Impact of Convective Processes and Sea Ice Formation on the Distribution of Iron in the Ross Sea: Closing the Seasonal Cycle

罗斯海大陆架的水域是南大洋中最多产的水域之一，可能是大气中二氧化碳的重要海洋汇。在这个地区，初级生产可能受到生长季节地表水中溶解铁供应的限制。一系列生物地球化学测量和活动将在夏末-秋季-初冬期间在罗斯海进行，以便更好地了解浮游植物的动态以及碳输出。这些生物地球化学参数包括铁、C和S等被认为对南极生态系统很重要的元素。除了对罗斯海生态系统导致极夜来临的功能感兴趣外，在每年这个时候广泛的海冰形成期间，是什么驱动了微量营养元素铁的生物地球化学再分配，也存在不确定性。拟议研究的现场设置和远程条件为K-12、本科和研究生阶段的STEM教育和培训以及公众宣传提供了几种可能性。在K-12阶段，该项目旨在支持针对中小学生、职前科学教师和在职科学教师的教育推广材料的开发。

The waters of the Ross Sea continental shelf are among the most productive in the Southern Ocean, and likely comprise a significant oceanic sink for atmospheric carbon dioxide. In this region, primary production can be limited by the supply of dissolved iron to surface waters during the growing season.A range of biogeochemical measurements and activities are to be carried out in the late summer-autumnal- early winter time frame in the Ross Sea in order to better understand phytoplankton dynamics, along with carbon export. These biogeochemical parameters include elements such as Fe, C and S believed to be important to Antarctic ecosystems. As well as there being interest in the functioning of the Ross Sea ecosystem leading up to the impending polar night, there is also uncertainty as to what drives the biogeochemical redistribution undergone by micronutrient Fe species during the extensive sea-ice formation at this time of year.The field setting and remote conditions that accompany the proposed study present several possibilities for STEM education and training at the K-12, undergraduate and graduate levels, as well as for public outreach. At the K-12 level, the project seeks to support the development of educational outreach materials targeting elementary and middle school students,pre-service science teachers, and in-service science teachers.