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Propulsion Technology for Polar Expedition Ships
OTC Arctic Technology Conference, 2018Abstract The cruise industry is seeking new markets and products to trigger a growing customer base around the world. As the more traditional cruise ships have become bigger and more geared towards mass tourism in typical locations like the Mediterranean and the Caribbean, there has also emerged a need for smaller niche type of cruises ...
Ole-Jacob Irgens +2 more
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Ship Detection Using Polarization Cross-Entropy
IEEE Geoscience and Remote Sensing Letters, 2009In this letter, polarization cross-entropy is introduced based on the eigendecomposition of the polarimetric coherence matrix. Then, the new parameter is employed for ship detection. From experimental results, it is derived that the distribution of the polarization cross-entropy in ocean regions can be well approximated by a generalized exponential ...
null Jiong Chen +2 more
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The Future of Polar Shipping Rules
SNAME 9th International Conference and Exhibition on Performance of Ships and Structures in Ice, 2010This paper presents an overview of the current status of international and national rules and regulations of polar shipping, current activities in these areas, and the roles of some of the organizations that are involved. How regulations and standards are expected to evolve in the future is discussed and implications for ship design and project ...
Andrew Kendrick, Victor Santos-Pedro
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Vector acoustic and polarization properties of underwater ship noise
The Journal of the Acoustical Society of America, 2022Vector acoustic field properties measured during the 2017 Seabed Characterization Experiment (SBCEX17) are presented. The measurements were made using the Intensity Vector Autonomous Recorder (IVAR) that records acoustic pressure and acceleration from which acoustic velocity is obtained.
Peter H. Dahl, Julien Bonnel
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Polar Record, 1998
AbstractSir Ernest Shackleton bought the Norwegian sealer Foca 7 in 1921 for his third Antarctic expedition and renamed it Quest. He died aboard the ship in South Georgia in January 1922, but Frank Wild took over the leadership and completed the expedition after the delayed start.
Angus B. Erskine, Kjell-G. Kjaer
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AbstractSir Ernest Shackleton bought the Norwegian sealer Foca 7 in 1921 for his third Antarctic expedition and renamed it Quest. He died aboard the ship in South Georgia in January 1922, but Frank Wild took over the leadership and completed the expedition after the delayed start.
Angus B. Erskine, Kjell-G. Kjaer
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Polar Record, 2005
The ship that the oceanographer Dr William Speirs Bruce used on the Scottish National Antarctic Expedition, 1902–04, was originally a sealer named Hekla, built in Norway in 1872. In 1889 the Norwegian skipper Ragnvald Knudsen explored the northeast coast of Greenland between latitudes 74° and 75°, and in 1891–92 the ship was used by the Danish naval ...
Angus B. Erskine, Kjell-G. Kjær
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The ship that the oceanographer Dr William Speirs Bruce used on the Scottish National Antarctic Expedition, 1902–04, was originally a sealer named Hekla, built in Norway in 1872. In 1889 the Norwegian skipper Ragnvald Knudsen explored the northeast coast of Greenland between latitudes 74° and 75°, and in 1891–92 the ship was used by the Danish naval ...
Angus B. Erskine, Kjell-G. Kjær
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Polar Record, 2006
Frithjof participated in several North Pole expeditions between 1898 and 1907 and was also involved in several relief expeditions. Her most frequent commander was Captain Johan Kjeldsen, who was an internationally famous ice pilot. Frithjof was built in 1884 at Stokke on Oslo fjord, Norway.
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Frithjof participated in several North Pole expeditions between 1898 and 1907 and was also involved in several relief expeditions. Her most frequent commander was Captain Johan Kjeldsen, who was an internationally famous ice pilot. Frithjof was built in 1884 at Stokke on Oslo fjord, Norway.
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The Harmonization of Polar Shipping Requirements
Marine Technology and SNAME News, 1999An unprecedented international initiative is underway to develop a comprehensive system to enhance the safety of all aspects of ship operations in polar waters. This involves a working group of the International Maritime Organization (IMO), and another from the International Association of Classification Societies(IACS), developing IMO Guidelines and a
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