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Hadal zone - Wikipedia
The hadal zone, also known as the hadopelagic zone, is the deepest region of the ocean, lying within oceanic trenches. The hadal zone ranges from around 6 to 11 km (3.7 to 6.8 mi; 20,000 to 36,000 ft) below sea level, and exists in long, narrow, topographic V-shaped depressions. The cumulative area occupied by … 展开
Historically, the hadal zone was not recognized as distinct from the abyssal zone, although the deepest sections were sometimes called "ultra-abyssal". During the early 1950s, the Danish Galathea II and Soviet Vityaz expeditions … 展开
The deepest ocean trenches are considered the least explored and most extreme marine ecosystems. They are characterized by complete lack of sunlight, low temperatures, nutrient … 展开
The exploration of the hadal zone requires the use of instruments that are able to withstand pressures of up to a thousand or more atmospheres. A few haphazard and non-standard tools have been used to collect limited, but valuable, information about the basic biology … 展开
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• Abyssal plain – Flat area on the deep ocean floor
• Deep sea – Lowest layer in the ocean 展开The only known primary producers in the hadal zone are certain bacteria that are able to metabolize hydrogen and methane released by rock and seawater reactions (serpentinization), … 展开
The first manned exploration to reach Challenger Deep, the deepest known part of the ocean located in the Mariana Trench, was accomplished in 1960 by Jacques Piccard 展开
• Forscher filmen lebende Fische in Rekordtiefe (In German) from Spiegel 10/09/2008 about an expedition filming fish at a depth of more than 7,000 m
• Hadal highlights. Schmidt Ocean Institute. 11 January 2015. Archived from the original on 2021-12-21 – … 展开CC-BY-SA 许可证中的维基百科文本 超深渊带 - 维基百科,自由的百科全书
Hadal zone microbial communities - Wikipedia
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Deep-sea community - Wikipedia
The hadal zone (named after Hades, the Greek god of the underworld) is a zone designated for the deepest trenches in the world, reaching depths of below 6,000 metres (20,000 ft). The deepest point in the hadal zone is the Marianas …
The Hadal Zone: - NOAA Ocean Exploration
If there is any place on Earth that can be considered terra (or more accurately, aqua) incognita, it is the ocean’s hadal zone. Named after Hades, the Greek god of the underworld, the hadal zone extends from a depth of 6,000 to 11,000 …
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The Hadal Zone - Cambridge University Press & Assessment
Hadal Zone - Woods Hole Oceanographic Institution
2024年5月16日 · The hadal zone is characterized by extreme depth and pressure, temperatures that hover just above freezing, and complete darkness—at least in terms of light from the sun. Bioluminescence allows …
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Exploring the Hadal Zone: Recent Advances in Hadal Science and ...
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