SONAR ARIS EXPLORER

Sound Metrics image sonars transmit sound pulses and convert the returns to digital images, much like medical ultrasound. The big advantage is that they allow you to "see" what is happening in waters where visibility is zero, with total darkness and cloudy water.

SHIPEK GRAB

This hefty center-pivot sampler is designed to sample unconsolidated sediments from soft ooze to hard-packed silts from deep lakes and near offshore. It brings up virtually un- disturbed, unwashed samples to the surface from any depth.