Post-Katrina Wetlands Restoration May Slow Down Powerful Storms

Since Hurricane Katrina hit Louisiana, Mississippi, andsoft, thick pillow - the baseball will bounce off a wall
part of Alabama at the end of August of 2005, globalretaining a lot of its energy, but will lose its motion and
warming and the destruction of wetlands have sharedits kinetic energy entirely in the soft give of the
in the blame for the devastation of the Gulf Coast. Anpillow.)NOAA (the National Oceanic and Atmospheric
increase in the temperature of the waters of the GulfAdministration) recently rewarded a multimillion-dollar
of Mexico is believed to have fueled the storm,contract aimed at restoring 1400 acres of wetlands in
substantially increasing its intensity, while theLouisiana's Lafourche County. The aim is to restore a
disappearance of wetlands - one U.S.substantial portion of the wetlands in that area, which
Congresswoman estimated that fully 95 percent ofhas been impacted negatively by construction, natural
U.S. coastal wetlands have been destroyed byerosion, and subsidence (sinking of the land because of
development - has eliminated swamplands which haveoil extraction and other human demands on the
traditionally acted as a buffer for hurricanes.Hurricanesenvironment). The largest wetlands restoration project
travel swiftly over open waters, gathering intensity asin the U.S. to date, it is just the beginning of a much
they absorb energy from the warm waters of tropicallarger restoration project proposed for the region. The
and subtropical waters. As they hit land, however, thehope is that these restored marshes will ameliorate the
hurricanes quickly lose energy as the friction of theimpact of the increasingly powerful hurricanes
land serves to break up the storm and slow down theoriginating in the Atlantic.Aldene Fredenburg is a
winds. Swamps and estuaries, with their thickfreelance writer living in southwestern New Hampshire.
vegetation and dense, almost spongy quality, actuallyShe has written numerous articles for local and
act as a cushion, absorbing tremendous amounts ofregional newspapers and for a number of Internet
kinetic energy from the storm as it passes. (Think of awebsites, including Tips and Topics.
baseball thrown against a hard wall as opposed to a