USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 2002-051-FA

Other ID: RB0208

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Location: Puerto Rico Trench, Puerto Rico, United States, Caribbean Sea, North America, North Atlantic;

Principal Investigator(s): Uri Ten Brink

Affiliate Investigator(s):

Information Specialist(s): Jennifer Martin

Data Type(s): Environmental Data: CTD, Environmental Data: Temperature, Imagery: Photo, Sonar: Multibeam

Scientific Purpose/Goals: Multibeam bathymetry of the Puerto Rico trench.


Start Date: 2002-09-24

Start Port/Location: San Juan, Puerto Rico

End Date: 2002-09-30

End Port/Location: San Juan, Puerto Rico

Equipment Used: SeaBeam 2112, SBE 9 CTD, XBT, Digital camera

Information to be Derived: Sea floor map; Bathymetric maps; Morphology;

Summary of Activity and Data Gathered: Multibeam bathymetry and acoustic backscatter data were collected in an area roughly 25,000 km2 in size using SeaBeam 2112 (12 kHz) system mounted on the hull of the NOAA ship RONALD H. BROWN. Onboard tests have established the spatial resolution of the multibeam bathymetry and the backscatter image at this large water depth to be 100-150 m and 30 m, respectively. The vertical resolution could not be established independently from the data, but is thought to be about 0.5% of the water depth.

Staff: William Danforth, Uri Ten Brink, Charles Worley

Affiliate Staff:
Shepard Smith

Notes: Project = Caribbean Tsunami and Earthquake Hazard Studies, Caribbean Tsunami and Earthquake Hazard Studies

Location Map:


photo of Ronald H. Brown
Ronald H. Brown


(Bathymetry) ten Brink, Uri, Worley, Charles R., Smith, Shep, Stepka, Thomas, and Williams, Glynn F.,2006, Project PROBE Leg I - report and archive of multibeam bathymetry and acoustic backscatter, CTD/XBT and GPS navigation data collected during USGS Cruise 02051 (NOAA Cruise RB0208) Puerto Rico Trench September 24, 2002, to September 30, 2002: U.S. Geological Survey Open-File Report 2005-1066, DVD-ROM.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
SeaBeam 2112 --- Multibeam
XBT --- Temperature
Digital camera --- Photo
2002-051-FA-PH-001 ( Deck photos of field activity operations)