2. Aerial PhotographsBefore and AfterHurricane Irenehttp://coastal.er.usgs.gov/hurricanes/irene/photo-comparisons/ 3. November 27-December 1, 2009 (pre-storm) Outer Banks in the Pea Island NationalWildlife Refuge, NCRED = HIGH, BLUE = LOWhttp://coastal.er.usgs.gov/hurricanes/irene/photo-comparisons/ 4. August 28-29, 2011 (post-storm) for a portion of Outer Banks in the Pea IslandNational Wildlife Refuge, NCRED = HIGH, BLUE = LOWhttp://coastal.er.usgs.gov/hurricanes/irene/photo-comparisons/ 5. Topographic change (difference) for a portion of Outer Banks in the Pea IslandNational Wildlife Refuge, NCRED = EROSION, BLUE = ACCRETIONhttp://coastal.er.usgs.gov/hurricanes/irene/photo-comparisons/ 6. Topographic change (difference) for a portion of Outer Banks in the Pea IslandNational Wildlife Refuge, NCRED = EROSION, BLUE = ACCRETIONhttp://coastal.er.usgs.gov/hurricanes/irene/photo-comparisons/