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A group of Dartmouth researchers trying to assess the impact of Tropical Storm Irene on streams hopes that their results will help policymakers improve regulations for future storms, research group co-leader and geography professor Frank Magilligan said.
The research team, which was headed by Magilligan and earth science professor Carl Renshaw, received a three-year, $345,000 grant from the National Science Foundation for the study, following an initial $45,000 grant to conduct a damage assessment immediately after the August 2011 storm, Magilligan said.
Irene provided an opportunity to gain insight into how natural systems respond to and recover from disturbances.
"Irene was a really great example of an unprecedented flood in New England and that led to lots of geomorphic change things like hill slope erosion, landslides, overbank flooding and overbank deposition of material," he said.
Magilligan's research also has implications for the effectiveness of "hard engineering," or human interference in order to produce faster stream recovery, he said.