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Eng ID | Term | Definition |
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5281 | swash mark | The thin wavy line of fine SAND, mica scales, bits of SEAWEED, etc., left by the UPRUSH when it recedes from its upward limit of movement on... more |
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5282 | swashway | See SWASH. |
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5283 | swath(e) | The strip or lane on the ground or SEAFLOOR scanned by the SWATH(E) SOUNDING SYSTEM when the SURVEY platform proceeds along its COURSE. |
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5284 | swath(e) sounding system | A multi-beam system which is capable of obtaining a lane of soundings from a single ship's track. |
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5285 | swath(e) system | Any of a number of systems which are capable of obtaining a strip or lane of ELEVATIONs or SOUNDINGs from a single SURVEY PLATFORMS’s TRACK.... more |
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5286 | sway | The side-to-side bodily motion of a ship, independent of ROLLING, caused by uniform pressure being exerted all along one side of the hull. |
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5287 | sweep | (v.t. & i.). To tow a line or object below the surface, to determine the least depth in an area or to insure that a given area is free from ... more |
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5288 | sweeping | The process of towing a line or object below the surface, to determine whether an area is free from isolated submerged dangers to vessels an... more |
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5289 | swell | Ocean waves which have travelled out of their generating area. Swell characteristically exhibits a more regular and longer PERIOD and has fl... more |
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5290 | swept area | An area that has been determined to be clear of navigational dangers to a specified DEPTH |
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5291 | swing | In PHOTOGRAMMETRY, a rotation of a PHOTOGRAPH in its own plane about its camera axis. |
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5292 | swinger | See FIX: CIRCULAR. |
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5293 | swinging buoy | See COMPASS ADJUSTMENT BUOY. |
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5294 | swinging ship | The process of placing a vessel on various HEADINGS and comparing MAGNETIC COMPASS readings with the corresponding magnetic DIRECTIONS, to... more |
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5295 | swirl error | See ERROR. |
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5296 | symbol | A CHARACTER, letter, or similar graphic representation used on a CHART, MAP, HYDROGRAPHIC SURVEY SHEET, or DIAGRAM to represent some objec... more |
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5297 | synodical month | See MONTH. |
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5298 | synodic (or synodical) period | The interval of time between any planetary configuration of a CELESTIAL BODY, with respect to the SUN, and the next successive same configur... more |
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5299 | synoptic analysis | Sea WEATHER ANALYSIS. |
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5300 | synoptic chart (or map) | See CHART (or MAP): WEATHER. |