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Download A Watershed Year: Anatomy of the Iowa Floods of 2008 (Bur by Cornelia F. Mutel PDF

By Cornelia F. Mutel

In June 2008, the rivers of japanese Iowa rose above their banks to create floods of epic proportions; their extraordinary size—flowing in locations at a expense approximately double that of the former list flood—and the rapidity in their upward push ruined farmlands and displaced hundreds of thousands of citizens and 1000s of companies. In Cedar Rapids, the waters inundated greater than 9 sq. miles of the downtown quarter; in Iowa urban, the place the flood was once additionally the main harmful in heritage, the collage of Iowa’s arts campus was once destroyed. via supplying a great base of medical and technical info provided with strange readability and a wealth of aiding illustrations, the members to this far-reaching booklet, a lot of whom dealt firsthand with the 2008 floods, supply a close roadmap of the explanations and results of destiny devastating floods. The twenty-five essays fall certainly into 4 sections. “Rising Rivers, Spreading Waters” starts off by way of evaluating the 2008 floods with the midwestern floods of 1993, strikes directly to hint neighborhood responses to the 2008 floods, and ends by means of illuminating recommendations for forecasting floods and making a choice on their dimension and frequency. “Why right here, Why Now?” searches for attainable explanations of the 2008 floods and of flooding normally: annual vegetation and concrete landscapes, inflows into and releases from reservoirs, and weather switch. “Flood Damages, Flood bills, Flood merits” considers the advanced mixture of flood charges and results, emphasizing damages to towns and farmlands in addition to power merits to typical groups and archaeological websites. “Looking again, having a look ahead” lays out methods to coping with the floods of the longer term which are absolute to come. whereas the booklet attracts such a lot of its examples from one specific sector, it explains flooding all through a far better region—the midwestern Corn Belt—and therefore its sobering but energizing classes follow way past japanese Iowa. through interpreting the relationships between rivers, floodplains, climate, and glossy society; via stressing issues of technological know-how and truth instead of social or coverage matters; and through addressing a number of environmental difficulties and merits, A Watershed yr informs and educates all those that skilled the 2008 floods and all these fascinated with the bigger factors of flooding.

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Extra resources for A Watershed Year: Anatomy of the Iowa Floods of 2008 (Bur Oak Book)

Example text

The sense of the 2008 floods’ tremendous magnitude also is portrayed in figures 2-1 and 2-2, hydrographs that plot May and June discharge (river flow) at several streamgages on the Cedar and Iowa Rivers and their tributaries. Note how in most instances, especially for rivers draining large areas, the 2008 peak greatly exceeded the average annual peak flow, a level that roughly corresponds to a river filling its banks to the brim. What was the genesis of these floods? Why were they so large? Many have pondered these questions, trying to grasp unique features of weather and landscape that might provide answers.

S. Geological Survey Circular 1120-B. 18â•… rising rivers, spreading waters Witold F. Krajewski Ricardo Mantilla 2╇ Why Were the 2008 Floods So Large? In June 2008, eastern Iowa experienced some of the worst flooding ever recorded. Floods, commonly defined as river waters overflowing their banks, devastated cities and the countryside alike. 1 From a plane, it was difficult to decipher the main channel of many rivers. The confluence of the Iowa and Mississippi Rivers seemed like a sea dotted with silos that protruded from the water’s surface.

S. Geological Survey Circular 1120-A. Soenksen, P. , D. A. Eash, H. J. Hillaker, and E. M. Gordon. 1991. ” In National Water Summary 1988-89: Hydrology Events and Floods and Droughts, compiled by R. W. Paulson, E. B. Chase, R. S. Roberts, and D. W. Moody, pp. 279–286. S. Geological Survey Water Supply Paper 2375. http://pubs. gov/usgspubs/wsp/wsp2375. Wahl, K. , K. C. Vining, and G. J. Wiche. 1993. S. Geological Survey Circular 1120-B. 18â•… rising rivers, spreading waters Witold F. Krajewski Ricardo Mantilla 2╇ Why Were the 2008 Floods So Large?

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