1. Increasing destructiveness of tropical cyclones over the past 30 years;Emanuel;Nature,2005
2. Causes of hot-spot wetland loss in the Mississippi delta plain;Morton;Environ. Geosci.,2003
3. Zwerdling, D., , ( 2002, ), Nature's revenge: Louisiana's vanishing wetlands: Part IV—Hurricane risk for New Orleans, , Am. Public Media, . (Available at http://americanradioworks.publicradio.org/features/wetlands/hurricane1.html)