While reading about the ghost ship Jiang Seng I noticed that Wikipedia claimed it was drifting in uncharted waters in the Gulf of Carpentaria. I tried to find a primary source referencing uncharted waters but couldn't find any so this may just be one editor's penchant for artistic license.

Regardless it got me thinking: are there any oceans or perhaps other parts of the world that can still be called uncharted? Or has satellite navigation and imaging given us a complete picture of our globe?


Uncharted Waters 4 English 44


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There are many "uncharted waters". Nautical charts have information about water depths, dangers to navigation, aids to navigation, anchorages, and other features. You can see here what might be included in a nautical chart: U.S. Chart No. 1

Yes satellites have mapped the world... and coastline is well defined. You can even learn about underwater depths using satellite instrumentation that detects gravity (e.g. CryoSat2) as discussed here: Global seafloor map reveals uncharted sea mountains, stunning details of Earth's oceans which discusses recent measurements of the seafloor from space.

University of Sydney geophysicist Dietmar Mller said about 71% of the Earth's surface is covered by water and roughly 90% of the seafloor is uncharted by survey ships that employ acoustic beams to map the depths. ... Mller said the conclusions the [satellite] researchers made about seabed topography may be less accurate than acoustic beam methods employed by ships.

A lot depends on the definition of "charted". How much detail must we know for an area to gain this status? As others have said, we have a low-resolution idea of all of the non-ice-covered seabed from satellite altimetry and gravity measurements - but there is a big difference between this, with a resolution measured in miles, and a high-resolution multibeam sonar survey in coastal waters that might resolve down to less than a metre.

Much, but not all, of the planet's coastal waters have been surveyed at one time or another, often by colonial navies. A lot of modern Admiralty charts have sections for which the last survey was conducted in (say) 1882. These surveys were conducted by a man dropping a lead weight over the side of a ship and measuring how far it fell; neither their accuracy nor their resolution is up to modern standards and, even if the measurements were accurate when taken, sediments may have moved in the time since.

Remember the recent disappearance of the Malaysian Airlines flight 370, assumed lost off the coast of Australia? They could not really begin looking for it without first getting a decent map of the ocean floor. It was "uncharted" for the purpose of that search - for most people, "really deep" is all you need to know for practical purposes, but in this case the information about the seabed that was needed was not available.

The primary tool guides have to protect their waters are the days they spend there. Proper fish handling and picking up garbage can go a long way on the water, especially when observed by an audience of impressionable anglers.

This Article examines the nature of the right of innocent passage for warships in a territorial sea. The author argues that, although a right of innocent passage for warships appears in the 1982 Convention on the Law of the Sea, the practices of many coastal States conflict with the Convention's provisions and cloud resolution of several central questions, such as who decides whether passage is innocent or non-innocent, by what criteria, and what sanctions exist. Drawing upon the Convention, coastal State legislation, and recent submarine intrusions of Swedish and Norwegian waters, the author concludes that modern notions of sovereignty, which foster suspicion and rivalry among nations, prompt such intrusions and impede acceptance of internationally formulated rules. The author further concludes that, even if the 1982 Convention fails to enter into force, it has inalterably shaped the law governing innocent and non-innocent passage of warships in the territorial sea.

Leaders eager to make a difference by helping people and organizations be at their best will find Breaking Ice and Breaking Glass: Leading in Uncharted Waters their go-to resource. Today, our nation is like a ship being tossed in tumultuous seas. The winds and waves of change have divided and distanced our society, threatening to wash away the very principles upon which our nation was founded. Decency and civility have been thrown overboard in favor of outrage and intolerance. The forces of change are driving us into uncharted waters.

The use of corpora and corpus linguistic methods in language testing research is increasing at an accelerated pace. The growing body of language testing research that uses corpus linguistic data is a testament to their utility in test development and validation. Although there are many reasons to be optimistic about the future of using corpus data in language testing, the convergence of these two fields introduces uncharted waters that should be traversed carefully to ensure that high standards of methodological rigor are maintained. The objectives of this paper are as follows: (1) to describe and evaluate the ways corpora and corpus data have been used in language testing to date; and (2) to offer recommendations for best practices to encourage rigorous and appropriate corpus linguistic methods for language testing purposes. This is accomplished with the aid of examples from papers in this special issue, as well as other previous work in this area. The future holds great promise for a useful methodological synergy between corpus linguistics and language testing. The choices researchers make as they navigate the uncharted and challenging waters that lie ahead will ultimately determine whether that potential is fully realized.

N2 - The use of corpora and corpus linguistic methods in language testing research is increasing at an accelerated pace. The growing body of language testing research that uses corpus linguistic data is a testament to their utility in test development and validation. Although there are many reasons to be optimistic about the future of using corpus data in language testing, the convergence of these two fields introduces uncharted waters that should be traversed carefully to ensure that high standards of methodological rigor are maintained. The objectives of this paper are as follows: (1) to describe and evaluate the ways corpora and corpus data have been used in language testing to date; and (2) to offer recommendations for best practices to encourage rigorous and appropriate corpus linguistic methods for language testing purposes. This is accomplished with the aid of examples from papers in this special issue, as well as other previous work in this area. The future holds great promise for a useful methodological synergy between corpus linguistics and language testing. The choices researchers make as they navigate the uncharted and challenging waters that lie ahead will ultimately determine whether that potential is fully realized.

AB - The use of corpora and corpus linguistic methods in language testing research is increasing at an accelerated pace. The growing body of language testing research that uses corpus linguistic data is a testament to their utility in test development and validation. Although there are many reasons to be optimistic about the future of using corpus data in language testing, the convergence of these two fields introduces uncharted waters that should be traversed carefully to ensure that high standards of methodological rigor are maintained. The objectives of this paper are as follows: (1) to describe and evaluate the ways corpora and corpus data have been used in language testing to date; and (2) to offer recommendations for best practices to encourage rigorous and appropriate corpus linguistic methods for language testing purposes. This is accomplished with the aid of examples from papers in this special issue, as well as other previous work in this area. The future holds great promise for a useful methodological synergy between corpus linguistics and language testing. The choices researchers make as they navigate the uncharted and challenging waters that lie ahead will ultimately determine whether that potential is fully realized. 589ccfa754

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