ROV Retrieved a Mammoth Tusk

https://www.ksbw.com/article/monterey-bay-mammoth-tusk-science-mbari/38326538#

Of all the unusual things to find, researchers at Monterey Bay Aquarium Research Institute (MBARI) found and retrieved a mammoth tusk at a depth of ~3,000m (10,000 ft) off the coast of California!

“This specimen’s deep-sea preservational environment is different from almost anything we have seen elsewhere,” said University of Michigan paleontologist Daniel Fisher, who specializes in the study of mammoths and mastodons. “Other mammoths have been retrieved from the ocean, but generally not from depths of more than a few tens of meters.”

Full article at: KSBW.com 23nov21

84-year old Shipwreck Found Using ROV

The Great Lakes Shipwreck Historical Society announced last week the discovery of a WWII-era ship that sank in the world’s largest freshwater lake, Lake Superior, between Canada and the USA.

The vessel is the 244ft bulk carrier SS Arlington, that left Port Arthur, Ontario, on 30 April 1940, and was sunk early on 1 May after a storm battered the ship and it took on water.

The decision by Captain Frederick “Tatey Bug” Burke to stay aboard the sinking vessel is still a mystery.

Full articles at: TheIndependentUK 16feb23 and SmithsonianMag 16feb24

ROVs for Mapping Dredging Work

ROVs are fantastic tools for underwater activities, like visual inspections of assets, habitat mapping, search and rescue, etc. Just one recent example is an ROV being used to visualize dredging activity for deep-sea quay construction in the Port of Rotterdam, Netherlands.

Full article at: DredgingToday 13feb24