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Coastal cities can be spared some wind destruction from intensifying hurricanes or tropical storm systems if they have functional wetland ecosystems and agricultural croplands in the area, according to new computer modeling research led by The University of Alabama in Huntsville (UAH).
"Our study was about how changing land cover in coastal areas affects rain from tropical storms," says Emily Foshee, co-author of the research and a research associate at UAH's Earth System Science Center who analyzed the models. Dr. Eric Rappin from Western Kentucky University ran the numerical model experiments.
Paper - Scientific - Reports - November - UAH
The paper was published in Scientific Reports in November. UAH teamed with Western Kentucky University, the University of Nebraska, the University of Georgia, the University of Colorado Boulder, Purdue University, NASA's Marshall Space Flight Center and NASA's Goddard Space Flight Center to conduct the study.
Scientists used the model with a simulation of a flooding storm over Baton Rouge as a control and then modified the type of land the storm passed over to assess the effect. They modeled three land types: healthy coastal marshland, marshland that had become saturated or turned to open water and coastal land that had been converted mostly to agricultural use.
Ground - Moisture - Buffering - Marsh - Impede
The ground moisture and vegetative buffering of healthy marsh impede storm intensification but increase rainfall in the model.
"If you want to keep the marsh ecology intact because you don't want to lose all the other benefits of marshland such as preventing soil erosion and the wildlife and aquatic life benefits, and if you are concerned about how to have less damage from storm winds, then you must keep the wetlands," says Dr. Udaysankar Nair, UAH associate professor of atmospheric science and the paper's lead author, whose research was funded by the National Science Foundation.
Landfalling - Hurricane - Wetlands
"When you have a landfalling hurricane, if you have wetlands there, then there is...
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