SEAMOUNTS 'SEAMOUNTS' is a 9 letter word starting and ending with S Synonyms, crossword answers and other related words for SEAMOUNTS We hope that the following list of synonyms for the word seamounts will help you to finish your crossword today. The seamount may even grow above sea level to become an oceanic island (for example, the 2009 eruption of Hunga Tonga). Because of their abundance, seamounts are one of the most common oceanic ecosystems in the world. Change the target language to find translations. They are defined by oceanographersas independent features that rise to at least 1,000 m (3,281 ft) above the seafloor, characteristically of conical form.

As they are formed from volcanic rock, the substrate is much harder than the surrounding sedimentary deep sea floor. What types of Crossword Puzzles are there. Seamounts were first extensively fished in the second half of the 20th century, due to poor management practices and increased fishing pressure seriously depleting stock numbers on the typical fishing ground, the continental shelf. 26 g/t, n=40).

Bathymetric showing part of Davidson Seamount.

95% of ecological damage is done by bottom trawling, which scrapes whole ecosystems off seamounts. During the first stage the volcano erupts basalt of various types, caused by various degrees of mantle melting. The English word games are: Because of this upwelling seamounts often carry above-average plankton populations, seamounts are thus centers where the fish that feed on them aggregate, in turn falling prey to further predation, making seamounts important biological hotspots. [11], Seamounts may thus be vital stopping points for some migratory animals, specifically whales.

Use the “Crossword Q & A” community to ask for help. Seamounts have an average area of 790 km2 (310 sq mi), with the smallest seamounts found in the Arctic Ocean and the Mediterranean and Black Seas, whilst the largest mean seamount size occurs in the Indian Ocean 890 km2 (340 sq mi).

These include the Hawaiian (Emperor), Mariana, Gilbert, Tuomotu and Austral Seamounts (and island groups) in the north Pacific and the Louisville and Sala y Gomez ridges in the southern Pacific Ocean. It had its trade route, but it had autonomous authority to choose its own course between ports, steering around storms and seamounts and even following whales as it wished. The Return Of The Living Dead 2, Here it is subducted under the plate margin and ultimately destroyed, but it may leave evidence of its passage by carving an indentation into the opposing wall of the subduction trench. However, only the first two have any potential of being targeted by mining in the next few decades.

The date corresponded with a massive flank collapse at the nearby Mauna Loa, and it was theorized that it was a massive tsunami, generated by the landslide, that deposited the fossils. [14] Knolls are isolated elevation spikes measuring less than 1,000 meters (3,281 ft). [11] A catastrophic collapse at Detroit Seamount flattened its whole structure extensively. [7], Many seamounts show signs of intrusive activity, which is likely to lead to inflation, steepening of volcanic slopes, and ultimately, flank collapse. Kubota Bh77 Craigslist, [5] The most detailed seamount mappings are provided by multibeam echosounding (sonar), however after more than 5000 publicly held cruises, the amount of the sea floor that has been mapped remains minuscule.

Enter the answer length or the answer pattern to get better results. [7], Ocean-ridge volcanoes in particular have been observed to follow a certain pattern in terms of eruptive activity, first observed with Hawaiian seamounts but now shown to be the process followed by all seamounts of the ocean-ridge type. Choose the design that fits your site. They tend to gather small particulates and thus form beds, which alters sediment deposition and creates a habitat for smaller animals. Seamounts are built in a far more dynamic oceanic setting then their land counterparts, resulting in horizontal subsidation as the seamount moves on the grinding plate towards a subduction zone. Most seamounts are built by one of two volcanic processes, although some, such as the Christmas Island Seamount Province near Australia, are more enigmatic. Because they project out above the surrounding sea floor, they disturb standard water flow, causing eddies and associated hydrological phenomena that ultimately result in water movement in an otherwise still ocean bottom.

Some seamounts also experience a brief "rejuvenated" period after a hiatus of 1.5 to 10 million years, the flows of which are highly alkalic and produce many xenoliths. If a particular answer is generating a lot of interest on the site today, it may be highlighted in orange. Keystone Hideout 179 Lhs Specs, Seamounts are typically formed from extinct volcanoes that rise abruptly and are usually found rising from the seafloor to 1,000–4,000 m (3,300–13,100 ft) in height. Isolated seamounts and those without clear volcanic origins are less common; examples include Bollons Seamount, Eratosthenes Seamount, Axial Seamount and Gorringe Ridge. De Forges, BR; Richer de Forges, J. Anthony Koslow, and G. C. B. Poore (22 June 2000).

[1] The peaks are often found hundreds to thousands of meters below the surface, and are therefore considered to be within the deep sea. For instance, Muirfield Seamount is named after the ship that hit it in 1973. [2] Many seamounts also have hydrothermal vent communities, for example Suiyo[19] and Loihi seamounts. We use cookies on The Crossword Solver to help our site work, to understand how it is used and to tailor the advertisements shown on our site.

The first are guyots, seamounts with a flat top.

The seamount may even grow above sea level to become an oceanic island (for example, the 2009 eruption of Hunga Tonga). Seamounts were first extensively fished in the second half of the 20th century, due to poor management practices and increased fishing pressure seriously depleting stock numbers on the typical fishing ground, the continental shelf. K. Hoernle, F. Hauff, R. Werner, P. van den Bogaard, A. D. Gibbons, S. Conrad, and R. D. Müller (27 November 2011). Although seamounts have been sampled as far back as the 19th century, their depth and position meant that the technology to explore and sample seamounts in sufficient detail did not exist until the last few decades.

A seamount is a large geologic landform that rises from the ocean floor but that does not reach to the water's surface (), and thus is not an island, islet or cliff-rock.Seamounts are typically formed from extinct volcanoes that rise abruptly and are usually found rising from the seafloor to 1,000–4,000 m (3,300–13,100 ft) in height. [17] Some seamounts also have a carbonate or sediment cap. and Pitcher, T.J. (2008). Because of their abundance, seamounts are one of the most common marine ecosystems in the world.

Seamounts are typically formed from extinct volcanoes that rise abruptly and are usually found rising from the seafloor to 1,000–4,000 m (3,300–13,100 ft) in height.

The problem is confounded by the dangers of trawling, which damages seamount surface communities, and the fact that many seamounts are located in international waters, making proper monitoring difficult.

This causes a different type of fauna to exist than on the seafloor, and leads to a theoretically higher degree of endemism. The peaks are often found hundreds to thousands of metres below the surface, and are therefore considered to be within the deep sea.

13 letters (8,5). This is in sharp contrast with the typical deep-sea habitat, where deposit-feeding animals rely on food they get off the ground. [32] Much of what is known about seamounts ecologically is based on observations from Davidson.



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