Academic literature on the topic 'Ice-free Arctic'

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Journal articles on the topic "Ice-free Arctic"

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Flake, Lincoln E. "Navigating an Ice-Free Arctic." RUSI Journal 158, no. 3 (2013): 44–52. http://dx.doi.org/10.1080/03071847.2013.807585.

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Jones, Nicola. "Towards an ice-free arctic." Nature Climate Change 1, no. 8 (2011): 381. http://dx.doi.org/10.1038/nclimate1274.

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Berge, J., Ø. Varpe, M. A. Moline, et al. "Retention of ice-associated amphipods: possible consequences for an ice-free Arctic Ocean." Biology Letters 8, no. 6 (2012): 1012–15. http://dx.doi.org/10.1098/rsbl.2012.0517.

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Recent studies predict that the Arctic Ocean will have ice-free summers within the next 30 years. This poses a significant challenge for the marine organisms associated with the Arctic sea ice, such as marine mammals and, not least, the ice-associated crustaceans generally considered to spend their entire life on the underside of the Arctic sea ice. Based upon unique samples collected within the Arctic Ocean during the polar night, we provide a new conceptual understanding of an intimate connection between these under-ice crustaceans and the deep Arctic Ocean currents. We suggest that downward
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Sewall, J. O. "Model resolution influence on simulated sea ice decline." Cryosphere Discussions 2, no. 5 (2008): 759–76. http://dx.doi.org/10.5194/tcd-2-759-2008.

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Abstract. Satellite observations and model predictions of recent and future Arctic sea ice decline have raised concerns over the timing and potential impacts of a seasonally ice-free Arctic Ocean. Model predictions of seasonally ice-free Arctic conditions are, however, highly variable. Here I present results from fourteen climate system models from the World Climate Research Programme's (WCRP's) Coupled Model Intercomparison Project phase 3 (CMIP3) multi-model dataset that indicate modeled Arctic sea ice sensitivity to increased atmospheric CO2 forcing is strongly correlated with ice/ocean mod
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Luedtke, Brandon. "An ice-free Arctic Ocean: history, science, and scepticism." Polar Record 51, no. 2 (2013): 130–39. http://dx.doi.org/10.1017/s0032247413000636.

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ABSTRACTOver the last three centuries, geographers, oceanographers, geophysicists, glaciologists, climatologists, and geoengineers have shown great interest in Arctic Ocean sea ice extent. Many of these experts envisaged an ice-free Arctic Ocean. This article studies three stages of that narrative: the belief in an ice-free Arctic Ocean, the potential for one, and the threat of one. Eighteenth and nineteenth century interest in accessing navigable polar sea routes energised the belief in an iceless polar sea; an early twentieth century North Hemispheric warm spell combined with mid-century col
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Screen, James A., and Daniel Williamson. "Ice-free Arctic at 1.5 °C?" Nature Climate Change 7, no. 4 (2017): 230–31. http://dx.doi.org/10.1038/nclimate3248.

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Porubaev, V. S., and L. P. Mochnova. "Change in the duration of the ice-free period in the Arctic seas from 1991 to 2023." Arctic and Antarctic Research 71, no. 2 (2025): 147–63. https://doi.org/10.30758/0555-2648-2025-71-2-147-163.

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The Arctic seas are subdivided by the characteristic features of the ice regime into natural areas identified in the course of many years of observations and research by various scientists. At present, the ice cover of the Arctic seas is traditionally determined relative to such areas, identified in 1972 at the Arctic and Antarctic Research Institute. The ice-free period has some advantages over ice cover; for example, its start and end dates are an important ice characteristic. However, it is not always possible to determine the ice-free period for a large area of the sea since ice rarely dis
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de Vernal, Anne, Claude Hillaire-Marcel, Cynthia Le Duc, et al. "Natural variability of the Arctic Ocean sea ice during the present interglacial." Proceedings of the National Academy of Sciences 117, no. 42 (2020): 26069–75. http://dx.doi.org/10.1073/pnas.2008996117.

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The impact of the ongoing anthropogenic warming on the Arctic Ocean sea ice is ascertained and closely monitored. However, its long-term fate remains an open question as its natural variability on centennial to millennial timescales is not well documented. Here, we use marine sedimentary records to reconstruct Arctic sea-ice fluctuations. Cores collected along the Lomonosov Ridge that extends across the Arctic Ocean from northern Greenland to the Laptev Sea were radiocarbon dated and analyzed for their micropaleontological and palynological contents, both bearing information on the past sea-ic
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Onarheim, Ingrid H., Tor Eldevik, Lars H. Smedsrud, and Julienne C. Stroeve. "Seasonal and Regional Manifestation of Arctic Sea Ice Loss." Journal of Climate 31, no. 12 (2018): 4917–32. http://dx.doi.org/10.1175/jcli-d-17-0427.1.

