Click to enlarge current status Good day, Day #7! On-board USCGC Healy, it's windy, cold, and the ocean we are floating upon is just a wee bit perturbed. Source: http://goo.gl/Wpu9LY We are currently coring and sampling sediments in the Beaufort Sea, around the area where the Mackenzie River meets the Beaufort Sea, north of Tuktoyaktuk . [Click to enlarge map image to the right] The science has begun to take an exciting turn. Not only are we tracking-down the signals for the icy source of the Younger Dryas, as explained in yesterday's blog , our principal investigators (PIs) have made an unusual and momentous observation. Using the CHIRP instrument , a multibeam bathymetric surveyor, our PIs observed a "bench," on the continental shelf, with an abundance of what appears to be undisturbed sediment build-up that had been previously undiscovered. This non-tectonic build-up of sediment appears to extend for hundreds of kilometers, from about Barrow, AK to th
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