How to use seafloor in a sentence

Looking for sentences and phrases with the word seafloor? Here are some examples.

Sentence Examples Thick carpets of the alien species are crowding out oysters and other native species on the seafloor. But it's certainly made itself at home, forming thick carpets of shells on the seafloor, crowding out indigenous species. There are several advantages in using an implosive source for seismic imaging beneath the seafloor. Two of the most important factors are the topography of the seafloor and the actual shape of the shoreline. As new seafloor forms, the earth's tectonic plates move apart in opposite directions at these spreading centers. Spiny king crabs prowl the deep seafloor for live food, eating other crabs and sea stars. We propose to continue, and hopefully complete, development of an implosive seismic source which can be used on the seafloor. Certain corals, for example, build structures with hexagonal symmetry, but not in seafloor sediment. The molten rock rises to the seafloor and cools to form the layer of crust that paves the ocean floor. At the end of the larval stage, the animals drop down to the seafloor and metamorphose into adults. Like all the seafloor, they are created at midocean ridges, where two plates diverge and hot lava wells up from the underlying mantle. The team used hand tools to tamp the aggregate into the mortar as the structure slowly rose from the seafloor. As the dredge dropped to the seafloor, instruments attached to its cable measured the temperature and optical properties of the seawater. Hagfish live in burrows on the seafloor and locate their food by smelling and feeling as they swim. Most of these are from swimming organisms, such as ammonoids and nautiloid mollusks that lived just above the deep seafloor. Without an internal skeleton, it has to propel itself across the seafloor with bands of minute, hydraulically powered tube feet. For example, about 80 percent of the world's tin deposits occur as unconsolidated placer deposits in riverbeds and on the seafloor. Some types of bacteria living in seafloor mud can generate enough electricity to power small electronic devices, field tests have shown. Rather than trying to hug the seafloor, crablike robots could punt along, relaxing and saving the precious energy in their batteries. The reflectors display a lateral sheet-form with a slight doming of the seafloor suggesting a subtle mound. Show More Sentences Researchers are also exploring how deep-sea trenches bury carbon and other chemicals in the seafloor. Previous cruises had logged the presence of vast seismic reflectors below the seafloor that were so dense that they were often mistaken for the seafloor itself. Drift algae, which are largely absent from tropical reefs, fuel secondary production on temperate reefs by convecting organic carbon from the water column to the seafloor. Boxfish, also known as trunkfish or cowfish, can be found in warm ocean waters, where they linger near the seafloor to hunt for burrowing invertebrates. Finally we were able to descend near to the seafloor, which was littered with fallen chimneys, each several feet in diameter and fluted like a column of a Greek temple. It is possible that faulting along the crests of deep-seated anticlines provide the conduit for mobile muds to migrate through to the seafloor surface. All along the rupture, the seafloor moved vertically about ten metres, which displaced hundreds of kilometres of overlaying water resulting in a massive tsunami. This causes a different type of fauna to exist than on the seafloor, and leads to a theoretically higher degree of endemism. Seamounts are made by extrusion of lavas piped upward in stages from sources within the Earth's mantle to vents on the seafloor. The data showed the configuration of the seafloor where he saw that some undersea mountains had flat tops. In the 1960s, geologists discovered and began to propose mechanisms for seafloor spreading. This provides information on the rate at which seafloor has spread in the past. There is thus a relatively simple relationship between the supercontinent cycle and the mean age of the seafloor. This is followed by passive margin environments, while seafloor spreading continues and the oceans grow. Fossil beaked whales have been recovered by trawling from the seafloor off South Africa. This involves an examination of disturbances near the seafloor, as well as disturbances near the surface. There the sunlight penetrates to the seafloor and the plankton, on which fish feed, thrive. They are defined by oceanographers as independent features that rise to at least 1,000 meters above the seafloor. The exploration of the MAR in the 1950s led to the general acceptance of seafloor