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The Arctic Ocean is currently on a fast track toward seasonally ice-free conditions. Although most attention has been on the accelerating summer sea ice decline, large changes are also occurring in winter. This study assesses past, present, and possible future change in regional Northern Hemisphere sea ice extent throughout the year by examining sea ice concentration based on observations back to 1950, including the satellite record since 1979. At present, summer sea ice variability and change dominate in the perennial ice-covered Beaufort, Chukchi, East Siberian, Laptev, and Kara Seas, with t
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Gonzalez-Eguino, Mikel, Marc B. Neumann, Inaki Arto, Inigo Capellan-Perez, and Sergio H. Faria. "Mitigation implications of an ice-free summer in the Arctic Ocean." Earth's Future 5, no. 1 (2017): 59–66. https://doi.org/10.1002/2016EF000429.

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The rapid loss of sea ice in the Arctic is one of the most striking manifestations of climate change. As sea ice melts, more open water is exposed to solar radiation, absorbing heat and generating a sea-ice–albedo feedback that reinforces Arctic warming. Recent studies stress the significance of this feedback mechanism and suggest that ice-free summer conditions in the Arctic Ocean may occur faster than previously expected, even under low-emissions pathways. Here we use an integrated assessment model to explore the implications of a potentially rapid sea-ice-loss process. We consider a scenari
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Books on the topic "Ice-free Arctic"

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Newton, George. Naval Operations In An Ice-free Arctic: Symposium, April 17-18 2001 Final Report. Diane Pub Co, 2004.

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Book chapters on the topic "Ice-free Arctic"

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Sörlin, Sverker, and Julia Lajus. "An Ice Free Arctic Sea? The Science of Sea Ice and Its Interests." In Media and the Politics of Arctic Climate Change. Palgrave Macmillan UK, 2013. http://dx.doi.org/10.1057/9781137266231_4.

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Lavini Gianpiero and Avellino Gennaro. "Developments of New Patented Ice Breaking Devices for Ice Going Vessels." In Technology and Science for the Ships of the Future. IOS Press, 2018. https://doi.org/10.3233/978-1-61499-870-9-786.

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Arctic and Antarctic areas are getting more and more attractive for cruises. The vessel designed for the operations in these and other ice areas like Canada and Baltic Sea must sail in ice in a safe and efficient way, as far as possible, without support of icebreakers. At the same time they should be quite efficient also in open waters. However the hull hydrodynamic shape of an efficient vessel designed for the open sea operation is normally not suitable to operate in ice, while a vessel optimized for proper sailing in ice normally suffers from strong penalties when sailing in free waters. Thi
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Fogg, G. E. "The open seas." In The Biology of Polar Habitats. Oxford University PressOxford, 1998. http://dx.doi.org/10.1093/oso/9780198549543.003.0008.

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Abstract The ice-free areas of the polar seas do not differ in any fundamental way from the temperate seas with which they are confluent. They are colder and more tempestuous but these are only matters of degree and, although there are special features of hydrography, so there are in every other sea. Nevertheless, there are good reasons for including them as polar habitats. They interact with ice and the polar atmosphere, play important roles in polar thermal regimes (p. 8), and provide the organic production which sustains the animal life of both Arctic and Antarctic coastal regions. In detai
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Yalden, D. W. "Zoological Perspectives on the Late Glacial." In Palaeolithic Cave Art at Creswell Crags in European Context. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780199299171.003.0010.

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Enough mammal specimens of Late Glacial date from the British Isles have been subjected to radiocarbon dating to provide a reliable outline of the likely large mammal fauna of the time, though the accompanying fauna of small mammals has mostly been assigned to this period on associative, rather than direct, dating. These give an adequate zoological background against which to examine the suggested identities of the large mammals depicted at Church Hole, Creswell Crags. This background information is reviewed in this chapter. While Bison priscus was certainly present earlier in the Devensian, t
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Rybalko, A. E., and M. Yu Tokarev. "Features of the glacial formations structure and bottom relief forms related to them according to seismoacoustic profiling data and their role in the decision of discussion issues of the quarterly cover formation of the Barents Sea." In THE BARENTS SEA SYSTEM. Shirshov Institute of Oceanology Publishing House, 2021. http://dx.doi.org/10.29006/978-5-6045110-0-8/(5).

