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Quantifying the Impact of Atmospheric Deposition on the Biogeochemistry of Fe and Al in the Upper Ocean:A Decade of Collaboration with the US CLIVAR-CO2 Repeat Hydrography Program
Atmospheric Deposition Biogeochemistry of Fe Al in the Upper Ocean Collaboration CLIVAR-CO2 Repeat Hydrography Program
2015/7/17
The aerosol deposition of continental material and its partial dissolution in the surface ocean exerts an important control on the distribution of iron and other potentially limiting trace metal (TM) ...
深海探测溶解无机碳含量异常,可以为寻找热液口提供一个很好的证据。本文设计的基于自制的聚二甲基硅氧烷胶与Zn-Al型水滑石复合膜为离子载体的溶解无机碳探测电极属于电势型电极,适用于对深海中溶解无机碳的测量,具有体积微小、便于与pH、盐度、温度、氧化还原电位等多种传感器集成在同一探头腔内,实施在线探测等优点。实验室条件下,将该溶解无机碳探测电极与银/氯化银参比电极分别接在Keithley 6517A高...
Hydraulic Interpretation of Direct Velocity Measurements in the Bab al Mandab
Hydraulic Interpretation Direct Velocity Measurements Bab al Mandab
2008/7/23
Acoustic Doppler Current Profiler velocity measurements in the Bab al Mandab during the period June 1995–March 1996 are used to assess the hydraulic character of the exchange flow. The strait is 150 k...
Continuous Dynamical Modes in Straits Having Arbitrary Cross Sections, with Applications to the Bab al Mandab
Continuous Dynamical Modes Straits Having Arbitrary Bab al Mandab
2008/7/3
The continuous dynamical modes of the exchange flow in the Bab al Mandab are computed in an attempt to assess the hydraulic character of the flow at the sill. First, an extended version of the Taylor–...
Hydraulic Control of Three-Layer Exchange Flows: Application to the Bab al Mandab
Hydraulic Control Three-Layer Exchange Flows Bab al Mandab
2008/7/3
Two-layer hydraulic models have proven to be extremely useful in understanding a number of exchange flows through straits, for example, the Strait of Gibraltar. There are, though, some strait flows th...
以Al/Ti比值为地球化学示踪剂反演海洋古生产力的研究进展
2007/12/12
Abstract地球化学家通常用Al对其它重金属进行归一化以校正沉积物来源、粒度、矿物组成等方面的影响,因此现代海洋沉积物样品中Al、Ti含量的结果主要用于定量描述陆源输送的贡献。近期研究结果发现,在受陆源物质输送影响较小,沉降颗粒主要以生源颗粒物为主的赤道大洋区,沉积物中出现明显的“过剩铝”信号,“过剩铝”约占沉积物中总铝含量的50%。因此,用沉积物中Al的含量来估算陆源碎屑的比例会导致过高的结...