The clouds are breaking up. Blue sky peeks through over the northern horizon as the geologists gather astern to lower the transducer platform catamaran into the drink. Its snaking cable feeds into the sub-bottom profiler. The mini-catamaran trails Discovery . In the computer-filled lab area amidships, the profiler's scrolling graphic readout provides an image of the levels below the floor surface.
Sound waves bounce back reflections of any density change.
Younger weaves back and forth over the berm site, Discovery's course now one of transecting lines. Notes are penciled hastily amid the click of calculators. West to east, east to west, Discovery combs the berm site. Halka eats microwaved pasta as he scrutinizes a computer screen. But as the day wears on, the time for remote sensing comes to an end.