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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 ...
SubmarineCableMap.com — simple map; Detailed interactive world map — at TeleGeography.com (2018 Version) Global Caribbean net Archived 2016-10-18 at the Wayback Machine — reference site for GCN, MCN, and SCF; Timeline of submarine cables, 1850–2007 — at Atlantic-Cable.com; TeleGeography submarine cable map — at TeleGeography.com
Cables can also be composed of dielectric fluids or hydrocarbon fluids, which act as electrical insulators. These substances can be harmful to marine life. [127] Fishing, aging cables and marine species that collide with or become entangled in cables can damage cables and spread toxic and harmful substances into the sea.
FLAG includes undersea cable segments, and two terrestrial crossings. The segments can be either direct point-to-point links, or multi-point links, which are attained through branching units. At each cable landing point, a FLAG cable station is located. The total route length exceeds 27,000 kilometres (16,777 miles; 14,579 nautical miles), and ...
An Electronic Navigational Chart (ENC) is a digital representation of a real-world geographical area for the purpose of Marine navigation.Real-world objects and areas of navigational significance, or to a lesser degree - informational significance, are portrayed through Raster facsimiles of traditional paper charts; or more commonly through vector images, which are able to scale their relative ...
A 1976 United States NOAA chart of part of Puerto Rico A nautical chart of the Warnemünde harbor shown on OpenSeaMap. A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks.
Date/Time Thumbnail Dimensions User Comment; current: 13:38, 3 June 2009: 1,239 × 1,493 (245 KB): Monty14 {{Information |Description={{en|1=A map of Africa showing the route that the Seacom subsea cable system will take on the east and south coast of Africa.}} |Source=Seacom HQ c/o Linda Carter (www.seacom.mu) |Author=Seacom HQ, c/o Linda Carter |Date=2 March
A group of boaters and programmers decided to extend the coverage of OpenStreetMap to the seas and fresh water bodies. From the start the project has been worldwide and multilingual. By the end of 2009, the design and architecture of the project had been created, and a sample harbor " Warnemünde " was created to serve as an example chart.