Nansen and Amundsen Basins Observational System (NABOS) 2023 Mooring Design and Cruise Support

南森和阿蒙森盆地观测系统（NABOS）是一个多学科观测计划，包括物理和化学海洋学，大气和冰观测，并辅以系泊服务和漂流浮标的部署，以评估海洋在气候变化中的作用。这些观测对北冰洋观测网络至关重要。NABOS项目的目标是了解欧亚盆地东部，包括其大陆架，在重新分配北极东部和西部之间的冰和大部分北极河流沃茨方面的作用。通过监测欧亚盆地东部的淡水分配情况，研究人员可以研究不同的大气状况在将淡水分配到盆地不同部分以及更下游的北冰洋中部方面所起的作用。目前的项目将支持恢复9个现有系泊设备，并设计、制造、运输和部署9个新系泊设备，以支持额外的时间序列观测。伍兹霍尔海洋研究所（WHOI）系泊操作和工程（莫伊）小组将提供专业知识和技术服务，以完成南森和阿蒙森盆地观测系统（NABOS）项目使用的九（9）个深水、冰下、地下系泊系统的设计和制造。这些系泊设备将在2023年夏末的一次巡航中部署在北冰洋。该合同将有助于在出发港将9个系泊设备转移到指定船舶上。这些系泊设备将可在前往北冰洋东欧亚盆地的巡航中快速部署。系泊位置提供了一个东-西观测阵列，旨在更好地了解淡水沃茨在调节横跨和沿着该地区的垂直海洋混合中的作用，以及从海洋内部向欧亚和马卡罗夫盆地以及北方拉普捷夫海和东西伯利亚海的海冰区域的热量输送。该奖项反映了NSF的法定使命，并通过使用基金会的学术价值和更广泛的影响审查标准。

The Nansen and Amundsen Basins Observational System (NABOS) is a multidisciplinary observational program that includes physical and chemical oceanographic, atmospheric, and ice observations, complemented by servicing of moorings and deployments of drifting buoys to assess the ocean's role in climate change. These observations are critical to the Arctic Ocean observational network. The NABOS project’s goal is to understand the role of the eastern Eurasian Basin, including its shelves, in redistributing ice and the bulk of Arctic riverine waters between the eastern and western Arctic. Monitoring of the partitioning of freshwater in the eastern Eurasian Basin allows researchers to study the role of different atmospheric regimes in distributing freshwater to different parts of the basins and further downstream to the central Arctic Ocean. The current project will support the recovery of nine existing moorings and the design, fabrication, shipping, and deployment of nine new moorings to support an additional period of time-series observations. The Woods Hole Oceanographic Institution’s (WHOI) Mooring Operations and Engineering (MOE) group will provide expertise and technical services to accomplish the design and fabrication of nine (9) deep-water, under-ice, subsurface moorings for use by the Nansen and Amundsen Basins Observation System (NABOS) Project. These moorings will be deployed in the Arctic Ocean during a cruise that will take place in the late summer of 2023. This award will facilitate the mobilization of nine moorings onto the designated vessel at the departure port. The moorings will be available for rapid deployment during a cruise to the Eastern Eurasian Basins of the Arctic Ocean. The mooring locations provide an east-west array of observations designed to better understand the role of fresh waters in regulating vertical ocean mixing across and along this region and the transport of heat from the ocean interior towards areas of sea ice in the Eurasian and Makarov basins and the northern Laptev and East Siberian seas.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.