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BM
Hydrography
This category includes geospatial data on coastal hydrography, shoreline structures, fishing facilities, ports and harbours, navigation aids, danger and hazard, depth information, inland water, river structure, offshore information.
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Mean Sea Level
G2G, G2EHA0160The average level of the sea over a long period of time
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Reclaimed Land
G2G, G2EHB0030An area formerly submerged under water which has been filled up and whose ground level is above high water line
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Jetty/Pier
G2G, G2EHD0040A long, narrow structure extending into the water to afford a berthing place for vessels, to serve as a promenade, etc.
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Surveyed Depth Contour
G2G, G2EHG0060Line containing point of the same depth with survey data.
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Reservoir
G2G, G2EHH0030Body of water, either natural or artificial, used for storage regulation and control of water resources
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Shore Line
G2G, G2EHA0010The high water mark of ordinary spring tides.
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Coast
G2G, G2EHA0020The edge margin of land next to the sea
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Breakwater
G2G, G2EHB0010A structure protecting a shore area, harbour, anchorage, or basin from waves
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Groyne
G2G, G2EHB0020A shore-protection structure built to trap littoral drift or retard erosion of the shore
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Revetment
G2G, G2EHB0040A facing of stone, concrete or other material, built to protect a scarp embankment, or shore structure against erosion by wave action or currents.