Big Dams Essay

3.5 million miles of water run throughout the United States; and since the country’s conception, over 80,000 dams have impounded 600,000 miles of these waters [1]. Dams were originally constructed to provide water to towns and establishes energy sources for mills and later hydroelectric plants. Because these dams were constructed decades ago, they’re reaching a critical point of obsoleteness where they cause more harm than good. Dam removal is increasingly popular across the country to address the ecological problems including habitat loss and sedimentation, despite potential for downstream harm, removing dams is more environmentally and economically cost effective than upgrading them. The Marmot, Glines Canyon, and Elwha river dam removal projects each highlight different challenges of dam removal, but overall

The hydroelectric dam provides low cost power to numerous farmsteads and small towns of the expanded region. The lake has also provided for some of the fines walleye and salmon fishing within North Dakota.

The article “Down go the dams” by Jane C.Marks aim to provide an informative view on the current pending issue on Dams. The article starts out my mentioning the important nature of dams in our society. For example, Jane C.Marks states that today about 800,000 dams operate worldwide as well as the fact that most were built in the past century, primarily after World War II. Furthermore, the author lays down informative facts about dams such as the fact that dams control flooding and their reservoirs provide a reliable supply of water for irrigation, drinking and recreation which are all very important to society. In an economic standpoint, although it is very high maintenance dams provide jobs for people. The

With the Colorado River supplying 43% of all agricultural water consumption and 41% of all Municipal and Industrial water supply in the basin, losing access to this resource entirely for one year would cost $1.434 trillion in combined state GDP [2]. Just a ten percent decline in water availability will reduce combined basin states GDP by $143.4 billion, reduce employment in the area by 1.6 million job-years, and reduce labor income by 87.1billion dollars per year [2]. In addition to the shrinking economic production, the cost of living in the area would also start to increase. The water in the Colorado River provides inexpensive energy for the parts of the lower basin states, the cost of the power has doubled from the initial contracts, and if water levels fall to 1000', the costs could quintuple for customers that are bound to purchase the hydroelectric power until 2067 [8]. While the internal economy of the basin would suffer, the effects would also ripple into the rest of the country. The agricultural Imperial Valley in California, for example, provides two-thirds of the country's vegetables in the winter [9]. Without proper irrigation and water supply, production rates

The Grand Coulee Dam, located in Eastern Washington, was one of controversy, risk, and a point of no return. While the water captured made the desert area blossom in agriculture and it powered some large cities, it created a sense of accomplishment, that humans can control Mother Nature. While many people were very excited for this new construction – which gives power and resources - at the time, some thought it should not be allowed, they are not proud of containing the Columbia River. In this analysis, I am going to focus on the economic and social effects that the Grand Coulee Dam created in its build.

Dams are harming salmon in so many ways. They’re taking away their habitat. The salmon’s access of the rivers are suddenly gone. In the Northwest, a large portion of dollars are spent in a year to fix all the damage to the salmon, caused by the dams on the Snake and Columbia rivers. For decades, there have been numerous debates about taking down these dams to help the fish, because they’re part of the endangered species act. There are biologists that notice how some salmon are trying to survive in rivers located in the Northwest that have been changed by dams. These fish are simply delaying migration back to the sea, growing larger in order to survive their trip back to the Pacific Ocean, and going back to their birth streams at higher rates than ever. All these salmon could be saving themselves instead of people spending billions of dollars. The consequences of this could be very important. The recovery of salmon

BPA, a power marketing agency of the United States Department of Energy (DOE), supplies roughly half of the electricity used in the Pacific Northwest. The power that BPA markets comes primarily from 31 Federal hydroelectric projects (known collectively as the Federal Columbia River Power System, or FCRPS), and one non-federal nuclear plant. BPA is a co-manager of the Federal hydroelectric projects, but it does not own or operate them. Such responsibilities belong to the U.S. Army Corps of Engineers (Corps) and the U.S. Bureau of Reclamation (Bureau). For the purpose of this case study, Bureau of Reclamation owns and operates the dams and the Army Corps of Engineers builds and maintains the dams.

