abyssal sediment

"金山词霸2003法学大词典":
深海沉积物

English-Chinese law dictionary (法律英汉双解大词典). 2013.

Look at other dictionaries:

  • abyssal zone — n. the ecological zone along the deep ocean floor between the bathyal and hadal zones * * * ▪ geology       portion of the ocean deeper than about 2,000 m (6,600 feet) and shallower than about 6,000 m (20,000 feet). The zone is defined mainly by… …   Universalium

  • abyssal hill — ▪ geology       small, topographically well defined submarine hill that may rise from several metres to several hundred metres above the abyssal seafloor, in water 3,000 to 6,000 m (10,000 to 20,000 feet) deep. Typical hills have diameters of… …   Universalium

  • Abyssal plain — Abyssal plains are flat or very gently sloping areas of the deep ocean basin floor. They are among the Earth s flattest and smoothest regions and the least explored. Abyssal plains cover approximately 40% of the ocean floor and reach depths… …   Wikipedia

  • Abyssal fan — Abyssal Fans, also known as deep sea fans, underwater deltas, and submarine fans, are underwater structures that look like deltas formed at the end of many large rivers, such as the Nile or Mississippi Rivers. Abyssal fans are also thought of as… …   Wikipedia

  • Sediment Profile Imagery — (SPI) is an underwater technique for photographing the interface between the seabed and the overlying water. The technique is used to measure or estimate biological, chemical, and physical processes occurring in the first few centimetres of… …   Wikipedia

  • Abyssal channel — Abyssal channels are channels in Earth s sea floor. They are formed by fast flowing floods of turbid water caused by avalanches near the channel s head, with the sediment carried by the water causing a a build up of the surrounding abyssal plains …   Wikipedia

  • abyssal plain — Flat seafloor area at a depth of 10,000–20,000 ft (3,000–6,000 m), generally adjacent to a continent. The larger plains are hundreds of miles wide and thousands of miles long. The plains are largest and most common in the Atlantic Ocean, less… …   Universalium

  • Sediment — Cobbles on a beach River Rhône flowing into Lake Geneva …   Wikipedia

  • abyssal plain — noun : any of the great flat sediment covered areas of ocean floor * * * abyssal plain, a deep, extremely level undersea plain, such as the plain lying about 750 miles to 1,000 miles off the eastern coast of North America, with deposits of clay,… …   Useful english dictionary

  • abyssal plain — noun Date: 1954 any of the great flat sediment covered areas of ocean floor see continental shelf illustration …   New Collegiate Dictionary

  • abyssal plain — /əbɪsəl ˈpleɪn/ (say uhbisuhl playn) noun a flat or very gently sloping area on the bottom of the abyssopelagic zone which is covered in sediment accumulated over millions of years …   Australian English dictionary

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