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A seamount is a large submarine landform that rises from the ocean floor without reaching the water surface (sea level), 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.
Seamounts rise up high in the water column, creating complex current patterns influencing what lives on and above them. Seamounts also provide substrate (a location for attachment) where organisms can settle and grow.
Seamount, large submarine volcanic mountain rising at least 1,000 m (3,300 feet) above the surrounding deep-sea floor; smaller submarine volcanoes are called sea knolls, and flat-topped seamounts are called guyots.
31 gru 1994 · This chapter deals with the current knowledge on the effects of seamounts on pelagic ecosystems, factors that influence the structure of seamount communities, the establishment, maintenance and...
What Is a Seamount? 1.2. The Geological Origin of Seamounts. 1.3. The Number of Seamounts in the Global Ocean. 2. The Ecology of Seamounts. 2.1. Interactions Between Seamounts and the...
26 paź 2023 · Seamounts represent crust-mantle activities and are areas of petrological deviations, biodiversity, seismicity and hydrothermal events. An estimated ~50 million tons/year of basalts are required to produce seamounts suggesting intense oceanic volcanism.
What is a Seamount? Most seamounts are remnants of extinct volcanoes, while others are actively erupting and growing. Typically, they are cone shaped, but often have other prominent features such as craters and linear ridges. One type, called a guyot (gē’-ō), has a large, flat summit.