Greg's Submarine Cable Map

Greg's Submarine Cable Map is an attempt to consolidate all the available information about the undersea communications infrastructure. The initial data was harvested from Wikipedia, and further information was gathere by simply googling and transcribing as much data as possible into a useful format, namely a rich geocoded format.

(Click here to learn more about each cable)

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New Ice Thickness Map of the Arctic Unveiled

The first map of sea-ice thickness from ESA’s CryoSat mission was revealed today at the Paris Air and Space Show. This new information is set to change our understanding of the complex relationship between ice and climate.
From an altitude of just over 700 km and reaching unprecedented latitudes of 88º, CryoSat has spent the last seven months delivering precise measurements to study changes in the thickness of Earth’s ice.

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A Century Beneath the Sea

In 1960 a bathyscaphe took two men to the deepest point on Earth. In 2010 that manned descent to the Mariana Trench—still unmatched—won co-pilot Don Walsh the Hubbard Medal, National Geographic’s top honor for research and discovery. Yet it remains just a single, vital drop in an age of ocean exploration.

The secrets of the deep have emerged from research done far below the waves—and from far above them. Oceanographer Walter Munk deems the satellite TOPEX/Poseidon’s 13-year mapping of the sea surface, showing how currents affect climate, “the most successful ocean experiment of all times.”


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Whale Crossing

This infographic designed by Gavin Potenza for The Atlantic. Mapping out how endangered North American right whales encounter heavy shipping traffic. The map displays the whale's migration routes, right whale sightings, real-time ship locations, and several other factors.

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Sea Piracy

Piracy has existed for as long as the oceans have been used in commerce. It remains a big threat today. According to the International Maritime Bureau, the international sea piracy situation grows far worse each year. The Bureau reported a 20% increase in pirate attacks in 2003 alone. Learn more about the threat of piracy.


Aquatic Dead Zones

"Aquatic Dead Zones" or "dead sea areas" is the following map (based on data from the MODIS sensor aboard the Aqua satellite), released today by NASA Earth Observatory , shows an overview of "dead sea areas." Following the reasoning used in drawing the map, is taken as the dead area  occupied by waters in which the ability to hold dissolved oxygen is so low that hardly a marine organism survive in them.

The size and number of marine dead zones—areas where the deep water is so low in dissolved oxygen that sea creatures can’t survive—have grown explosively in the past half-century. Red circles on this map show the location and size of many of our planet’s dead zones. Black dots show where dead zones have been observed, but their size is unknown.