spreading and plate tectonics. From here the power travels to a cable attached to the seafloor and back to an offsite facility where it can be added to the power grid. Show More Sentences Strong tidal currents occur in the narrow channels between islands and reefs, and large submarine sand dunes migrate across the seafloor. Hence, there are no mountain tops one can scale to directly gaze at vast expanses of the abyssal seafloor. By using this unique air bladder to adjust their buoyancy, or ability to float, rattails can root around the seafloor in search of food. For months before his dive, Goddio scoured Abu Kir Bay using thousands of sonar readings to map the size, shape, and elevation of the seafloor. Mud that's been churned up, or bioturbated, would be softer, freed of the stiff microbial mat that covered much of the seafloor. As the ship plows through the icy sea and stops at various sampling stations, we lower a huge metal scooper to the seafloor. At each site we lower a huge metal scooper to the seafloor and grab a chunk of mud. Today the ships sit upright on the sanctuary seafloor, still joined at the bow. Then it would commence grinding copper-rich rock on the seafloor into a slurry, vacuuming it up, and pumping it to a ship on the surface. After marine life dies, it decays into nutrients that sink to the seafloor. Many make their homes in the tens of meters of mud just beneath the seafloor. Through the process of seafloor spreading, new ocean crust continually comes into being here. Molten rock erupts onto the seafloor there, then cools and rifts away from the ridge on either side in a process known as seafloor spreading. In addition to this field work Ralph develops synthetic seismogram methods for predicting sound propagation in the seafloor. This could be very useful in monitoring erosion, scour, subsidence, seafloor current regimes and changes in thalwegs in navigation corridors. Evidence for these geomagnetic reversals can be found in basalts, sediment cores taken from the ocean floors, and seafloor magnetic anomalies. The exploration of the MAR in the 1950s lead to the general acceptance of seafloor spreading and plate tectonics. Because of this large anaerobic zone, the seafloor ecology differs from that of the neighbouring Atlantic. Burrowing bivalves are infauna that filter-feed from within seafloor sediments. French Polynesia's seafloor contains rich deposits of nickel, cobalt, manganese, and copper that are not exploited. Show More Sentences Further research suggested that the oil on the bottom of the seafloor was not degrading. A larval stage was probably an evolutionary innovation driven by the increasing level of predation at the seafloor during the Ediacaran period. The process that continually adds new material to the ocean floor is seafloor spreading and the continental slope. In large, crowded areas, brittle stars eat suspended matter from prevailing seafloor currents. Cells reaching deeper water or the shallow seafloor can then rest until conditions become more favourable again. The predominant geology on both the British and French sides and on the seafloor is chalk. Two of these evolve to the point of seafloor spreading, while the third ultimately fails, becoming an aulacogen. Pieces of amber torn from the seafloor are cast up by the waves, and collected by hand, dredging, or diving. A profound consequence of seafloor spreading is that new crust was, and still is, being continually created along the oceanic ridges. Some scientists interpreted these as requiring plate tectonic processes, such as seafloor spreading. Schools of icefish spend the day at the seafloor and the night higher in the water column eating plankton and smaller fish. The rocks making up the crust below the seafloor are youngest along the axis of the ridge and age with increasing distance from that axis. As it flows north, it is constrained by numerous obstacles on the seafloor. Older seafloor is therefore colder than new seafloor, and older oceanic basins deeper than new oceanic basins due to isostasy. Since then, it has been shown that the motion of the continents is linked to seafloor spreading. The driver for seafloor spreading in plates with active margins is the weight of the cool, dense, subducting slabs that pull them along. As the seafloor spreading axis moves along the margin, thermal uplift produces a ridge. High concentrations of methane and sulfide in the fluids escaping from the seafloor are the principal energy sources for chemosynthesis. The older the seafloor, the deeper it lies, and this determines the minimum depth from which the seafloor begins to descend. Accretion occurs as mantle is added to the growing edges of a tectonic plate, usually associated with seafloor