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Hot questions in the modern Quaternary geology of the Arctic seas associated with their glaciation are discussed in this article. The questions of the history of the occurrence of the problem of shelf glaciation or “drift” accumulation of boulder-bearing sediments are considered in detail. The results of seismic-acoustic studies and their interpretation with the aim of seismic stratigraphic and genetic partition of the cover of loose sediments of Quaternary age are considered in detail. Arguments are presented in favor of the continental origin of glaciers (Novaya Zemlya, Ostrovnoy and Scandin
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Waite, Lowell E., Richard B. Koepnick, and James R. Markello. "The Miocene World: A Brief Summary." In Cenozoic Isolated Carbonate Platforms—Focus Southeast Asia. SEPM (Society for Sedimentary Geology), 2023. http://dx.doi.org/10.2110/sepmsp.114.03.

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This paper presents a brief synopsis of the Miocene Epoch, an important transitory chapter in the history of the Earth. It was during the Miocene that the major continents and oceans attained a “modern” configuration in terms of paleogeography and tectonics, oceanic ventilation and circulation, ocean chemistry, and faunal and floral assemblages. It also was during the Miocene that global climate fully transitioned into its current icehouse state, including marked growth of the Antarctic ice sheet and initiation of the Arctic ice cap. Long-term global cooling was controlled by a number of facto
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Fox, Michael H. "Now What?" In Why We Need Nuclear Power. Oxford University Press, 2014. http://dx.doi.org/10.1093/oso/9780199344574.003.0019.

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Time is running short! When the Intergovernmental Panel on Climate Change (IPCC) published its first scientific report in 1990 on the possibility of humancaused global warming, the atmospheric concentration of carbon dioxide (CO2 ) was 354 ppm. When I began writing this book about four years ago, the concentration of CO2 was 387 ppm. It is now 397 ppm and rising. In spite of Kyoto, in spite of Copenhagen and Cancun, atmospheric CO2 continues its inexorable upward path. And the earth continues to warm. The United States and the world are not yet serious about changing policies to stop this spir
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Conference papers on the topic "Ice-free Arctic"

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Baek, Yun-Ho, Chung-Seo Park, and Yong-Shin So. "Coating Design of Ice Belt Zone in Arctic Vessels." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01712.

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Abstract The demand for an ice class ship may rise due to the opening of arctic sea routes. Ice class ship should be designed to cope with the severe environmental conditions of arctic sea such as a high mechanical impact and abrasion damage, caused by pack ice, ice bergs and low temperatures. The ice class ship hulls are coated with anti abrasion and low friction coatings, such as a solvent free or high solid epoxy. These coatings require a plural component spray gun and a high grade surface preparation. In this study, the coating performance for the arctic vessels, such as puncture absorbed
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Brigham, Lawson W. "Arctic Marine Shipping Assessment: The Arctic Council’s Response to Changing Marine Access." In SNAME 7th International Conference and Exhibition on Performance of Ships and Structures in Ice. SNAME, 2006. http://dx.doi.org/10.5957/icetech-2006-165.

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The Arctic Council Ministers in November 2004 requested that PAME (Protection of the Arctic Marine Environment Working Group) conduct a comprehensive Arctic marine shipping assessment (AMSA) with Canada, Finland and the United States as lead countries. The Arctic Council acted because the Arctic sea ice cover is undergoing an unprecedented transformation (sea ice thinning, extent reduction, and a reduction in the area of multi-year ice in the central Arctic Ocean). Sea ice simulations for the 21st century indicate increasing ice-free areas and suggest plausible increases in marine access throu
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Erceg, Sandro, Sören Ehlers, Ingrid H. Ellingsen, Dag Slagstad, Rüdiger von Bock und Polach, and Stein Ove Erikstad. "Ship Performance Assessment for Arctic Transport Routes." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10733.

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The melting ice cap in the Arctic Sea creates greater operational opportunities not only for shipping routes in areas inaccessible in the past due to ice coverage, but also for the existing commercial shipping routes. Therefore, the economic feasibility of higher polar classes (PC5 and PC4) will be discussed for transit operations on the route from Rotterdam to Yamal LNG terminal. Initially, the ice thickness and coverage along the route until 2050 will be identified following recent forecasting trends. This will lead to the permitted round trips per year for the ice class in question. Consequ
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Alme, Johannes, and Ove Gudmestad. "Past Experience from Arctic Commercial Expeditions." In SNAME 9th International Conference and Exhibition on Performance of Ships and Structures in Ice. SNAME, 2010. http://dx.doi.org/10.5957/icetech-2010-153.

