2019-332-FA (CMHRP activity #8168)

Field Activity 2019-332-FA

Identifier

2019-332-FA

Purpose

Geophysical shoreface mapping offshore of Cedar Island, VA.

Location

Cedar Island, VA, United States, Atlantic Ocean

Summary

Collected 64 CHIRP/SBB lines (all planned lines completed) as well as 138 MBB lines; nearly full coverage, except in extreme nearshore waters.

Info derived

Seafloor depth, seafloor texture, Holocene stratigraphy.

Comments

Assigned Processor: Chelsea Stalk Completion deadline May 2020

Projects

Coastal Sediment Availability and Flux - CSAF

Platform

Sallenger

26' Parker

Itinerary

Start	Wachapreague, VA	2019-08-07
End	Wachapreague, VA	2019-08-20
Days in the field	13

Bounds

West	-75.64318389
East	-75.55571705
North	37.69243582
South	37.5780712

Marine operations

Yes

Personnel

Organization

USGS, St. Petersburg Coastal and Marine Science Center(SPCMSC)

600 Fourth Street South

St. Petersburg, FL33701-4846

(727) 502-8000

Principal investigators

Jennifer L Miselis

Crew members

Nancy T DeWitt	Scientist, Staff
Lance E Thornton	Scientist, Staff
Chelsea A Stalk	Scientist, Staff
Andrew S Farmer	Scientist, Staff

Information specialist(s)

Arnell S Forde	Specialist, Information
Chelsea A Stalk	Specialist, Information
Andrew S Farmer	Specialist, Information

Data types and categories

Data category:	Seismics, Sonar
Data type:	Sub Bottom Profiler, Multibeam, Single Beam, Sound Velocity

Documents: Notes and log books

Name	Description
2019-332-FA_logs	Field Activity Collection System (FACS) logs, acquisition geometry, and geophysical operations log

Equipment used

Equipment	Data types	Datasets
Chirp 512i	Sub Bottom Profiler	4
Multibeam Bathymetry System	Multibeam	2
Castaway-CTD	Sound Velocity	(no data reported)
ODOM-Echotrac CV-100	Single Beam	2

Datasets

Datasets produced in this activity

Dataset name	Equipment	Description	Dataset contact
2019-332-FA_gis	Chirp 512i	Geospatial data	Arnell S Forde
2019-332-FA_nav	Chirp 512i	Navigation data	Arnell S Forde
2019-332-FA_segy	Chirp 512i	Digital chirp subbottom trace data	Arnell S Forde
2019-332-FA_seisimag	Chirp 512i	Processed subbottom profile images	Arnell S Forde
Cedar_Island_2019_MBES_Backscatter.zip	Multibeam Bathymetry System	Processed acoustic intensity backscatter mosaic, derived from the 1-meter grid, provided as a 32-bit float GeoTIFF in WGS84 (G1762)	Chelsea A Stalk
Cedar_Island_2019_MBES_xyz.zip	Multibeam Bathymetry System	Processed elevation point data (xyz) as derived from a 1-meter grid provided in both WGS84 (G1762) ellipsoid height and NAD83 NAVD88 orthometric height using GEIOD12B	Chelsea A Stalk
Cedar_Island_2019_SBES_Tracklines.zip	ODOM-Echotrac CV-100	Single-beam bathymetry tracklines in WGS84 (G1762)	Chelsea A Stalk
Cedar_Island_2019_SBES_xyz.zip	ODOM-Echotrac CV-100	Single-beam bathymetry xyz data in both WGS84 (G1762) ellipsoid height and NAD83 NAVD88 orthometric height using GEOID12B	Chelsea A Stalk