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Although the devastation to the Bonnet Carré area was great, its ecological impacts were somewhat beneficial. By diverting river water and sediment, the crevasse saved a greater portion of land surrounding the area from succumbing to total flooding and land erosion. Therefore, the crevasse served as
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itself spanned about 1,200 feet (370 m). Local drainage systems were unable to contain the floodwater. The water rushed at 8 miles per hour, causing the width of the breach to increase by the day. Strong northerly winds caused the excess water entering
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60:(1871) was one of several levee breaches in the Bonnet Carré area in the mid-to-late 19th century. Bonnet Carré was approximately 31 miles (50 km) from
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Kesel, Richard H. (May 1, 1989). "The role of the
Mississippi River in wetland loss in southeastern Louisiana, U.S.A.".
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a buffer for wetland erosion. Recognizing the benefits, the local government commissioned the construction of an
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flowed over the east bank levee of Bonnet Carré. The original levee was over 12 feet (3.7 m) high, and the
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that could be periodically opened to drain excess water from the
Mississippi into Lake Pontchartrain.
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146:"Development of the New Orleans Flood Protection System prior to Hurricane Katrina"
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88:. The increasing force of the flood also caused another nearby levee to break.
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to flow into populated areas to the east, including neighborhoods
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The river levee was not restored at Bonnet Carré until 1883.
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67:The breach occurred when excess water from the
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315:1871 natural disasters in the United States
197:. Ann Arbor District Library. May 19, 1871
268:"Bonnet Carré Crevasse Historical Marker"
223:Environmental Geology and Water Sciences
165:10.1061/(ASCE)1090-0241(2008)134:5(602)
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274:. StoppingPoints.com. July 27, 2007
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114:The area is now the site of the
52:The "Crevasse" or levee breach
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310:19th century in New Orleans
191:"The Bonnet Carre Crevasse"
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144:Rogers, J.D. (May 2008).
105:Canal Street, New Orleans
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62:New Orleans, Louisiana
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320:Bonnet Carré Spillway
116:Bonnet Carré Spillway
107:near Claiborne Avenue
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58:Bonnet Carré Crevasse
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34:30.00222°N 90.44139°W
305:Floods in Louisiana
235:1989EnGeo..13..183K
94:artificial crevasse
39:30.00222; -90.44139
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272:StoppingPoints.com
243:10.1007/BF01665368
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78:Lake Pontchartrain
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69:Mississippi River
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276:. Retrieved
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103:Flooding on
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278:October 25,
201:October 25,
170:October 25,
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294:Categories
122:References
25:90°26′29″W
251:0099-0094
195:Old News
86:Gentilly
82:Metairie
73:Crevasse
22:30°0′8″N
231:Bibcode
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149:(PDF)
280:2015
247:ISSN
203:2015
172:2015
84:and
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239:doi
161:doi
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