Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds. Lecture 11 causes, effects and control of noise and. Lecture notes water quality control civil and environmental. Discuss the various sources and effects of noise pollution. Water pollution prevention project toolkit this toolkit explores the water pollution potential on. Apr 17, 2020 lecture notes environmental pollution causes, effects and control of air edurev notes is made by best teachers of class 9. Lecture notes for environmental health science students air pollution mengesha admassu, mamo wubeshet university of gondar in collaboration with the ethiopia public health training initiative, the. Water is considered to be polluted if certain substances or physical factors affect the quality of water and functioning of ecosystems and, as a result, the use of water for particular purposes is restricted. It is a reversible reaction where in an iron from solution is exchanged for a similar charged ion attached to an immobile solid particle which is either naturally occurring inorganic zeolite or synthetically produced organic resins. Air pollution refers to the release of pollutants into the air that are. Petroleum products, such as oil and gasoline, enter the water from ships and marine terminals, offshore oil rigs, runoff from parking lots, factories, oil dumping, and other sources.
Join our community just now to flow with the file water pollution and make our shared file collection even more complete and exciting. The summaries were developed for nontechnical audiences to explain clearly what. A comprehensive treatment ofeach ofthese three areas is beyond the scope of a single book, however. Without it, neither we, nor any life as we know it, would exist. Short notes on 5 methods to control water pollution. Applications to water and air pollution, turbulent diffusion pdf. The fact that salmon is absent in a certain river can thus point not only to chemical pollution. Water pollution water pollution is a major global problem which requires ongoing evaluation and revision of water resource policy at all levels international level down to individual aquifers and wells. Project oceanography neighborhood water quality fall 2000 neighborhood water quality lesson 2.
Ce 561 lecture notes set 10 water quality zsources of water pollution highway, airport, or railroad runoff solids, nutrients, heavy metals, oil, and grease flooding construction zimpacts change in surface drainage change in quality of surrounding water bodies level and quality of ground water wetland and wildlife. Initially, water is abstracted from the river, lake or water table, and has a certain quality. Water pollution notes environmental chemistry optional module 1 of water, which is generally called the fresh water pollution. One of the most destructive types is petroleum pollution. Pollution can either be found at the level of superficial water or subterranean water. Effects of water pollution water pollution has a duel effect on nature. Water pollution is a major global problem that requires ongoing evaluation and revision of water resource policy at all levels from international down to individual aquifers and wells. Types and sources of water pollution there are several major types of water pollution. Fresh water pollution may be classified into two types. The addition of undesirable and unwanted material in water which makes water harmful for biotic and abiotic components is called water pollution.
Necessary to examine the potential contribution to atmospheric pollution. Pollution in rivers, oceans, and other bodies of water can. Mar 23, 2020 water pollution class 11 notes edurev is made by best teachers of class 11. Most inorganic acids, bases and salts are good conductors. Pollution of water of natural origin can be caused by decomposition of organic debris, saltwater invading coastal aquifers, water blackening due to landslides, earthquakes, dust erupted from volcanoes. This document is highly rated by class 9 students and has been viewed 14685 times. This document includes summaries of 34 general reporting categories used for epa attains data on polluted waters. Unfortunately, the natural resource defense council states that dirty water is the worlds largest health risk natural resources defense council. The present book is devoted to an indepthanalysis ofthe gen eration and control of air pollutants at their source, which we refer to as air pollution engineering. It is our planets most distinctive, fundamental, and important resource. It has been suggested that it is the leading worldwide cause of deaths and diseases, and that it accounts for the deaths of more than 14,000 people daily. Types and sources of water pollution point sources nonpoint sources biological oxygen demand water qualitywater quality waterwater qualityquality goodgood 8989 do ppm at 20. Temperature affects a number of water quality parameters such as dissolved oxygen which is a chemical characteristic conductivity.
Pollution in chambal river at kota was studied by olaniya et al. Lecture notes environmental pollution causes, effects. Output control removing pollutant after it enters into the environment. After abstraction, water undergoes transformations during its treatment to be able to comply with its intended uses e. The amount of any gas that can be dissolved in water varies inversely with the temperature. This document is highly rated by class 11 students and has been viewed 212 times. Water pollution in rivers contd graphical determination of bod constants laboratory measurement of bod do sag curve effects of nutrients on water quality in rivers 4 learning objectives pdh introduction to water pollution dr. The substances that are responsible for causing air pollution are called air pollutants. C slightlyslightly pollutedpolluted moderatelymoderately pollutedpolluted heavilyheavily pollutedpolluted gravelygravely. Water resources and pollution notes outline environmental. The things which pollute the water are known as water pollutants.
Water h 2o is an essential chemical for life on earth introduction the quality of water can be dramatically affected by pollution. As water is warmed, therefore, it is capable of dissolving less and less oxygen. The effects of pollution on human beings and aquatic communities are many and varied. Example includes washing of clothes, industrial waste from factories, etc. Describe various forms of visual or aesthetic pollution. It has negative effects on the living and also on the environment. Water pollution water pollution is the contamination of water bodies e. Jan 19, 2016 apr 17, 2020 lecture notes environmental pollution causes, effects and control of air edurev notes is made by best teachers of class 9. Water pollution 19 point source pollution nonpoint source pollution. Because of severe water pollution in the 1960s and 1970s. Water pollution is caused by foreign objects and chemicals entering the aquatic ecosystem or when natural chemicals build up in excess amounts. Water pollution shows the addition of foreign substances, either from natural or anthropogenic sources, may be harmful to life because of their toxicity, reduction of normal oxygen level of water, and spread epidemic diseases.
Find materials for this course in the pages linked along the left. View notes water resources and pollution notes outline from environmen 12190 at charles r. Pollution of air and water p aheli and boojho were very excited to hear the news that taj mahal in agra is now one of the seven wonders of the world. In fact, the effects of water pollution are said to be the leading cause of death for humans across the globe, moreover, water pollution affects our oceans, lakes, rivers, and drinking water, making it a widespread and global concern scipeeps, 2009. Sources of water pollution point sources pollutants can be traced to specific sources, such as pipes, sewers, ditches from specific sites nonpoint sources pollutants enter a body of water over large areas rather than a specific, single point of entry, i. Lecture notes environmental pollution causes, effects and. The atmosphere contains 78% nitrogen, 20% oxygen, and a 1% mixture of argon, carbon dioxide, water vapor, and some other trace gasses. It has been suggested that it is the leading worldwide cause of deaths and. How human behaviors affect our natural resources clean water is essential for all humans. Water pollution affects plants and organisms living in these bodies of water. Pollution is a negativeundesirable change in the environment, usually the addition of something hazardous or detrimental. Working knowledgetimeline of key air pollution regulations in u. Organisms that need oxygen to survive will, in such cases, cant be able to survive.
Each site and potential source of pollution should be assessed individually and we advise you to. Water defines our planet, biology, and environment. Water pollution causes approximately 14,000 deaths per day, mostly due to. The presence of a substance in the environment that because of its chemical composition or quantity prevents the functioning of natural processes and. Lecture notes for environmental health science students air pollution mengesha admassu, mamo wubeshet university of gondar in collaboration with the ethiopia public health training initiative, the carter center. So, coliform group serves as indicator of contamination of water with sewage and presence of. Water pollution control a guide to the use of water. Sources, types, and effectstypes, and effects water pollutionwater pollution is any chemical, biological,is any chemical, biological, or physical change in water quality that has aor physical change in water quality that has a harmful effect on living organisms or makesharmful effect on living organisms.
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