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Keywords: sea ice
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Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29162-MS
.... The methodology presented in this paper can be expanded to include more hazards as appropriate. Proposals are provided on future enhancements. low air temperature air temperature alaska polar code operation operational window ice chart sea ice ice accretion marine transportation us government...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29167-MS
... in ISO 19906 were calibrated over a range of conditions and platforms, site-specific information is not taken into account when applying the method. In this paper, a procedure is presented for determining extreme level combined actions for sea ice and waves based on site-specific sea ice and wave...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27335-MS
... Abstract This paper demonstrates the application of a 3-D random lattice model based on Voronoi tessellation. The model may be applicable in a wide range of sea ice modelling scenarios. Lattice models based on Voronoi tessellation give accurate results in fracture modelling of brittle...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27444-MS
... the operational risk for ice management operations. In addition, it can help map the areas of thin ice to aid shipping route selection. Despite its fundamental importance, sea ice thickness is one of the most difficult measurements to obtain via remote sensing. Passive remote sensing methods at the near infrared...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27441-MS
... they could be applied. infrastructure technology challenge operation physical environment norwegian sea ice load sea ice intsok requirement norwegian continental shelf contingency planning mooring system installation personnel barent sea field development technology conference...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27468-MS
... and opportunities for enhancement of technology will be presented. application newfoundland and labrador drilling subsea system artificial intelligence upstream oil & gas sea ice resolution engineering detection iceberg ice management technology conference offshore technology conference...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25557-MS
... Abstract Modem ULS instruments provide year-long continuous measurements of sea ice drafts with an unprecedented time resolution of 1-2 seconds and a horizontal resolution of approximately 1 m. In this paper we analyze multi-year moored ULS measurements of sea ice in the Chukchi and Beaufort...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25479-MS
... Abstract Results are presented from a sea ice forecasting experiment combined with a field campaign undertaken in the Barents Sea in March 2014. The simulations were performed with the regional coupled atmosphere-sea ice-ocean model HAMMER, recently developed within the project IRO-2 dealing...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25572-MS
... seasonal amplitude variability seasonal cycle greenland shelf thickness distribution average seasonal amplitude sea ice thickness average seasonal cycle thickness amplitude thickness anomaly sea ice fram strait mean ice thickness ice thickness modal thickness thickness...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25522-MS
... from a thickened sea ice platform. Differences in water depth, route length and corresponding pipeline design for BP Northstar, Pioneer Oooguruk and Eni Nikaitchuq impacted the winter construction procedures used for each project. Each of these projects used the winter construction season to its...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25595-MS
... to shipping and ice management by enhancing numerical ice forecast modelling. Products comprise specific areal characterization, pressure along channels or routes and in the vicinity of critical areas. Predictability of compression in sea ice by numerical modelling encounters considerable challenges. Local...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24557-MS
... ice condition weather observation information fmi ice management operation ice cover sea ice us government arctic condition ice thickness upstream oil & gas ice drift met-ocean service otc 24557 radar radar data forecasting icebreaker offshore technology conference OTC...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24554-MS
... to reduce the file size of the RADARSAT-2 dual polarized imagery. Section 5 summarized the salient features of the on-board data management system and Section 6 provides concluding comments. 2.0 Ice Information from RADARSAT-2 The use of dual polarized RADARSAT-2 provides better information for sea ice...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24598-MS
... Abstract P>Sea ice monitoring is an important field of scientific research and relevant to operational applications. One of the major engineering challenges in undertaking production developments in Arctic offshore regions is the frequent presence of extreme ice features that pose a hazard...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24600-MS
... methods to characterize highly deformed sea ice features including large individual keels, segments of hummocky ice, multi-year ice, and episodes of internal ice stress, which can also serve as validation data for SAR-based analysis. This paper presents an overview of our ongoing work and very preliminary...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24658-MS
... Abstract We present a methodology for tactical route optimization in waters covered by sea ice. The ice conditions are time-dependent and uncertain. This paper proposes a methodology for determining the fastest route through ice covered waters based on a stochastic dynamic programming model...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24628-MS
... of the ice features (for example the number of icebergs per 10,000 km2), and the probability distributions of the size and mass of the features, their added mass, their velocity, eccentricity of the collision, compliance of the structure, and the strength of the ice. The influence of surrounding sea ice...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24638-MS
... Abstract Time series of sea ice thickness observed by moored sonars in the Transpolar Drift in Fram Strait show significant thinning during the 1990–2011 period. The thickness of old level ice is reduced by 25 %, while the fraction of (ridged) ice thicker than 5 m is reduced by 50...

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