spreading. Show More Sentences The process of seafloor spreading helps to explain the concept of continental drift in the theory of plate tectonics. These thermodynamic conditions exceed the critical point of seawater, and are the highest temperatures recorded to date from the seafloor. Experts also found a tubeworm at a depth of 990m on the seafloor in one part of the Gulf of Mexico. The tremendous upthrust from the seafloor unleashed a series of enormous tsunami waves, the first of which struck the coast within an hour. Planning for the submersible survey required geodetically precise knowledge of the seafloor characteristics of the study area. Somehow, the cable snagged a huge pillow lava in a nook between two bulbous lobes and wrenched it up from the seafloor. Because parts of the ridge are continually spreading and forming new sections of seafloor, scientists call these places seafloor spreading centers. Rifting and subsequent seafloor spreading progressed from south to north. This theory is supported by several types of observations, including seafloor spreading and the global distribution of mountain terrain and seismicity. Flatfish generally react to approaching objects at much closer ranges than do roundfish and remain very close to the seafloor when avoiding such objects. A Ukrainian teen watching NEPTUNE's online webcams glimpsed the snout of a mysterious creature slurping up a slimy hagfish on the seafloor, at a depth of nearly 900 meters. These currents are strongly influenced by bottom topography, since dense, bottom water must forcefully flow over and around depressions and projections in the seafloor. Fugro will use two vessels equipped with side scan sonar, multibeam echo sounders and video cameras to scour the seafloor, which is close to 5,000 m deep in places. Official said it is essential to map the available resources of sea through oceanographic, bathymetric seafloor classification and high resolution seismic surveys. With small changes in ocean temperature, gas hydrate can release its methane into the sediments, and the gas may escape at the seafloor to form plumes in the water column. This new, second-generation Deep Ocean Assessment and Reporting of Tsunamis system consists of pressure-sensitive tsunameters on the seafloor, and buoys on the ocean surface. All types of seafloor sediments are found in the Adriatic Sea. As the seafloor spreads, magma wells up from the mantle, cools to form new basaltic crust on both sides of the ridge, and is carried away from it by seafloor spreading. However, ecosystem structure and function at the deep seafloor have historically been very poorly studied because of the size and remoteness of the abyss. The structure of abyssal ecosystems are strongly influenced by the rate of flux of food to the seafloor and the composition of the material that settles. Show More Sentences This obvious correlation can be removed by looking at the relative depth, the difference between regional seafloor depth and maximum trench depth. Beneath the inner trench wall, the two plates slide past each other along the subduction decollement, the seafloor intersection of which defines the trench location. Thus older seafloor is underlain by denser material and 'sits' lower. This type of oceanic mountain ridge is characteristic of what is known as an oceanic spreading center, which is responsible for seafloor spreading. Bivalves such as Adamussium colbecki move around on the seafloor, while others such as Laternula elliptica live in burrows filtering the water above. Tsunamis are powerful waves that form when a large volume of water is suddenly displaced, as when the seafloor buckles during an underwater earthquake. Coast and Geodetic Survey who first coined the term seafloor spreading. What's more, they gathered evidence that seafloor spreading on the Gakkel Ridge occurs in a fundamentally different way compared to other previously explored ridges. Dinoflagellate theca can sink rapidly to the seafloor in marine snow. Examples from Classical Literature Bottom trawls are used in catching marine life that live on the seafloor, like shrimp, cod, sole and flounder. Some trilobites scurrying across the seafloor around 500 million years ago had two-lane digestive tracts. These so-called outrunner blocks, which aren't seen in avalanches on land, often show up on seafloor maps of ancient landslides. Find more words! 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Words that rhyme with seafloor What is the plural of seafloor? Use our Sentence Generator Nearby Words seafaring seafarers seafarer sea-dog seadog Seacrest sea floor spreading sea-floor spreading seafloor spreading seafoam seafood seafoods 8-letter Words Starting With s se sea seaf seafl seaflo seafloo