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Maps Showing the Stratigraphic Framework of South Carolina's Long Bay from Little River to Winyah Bay
Entry ID: USGS_OFR_2004_1013

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Summary

Abstract: South Carolina's Grand Strand is a heavily populated coastal region that
supports a large tourism industry. Like most densely developed coastal
communities, the potential for property damage and lost revenues associated
with coastal erosion and vulnerability to severe storms is of great concern. In
response to these concerns, the U.S. Geological Survey (USGS) and the South
Carolina Sea Grant Consortium have chosen to focus upon the Grand Strand (the
arcuate strand of beaches between the North Carolina Border and Winyah Bay, SC)
and adjacent Long Bay as a portion of Phase II of the South Carolina/Georgia
Coastal Erosion Study (SC/GCES).

Phase I of the SC/GCES (1994 - 1999) focused upon critical areas of erosion
along the central portion of the South Carolina coastline. Research conducted
during Phase I began to identify how physical processes, inlet-beach
interaction, framework geology and shoreline geometry combine to control
patterns of erosion along the central South Carolina coast. Phase II of SC/GCES
(1999 - present) was designed to gain a further understanding of the factors
affecting shoreline change within northern South Carolina and Georgia. Specific
goals of the Phase II study include: 1) quantifying historic shoreline change
and identifying erosional hotspots; 2) mapping geologic framework and
determining its role in the area's coastal evolution; and 3) calculating a
sediment budget and identifying transport mechanisms within the study area.

In November 1999, to address the second goal of Phase II of the SC/GCES, the
USGS, Coastal Carolina University (CCU) and Scripps Institution of Oceanography
(SIO) began a program to systematically map the geologic framework within the
South Carolina segment of Long Bay. Data sources used to produce these maps
include high-resolution sidescan-sonar, interferometric sonar swath bathymetry
and sub-bottom profiling. Surface sediment samples, vibracores and video data
provide groundtruth for the geophysical data. The goals of the program include
determining regional-scale sand-resource availability (needed for ongoing beach
nourishment projects) and investigating the role that inner-shelf morphology
and geologic framework play in the evolution of this portion of coastal South
Carolina.

This report presents preliminary maps generated through integrated
interpretation of geophysical data, which detail the geometries of Cretaceous
and Tertiary continental shelf deposits, show the location and extent of
paleochannel incisions, and define a regional transgressive unconformity and
overlying bodies of reworked sediment. Defining the shallow sub-surface
geologic framework will provide a base for future process-oriented studies and
provide insight into coastal evolution.

[Summary provided by the USGS.]

Related URL

Link: GET DATA
Description: Bathymetry and Sidescan-Sonar

Link: GET DATA
Description: Seismic Stratigraphy

Link: VIEW RELATED INFORMATION
Description: South Carolina Coastal Erosion Study

Link: VIEW RELATED INFORMATION
Description: South Carolina Sea Grant Consortium

Link: VIEW RELATED INFORMATION
Description: Scripps Institution of Oceanography.

Geographic Coverage

N: 34.0 S: 32.5 E: -78.5 W: -81.0

Data Set Citation

Dataset Originator/Creator: Wayne E. Baldwin, Robert A. Morton, Jane F. Denny, Shawn V. Dadisman, William C. Schwab, Paul T. Gayes, and Neal W. Driscoll
Dataset Title: Maps Showing the Stratigraphic Framework of South Carolina's Long Bay from Little River to Winyah Bay
Dataset Series Name: U.S. Geological Survey Open-File Report
Dataset Release Date: 2004
Dataset Publisher: U.S. Geological Survey
Version: 1.0
Data Presentation Form: maps, reports
Online Resource: http://pubs.usgs.gov/of/2004/1013/

Temporal Coverage

Start Date: 1994-01-01

Stop Date: 1999-12-31

Start Date: 1999-01-01

Paleo_Temporal_Coverage

Chrono Unit:
Chrono Unit:

Location Keywords

CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > SOUTH CAROLINA

ISO Topic Category

BIOTA
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

ELEVATION
GEOSCIENTIFIC INFORMATION
INLAND WATERS
OCEANS

Platform

FIELD SURVEYS [Information]

FIELD INVESTIGATION [Information]

Access Constraints

None

Use Constraints

This publication was prepared by an agency of the United States Government.
Neither the United States Government nor any agency thereof, nor any of their
employees, make any warranty, expressed or implied, or assumes any legal
liability or responsibility for the accuracy, completeness, or usefulness of
any information, apparatus, product, or process disclosed in this report, or
represents that its use would not infringe privately owned rights. Reference
therein to any specific commercial product, process, or service by trade name,
trademark, manufacturer, or otherwise does not necessarily constitute or imply
its endorsement, recommendation, or favoring by the United States Government or
any agency thereof. Any views and opinions of authors expressed herein do not
necessarily state or reflect those of the United States Government or any
agency thereof.

Although all data published in this publication have been used by the USGS, no
warranty, expressed or implied, is made by the USGS as to the accuracy of the
data and/or related materials and/or the functioning of the software. The act
of distribution shall not constitute any such warranty, and no responsibility
is assumed by the USGS, in the use of these data or related materials.

Keywords

Open File Report

OFR

South Carolina Sea Grant Consortium

Scripps Institution of Oceanography

Long Bay

Little River

Winyah Bay

Natural Hazards

Stratigraphy

Coastal Erosion

Severe Storms

Coastal Patterns

Sediment Budget

Shoreline Change

Historic Shoreline Change

Geology

Geologic Framework

Geophysical Data

Cretaceous

Tertiary

Data Set Progress

COMPLETE

Originating Center

USGS

Data Center

Open File Services Section, Publications Warehouse, Eastern Region, Publications, U.S. Geological Survey, U.S. Department of the Interior [Information]
Data Center URL: http://pubs.usgs.gov/of/

Data Center Personnel

Name: USGS OPEN-FILE SERVICES SECTION
Phone: 303-202-4200
Phone: 303-202-4210
Fax: 303-202-4188
Email: infoservices at usgs.gov
Contact Address:
USGS Information Services
Open-File Services Section
Box 25286
Federal Center
City: Denver
Province or State: CO
Postal Code: 80225-0286
Country: USA

Distribution

Distribution_Media: Online
Fees: No fees

Personnel

USGS OPEN-FILE SERVICES SECTION
Role: DIF AUTHOR
Phone: 303-202-4200
Phone: 303-202-4210
Fax: 303-202-4188
Email: infoservices at usgs.gov
Contact Address:
USGS Information Services
Open-File Services Section
Box 25286
Federal Center
City: Denver
Province or State: CO
Postal Code: 80225-0286
Country: USA

WAYNE E. BALDWIN
Role: TECHNICAL CONTACT
Email: wbaldwin at usgs.gov
Contact Address:
U.S. Geological Survey
600 4th St
City: St. Petersburg
Province or State: FL
Postal Code: 33701
Country: USA

ROBERT. A. MORTON
Role: TECHNICAL CONTACT
Phone: 727-803-8747 x3080
Email: rmorton at usgs.gov
Contact Address:
Coastal and Marine Geology Team
U.S. Geological Survey
600 4th Street South
City: St. Petersberg
Province or State: FL
Postal Code: 33701
Country: USA

Creation and Review Dates

DIF Creation Date: 2006-05-04

Last DIF Revision Date: 2012-05-11

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