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Post-Isabel
Side-Scan Sonar and Multibeam Surveys: Raleigh
Bay, North Carolina |
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Geodynamics
was contracted by the U.S. Geological Survey Woods
Hole Science Center to assist in detailed Side Scan
and
Multibeam Sonar mapping of northern Raleigh Bay, North
Carolina immediately following the landfall of Hurricane
Isabel in September of 2003. The focus of the study
was to map regions of Raleigh Bay surveyed prior to
the Hurricane by the USGS to gain important insight
into shoreface processes following a significant storm
event. |
 R/V
4-Points – nearshore multibeam & side scan
sonar data acquisition |
 EM3000
multibeam sonar data draped over the USGS Klein
3000 imagery |
Data
collected by the USGS and Geodynamics for this
project were used
to compare pre- and post-storm impacts to seafloor
features such as ripple-scour depressions (Thieler
et. al., 2001) and to assess mobility of inner
shelf sediment
in their ongoing efforts to
gain a detailed understanding of the geologic framework
and coastal processes along the NC coast (see
more). |
Geodynamics' custom
survey launch (R/V 4-Points) was a critical link
in completing this post-storm
survey project. The mobility and custom design of the
R/V 4-Points allowed us to mobilize on site and deploy
a variety of hydrogaphic instrumentation within 2 days
of Hurricane Isabel’s landfall.
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 R/V
4-Points— Cabin-view
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152 Hawthorne Drive
- Pine Knoll Shores, North Carolina 28512 - 252-247-5785
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