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St. Petersburg Coastal and Marine Science Center > National Assessment of Storm-Induced Coastal Change Hazards > Hurricane Joaquin

National Assessment of Storm-Induced Coastal Change Hazards

Hurricane Joaquin Storm Response

Pre- and Post-Storm Photo Comparisons - Virginia

Hurricane Joaquin, though it did not make direct landfall on the U.S. coastline, affected a broad swath of mid-Atlantic and North-eastern states, from South Carolina to Massachusetts. Onshore winds from Joaquin combined with a non-tropical low pressure system led to high waves and elevated total water levels that impacted the coast for several days, causing extensive beach and dune erosion and even overwash in some locations. Here, photos pairs are used to compare the pre-storm and post-storm conditions at locations representing a broad range of coastal configurations and their response to the storm. Pre-storm photos were acquired during a baseline survey on October 5, 2014 and post-storm photos were acquired October 7, 2015.

Location Map
Location Map.

pre- and post-storm photos
Location 1: Oblique aerial photographs of Smith Island, VA. View looking west along Virginia's barrier-island shore. Very low dunes at this location allowed overwash to transport sand inland. Marsh was buried and marsh channels were filled with sand (green arrow). The yellow arrow in each image points to the same feature. [larger version]

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pre- and post-storm photos
Location 2: Oblique aerial photographs of Smith Island, VA. View looking west along Virginia's barrier-island shore. High waves from Hurricane Joaquin exposed and eroded the marsh platform (green arrow) and transported sand inland burying marsh channels. The yellow arrow in each image points to the same feature. [larger version]

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pre- and post-storm photos
Location 3: Oblique aerial photographs of Cobb Island, VA. View looking west along Virginia's barrier-island shore. Waves and surge from Hurricane Joaquin reached the base of the dune and caused erosion of the dune face, resulting in a steep dune scarp. The yellow arrow in each image points to the same feature. [larger version]

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pre- and post-storm photos
Location 4: Oblique aerial photographs of Cedar Island, VA. View looking west along Virginia's barrier-island shore. Very low dunes at this location allowed overwash to transport sand inland over the marsh platform (green arrow). The yellow arrow in each image points to the same feature. [larger version]

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pre- and post-storm photos
Location 5: Oblique aerial photographs of Assateague Island National Seashore, VA. View looking west along Virginia's barrier-island shore. New overwash deposits can be seen on the bay side (green arrow). The yellow arrow in each image points to the same feature. [larger version]

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pre- and post-storm photos
Location 6: Oblique aerial photographs of Assateague Island National Seashore, VA. View looking west along Virginia's barrier-island shore. New overwash deposits can be seen on the bay side (green arrow). The yellow arrow in each image points to the same feature. [larger version]

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pre- and post-storm photos
Location 7: Oblique aerial photographs of Assateague Island National Seashore, VA. View looking west along Virginia's barrier-island shore. Waves and surge from Hurricane Joaquin reached the base of the dune causing erosion of the dune face. Less vegetation and a steep dune scarp are shown by the green arrow. The yellow arrow in each image points to the same feature. [larger version]

St. Petersburg Coastal and Marine Science Center > National Assessment of Storm-Induced Coastal Change Hazards > Hurricane Joaquin

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Page Last Modified: December 05, 2016 11:24 AM (JSG)

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