Lake Chad: almost gone Straddling the borders of Chad‚ Niger and Cameroon in West Africa‚ Lake Chad has been a source of freshwater for irrigation projects in each of these countries. Maps drawn from a series of satellite images show a dramatic decrease in the size of the lake over the past 30 years. Since 1963‚ the lake has shrunk to nearly a twentieth of its original size‚ due both to climatic changes and to high demands for agricultural water. Since 1963‚ the surface area of Lake Chad has decreased
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I went to visit the North Lake College art gallery during the Faculty Art Show. I attended this event on November 10th before I knew the assignment in this class. When seeing this was my first essay it was exciting because I already knew of a piece I vividly remembered. The art that caught my eye was the one entitle “Big Bang by Steven Benezue. The art looked like something exploded on the canvas. This one was intriguing because of all the colors the artist used. Benezue’s main visual element was
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Do clean lakes really exist? By Yujia‚ Luo (Group 1) September‚ 2014 Introduction A main purpose of wastewater and sludge treatment is to remove phosphorus (P). It seems to be reasonable because excess phosphorus entering the aquatic systems can result in algal blooms. People have been taking much effort to explore simple‚ economic and high effective methods to remove phosphorus. Concentration of nitrogen (N) is another important element to assess the quality of freshwater. As the same with phosphorus
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Crater Lake Crater Lake is located at southwestern off Highway 62 in Oregon. It is Oregon?s only national park. It is the deepest lake in the United States and is the seventh deepest in the world. Crater Lake has an average diameter of 5.3 miles in length and is approximately 1‚932 feet deep. Crater Lake is a result of a volcanic explosion that happened about 7‚000 years ago. A long time ago‚ the pacific oceanic plate was gradually moving under the pacific continental plate in the process
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Another reason Lake Erie’s water is polluted is due to toxins. First‚ there is a lot of bacteria entering Lake Erie. A few years ago much of Lake Erie was very contaminated with dangerous toxins from algae: “In 2011‚ bright green slime spread across one-third of Lake Erie. The slime was a harmful algal bloom‚ caused by cyanobacteria” (Kowalski 34). As a result of Lake Erie being polluted people must find the issue and resolve it. One theory of the pollution in Lake Erie is that the species are not
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Should we protect the Great Lakes? Why? Why not? If so‚ How? Why is it important that we protect the watershed surrounding the Great Lakes? The Great Lakes hold 90% of North America’s fresh surface water but this water supply is not infinite. As of now‚ both Canada and many states from the US are piped with potable water from the Great Lakes. This leads me to believe that we must protect the Great Lakes. If the Great Lakes are used erroneously‚ both in mishandling of the water and contamination
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The timeless Swan Lake is today prized as one of the world’s greatest and most renowned classical ballets to ever exist. For over one hundred years Swan Lake has been performed‚ adapted and rewritten innumerable times to enthrall a wide range of audiences all across the world. Whilst the foundation of how Swan Lake began and came to be is still‚ to some extent‚ unknown‚ it is widely believed that the production was originally choreographed by Julius Reisinger with the accompaniment of celebrated
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Pollution of the Kosciusko Lakes Pollution is one of the many ways that harm is inflicted upon the earth. It comes in two different forms‚ natural and artificial. Each one is equally damaging to the environment and hard to eradicate once introduced into the ecosystem. Natural pollution comes in forms of invasive species (plants and animals)‚ but also can come in forms of run-off. Artificial pollution comes in the form of litter and adds to the harmful effects of the natural pollution. Invasive
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Lake Tahoe is one of America’s deepest‚ freshwater lakes. The iconic vacation spot keeps locals and tourists occupied with ski resorts and casinos. Although‚ there is more to the area than its breathtaking views. The Lake Tahoe Basin is home to many species that contribute to its ecology. Species interaction with biological communities and environment affect the ecosystem greatly because of species dependency of the environment and its resources. This makes it especially difficult with the Lake
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Causes and Effects of Water Pollution in Lake Huron Sandra Mack Professor Pamela Van Hook Strayer University- English 115 June 06‚ 2013 Introduction: Lake Huron is one of the five Great Lakes in North America and also serves as one of the largest freshwater systems on the earth itself. Lake Huron‚ being such a huge source of fresh water‚ also holds numerous amounts of wildlife. For a long time‚ the Great Lakes have served as a ground where many harmful
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