Collaborative Research: Development of an Ice-Tethered Winch for the Seasonal Ice Zone

冰绳绞车(ITW)将结合两项成熟技术的设计，冰绳剖面仪和北极绞车。合并这些技术将扩展它们各自的能力，创造一种新的仪器，既可以从冰下遥测地下数据，也可以在不同深度上绘制水柱的轮廓。ITW将通过提供相对较高的分辨率(每天四个剖面，垂直分辨率低于10厘米)提供全年、近地表物理和生物特性的时间序列，包括温度、盐度、气压、浊度和叶绿素，来补充其他现有的北极观测努力(例如，破冰船调查、滑翔机和系泊)。ITW将在系泊在陆上冰层时的欧拉平台和在公开水域中的半拉格朗日漂流者之间过渡。根据北极观测网提供的指导方针，将通过新创建的国际热带雨表网站和合作北极数据和信息服务处，实时免费提供国际热带雨表的全年数据。ITW网站不仅将提供数据门户，还将包括针对普通公众的项目和区域概览。在部署之前，将在阿拉斯加的巴罗进行公开演讲。ITW数据将被纳入百慕大海洋科学研究所主办的日本基金会-POGO观测海洋学英才中心的物理海洋学课程。在COFE期间，对ITW数据的分析将用于一个学生研究项目。

The ice-tethered winch (ITW) will combine the design of two established technologies, the Ice-Tethered Profiler and Arctic Winch. Merging these technologies will expand upon their individual capabilities by creating a new instrument that can both telemeter subsurface data from beneath the ice and profile the water column over variable depths. The ITW will complement other existing Arctic observational efforts (e.g., icebreaker surveys, gliders, and moorings) by providing relatively high resolution (four profiles daily with less than 10 cm vertical resolution) time series of year-round, near-surface physical and biological properties, including temperature, salinity, pressure, turbidity, and chlorophyll. The ITW will transition between a Eulerian platform when tethered to landfast ice and a semi-Lagrangian drifter when in open water. Year-round data from the ITW will be freely provided in realtime via a newly created ITW website and the Cooperative Arctic Data and Information Service in accordance with the guidelines provided by the Arctic Observing Network. The ITW website will not only provide a portal for data, but will also include an overview of the project and region targeted to the general public. A public talk will be given in Barrow, Alaska prior to deployment. ITW data will be integrated into the Physical Oceanography curriculum of the Nippon Foundation-POGO Centre of Excellence in Observational Oceanography (CofE) hosted at the Bermuda Institute of Ocean Sciences. Analysis of ITW data will be used in a student research project during CofE.