Ocean Trenches - Woods Hole Oceanographic Institution
网页2019年11月7日 · The deepest trench in the world, the Mariana Trench located near the Mariana Islands, is 1,580 miles long and averages just 43 miles wide. It is home to the Challenger Deep, which, at 10,911 meters (35,797 feet), is the deepest part of the ocean. The Tonga, Kuril-Kamatcha, Philippine, and Kermadec Trenches all contain depths …
Human-occupied submersible Alvin makes historic dive
网页2022年7月21日 · Woods Hole, MA — Today, the human-occupied submersible Alvin made history when it successfully reached a depth of 6,453 meters (nearly 4 miles) in the Puerto Rico Trench, north of San Juan, P.R. This is the deepest dive ever in the 58-year history of the storied submersible. The dive was a critical step in the process of achieving ...
Nereus Soars to the Ocean’s Deepest Trench
网页2009年6月4日 · Soars to the Ocean’s Deepest Trench. It took a village of engineers to build a completely new type of unmanned deep-sea robot that can reach the deepest part of the ocean. On May 31, 2009, a team of engineers at Woods Hole Oceanographic Institution (WHOI) celebrated as the unique vehicle called Nereus dove to 10,902 meters (6.8 …
How deep do marine plastics go? - Woods Hole Oceanographic …
网页This “trench trap” is so efficient at funneling debris, in fact, that researchers have detected plastics in nearly all of the world’s deepest trenches, including the Mariana Trench (10,924 meters / 35,839 feet), the Philippine Trench (10,540 meters / 34,580 ft ), the Cayman Trench (7,686 meters / 25,216 feet), and the Java Trench (7,450 ...
Robotic Deep-sea Vehicle Lost on Dive to 6-Mile Depth
网页2014年5月10日 · Robotic Deep-sea Vehicle Lost on Dive to 6-Mile Depth. May 10, 2014. On Saturday, May 10, 2014, at 2 p.m. local time (10 p.m. Friday EDT), the hybrid remotely operated vehicle Nereus was confirmed lost at 9,990 meters (6.2 miles) depth in the Kermadec Trench northeast of New Zealand. The unmanned vehicle was working as part …
Swimming crustacean eats unlikely food source in the deep ocean
网页2024年9月11日 · Unveiling the Deep-Ocean Connection. In the summer of 2022, an interdisciplinary team of researchers and engineers embarked on the human-occupied submersible Alvin at the Puerto Rico Trench and the Mid-Cayman Spreading Center in the Caribbean Sea. Alvin had recently completed an overhaul, including increased dive …
Ocean Zones - Woods Hole Oceanographic Institution
网页The region extending from 6,000 to 11,000 meters is called the hadal, or hadalpelagic, zone after Hades, the Greek god of the underworld. They occur only in trenches across the…. The ocean water column is made up of five zones: the sunlight (epipelagic), twilight (mesopelagic), midnight (bathypelagic), abyssal (abyssopelagic) and hadal zones ...
New Hybrid Deep-sea Vehicle Is Christened Nereus
网页2006年6月26日 · Sea trials will take place offshore Woods Hole in early 2007, and scientists will plan to use it for research later that year at Challenger Deep, a trench in the Pacific Ocean southwest of Guam. It is the deepest area of any ocean, deeper than Mount Everest is high, extending almost 11,000 meters (36,000 feet) beneath the sea surface.
A new way to discover life in the ocean’s deepest, darkest places
网页2024年3月14日 · In 2020, Weston and her then-PhD supervisor, Alan Jamieson, discovered a new species of amphipod nearly 7,000 meters (22,965 feet) deep in the Mariana Trench in the western Pacific. After analyzing its gut contents, they were surprised to find a plastic microfiber and decided to name the organism Eurythenes plasticus to raise awareness of …
Alvin Upgrade - Woods Hole Oceanographic Institution
网页Alvin is the world's longest-operating deep sea submersible. It was launched in 1964 and has made more than 4,700 dives, along the way participating in some of the most iconic discoveries in the deep ocean. Throughout 2011, 2012 and into 2013, Alvin received a comprehensive overhaul and upgrade funded by…