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Sediment accumulation, composition and wave data, American Samoa


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Created: May 16, 2026 at 5:49 p.m. (UTC)
Last updated: May 19, 2026 at 3 p.m. (UTC) (Metadata update)
Published date: May 19, 2026 at 3 p.m. (UTC)
DOI: 10.4211/hs.805bec4e00a34a0faa024521949a18c5
Citation: See how to cite this resource
Content types: CSV Content 
Sharing Status: Published
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Abstract

Sediment accumulation rates, sediment composition (percent organic, carbonate, terrigenous), and sediment particle size class (<63 microns and > 63 microns) measured at nine locations in Faga'alu Bay, American Samoa, from March 3, 2014 to April 10, 2015. Data include both gross sediment accumulation measured in tube traps and net sediment accumulation measured using SedPods. Separate files include hourly wave statistics from the Wave Watch 3 model for the cell nearest Faga'alu Bay, and the mean wave energy, 95th percentile wave energy, and suspended sediment yield from the watershed draining to the bay. Further description and analysis is published in https://doi.org/10.1016/j.ecss.2026.109952.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Faga'alu Bay
Longitude
-170.6770°
Latitude
-14.2900°

Temporal

Start Date:
End Date:

Content

README.txt

Sediment accumulation rates and sediment composition (percent organic, carbonate, terrigenous) and particle size class (<63 microns and > 63 microns) measured at nine locations in Faga'alu Bay, American Samoa, from March 3, 2014 to April 10, 2015.  A separate file includes hourly wave statistics from the Wave Watch 3 model for the cell nearest Faga'alu Bay.  The analysis is published in https://doi.org/10.1016/j.ecss.2026.109952.

Files include:
SedPod_Data_formatted:  sediment accumulation rates on SedPods
SedPod_Data_README:  field definitions and units for SedPod_Data_formatted
Trap_Data_formatted:  sediment accumulation rates in traps (tubes)
Trap_Data_README:  field definitions and units for Trap_Data_formatted
WW3_point_data:  modelled wave height from the Wave Watch 3 model at the cell nearest Faga'alu Bay
WW_point_data_README:  field definitions for WW3_point_data
Benthic_sediment:  characteristics of benthic sediment (particle size class, composition)
Benthc_sediment_README: field definitions for Benthic_sediment
wave_energy_SSY_stats:  Mean and 95th percentile wave energy, and suspended sediment yield from watershed for collection periods
wave_energy_SSY_stats_README:  field definitions for wave_energy_SSY_stats

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Oceanic and Atmospheric Administration Coral Reef Conservation Program Award NA13NOS4820025
National Oceanic and Atmospheric Administration Coral Reef Conservation Program Award NA13NOS4820013
National Fish and Wildlife Foundation None 0302.19.064874
National Fish and Wildlife Foundation None 0302.15.048808
United States Geological Survey Coastal and Marine Hazards and Resources Program None

Contributors

People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Sarah Gray University of San Diego

How to Cite

Biggs, T., A. Messina (2026). Sediment accumulation, composition and wave data, American Samoa, HydroShare, https://doi.org/10.4211/hs.805bec4e00a34a0faa024521949a18c5

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/
CC-BY

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