Topographic change at Core Banks, NC, after Hurricane Irene in 2011

This difference image between the pre- and post-storm elevation data sets shows where significant changes have occurred.

Detailed Description

Topographic change (difference) for a portion of Core Banks, NC, after Hurricane Irene in 2011. The difference image shows over 1 m of vertical erosion in the beaches that were breached. Red colors indicate erosion. For example, oranges and reds on the seaward side of the islands indicate wide-spread shoreline retreat. Blue colors show areas of accretion, such as overwash deposits where waves and surge have moved sand landward. (The Atlantic Ocean is on the bottom right.)


Image Dimensions: 1000 x 560

Date Taken:

Location Taken: US