What doesn’t get solved through this process is the depth of water that might be available downstream. Rivers provide life-sustaining supplies of water and important nutrients for living organisms around the world, including humans, plants and fish. Each approach has its advantages and disadvantages. RE: Interlinking of rivers in India â Advantages & Disadvantages -Deepa Kaushik (07/21/15) Interlinking of rivers has its own pros and cons. Rivers have the potential to provide a wide range of benefits to society but are often exploited to deliver a narrow range of objectives, to the detriment of river health and other human needs (i.e. 2. The United States is in second, but far behind at 9,200. Dams can have an adverse impact on the groundwater table. The increase in the production of greenhouse gases is significant because methane is up to 20 times more potent as a reflector than carbon dioxide. When drought is a significant issue for a community, then a reservoir that’s behind a dam can be a vital resource. Tailings are very toxic. It is not unusual for communities in the United States to obtain their entire supply from streams or rivers that are close. During flood season, the flow of water in the downstream can be controlled by a dam. This outcome allows the population centers in that region to collect fresh water during periods of heavy precipitation for use during a dry spell or drought. That means it is more challenging for plant roots to reach what is required for survival. In some river systems, like the Nile, the flooding was both season and relatively gradual, making it excellent as an irrigation source. Many reservoirs also host invasive species, such as algae or snails, that undermine the natural communities of the plants and animals that lived on the river before. 10. We can use large canals, pipes, and other methods of transportation to ensure that every home has access to safe and clean drinking water. Taking all these into consideration, the Government of India started the river interlinking project for various rivers. The rivers are the major source of freshwater. In some situations, dams can even provide enhanced environmental protection. People residing in villages and towns in the nearby area, where there are chances of flooding, have to be relocated. When vegetation gets engulfed in water, then the plants will eventually die. 1. They were made of masonry or concrete that could resist the water load because of their weight. Although this approach is imperfect, the updates to this engineering process have had some benefits. Removing river bank soils disturbs the habitat of river bank fauna such as otters and water voles." To get regular update and new article notification please subscribe us. The storage of water in reservoirs can be beneficial in many aspects. The construction of a dam is a costly investment. And thatâs kind of the point when you live near the water. These structures might be coming down in the United States, but they are going up all over the rest of the world. Discharge in the river reduces meaning there is less risk of flooding downstream. Engineers over the past 6 years have steadily corralled the river so that the facility can generate 305 megawatts of electricity annually. That means a dam can provide a buffer to an entire region against extreme weather events or irregular precipitation patterns. 3. This enhances the increment of the food supply. It can make the water too shallow for navigation. These destinations can be the perfect place to have a picnic, go hiking, and spend time with your family. The Reventazon Dam in Costa Rica tells a very different story. That means the supply from the same river in the neighboring country is no longer under their direct control. Dams create a flooding issue behind the structure as a way to form a reservoir. Because the water stored behind a dam in a reservoir is fresh, we can use it as a source of drinking water for nearby towns and cities. We can divert excessive precipitation toward municipalities for fresh drinking water, create more irrigation opportunities, and meet a variety of energy-related needs. When this outcome occurs, the dead organic material releases methane that ultimately makes its way into the atmosphere. The environmental agency monitors rivers and issues warnings â¦ Hydroelectricity is responsible for 19% of the world’s energy supply, offering over 3000 terawatts each year. Dams can also be formed in the sea where the tidal range is high and thus generate tidal power. Dams can provide us with a wide range of economic, environmental, and social benefits. 5â¦ The riverbeds that are downstream from a dam can erode by several yards within the first decade of operations. 