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Iceberg sightings, shapes and management techniques for offshore Newfoundland and Labrador: Historical data and future applications

机译:纽芬兰和拉布拉多近海冰山的观测,形状和管理技术:历史数据和未来应用

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For safe and efficient operations in the iceberg-infested waters offshore eastern Canada, accurate information on icebergs is needed. Databases on iceberg sightings, shapes and management techniques have been developed in order to bring all relevant iceberg information into one repository. Iceberg sightings have been recorded offshore Newfoundland and Labrador since the 1600s. Sighting methods, locations, yearly variability and uncertainties are discussed. In more recent times, detailed 2D and 3D measurements have been made of iceberg geometries, which are useful for structural load calculations. Techniques to deflect iceberg drift from critical offshore locations have also evolved over the past 40 years. The various methods that have been used for iceberg management are discussed, as well as the factors that affect their success rates. Relationships between historical iceberg populations and sea ice can be used to forecast iceberg severity in future seasons; updated correlations have been made between sea ice coverage and iceberg severity.
机译:为了在加拿大东部近海受冰山侵袭的水域中安全有效地运营,需要有关冰山的准确信息。已经开发了有关冰山目击,形状和管理技术的数据库,以便将所有相关的冰山信息整合到一个存储库中。自1600年代以来,就已在纽芬兰和拉布拉多近海记录了冰山的目击事件。讨论了瞄准方法,位置,年度变异性和不确定性。最近,已经对冰山的几何形状进行了详细的2D和3D测量,这对于结构载荷计算非常有用。在过去的40年中,偏转来自关键海上位置的冰山漂流的技术也得到了发展。讨论了用于冰山管理的各种方法,以及影响其成功率的因素。历史冰山人口与海冰之间的关系可以用来预测未来季节的冰山严重程度;在海冰覆盖率和冰山严重性之间已建立了更新的相关性。

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