Isotopic Tracers of Particle Scavenging in a Hydrothermal Plume near the Rodriguez Triple Junction, Indian Ocean

首席调查员将参加一次由英国资助的研究巡航，以研究印度洋罗德里格斯三重结点以北的中印度洋海脊上方的热液羽流。将收集大量水样进行颗粒和溶解的钍同位素研究。钍将能够量化在这个热液羽流中的颗粒上发生的化学过程的速率。这项研究还将探讨控制230和231Pa的地球化学分馏的过程。

The principal investigator will participate in a UK-funded research cruise to study a hydrothermal plume above the Central Indian Ridge immediately north of the Rodrigues Triple Junction in the Indian Ocean. Large-volume water samples will be collected for particulate and dissolved thorium isotope studies. Thorium will enable the quantification of rates of chemical processes occurring on particles within this hydrothermal plume. The study also will investigate the processes controlling the geochemical fractionation of 230Th and 231Pa.