the aral sea problem

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1487932752_65655.pptx /docprops/thumbnail.jpeg slide 1 the aral sea problem environmental concerns case study on the aral sea: objectives: understand the environmental concerns surrounding the aral sea: locate and describe the environment surrounding the aral sea. explain the environmental problems associated with the loss of area of the aral sea. explain the causes of the problem. explain and evaluate the methods possible to restore the aral sea. the aral sea is located between kazakhstan and uzbekistan in what was once the old soviet union. it is fed by 2 rivers: the syr darya and the amu darya. climate of the aral sea region (temperature) temperature ranges from -13 to 28 °c. from march to november evaporation will take place reducing the water level in the lake unless recharged by rain or river flow. climate of the aral sea region (rainfall). the animation shows that for most of the year there is little …

drought resistant cotton. charging for water use. desalination. irrigation channels because the aral sea was able to survive despite the climatic conditions before humans intervened there is no reason why it cannot be re-filled. however, even if the water is returned there are no guarantees that the ecology will recover. even if it does it will take a large number of years. a set of proposals has been identified that could be used to restore the water levels in the aral sea. for each assess its impact and the pros and cons for its implementation. answers: pump in sea water: would slowly re-fill the sea. easy to achieve and plentiful supply of water. would allow cotton farming to continue. no loss of water in transit as piped. however, infrastructure required and would cost a lot. also problem with environmental cost of powering the pumps. re-route water: would allow sea to …

o force people to use less water. generates problems between rich and poor. not very effective. rich will still not reduce their consumption. desalination: the removal of salt from sea water allows for this to be used for humans. infinite supply. very expensive and water has to be pumped from sea to land when existing water supplies go in the other direction. irrigation channels: same as for re-routing water. click to edit master text styles second level third level fourth level fifth level possible exam questions: there has been no exam yet but expect the following types of questions in the exam. describing the environment of the area. describing the rate of shrinkage (source e page 5). describing the rate of shrinkage or the area lost (projections on page 5). explaining the climate of the area. explaining the causes of the loss of water level (source f page 6). explaining …

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1487932752_65655.pptx /docprops/thumbnail.jpeg slide 1 the aral sea problem environmental concerns case study on the aral sea: objectives: understand the environmental concerns surrounding the aral sea: locate and describe the environment surrounding the aral sea. explain the environmental problems associated with the loss of area of the aral sea. explain the causes of the problem. explain and evaluate the methods possible to restore the aral sea. the aral sea is located between kazakhstan and uzbekistan in what was once the old soviet union. it is fed by 2 rivers: the syr darya and the amu darya. climate of the aral sea region (temperature) temperature ranges from -13 to 28 °c. from march to november evaporation will take place reducing the water …

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