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Hydrography is the branch of applied sciences which deals with the measurement and description of the physical features of oceans, seas, coastal areas, lakes and rivers, as well as with the prediction of their change over time, for the primary purpose of safety of navigation and in support of all other marine activities, including economic ...
Bathymetric map of Kamaʻehuakanaloa Seamount (formerly Loihi) with isobaths. A bathymetric chart is a type of isarithmic map that depicts the submerged bathymetry and physiographic features of ocean and sea bottoms. [1] Their primary purpose is to provide detailed depth contours of ocean topography as well as provide the size, shape and ...
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 ...
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, it may show depths of water ( bathymetry) and heights of land ( topography ), natural features of the seabed, details of the coastline, navigational hazards, locations of natural and ...
A seafloor map captured by NASA. Bathymetry ( / bəˈθɪmətri /; from Ancient Greek βαθύς (bathús) 'deep', and μέτρον (métron) 'measure') [1] [2] is the study of underwater depth of ocean floors ( seabed topography ), lake floors, or river floors. In other words, bathymetry is the underwater equivalent to hypsometry or topography.
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] Charts can be used in navigation to provide an indication of location once a ...
GIS and hydrology. Geographic information systems (GISs) have become a useful and important tool in the field of hydrology to study and manage Earth's water resources. Climate change and greater demands on water resources require a more knowledgeable disposition of arguably one of our most vital resources. Because water in its occurrence varies ...
Hydrographics (printing), a printing technique for three-dimensional objects. 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 ...