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  2. Nautical chart - Wikipedia

    en.wikipedia.org/wiki/Nautical_chart

    A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks. Depending on the scale of the chart, ...

  3. Hydrography - Wikipedia

    en.wikipedia.org/wiki/Hydrography

    The hydrographic chart will use the best data available and will caveat its nature in a caution note or in the legend of the chart. A hydrographic survey is quite different from a bathymetric survey in some important respects, particularly in a bias toward least depths due to the safety requirements of the former and geomorphologic descriptive ...

  4. Hydrographic survey - Wikipedia

    en.wikipedia.org/wiki/Hydrographic_survey

    Hydrographic survey is the science of measurement and description of features which affect maritime navigation, marine construction, dredging, offshore wind farms, offshore oil exploration and drilling and related activities. Surveys may also be conducted to determine the route of subsea cables such as telecommunications cables, cables ...

  5. Hydrograph - Wikipedia

    en.wikipedia.org/wiki/Hydrograph

    A stream hydrograph is commonly determining the influence of different hydrologic processes on discharge from the subject catchment. Because the timing, magnitude, and duration of groundwater return flow differs so greatly from that of direct runoff, separating and understanding the influence of these distinct processes is key to analyzing and simulating the likely hydrologic effects of ...

  6. Electronic navigational chart - Wikipedia

    en.wikipedia.org/wiki/Electronic_navigational_chart

    An electronic navigational chart (ENC) is an official database created by a national hydrographic office for use with an Electronic Chart Display and Information System (ECDIS). [1] ECDIS and ENCs are the primary means of electronic navigation on cargo ships . [ 1 ]

  7. Hydrographics - Wikipedia

    en.wikipedia.org/wiki/Hydrographics

    Hydrographic Department, UK agency for providing hydrographic and marine geospatial data; Hydrographic surveys, science of measurement and description of features which affect maritime navigation, construction, dredging, oil exploration, and drilling; Atlas Hydrographic, a hydrographic and oceanographic systems company

  8. Hydrographic office - Wikipedia

    en.wikipedia.org/wiki/Hydrographic_office

    A hydrographic office is an organization which is devoted to acquiring and publishing hydrographic information. Historically, the main tasks of hydrographic offices were the conduction of hydrographic surveys and the publication of nautical charts.

  9. Office of Coast Survey - Wikipedia

    en.wikipedia.org/wiki/Office_of_Coast_Survey

    The Marine Chart Division, responsible for processing nautical data, producing raster, paper, and electronic charts, and making critical corrections to charts. The Hydrographic Survey Division , which conducts hydrographic surveys , acquires data, and maintains Atlantic and Pacific hydrographic branches