In the ¨River Restoration Project Offers a Sprinkling of Hope¨, Ron Jacobsma, general manager of the Friant Water Authority, said “We hope to get double duty out of that water by taking it the long way around.¨ As Jacobsma is a general manager of the Friant water Authority, this offers us his experience, his ideas and his thoughts of how we can have hope for the project. President Barack Obama signed the Omnibus Public Lands Bill in March, the agreement turned into federal law when he signed it. The parties had been working on the restoration plan for more than two years laying the groundwork for the physical changes to come. When the president signed it, it made them get the approval which he supported for them to continue the process. The credibility of the author right has now been believable because he provided us with the ethics of President Obama and Jacobsma. The river will not necessarily end up to its full, natural path along its entire length. Too much has changed in the decades since the dams construction. They would use canals along some stretches to carry the water short distances and to ferry the salmon upstream. This is showing us logos with facts and information it offers an explanation on how to solve one of the problems with the plan. A professor named Peter Moyole, from UC Davis also had his opinion on the project. He said “We have never done anything on this scale”, but we were willing to try it and approve of the

But the effects that it will have on ecosystems could be catastrophic. The lack of protection on beavers’ home could possibly lead to extinction in these animals and the dams beavers’ create slow down the river's currents and make the water more habitual for many fish species. Which resurfaces the fact that all species depend on each other to create an ecosystem. The length of the rules in Minnesota’s fishing regulations to protect the fish, in the long run, will not protect the species that help fish thrive within an ecosystem

Beside these arguments, there is also a more quantitative side to the debate. The ecological detriments of the Glen Canyon Dam have been well-documented. Extensive changes were brought about in the Colorado River ecosystem by the construction of the Glen Canyon Dam. Most of these alterations negatively affected the functioning of the system and the native aquatic species of the river. The reduced supply and transport of

For this paper water structures and infrastructures were selected as focus points because the longer we wait to fix issues with them, the more expensive it will get, in other words, we are in a race against time. Studying the past it is easy to see how water availability made population explode in an area such as Southern California, where savvy marketing and great politics made it happen. Particularly, for Los Angeles and for the purposes of public narrative, Marc Reisner’s Cadillac Desert does a great job at understanding and identifying the politics and key figures in getting water to Los Angeles. Great hydrologic structures were created using both manpower and water politics. It is important to state that there are connections between water, politics, environment, and geography when analyzing what the biggest problems involving water structures and infrastructures (Reisner.) We must think of water as both a socio-political issue and a natural resource, whose fate is molded by the understanding of its connectivity to itself, man-made structures, geography, environment, and society. The classes taken in this program have taught us ideals that in order to become a great water resource manager, one must master the political and scientific knowledge to make decisions that are prosperous for society and the environment. Furthermore, one must know the United States’ hydrological history in order to gain manipulation upon the system that makes it both thrive and deteriorate.

The main purpose of the dam removal project is for the restoration of native anadromous fisheries and the Elwha River ecosystem. The cost of the dam removal projects would be about $30 million, and the Secretary would pay to local industrial consumer and the dam owner (Elwha River Ecosystem and Fisheries Restoration Act,

With human development, industrial pollution and other factors all contribute to the deteriorated condition of the river, which makes it difficult to determine the dams’ environmental impact in isolation. CITE That said, the current operations of the dam hamper and potentially prevent environmental improvement of the Colorado. In order to preserve some semblance of the Colorado ecosystem, man must restore the natural processes that created the ecosystem. The real question is how to do that, whether via dam decommission or a less extreme policy change.

Many countries are also highly dependent on water that originates outside their borders; the water diversion provided by dams for countries that are downstream exacerbates an already serious problem. The diversion of river systems is an area of international concern, the nature and extent of such interdependency is already extensive: 145 countries share over 261 international river basin. As demand increases, and as indigenous sources of water become fully utilized or exhausted, the only alternatives are likely to be international (Dolatyar, 2006). Ironically, the very solution of one country's scarcity, plunges another into water shortage, this is the reason why water security is one of the most crucial foreign policy considerations of a globally connected economic and political atmosphere.

INTRODUCTION: Water assets building is growing massively today. Dams have the most vital part in using water assets. They were developed taxing year before increasing present data about hydrology and hydro mechanics. All through the historical backdrop of the world, dams have been utilized effectively as a part of gathering, putting away and overseeing water expected to manage human advancement. Dams have a lot of positive and negative impacts on the earth. Their advantages like controlling stream administration, subsequently forestalling surges, getting local and water system water from put away water and creating vitality from hydro control. While dam give noteworthy advantage to our general public, their effect on the encompassing incorporates resettlement and migration, financial effect, natural concerns, sedimentation issue, security angles and so on. Notwithstanding their vital social and natural advantages, it is vital to minimize the negative impacts of the hoover dam on the earth with respect to feasible advancement.