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Bar, of a port or harbour
| Глоссарий морской лексики и терминологии (английский язык) |
An accumulated shoal or bank of sand, shingle, gravel, or other uliginous substances, thrown up by the sea to the mouth of a river or harbour, so as to endanger, and sometimes totally prevent, the navigation into it.—bars of rivers are some shifting and some permanent. the position of the bar of any river may commonly be guessed by attending to the form of the shores at the embouchure. the shore on which the deposition of sediment is going on will be flat, whilst the opposite one is steep. it is along the side of the latter that the deepest channel of the river lies; and in the line of this channel, but without the points that form the mouth of the river, will be the bar. if both the shores are of the same nature, which seldom happens, the bar will lie opposite the middle of the channel. rivers in general have what may be deemed a bar, in respect of the depth of the channel within, although it may not rise high enough to impede the navigation—for the increased deposition that takes place when the current slackens, through the want of declivity, and of shores to retain it, must necessarily form a bank. bars of small rivers may be deepened by means of stockades to confine the river current, and prolong it beyond the natural points of the river`s mouth. they operate to remove the place of deposition further out, and into deeper water. bars, however, act as breakwaters in most instances, and consequently secure smooth water within them. the deposit in all curvilinear or serpentine rivers will always be found at the point opposite to the curve into which the ebb strikes and rebounds, deepening the hollow and depositing on the tongue. therefore if it be deemed advisable to change the position of a
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Navigation, английский
- The art and science of conducting a boat safely from one point to another.
- Навигация
- The art and science of conducting a ship safely from one point to another
- Мореходство, судоходство, плавание,
- Судовождение, судоходство
- The art of conducting vessels on the sea, not only by the peculiar knowledge of seamanship in all its intricate details, but also by such a knowledge of the higher branches of nautical astronomy as enables the commander to hit his port, after a long succession of bad weather, and an absence of three or four months from all land. any man without science may navigate the entire canals of great britain, but may be unable to pass from plymouth to guernsey.
- The science or art of planning, ascertaining, and recording the course of a vessel or aircraft; including fixing present and predicting future location, and collision avoidance. the word comes from the sanskrit navagati.
- Навигация; перемещение
- The mechanism used to direct users around a website.
Embouchure, английский
A french word adopted as signifying the mouth of a river, by which its waters are discharged, or by which it is entered. the term is now in general use.
Deposition, английский
- Отложение; осаждение; осаждённый [напылённый] слой ~ of soil отсыпка грунта
- The laying down of any material by any agent such as wind, water, ice or by other natural processes. hp
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Baracoota, английский
A tropical fish (sphyr?na baracuda), considered in the west indies to be dangerously poisonous at times, nevertheless eaten, and deemed the sea-salmon.
Banstickle, английский
A diminutive fish, called also the three-spined stickleback (gasterosteus aculeatus).
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