please do the activites only. Chapter 15 Eolian Processes and Arid Landscapes 46
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please do the activites only.
Chapter 15 Eolian Processes and Arid Landscapes 461 GEOSPATIAL ANALYSIS The Aral Sea The Aral Sea was once the fourth largest lake in the world. Over the last sev through time using the slider and use the measuring tool to answer decades, the lake decreased in size by more than 80% and the Southern someof these questions. (larger) Aral Sea disappeared altogether. This disappearance had devastating 4. What was the distance between the eastern edge of the Aral effects on communities in the region. Activities Go to NASA's Earth Observatory site at http nasa.gov/, select the "World of Change" under Special Collections 5. What was the distance change between 2000 and 2005? Be- Sea in 1960 and the western edge of the Southern Arai Sea in 2000? Compared to 2005? Compared to the distance in 2010? And, in 2015? thobservatory and select "Shrinking Aral Sea." As you step forward in time you tween 2005 and 2010? And, between 2005 and 2015? Does the rate of loss appear to be accelerating? see dramatic changes in the aerial extent of the Aral Sea When did the Aral Sea begin to shrink? What caused the Aral Sea to shrink? What is the average rate at which the Aral Sea has been shrinking since 2000? (Remember that rate of change is the distance change divided by the number of years.) 1. How has the shrinking lake affected the quality of the water and farmland in the region? 2. Examine the image of a dust storm at http://eoimages.gsfc.nasa gov/images/imagerecords/19000/19853/aral_amo 2008120_irg.jpg 7. Compare this image to the Aral Sea images from NASA'S Earth 3. How has the lake's loss affected local summer and winter temperatures? Observatory. Approximately when was the dust storm image taken (A range of a couple of years is fine)? Step forward in time to see changes in the Aral Sea. The green region is the lake and the white region around the lake is the result of salt deposits. You may also click on "Google Earth" to step 8. The winds in the image are blowing from which direction?Explanation / Answer
Ans 1) The aral sea started sinking fronm the 1960s. The reason for its sinking were, diversion of the rivers which fed it towards the Soviet irrigation projects.
The two rivers that fed the sea were Amu Darya in the south and Syr Darya in the east, these two rivers were diverted to irrigate the deserts for the production of certain crops. This action led to the sinking of the Aral sea.
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