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In the past, Norwegian vessels have entered the Arctic for fishing and for hunting whales and seals. The seal hunters needed to go to the iceedge or into the ice to catch the seals and their activity created much needed income in the past. These seal hunters came mainly from the Aalesund area of Norway (many came from the village of Brandal) and from the Tromsø area in the north. Although seal hunting is controversial to day, there might be important learning to bring to new industries like the offshore oil and gas industry and to the navigators in ice infested northern waters. An activity wit
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Marchenko, Nataliya. "Navigation in the Russian Arctic: Sea Ice Caused Difficulties and Accidents." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10546.

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The 5 Russian Arctic Seas have common features, but differ significantly from each other in the sea ice regime and navigation specifics. Navigation in the Arctic is a big challenge, especially during the winter season. However, it is necessary, due to limited natural resources elsewhere on Earth that may be easier for exploitation. Therefore sea ice is an important issue for future development. We foresee that the Arctic may become ice free in summer as a result of global warming and even light yachts will be able to pass through the Eastern Passage. There have been several such examples in th
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McLaughlin, S., M. McCallister, and T. Higbee. "Developing experience and gaining knowledge for Naval Operations in an ice free Arctic Ocean." In 2010 OCEANS MTS/IEEE SEATTLE. IEEE, 2010. http://dx.doi.org/10.1109/oceans.2010.5663926.

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Khan, Faisal, Ming Yang, Brian Veitch, Soren Ehlers, and Shuhong Chai. "Transportation Risk Analysis Framework for Arctic Waters." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23421.

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Arctic waters have historically been relatively inaccessible for marine transport. Lately, climate change has made more of this region ice-free in the summer season. This has reduced the difficulty of marine transport in Arctic waters. Further, exploration and development of natural resources is increasing in Arctic regions, as is destinational shipping. The unique risk factors of this region, such as extremely low temperature, ice conditions and drifting icebergs, continue to pose threats to transportation. Potential impacts associated with marine transportation accidents warrant contingency
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Haase, Andrea, Solange van der Werff, and Peter Jochmann. "DYPIC - Dynamic Positioning in Ice: First Phase of Model Testing." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83455.

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DYPIC (Dynamic Positioning in Ice) is a research and development project within the MARTEC ERA-NET project of the European Union. Its objective is to contribute to the closure of the gap between DP in open water being an industry standard, and DP in ice which has some extra challenges to tackle. Two phases of model testing in ice form the back bone of the project and are facilitated by HSVA (Hamburg Ship Model Basin, Germany). The first test phase, which was executed from May to July 2011, involved two different model ships. Both were tested in free floating mode (where the model sailed solely
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Dal Santo, Xavier, and Peter Jochmann. "Model DP System for Ice-Tank Research." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83383.

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Arctic areas raise a continuously increasing interest for exploration and research expeditions that must be performed in more and more extreme conditions. Fierce competition and constraints in polar environment require technologic improvements that are progressively enabled by research activities. Amongst them HSVA and SIREHNA participate to the European DYPIC project (www.dypic.eu) that aims at improving ship design and dynamic positioning systems in ice-covered waters. Feasibility studies are being performed with free running ship models controlled by a dynamic positioning system installed i
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Das, Jitapriya, Dražen Polić, Sören Ehlers, and Jørgen Amdahl. "Numerical Simulation of an Ice Beam in Four-Point Bending Using SPH." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23228.

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The flexural strength of sea ice is crucial for ice going vessels and hence the knowledge of mechanical properties of ice is very important for the design of such vessels. The primary objective of this investigation is the numerical simulation of sea ice in four-point bending using Smoothed Particle Hydrodynamics (SPH), which being a mesh free method offers a lot of advantages over traditional grid-based approaches. The numerical results will be compared to earlier simulations of in-situ four-point bending test results in terms of force, displacement and failure time. Further, the comparison o
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Reports on the topic "Ice-free Arctic"

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Diebold, Francis, and Glenn Rudebusch. Probability Assessments of an Ice-Free Arctic: Comparing Statistical and Climate Model Projections. National Bureau of Economic Research, 2020. http://dx.doi.org/10.3386/w28228.

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