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Data Series 850

Sediment Data Collected in 2012 from the Northern Chandeleur Islands, Louisiana

By Julie C. Bernier, Kyle W. Kelso, Noreen A. Buster, James G. Flocks, Jennifer L. Miselis, and Nancy T. DeWitt

Oblique aerial photograph looking north along the Chandeleur Islands, February, 2012Summary

As part of the Barrier Island Evolution Research project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center collected sediment samples from the northern Chandeleur Islands in March and September 2012. The overall objective of this project, which integrates geophysical (bathymetric, seismic, and topographic) and sedimentologic data, is to better understand the depositional and erosional processes that drive the morphologic evolution of barrier islands over annual to interannual timescales (1 to 5 years). Between June 2010 and April 2011, in response to the Deepwater Horizon oil spill, the State of Louisiana constructed a sand berm extending more than 14 kilometers along the northern Chandeleur Islands platform. The construction of the berm provided a unique opportunity to investigate how this new sediment source will interact with and affect the morphologic evolution of the barrier-island system. Data collected from this study will be used to describe differences in the physical characteristics and spatial distribution of sediments both along the axis of the berm and also along transects across the berm and onto the adjacent barrier island. Comparison of these data with data from subsequent sampling efforts will provide information about sediment interactions and movement between the berm and the natural island platform, improving our understanding of short-term morphologic change and processes in this barrier-island system.

This data series serves as an archive of sediment data collected in March and September 2012 from the Chandeleur Islands sand berm and adjacent barrier-island environments. Data products include descriptive core logs, core photographs and x-radiographs, results of sediment grain-size analyses, sample location maps, and Geographic Information System data files with accompanying formal Federal Geographic Data Committee metadata.

First posted September 12, 2014

For additional information, contact:
St. Petersburg Coastal and Marine Science Center
U.S. Geological Survey
600 Fourth Street South
St. Petersburg, FL 33701
http://coastal.er.usgs.gov/

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Suggested citation:

Bernier, J.C., Kelso, K.W., Buster, N.A., Flocks, J.G., Miselis, J.L., and DeWitt, N.T., 2014, Sediment data collected in 2012 from the northern Chandeleur Islands, Louisiana: U.S. Geological Survey Data Series 850, https://dx.doi.org/10.3133/ds850.

ISSN 2327-638X (online)



Contents

Abstract

Introduction

Field Data Collection

Laboratory Methods and Analysis

Data Products and Downloads

Field Activity Logs

Abbreviations

References Cited


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