In accordance with SO #3423 - The Gulf of America and SO #3424 - Mount McKinley and Landmarks Honoring the Alaskan People, new USGS data releases specific to those named places will utilize the new name Gulf of America and the restored name Mount McKinley. Per USGS practice, historical data will retain the name of the geographic features as they were known at the time the data were originally released.
Data Release
Archive of Chirp Subbottom Profile Data Collected in 2019 From Cedar Island, Virginia
By Arnell S. Forde, Chelsea A. Stalk, and Jennifer L. Miselis
USGS, St. Petersburg, Florida
Summary
As part of the Coastal Sediment Availability and Flux Project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted a nearshore geophysical survey to map the shoreface of Cedar Island, Virginia (VA) in August of 2019. The objective of the project is to improve the understanding of barrier island geomorphic evolution and the sediment fluxes that drive that evolution over geologic and historic time scales. Collecting geophysical data can help researchers to identify relationships between the geologic history of the island, its present-day morphology, and sediment distribution. High-resolution geophysical data collected along this barrier island system can further the analyses and geomorphological interpretations of this and other coastal systems, improving researchers understanding of coastal response and evolution.
This data release serves as an archive of subbottom profile and navigation data collected August 9–14, 2019, offshore of Cedar Island, VA, during USGS Field Activity Number 2019-332-FA. Data products, including chirp subbottom profile data and images, survey trackline map, location data with formal Federal Geographic Data Committee metadata, and field logs are provided.
Data
| File Name and Description | Metadata (XML format) | Metadata (text format) | Download File |
|---|---|---|---|
| 2019-332-FA_segy.zip Digital chirp subbottom trace data (.sgy) |
2019-332-FA_metadata.xml | 2019-332-FA_metadata.txt | 2019-332-FA_segy.zip (7.93 GB) |
| 2019-332-FA_nav.zip Navigation data (.txt) |
Same as above | Same as above | 2019-332-FA_nav.zip (6.6 MB) |
| 2019-332-FA_seisimag.zip Processed subbottom profile images (.gif) |
Same as above | Same as above | 2019-332-FA_seisimag.zip (57.3 MB) |
| 2019-332-FA_gis.zip Geospatial data (.mxd, .kmz, .shp) |
Same as above | Same as above | 2019-332-FA_gis.zip (62.3 MB) |
| Supplemental information | |||
| 2019-332-FA_logs.zip Field Activity Collection System (FACS) logs, acquisition geometry, and geophysical operations log (.docx, .xlsx) |
Not applicable | Not applicable | 2019-332-FA_logs.zip (207 KB) |
Figure 1. Regional map showing the August 2019 study area (indicated by red box) and trackline locations.
Suggested Citation
Forde, A.S., Stalk, C.A., and Miselis, J.L., 2020, Archive of chirp subbottom profile data collected in 2019 from Cedar Island, Virginia: U.S. Geological Survey data release, https://doi.org/10.5066/P9S75Q0U.