#Louisiana is losing a football field of wetlands an hour, new U.S. Geological Survey study says
Louisiana’s coastline has been losing wetlands at a rate of 16.57 square miles a year during the past 25 years, equal to the loss of a football field of coast every hour, according to a study released today by the U.S. Geologicial Survey.
http://imgick.nola.com/home/nola-media/width960/img/tpphotos/photo/2011/06/-ebdb87fe5f0a2dc8.jpg 
http://imgick.nola.com/home/nola-media/width960/img/tpphotos/photo/2011/06/-1d2a774ba7b10fad.jpg ▻http://www.nola.com/environment/index.ssf/2011/06/louisiana_is_losing_a_football.html
#Etats-Unis #USA #cartographie #visualisation #zone_humide #côte