1. This technology disrupts local ecosystems. After proper treatment supplied water can be used for drinking. Disadvantages . Limited Area of Operation:. Tens of thousands of jobs are directly tied to crop production and other agricultural activities that happen because of this benefit. sure rivers provide fish and clean water but, they can easily be overflowed with too much rain and ,with excessive activity and little rain, can become dry for many months. The first dams that humans created were considered gravity dams. Starting with the Indus River Valley which spanned from around 2500-1500 BCE, the tactics used to combat geographical obstacles seemed to be carried out into the future, such as creating dams or reservoirs As Ancient Greece began to flourish, the struggle of isolation was created by the large mountains everywhere in Greece. In order to create canals and reservoirs, there will be mass deforestation. It also reduces congestion of runoff in plains and coastal lands. Dredging of the channels, which often accompanies straightening makes the riverbed deeper and stops the river from overflowing its banks. They provide water to slake the thirst of men, to fertilize their lands, to provide a means of communication for the goods that transport from place to place, provides food, energy, recreation, and of course water for irrigation and for drinking. Dams ensure the benefits of improved health and life by supplying clean water, improved quality of sanitation, increased food (crop & fish) production, irrigation supply, protection of lives and goods from flood jeopardy, generation of electricity, tailings of mines and controlling the debris as well as the recreation and environmental benefits of the reservoirs. As climate change continues to progress, the patterns of El Nino and La Nina in the Pacific Ocean will continue to increase. This issue also changes the settlement profile so that marches and wetlands no longer receive the healthy supports from the river that they need. The rivers, especially the big ones can cause a lot of mayhem, When they flood, they destroy the livelihoods, They cause economic damage and they kill the people. Thunderstorms advantages and disadvantages. That means local agricultural activities go through a disruption process, even though the eventual increase in available water supports more irrigation. Archaeologists believe that the structure was 37 feet tall and almost 350 feet wide at its crest. When the Banqiao Reservoir Dam failed in 1975 in China, it caused an estimated 171,000 deaths. 6. 19 Advantages and Disadvantages of Dams . 1. of dams such as: We hope this article enlightens dam problems and solutions. This technology has the capability of delivering hazardous materials retention or reducing the influence of sedimentation on vulnerable rivers. Although this engineering structure gets commonly associated with the production of hydroelectric energy, we also use them for a variety of different purposes. Dams can block water progression to different states, provinces, and countries. Please note that the information in Civiltoday.com is designed to provide general information on the topics presented. We can produce power from dams because of the kinetic energy of the water movements as it causes turbines to spin. The water supply through dams enables people to drink pure water. Rivers have been extremely helpful to men in all parts of the earth from the very early times. Coastal erosion is enhanced because of the loss of debris transportation. It gives regions that generally wouldn’t have water access a place to have a boat launch that supports commercial fishing activities. Dams can be used to store tailings to ensure the protection of the environment from being polluted. The cost of a large dam today can be over $20 billion, and it may take between 7 to 10 years to complete its construction. It is a Civil Engineering project which aims to join Indian rivers by several canals. 4. We also hope that policymakers will consider environmental problems caused by dams during the construction of future dams. 7. Wastes from mining are called tailings. Once the dam gets entirely constructed, we no longer have a dependence on fossil fuels to be responsible for the energy we need to maintain a modern lifestyle. Dams help to prevent property loss while reducing the risk to human life from annual flooding events. Interlinking of Rivers: Floods and Droughts are two major disasters of India. This disadvantage can result in severe issues between neighbors, creating a constant source of conflict that can sometimes even lead to war. Boating, skiing, camping, picnic areas, and boat launch facilities are all supported by water dams. Disadvantages of interlinking rivers are: 1. Several advantages and disadvantages of dams are worth reviewing when we look at the immediate and long-term impacts of this technology. These structures can impound the floodwaters into the reservoir behind the dam, allowing us to release them under control or to store it for future use. Disadvantages are unpredictable flooding, and lose homes/lives/crops. 