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abyssal    
a. 深渊的,深海的

深渊的,深海的

abyssal
adj 1: relating to ocean depths from 2000 to 5000 meters
2: resembling an abyss in depth; so deep as to be unmeasurable;
"the abyssal depths of the ocean" [synonym: {abysmal}, {abyssal},
{unfathomable}]

Abyssal \A*byss"al\, a. [Cf. {Abysmal}.]
Belonging to, or resembling, an abyss; unfathomable.
[1913 Webster]

{Abyssal zone} (Phys. Geog.), one of the belts or zones into
which Sir E. Forbes divides the bottom of the sea in
describing its plants, animals, etc. It is the one
furthest from the shore, embracing all beyond one hundred
fathoms deep. Hence, abyssal animals, plants, etc.
[1913 Webster]

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  • Abyssal Zone - Woods Hole Oceanographic Institution
    The abyssal zone, or the abyss, is the seafloor and water column from 3,000 to 6,500 meters (9,842 to 21,325 feet) depth, where sunlight doesn’t penetrate
  • Abyssal Zone – Woods Hole Oceanographic Institution
    Abyssal Zone Woods Hole Oceanographic Institution is the world's leading non-profit oceanographic research organization Our mission is to explore and understand the ocean and to educate scientists, students, decision-makers, and the public
  • Ocean Zones - Woods Hole Oceanographic Institution
    The ocean water column is made up of five zones: the sunlight (epipelagic), twilight (mesopelagic), midnight (bathypelagic), abyssal (abyssopelagic) and hadal zones (trenches)
  • Mid-ocean Ridges - Woods Hole Oceanographic Institution
    What are mid-ocean ridges? Mid-ocean ridges form the longest mountain range in the world, nearly all of which lies beneath the sea These ridges crisscross the world’s oceans like stitches on a baseball; together they measure nearly 65,000 kilometers (about 40,000 miles) in length Most of Earth’s volcanic activity occurs along mid-ocean ridges, which form along the seams between tectonic
  • A rare black seadevil anglerfish sees the light
    The deep ocean is a world of extremes—intense pressure, frigid temperatures, and perpetual darkness It is also home to astonishing life forms, uniquely adapted to survive in conditions that would be unfathomable for most creatures Among these is the black seadevil anglerfish, Melanocetus johnsonii, a species so elusive it once seemed more folklore than fact Recently, however, a remarkable
  • How the Ocean Works - Woods Hole Oceanographic Institution
    Understanding how the ocean works is foundational to understanding life on this planet and to the discipline of oceanography Get to know the big systems of the ocean: its cycles, circulation, zones, and connection to the atmosphere Learn about ocean chemistry, life and landscapes on the seafloor, plate movements, shorelines, and icy regions
  • Woods Hole Oceanographic Institution
    Few abyssal measurements exist, and it is premature to estimate a global numerical average of a process dominated by a few extreme regions We have shown that currents of 1 mm s (far smaller than those associated with typical rms mesoscale circulation) are adequate to bring about a lateral homogeni- zation spreading from mixing centers
  • Clustering of Suspension-Feeding Macrobenthos Near Abyssal Hydrothermal . . .
    Clustering of Suspension-Feeding Macrobenthos Near Abyssal Hydrothermal Vents at Oceanic Spreading Centers by
  • WHOI reveals upgrades to iconic submersible Alvin
    When this latest overhaul is completed, Alvin will enable in-person study of the lower Abyssal Zone and the upper Hadal Zone—one of the least-understood parts of the deep sea and home to high-temperature hydrothermal vents, submarine volcanoes, subduction trenches, mineral resources, and more
  • Ecosystems - Woods Hole Oceanographic Institution
    Ocean ecosystems are found in polar regions, coastal waters, coral reefs, hydrothermal vents, the abyssal plain, and at the bottom of the sea





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