Multi-Channel Seismic and the Half-Way Mark!

We are now about half way through our expedition.  We are closing in on four weeks out at sea and have just under four weeks remaining before we return to terra firma.  We recently reached the western-most point in our journey and turned around to return east across the study area.  Now it’s time to switch gears in … More Multi-Channel Seismic and the Half-Way Mark!

Seeing with Sound

Hi there. My name is John Greene. I am a PhD student studying geophysics at Texas A&M, and today I will be telling you all about multibeam bathymetry. Throughout history, water depth has been one of the fundamental measurements taken by vessels at sea. This used to be done with the very tedious method of … More Seeing with Sound

Seismic Equipment: OBS Part 2 – Deployment!

Howdy! Last couple days have been very very exciting for the science crew. We have started deploying the equipment! At the time of writing, we have finished our first OBS transect (deployed, shot the air guns and collected the OBS) and finished deploying the OBS on the second OBS transect. We are now maneuvering the ship … More Seismic Equipment: OBS Part 2 – Deployment!