8. There are more than 1,300 mine tailings impoundments in the United States. Mount Polley is a mine tailing dump of British Columbia, Canada. There are no advantages or disadvantages to the names of rivers, your question is meaningless in that respect. We might use dams to provide us with a form of flood control, but the failure of this structure can have devastating consequences for downstream communities. Dams are advantageous in different aspects. what is a dam - A dam is a hydraulic structure constructed across a river to store water on its upstream side. Flooding is the greatest risk for riverfront property owners. Hydropower generation is non-consumptive nature. Many social benefits derived from rivers are dependent on good âall 6. Little or no maintenance is required which makes this a low-cost solution. The obvious advantages of straightening of rivers to navigation are the following: 1. Once constructed, electricity is generated from dams at a constant rate. Disadvantages of Multipurpose Project 1. There also tends to be a significant buildup of organic matter in the sediment with this disadvantage, resulting in potentially carcinogenic trihalomethanes when the water gets chlorinated for drinking purposes. Dams create a flooding risk if they experience a failure. In ancient China, however, that was a different situation. Lake district status may be appropriate when the following circumstances exist: Our food distribution networks remain active and consistent because of this advantage, and it allows us to do more with our growing efforts than if we relied on seasonal precipitation patterns alone. Interlinking of rivers will cause huge amount of distortion in the existing environment. That means this technology is going to be in the past for some populations, but it will also be the future for others. This disadvantage can result in severe issues between neighbors, creating a constant source of conflict that can sometimes even lead to war. Homeowners in the vicinity must also dig deeper wells to draw water for their households. This damage can extend for hundreds of miles downstream afterward. Detention dams are used to control the flow of hazardous materials and sediments. Vessels can travel in straight courses saving time, fuel and human effort 4. Cycles and variation of flow downstream are established. Sustained supply of water for irrigation, encourages peoples to use additional areas for cropping. Though dams are the source of irrigation across the country yet they create problems for farmers living around reservoir areas. That name translates to “Dam of the Pagans” in Arabic. Upstream water ponds can be used for fish farming which can reduce the damage that has been done to the fish habitat due to the construction of the water dam. That energy might be renewable, but it is not free of environmental consequences. The use of a dam in certain areas can also contribute to the loss of forests. Dams block rivers. When a river gets dammed, it creates an artificial lake behind it that can be used for drinking water, recreational purposes, and irrigation. The navigable waterways of the United States, like those found on the Mississippi River, can be challenging for some boats to use because of varying water levels. Productivity and species diversity of waterways are often reduced because of the reduction of fresh flow. Even the dams’ owner decided that the cost of maintaining the structures it was no longer worth it, and so they are coming down. It is an impervious or fairly impervious barrier put across a natural stream so that a reservoir is formed. We also use this engineering marvel to control floodwaters or to supply a fixed amount of fluid to the surrounding areas for agricultural irrigation. The Colorado River is an excellent example of this issue because the waterway doesn’t make it to its outlet most years because of all the damming activity that occurs. It can also cause changes in temperature, chemical composition, and shoreline stability. When we examine the advantages and disadvantages of dams, it is essential to remember that both perspectives make legitimate claims to be doing what is best for the environment. We use dams to impede or stop the flow of water along a river. Dam areas can be used for recreation purposes. 5. Disadvantages. Those are resources that many communities could put to better use. Americans generate over 103,000 megawatts of renewable electricity with this resource, with only Canada currently creating more power in this way. A dam can provide a stable system of navigation. Rivers are important because they transport water, provide habitat, support economic activities and enable transportation. All property owners within the district are subject to the districtï¿½s property tax levy. Some reports say that the wave was over 820 feet high. Installing a system of locks with this technology creates a safe place for us to transport goods and a variety of additional benefits. Almost 2,000 people died in this disaster, and it was all because the dam was located in a geologically unstable area. Wild animals that visit the river to drink water also attack residents and destroy their crops in â¦ Dams prevent fish migration. It is an impervious or fairly impervious barrier put across a natural stream so that a reservoir is formed. The Nile River is famous for its unpredictable annual flow throughout history. 2. For building a reservoir a low land is needed which is good for crop production too. Dams can displace a significant number of people. 3. Flood risks can increase if nothing is done along the river. sub-optimal investment decisions). Numerous reservoirs around the United States offer opportunities to go camping, boating, and waterskiing. Four ways dams damage rivers 1. Reservoirs can be challenging to maintain.
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