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Eng ID | Term | Definition |
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401 | base map | See MAP. |
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402 | base net | See BASE EXTENSION TRIANGULATION. |
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403 | basepoint | A basepoint is any point on a baseline. |
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404 | base tape (or wire) | A tape or wire of metal or alloy, so designed and graduated that it is suitable for measuring the lengths of BASES. See also TAPE: INVAR, TA... more |
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405 | base terminals | The two extremes of a BASE LINE. Usually marked on a MONUMENT or metal stake buried beneath a visible SURFACE MARK. See also REFERENCE MARK. |
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406 | base tilt | See TILT. |
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407 | basic control | See CONTROL. |
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408 | basic survey | A hydrographic survey so complete and thorough that it does not need to be supplemented by other surveys, and is adequate to supersede, for ... more |
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409 | basin | A DEPRESSION of the SEAFLOOR more or less equidimensional in plan and of variable extent. |
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410 | basin: tidal | A BASIN affected by tidal forces in which water can be kept at a desired LEVEL by means of a gate. |
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411 | bathymeter | An instrument primarily designed for measuring DEPTH of water. |
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412 | bathymetric | (adj.). Of or pertaining to BATHYMETRY. |
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413 | bathymetric chart | See CHART. |
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414 | bathymetric map | A topographic map of the ocean floor, or the bed of a lake. A topographic chart of the bed of a body of water, or a part of it. Generally, b... more |
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415 | bathymetry | The determination of ocean depths. The general configuration of SEAFLOOR as determined by profile analysis of depth data. |
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416 | bathyscaphe (or bathyscaph) | A free, manned vehicle for exploring the deep OCEAN. |
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417 | bathysphere | A diving sphere for deep-sea observations. |
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418 | bathythermogram | The record of temperature versus DEPTH made by a BATHYTHERMOGRAPH. Rarely used. |
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419 | bathythermograph | A device for obtaining a record of temperature against DEPTH in the OCEAN, from a ship underway. |
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420 | bay | A wide INDENTATION in the COASTLINE generally smaller than a GULF and larger than a COVE. For the purposes of the United Nations Conventio... more |