Introduction to acid rain normal rain water is always slightly acidic because c02 present in atmosphere, get dissolved in it form carbonic acid. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain. Although the number of vehicles, plying in indian cities including metropolitan is still insignificant as compared to the. Lake acidification and fish loss in the adirondacks, green mountains, and sierra nevada make national news. Acid rain acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. Acid rain in environmental engineering free pdf download. Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions low ph. Evs projectpresentation on water pollution in rivers and ganga action plan.
The widespread occurrence of acid rain was recognized only in 1980. Pollution can come in 4 different types affecting different types of areas in the world. Pollution occurs when any form of impurity is introduced into. Introduction the composition of unpolluted air is unknown to us. Acid deposition can reduce the ph of surface waters, lower biodiversity, and increase the susceptibility of. Acid rain is caused by the emissions of sulfur dioxide so2 and nitrogen.
Ge6351 environmental science and engineering evs syllabus unit i environment, ecosystems and biodiversity. The effect of pollutants to the environment is reflected globally in climate change, at the regional level in the emergence of acid rain and locally in the appearance of smog. Conclusion acid rain is a very serious, and dangerous issue that plagues our world as we know it today. Make enough copies of the student data sheet for each student. The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other. When the water gets polluted, then the fish get sick and end up. May 10, 2008 as of the year 2000, the most acidic rain falling in the us has a ph of about 4. The acidification of rain has become more severe in recent years and its effects on the ecosystem are causing problems. They will explore where it comes from, what effect it has, and how weather patterns impact. Air plays a vital role not only in nature but also in the lives of human beings and all living organisms. Hand out student data sheets and go over concepts listed under the lab background section.
Acid rain can damage plants, animals, soil, water, building materials, and people. Evs project on rainwater harvesting calcutta university 1. The importance of conserving wildlife and ways to do so. Scientists have discovered that burning fossil fuels creates acid rain through air pollution. Smith in 1872 from his studies of air in manchester, england. Abhilash jangiry10uc012 yogesh sharma,y10uc366 nikhil malpani,y09uc257 sumit kumary10uc332. Many types of extreme weather events, such as heat waves and regional droughts, havebecome more frequent and intense during the past 40 to 50 years. Download ge8291 environmental science and engineering lecture notes, books, syllabus parta 2 marks with answers ge8291 environmental science and engineering important partb 16 marks questions, pdf books, question bank with answers key. Acid rain is any form of precipitation that contains acidic components, such as sulfuric or nitric acid. Acid deposition can reduce the ph of surface waters, lower biodiversity, and increase the susceptibility of plants to disease and other stressors. Acid rain was discovered in the 19th century by robert angus. This project allows your students to get a handson look at possible sources of acid rain in their area. All presentations are compiled by our tutors and institutes.
Definition, scope and importance of risk and hazards. Acid rain is the term given to increased acidity of rain due to the effects of gases from. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including, evs project topics for 12th std commerce, quarry, aggregate, and different kinds of minerals. Make enough copies of the acid rain lab procedure so that each lab table has enough for the student teams. Sulphur dioxide so 2 is a colourless gas with a pungent, suffocating odour. Pdf ge6351 environmental science and engineering evs. There are mainly four types of pollution air, water, soil and land. It is formed when sulfur dioxide and carbon dioxide mix with the water in the atmosphere creating sulfuric acid and carbonic acid. Some of these gases especially nitrogen oxides and sulphur dioxide react with the tiny droplets of water in clouds to form sulphuric and nitric acids. Acid rain is a rain or any other form of precipitation that. Jan 23, 2020 acid rain is also called acid deposition because this term includes other forms of acidic precipitation such as snow. Nov 04, 2017 ugc net acid rain for first grade, net,reet,tet,etc all exam duration.
The ion chromatograph is suited to the measurement of these ions, as it offers highly sensitive simultaneous analysis. In particular, acid rain falling over the oceans is rapidly neutralized by the large supply of co3 2ions chapter 6. Acid rain is one of the major environmental threats since 19th century. Since the early20th century, earths average surface temperature has increased by about 0. However, many believed that acid rain and the air pollutants that caused it posed a. It is most often used in an environmental concept like air or water pollution.
Pollution occurs when any form of impurity is introduced into a clean source. Smith, a pharmacist from manchester england, who measured high levels of acidity in rain. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids. Acid deposition or acid rain occurs when emissions of sulfur dioxide so 2 and.
Acid rain is having harmful effects both on people and on. Nowadays, acid rain has become the talks of the day. Acid rain is a local environment pollution but global concern. Acid rain also damages man made mate rials and struc tures. It is almost worse in water than on land because the fish that are in the water need the water to breathe. Chemical hazards, physical hazards, biological hazards in the environment concept of an ecosystem structure and function of an ecosystem producers, consumers and decomposersoxygen cycle and nitrogen cycle energy flow. Ugc net acid rain for first grade, net,reet,tet,etc all exam duration. The procedures and measures to reduce environmental pollution. Today every body has a craze for having own vehicles and in most of the cities automobiles are rapidly becoming the main source of air pollution. Acid rain produced crops can be polluted as well damage to the forests and trees affect the animals that drink water in a river or lake.
