Sampling Facility for US GEOTRACES and Other Trace Element Biogeochemistry Programs

这份授予老道明大学的合同为购买收集和储存未受污染的海水样品以进行微量元素分析的航海设备和科学仪器提供了支持。这些仪器将用于支持由美国国家科学基金会单独资助的GEOTRACES项目，以及其他需要特殊处理以确保微量元素浓度完整性的研究项目。这里支持的设备包括绞车，特殊的非金属导电电缆，具有24瓶采样能力的电导率-温度-深度（CTD）仪器，以及用于辅助测量的计算机和传感器。所有组件都被涂层，以防止样品被微量金属或其他微量元素污染。更广泛的影响：这些共同使用的仪器将允许对微量元素进行采样，用于化学海洋学研究和研究过去和现在世界海洋生物生产力的控制因素

0705253Cutter This award to Old Dominion University provides support for the acquisition of seagoing equipment and scientific instruments for collection and storage of uncontaminated sea water samples for trace element analysis. The instruments will be used to support the GEOTRACES program funded separately by NSF, as well as other research projects requiring special handling to ensure the integrity of trace element concentrations. Equipment supported here includes a winch, special non-metallic conducting cable, a conductivity-temperature-depth (CTD) instrument with 24-bottle sampling capability, plus computers and sensors for auxiliary measurements. All components are coated to prevent sample contamination by trace metals or other trace elements.Broader Impacts: These shared-use instruments will allow the sampling of trace elements for chemical oceanographic research and studies of the factors governing biological productivity of the world oceans, past and present.***