Sea-bed Sentence Examples
The physical divisions of the Mediterranean given above hold good in describing the form of the sea-bed.
After the " final splice," as it is termed, between these ends has been made, the bight, made fast to a slip rope, is lowered overboard, the slip rope cut, and the cable allowed to sink by its own weight to its resting-place on the sea bed.
The only part of the sea-bed the configuration of which is at all well known is the zone bordering the coasts where the depth is less than about loo fathoms or 200 metres, i.e.
While the forms of the sea-bed are not yet sufficiently well known to admit of exact classification, they are recognized to be as a rule distinct from the forms of the land, and the importance Submarine of using a distinctive terminology is felt.
Assal Lake, according to this theory, formed part of the sea bed.Advertisement
Siemens has pointed out that a profile of the sea-bed can be delineated by taking account of the varying strain on a submarine cable while it is being laid, and the average depth of a section can thus be ascertained with some accuracy.
It has been produced to provide a regional-scale digital bathymetry as a primary dataset for mapping and modeling of the sea bed.
There the bottom slopes very abruptly, descending precipitously at a point not far from the north-east coast of the main island, where soundings have shown 4655 fathoms. This, the deepest sea-bed in the world, is called the Tuscarora Deep, after the name of the United States man-of-war which made the survey.
Possibly ridges of the sea-bed running southward from the southern continents may yet be discovered which would form more natural boundaries than the meridians.
Raised beaches on the coast show that there has been a considerable elevation of the sea-bed.Advertisement
Most geologists hold that the valley is part of an old sea-bed, traces of which remain in numerous shingle-banks and beach-levels.
The path then skirts inland around Kendall's Wharf, still used for landing gravel dredged from the sea bed.
They are moved in tanks to cages anchored to the sea-bed - often in a sheltered sea loch.
A shallow dive with a protected coral reef within the bay and a huge granite massif descending to the sandy sea bed.
This failure is now somewhat redeemed by the 1994 agreement which, however, heavily favors the sea-bed miners.Advertisement
Ideally, offshore structures should be fully protected from both corrosion and marine biofouling right down to the sea bed by copper-nickel sheathing.
They used a special echo sounder, strapped to the hull of their survey boat, to make great sweeps across the sea bed.
It is scarcely possible from the preliminary survey, with soundings several miles apart, to obtain more than a general idea as to the average depth along the route, while the nature of the constituents of the sea bed can only be revealed by a few small specimens brought up at isolated spots, though fortunately the globigerine ooze which covers the bottom at all the greater ocean depths forms an ideal bed for the cable.
A gill net does not destroy the sea bed unlike beam trawlers or even worse scallop dredgers.
Such valleys are very clearly indicated in the belts of the western Baltic by furrows a thousand yards wide and twenty to thirty fathoms deeper than the neighbouring sea-bed.Advertisement
The contour of the sea-bed, however, has been shown to influence this distribution, the continuation of the slope of a steep shore beneath the sea being adverse to their formation, whereas on a gentler slope they may be formed.