EAGER: Evaluating the efficacy of the DSV-2 Alvin in scientific operations via a scientific verification cruise (SVC)

HOV Alvin经历了重大的大修和升级，自2010年12月以来已经退出服务。升级包括：一个更大的人员球体和两个额外的视口，它将能够潜入6500米的水深；改善照明和成像能力；改进指挥和控制系统；科学有效载荷能力的提高。该车辆正在接受美国海军海上系统司令部（NAVSEA）的恢复认证。在获得认证之后，对于科学界来说，了解车辆在科学支持能力方面的变化意味着什么将是非常重要的，特别是在底部时间，与外部传感器和设备的集成，地面速度，操纵器的敏捷性，视频质量等。该奖项为科学验证巡航提供资金。一个由经验丰富的阿尔文用户组成的团队将在10-12次潜水项目中验证飞行器的现有能力，之后将向未来的阿尔文用户提供报告。计划的潜水评估包括：*直接观察深达4500米的深海和海底；*观察结果的高清静止和视频成像/记录；*有系统地测绘/调查海床和上覆水柱（配备适当的传感器）；*在海底和上覆水柱中收集材料和生物量（使用适当的采样器）；*在海底放置/回收仪器和登陆器；*工作地点之间的有效运输时间，在科学上是有用的；*系统地探索区域/栖息地/生物。目标潜水包括：圣地亚哥海槽；德尔玛甲烷渗漏；OMZ底部;拉霍亚峡谷；圣莫尼卡化石渗漏；北圣莫尼卡丘；假定的热液喷口（Palos Verdes）。人员调动计划在巡航期间，以适应尽可能多的不同的参与者。

HOV Alvin has undergone a major overhaul and upgrade, and has been out of service since December, 2010. The upgrades include: a larger personnel sphere with two additional viewports, which will be capable of diving to 6500m water depth; improved lighting and imaging capability; improved command and control systems; and, an increased science payload capacity. The vehicle is undergoing reinstatement of certification by the Navy, Naval Sea Systems Command (NAVSEA). Following certification, it will be important for the science community to understand what the changes to the vehicle mean in terms of science support capability, especially bottom time, integration with external sensors and equipment, speed over ground, agility of manipulators, video quality, etc.This award provides funding for a Science Verification Cruise. A team of experience Alvin users will validate the present capabilities of the vehicle in a 10-12 dive program, after which a report will be made available to future Alvin users. Planned dive assessments include:* Direct observations of the deep ocean and seafloor to depths of up to 4500 m;* HD still and video imaging/documentation of observations;* Systematic mapping/surveys of seabed and overlying water column (with appropriate sensors);* Collection of materials and biomass at the seafloor and in the overlying water column (with appropriate samplers);* Placement/recovery of instruments and landers at the seafloor;* Efficient Transit time that is scientifically useful between work sites;* Systematic exploration of regions/habitats/organisms.Targets dives include: San Diego Trough; Del Mar Methane Seep; OMZ bottom; La Jolla Canyon; Santa Monica Fossil seep; Santa Monica Mounds North; and, Putative hydrothermal venting (Palos Verdes). Personnel transfers are planned during the cruise in order to accommodate as many diverse participants as possible.