CAREER: Constraining the high-latitude ocean carbon cycle: Leveraging the Ocean Observatories Initiative (OOI) Global Arrays as marine biogeochemical time series

海洋吸收了大气中燃烧化石燃料产生的大部分二氧化碳。这种吸收大部分发生在海洋的高纬度（极地）地区。然而，目前极地海洋的监测能力是有限的。海洋观测站倡议（OOI）旨在通过提供来自高纬度海洋自主平台的25年连续物理和生物地球化学传感器数据来满足这一需求。这个CAREER项目将利用OOI数据提高对高纬度海洋海洋碳循环的理解。科学小组将使用OOI传感器收集的生物地球化学数据来监测碳循环过程的长期变化。此外，该职业项目还包括教育活动，以扩大对海洋学研究的参与。首席科学家将开发一门新的研究研讨会课程，为本科生提供培训和研究机会。将制作一系列教育录影带，展示OOI数据的使用和应用。这些视频将在三所大学的大学课程中使用。本项目将提供8名本科生、2名博士生和1名博士后的培养机会。该CAREER项目将利用海洋观测倡议（OOI）在北大西洋亚极地和东北太平洋亚北极地区的海洋生物地球化学时间序列数据，评估推动海洋碳汇的生物、化学和物理过程的相对作用。该项目旨在提高OOI生物地球化学（BGC）传感器数据的可用性，并利用这些海洋BGC时间序列数据来确定北大西洋亚极地和东北太平洋亚北极地区碳循环过程的变化。这项研究对于预测气候变化引起的长期扰动以及了解这些地区碳循环的变化如何影响碳固存至关重要。该项目的目标是：1)量化北大西洋亚极地和东北太平洋亚北极的碳循环和长期碳固存的速率和驱动因素；2)确定10年来每个阵列站点由于相互关联的生物、化学和物理过程对海洋碳汇的机制控制。该阵列收集的高时间分辨率BGC数据将提高对捕获关键碳循环过程所需采样分辨率的理解，并验证春季浮游植物华和强烈冬季风暴等短时间尺度事件在总体年碳循环中发挥重要作用的假设。与此CAREER项目有关的教育活动包括一系列关于OOI的教育录象片及其提供的数据的使用，这些录象片将被纳入本科课程，为本科生开设新的研究研讨会课程，为本科生和研究生以及博士后研究员提供研究机会。该奖项反映了美国国家科学基金会的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

The ocean absorbs a large fraction of the atmospheric carbon dioxide generated by the burning of fossil fuels. Much of this uptake occurs in high latitude (polar) regions of the ocean. However, current monitoring capabilities in the polar ocean are limited. The Ocean Observatories Initiative (OOI) aims to address this need by providing 25 years of continuous physical and biogeochemical sensor data from autonomous platforms in the high latitude ocean. This CAREER project will improve understanding of the marine carbon cycle in the high latitude ocean using OOI data. The science team will use biogeochemical data collected by the OOI sensors to monitor long term changes in carbon cycling processes. In addition, this CAREER project includes educational activities to broaden participation in oceanographic research. The lead scientist will develop a new research seminar course to provide training and research opportunities for undergraduate students. A series of educational videos will be created to showcase the use and application of OOI data. The videos will be used in college level courses at three universities. This project will provide training opportunities for eight undergraduate students, two doctoral students, and one postdoctoral researcher.This CAREER project will utilize marine biogeochemical time series data from Ocean Observatories Initiative (OOI) locations in the subpolar North Atlantic and subarctic Northeast Pacific to evaluate the relative roles of biological, chemical, and physical processes driving the ocean’s carbon sink. The project seeks to improve the usability of OOI biogeochemical (BGC) sensor data and leverage these marine BGC time series data to determine changes in carbon cycling processes in the subpolar North Atlantic and subarctic Northeast Pacific Oceans. This research is key for predicting long term perturbations due to climate change and for understanding how changes in carbon cycling in these regions will influence carbon sequestration. The objectives of this project are to: 1) quantify the rates and drivers of carbon cycling and long-term carbon sequestration in the subpolar North Atlantic and subarctic Northeast Pacific Oceans and 2) determine the mechanistic controls on the ocean carbon sink due to inter-related biological, chemical, and physical processes over 10 years at each array site. The high temporal resolution BGC data collected by the arrays will improve understanding of the sampling resolution needed to capture key carbon cycling processes and test the hypothesis that short-time scale events during spring phytoplankton blooms and strong winter storms play a significant role in the overall annual carbon cycle. Education activities associated with this CAREER project include a series of educational videos about OOI and use of the data it provides that will be incorporated into undergraduate courses, a new research seminar course for undergraduates, and research opportunities for undergraduate and graduate students as well as a postdoctoral researcher.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.