Introduction millions of people throughout the world do not have access to clean water for domestic purposes. Acid rain affects the life in the water as well as the life on land. Because we have given more than 30 ppt in one place. Acid rain is a very serious, and dangerous issue that plagues our world as we know it today. The national atmospheric deposition program measures wet deposition, and its web site features maps of rainfall ph follow the link to the isopleth maps. The united states and canada begin study of crossborder acid rain transport. It can have harmful effects on plants, aquatic animals and infrastructure.
Acid rains ph, and the chemicals that cause acid rain, are monitored by two networks, both supported by epa. Comprehensive collection of powerpoint presentations ppt for evs. Scribd is the worlds largest social reading and publishing site. Brocksen university of wyoming laramie, wyoming international concern about acidic precipitation as a possibly serious, widespread pollution problem with severe ecological consequences has increased the pace of acid rain research in the. The presence in or introduction into the air of a substance which has. The environmental studies notes pdf es notes pdf book starts with the topics covering need for public awareness, natural resources and associated problems, structure and functions of an ecosystem, ecosystem diversity, solid waste management. Project on acid rain sulfur dioxide nature free 30. Acid rain building, river, effects, important, largest, types, plants. Global warming is a phenomenon that could lead to major climatic disturbances, drying up of rain over large areas, and melting of the ice caps leading to countries like maldives disappearing completely and india and bangladesh losing a large part of their coastline. Environmental studies pdf notes es pdf notes smartzworld. Project report on acid rain environmental pollution. Project ozone layer depletion pdf the stratospheric ozone layer forms a thin shield in the upper atmosphere, protecting life on earth from. Living organisms can survive without water for some time but cannot survive without air because when we breathe then we intake oxygen from air and releases carbon dioxide, if this procedure does not take. Mechanisms and effects of acid rain on environment.
Global warming refers to the rising average temperature of earths atmosphere and oceans,which started to increase in the late 19th century and is projected to keep going up. The negative impacts of deforestation and awareness in this regard will give an acceleration to afforestation, social forestry etc. This project allows your students to get a hands on look at possible sources of acid rain in their area. Study the causes, effects, along with a few examples and understand the prevention measures. Acid rain and its effect in hindi evs lectures youtube. Various global problems like green house effect, global warming, acid rain etc. Wet deposition is any form of precipitation that removes acids from the atmosphere and deposits them on earths surface. Animal feeding operations afos regulated under npdes permitting program. Electricity heats and lights buildings and runs appliances such as televisions and video. The presence in or introduction into the air of a substance which has harmful or poisonous effects.
Dec 23, 2014 evs project on rainwater harvesting calcutta university 1. Evs presentation 1 free download as powerpoint presentation. Project report on the impact of acid rain on environment. Project on acid rain sulfur dioxide nature free 30day. Causes, effects and control measures of urban and industrial waste, resource consumption patterns. Pollution occurs when any form of impurity is introduced. Conclusion acid rain and its effects on the environment. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including, evs project topics for 12th std commerce. Acid rain forms when certain atmospheric gases primarily carbon dioxide, sulphur dioxide, and. Acid rain is made up of water droplets that are unusually acidic because of atmospheric pollution, most notably the excessive amounts of sulfur and nitrogen released by cars and industrial processes. The sulfur dioxide and carbon dioxide are both released in large amounts through the burning of different. People burn fossil fuels such as coal and oil to make electricity.
Humans have lived on the planet thousands of years and influenced the composition of the air through their many activities before it was possible to measure the constituents of the air. Although the number of vehicles, plying in indian cities including metropolitan is still. Biodiesel made from vegetable oil has a better lubricating quality and can help solve engine wear problems without increasing acid rain. Some of the major air pollutants that pollutes the environment are. Once it reaches the ground, the acidity in the substance can harm and even destroy both natural ecosystems and manmade products, such as car finishes. Rain is called acid rain only if it has more acid than normal. Acid rain is also called acid deposition because this term includes other forms of acidic precipitation such as snow. Evs project on rainwater harvesting calcutta university. Pdf ge8291 environmental science and engineering lecture. In many parts of the world conventional piped water is either absent, unreliable or too expensive. Acid rain, precipitation possessing a ph of about 5. By re ducing the emis sion of the precu rsors of aci d rai n and t o s ome exten t by liming, th e problem of acidif ication.
Analysis of anions in rain water acid rain the acidification of rain has become more severe in recent years and its effects on the ecosystem are causing problems. The united states is called upon to reduce emissions of so2 and nox, especially from coalburning power plants. Air pollution ppt and pdf for free download study mafia. The main causes of acid rain are gases called sulfur dioxide so2 and nitrogen oxides nox. Acid rain comes down to the earth in the form of rain, snow, hail, fog, frost, or dew.
1396 760 1194 1153 84 1257 1392 727 271 809 33 75 324 150 1136 1101 1357 519 1414 608 227 228 653 1497 1414 866 683 327 1005 1529 1407 1233 1062 689 14 529 1350 1189 1289 1064 708 1354 1124