Site Investigations The site investigations team includes engineers, hydrographers and surveyors with demonstrated expertise in oceanography, geology and environmental science, specializing in field operations at remote locations throughout the Caribbean and the Americas. Coastal Systems maintains full capabilities for coastal/marine surveying with the following representative hardware/software systems: Survey Echo Sounders Survey Vessels RTK GPS/DGPS GIS Services Towed Underwater Video Systems Wave/Tide Gauges Total Stations Side-Scan Sonar