ALOHA Cabled Observatory - Supplement

0652430Duennebier该奖项授予夏威夷大学马诺阿分校，为阿洛哈有线天文台(ACO)的建成和部署提供支持。ACO的目的是扩大夏威夷附近夏威夷海洋时间序列(热)地点的科学基础设施，并证明现有的退役光纤电信电缆可以成功地重复使用，以支持科学海洋观测站。这项提议建立在2002年通过核磁共振计划(0216164)提供资金开展的工作的基础上，该计划最初打算使用同轴电信电缆开发一个天文台，但由于所有者破产和无法就电缆的转让进行谈判而无法实现。随后出现了使用光缆的机会，天文台的设计和验证测试已经在实验室和通过光缆完成(但不是在水中)。目前计划于2007年2月在夏威夷近海部署证明舱。它将测试电源、光再生和观测电子学，并将包括一个可采样高达96千赫的宽带水听器以及一个压力传感器。在证明舱的成功部署和测试完成后，将在2007年底恢复该舱，代之以运行中的观测站系统和用于连续观测和海洋实验的第一批科学仪器。天文台将支持最多8个实验系统，提供100BASE-T以太网数据和高达800 W的功率。一个实验模块将是一个声学调制解调器，这样实验模块可以部署在电缆附近，但不是直接连接，这将为更多的实验提供机会，以低速通信操作，将信息传输到岸上。更广泛的影响：这里提供的支持将为岸上的学生和研究人员通过高速电信电缆持续获取Aloha站的大量海洋数据提供基础设施。Aloha站已经是一个重要的时间序列海洋观测站，通过定期船舶观测收集了18年以上的数据，扩大到包括收集并转发到岸上的连续数据是一个重大增强。此外，ALOHA有线天文台是深海观测站的原型和试验台，使用废弃的光纤电信电缆支持海洋研究。*

0652430Duennebier This award to University of Hawaii at Manoa provides support for the completion and deployment of the ALOHA Cabled Observatory (ACO). ACO is intended to expand the scientific infrastructure at the location of the Hawaii Ocean Time-series (HOT) site near Hawaii, and to demonstrate that existing, retired fiber optic telecommunications cables can be successfully reused to support scientific ocean observatories. The proposal builds on work undertaken with funds provided in 2002 via the MRI program (0216164) that was originally intended to develop an observatory using a coaxial telecommunications cable, but was not possible due to the bankruptcy of the owner and inability to negotiate a transfer of the cable. The opportunity to use the fiber optic cable came up subsequently, and observatory design and proof testing has been completed in the laboratory and through the cable (but not in the water). Deployment of the Proof Module off Hawaii is currently planned for February 2007. It will test power supply, optical regeneration and observatory electronics, and will include a broad-band hydrophone that can sample up to 96 kHz as well as a pressure sensor. On completion of a successful deployment and testing of the Proof Module, it will be recovered and replaced in late 2007 with an operational observatory system and the first batch of scientific instruments for continuous observations and oceanographic experiments. The observatory will support up to eight experiment systems with 100base-T Ethernet data and up to 800 W power. One experiment module will be an acoustic modem so that experimental modules may be deployed near the cable, but not attached directly, which will offer an opportunity for additional experiments operating with lower speed communication for the transmission of information to shore. Broader Impacts: Support provided here will provide an infrastructure for continuous access to a broad array of oceanographic data at Station ALOHA by students and researchers on shore via high speed telecommunications cable. Station ALOHA is already an important time-series station of ocean observations, with over 18 years of data collected by regular ship observations, and the expansion to include continuous data collected and relayed to shore is a major augmentation. In addition, the ALOHA Cabled Observatory serves as a prototype and test bed for deep ocean observatories, using abandoned fiber-optic telecommunications cables to support ocean research.***