Title :
Survey results of ORCA in the Gulf of Mexico
Author :
Kalcic, Maria T. ; Hammack, James A. ; Harris, Michael M. ; Fabre, David H.
Author_Institution :
Naval Res. Lab., Stennis Space Center, MS, USA
Abstract :
The Oceanographic Remote Controlled Automaton (ORCA) is a diesel-powered semi-submersible designed to survey water depths from 10 to 300 m. The ORCA is currently outfitted with a Simrad EM-950, a 95-kHz multibeam system. ORCA field trials were conducted with the EM-950 in February, 1995, off the coast of Pensacola, FL where bathymetry was collected over a previously surveyed National Oceanic and Atmospheric Administration (NOAA) site. The NOAA data were collected by the Whiting with the Hydrochart II, a 36-kHz multibeam system. The USNS Pathfinder also collected data at the site with a Simrad EM-121, a 12-kHz multibeam system. Data sets are compared and evaluated for noise, bias and consistency. Results are presented and interpreted in terms of standards for hydrographic surveys
Keywords :
bathymetry; geophysical equipment; geophysical techniques; oceanographic equipment; oceanographic regions; oceanographic techniques; seafloor phenomena; sonar imaging; 95 kHz; AD 1995 02; Florida; Gulf of Mexico; ORCA; Oceanographic Remote Controlled Automaton; Pensacola; Simrad EM-950; USA; United States; bathymetry; coast; diesel-powered semi-submersible; field trials; geophysical equipment; hydrographic survey; instrument; measurement technique; multibeam sonar; ocean; sea; seafloor topography; sonar imaging; Automata; Automatic control; Calibration; Communication system control; Global Positioning System; Laboratories; Oceanographic techniques; Presence network agents; Radio control; Vehicles;
Conference_Titel :
OCEANS '95. MTS/IEEE. Challenges of Our Changing Global Environment. Conference Proceedings.
Conference_Location :
San Diego, CA
Print_ISBN :
0-933957-14-9
DOI :
10.1109/OCEANS.1995.528880
