Thursday, May 2, 2019

Critical review on norther canada Essay Example | Topics and Well Written Essays - 750 words

Critical review on northerner canada - Essay ExampleHe is unrivalled of the most qualified and eminent scientists of fresh irrigate today. Professor John P. Smol is a professor in the Department of Biology and also chairs Environmental form at Queens University. He has rested his entire career to the study of environment and problems related. His ferment has been widely used in acid-rain debates and in studies related to global environmental change. He has writ ten dollar bill more than 230 publications and will soon publish his thirteenth book related to environmental issues. In the last ten years he has been awarded 18 medals, fellowships and various prizes for his phenomenal contribution. The article throws light on the impact of humour warming on the caoutchouc everywhere the North America, Eurasian Arcitic and other polar regions. The authors stress that rubber eraser is high latitude system which has come under threat due to warm climate and human-caused environmenta l activities. The paper seeks to refute claims and the widely believed perception that Arctic lakes, ponds and rivers are immune from the impact of activities undertaken by humans. It is explained how ever-changing albeta and cold water biota make them sensitive to climate changes and green house warming simply accelerates the process. They suspect Arctic Aquatic fauna to comprise of a high concentration of contaminants due to changes in its lakes and rivers over the years. The purpose of the paper is to point out the gravity of impact of human activities on the Arctic and it is way more than most environmental mangers predict. The authors cite Spragues (2006) work Great wet north? Canadas myth of water abundance in pointing out that the flowery stories planted by Canadian media and politicians over abundance of water in the region are a fluke. Spragues work is placely quoted to correct the false impressions people have about the countrys water resources. The biggest strength of t his paper is the physical structure of the work. The authors of the paper do not digress. This conserveion is repeated again with a plausible concern in the end when Krummels (2003) work is cited to explain why in high latitude regions politicians tend to disregard environmental problem. It is well illustrated with a lot of pictures and graphs. The article is well supported with a lot of decent cited statistical references. For instance, the authors point out Brunskills hydrological figures when stating that most lakes in the north have less than one percent of their water replaced every year. However, there are places, where the authors could have gotten into more insight for instance they assert that high exposure to ultra-violet rays can inflict a lot of harm to the DNA in phytoplanktons and zoo-planktons. Hessen and Williamsons work from the nineties is quoted but without any further explanation. When I piqued through their work, I figured they had also explained how and wha t causes the damage. Again while specifying how snow hatch affects lake properties, they point out by citing Sorwaris (2003) workthat snow cover can have huge limonological implication. But they failed to cover what kind of limonological limitations? These were some of the minor glitches in the differently well researched paper. The authors made it a point to use most of the latest references which was a major confirming point. There were only a few places where they had referenced all the way back to papers from 1980s- Carmouse (1983) and Prowse (1985) to label a

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