Development and Testing of a Deep-Water, Acoustically-Linked, Moored-Buoy Seafloor Observatory

0215670 Detrick授予马萨诸塞州的伍兹霍尔海洋学研究所的这项重大研究仪器奖为开发和测试深水声学连接系泊浮标海底观测站原型提供了资金。 该系统将包括一个位于单点深水系泊系统上的铁饼浮标，配备一个与海岸双向通信的卫星链路和一个与海底和系泊系统本身的传感器双向通信的高速声学调制解调器。 在两个海底节点的传感器套件将包括一个海底地震仪、一个声学海流剖面仪、配有相关温度、化学和压力传感器的热液流量计以及一个电导率-温度-深度仪器。 所有数据将与两个声学调制解调器连接，并将数据传输到系泊系统的水面浮标，这些数据将每天与水面浮标上传感器的气象数据和系泊系统上安装的仪器的海流计数据一起传输到海岸。 该系泊系统将在努特卡断层附近进行为期15个月的示范项目，在凯克基金会的单独支持下，将在那里进行补充观测实验。 该项目得到了NSF海洋科学部的支持。 来自非联邦基金的费用分摊支助将占项目总费用的约30%。

0215670DetrickThis Major Research Instrumentation award to Woods Hole Oceanographic Institution in Massachusetts provides funds to develop and test a prototype deep-water, acoustically-linked, moored-buoy seafloor observatory. The system will consist of a discus buoy on a single-point, deep-water mooring, equipped with a satellite link for 2-way communication to shore and a high-speed acoustic modem for 2-way communication with sensors on the seafloor and on the mooring itself. The suite of sensors, at two seafloor nodes, will include an ocean bottom seismograph (OBS), an acoustic current profiler (ADCP), hydrothermal flow meters with associated temperature, chemical and pressure sensors and a conductivity-temperature-depth (CTD) instrument. All will be interfaced to two acoustic modems, and they will transmit data to the surface buoy of the mooring, from which they will be transmitted daily to shore together with meteorological data from sensors on the surface buoy and current meter data from instruments installed on the mooring. The mooring will be deployed for a 15-month demonstration project in the vicinity of the Nootka Fault, where complementary observatory experiments will be carried out under separate support from the Keck Foundation. The project is supported by the Division of Ocean Sciences at NSF. Cost-share support from non-federal funds will be provided for approximately 30% of total project costs.***