water resources from pollution. Local and community-based water management seems to be an old idea whose time has come again. For too many years, the role of local people has been, if not totally ignored, at least downplayed. Not that the developing world suffered from any failure to see water as a problem, or from the absence of water projects intended to alleviate water scarcity. Only in the last decade the efforts have been made to improve water quality. The present book is an attempt to provide overall information of water, environment and pollution through chapters like Water Introduction , Water Structure, Properties and Quality, Water Habitat Ecology, Drinking Water, Water Rivers of India, Brackish water Resources of India, Soil Water Relationships, Quality of Irrigation Water, Water Management and Irrigation, Water and Aquaculture, Water Setting and Management of Aquarium, Sewage Fed Fish Culture, Water Drought and Flood, Water Conservation, Water Conservation Dams, Watershed Management, Biological and Chemical Oxygen Demand BOD and COD , Water Pollution, Eutrophication, Fluoride in Water, Freshwater Blooms, Treatment of Polluted Water, Water Borne Diseases, Prevention and Control of Water Pollution, Water Collection of Samples, Water Analysis Physical, Water Analysis Chemical, and Water Analysis Biological. The author is deeply indebted to Dr. S. S. Purohit, Ex-Head, Post Graduate Department of Botany, Dungar College, Bikaner for the valuable support. In preparing this book, I have received helps, suggestions and encouragements from various sources, I am grateful to all of them.
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Contents 1
WATER INTRODUCTION .........................................................................1 Water A Valuable Resource ..................................................................................... 2 Importance of Water ................................................................................................. 3 Causes of Water Shortage World and Indian Scenario ...................................... 4 Over Growth of Population .................................................................................. 5 Increasing Demand ................................................................................................ 5 Exploiting Pollution ............................................................................................... 6 Some Alarming Facts.............................................................................................. 6 Indian Facts ............................................................................................................. 7 How to Conserve Water ......................................................................................... 8 Sources of Water ........................................................................................................ 9 Atmospheric Water ................................................................................................. 9