Integrating biogeochemistry and ecology into ocean data assimilation systems
Integrating biogeochemistry and ecology into ocean data assimilation systems
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将生物地球化学和生态学整合到海洋数据同化系统中
DOI：
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发表时间：
2009
期刊：
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通讯作者：
Einar Svendsen
中科院分区：
文献类型：
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作者：
P. Brasseur;N. Gruber;R. Barciela;K. Brander;Maéva Doron;Abdelali El Moussaoui;A. Hobday;M. Huret;Anee;P. Lehodey;R. Matear;C. Moulin;R. Murtugudde;I. Senina;Einar Svendsen
监测和预测海洋和海洋生态系统的生物地球化学状态是业务海洋学的一个重要应用，需要拓展。全球海洋数据同化实验(GODAE)系统能够以实时模式和再分析模式准确描述海洋的物理环境，这对于渔业和渔业管理等各种应用来说已经很有价值。然而，这些应用中的大多数需要在广泛的空间和时间尺度上对物理和生物地球化学海洋条件进行准确估计。在这篇文章中，我们讨论了将新的生物地球化学模式和同化组件与现有的GODAE系统相结合的最新进展，并考察了这种系统在几个感兴趣的领域的潜力：开放海洋的浮游植物生物量监测、海洋碳循环监测和评估、季节性和更长时间尺度的海洋生态系统管理，以及沿海地区的缩小尺度。然后，确定了若干关键要求和未来的研究优先事项，全球海洋观测系统将需要改进其对尚未被认为是必要的物理变量的表示，例如对生物活动至关重要的上层海洋垂直通量。此外，还需要在以下方面扩大观测系统：现场平台(加强部署氧气和叶绿素传感器，包括营养物质、浮游动物、微型生物生物量等新传感器)、卫星飞行任务(例如，海洋颜色高光谱仪器、混合层深度激光雷达系统和沿海海平面宽条带高度计)，以及改进同化这些新测量的方法。
Monitoring and predicting the biogeochemical state of the ocean and marine ecosystems is an important application of operational oceanography that needs to be expanded. The accurate depiction of the ocean's physical environment enabled by Global Ocean Data Assimilation Experiment (GODAE) systems, in both real-time and reanalysis modes, is already valuable for various for various applications, such as the fishing industry and fisheries management. However, most of these applications require accurate estimates of both physical and biogeochemical ocean conditions over a wide range of spatial and temporal scales. In this paper, we discuss recent developments that enable coupling new biogeochemical models and assimilation components with the existing GODAE systems, and we examine the potential of such systems in several areas of interest: phytoplankton biomass monitoring in the open ocean, ocean carbon cycle monitoring and assessment, marine ecosystem management at seasonal and longer time scales, and downscaling in coastal areas. A number of key requirements and research priorities are then identified for the future, GODAE systems will need to improve their representation of physical variables that are not yet considered essential, such as upper-ocean vertical fluxes that are critically important to biological activity. Further, the observing systems will need to be expanded in terms of in situ platforms (with intensified deployments of sensors for O-2 and chlorophyll, and inclusion of new sensors for nutrients, zooplankton, micronekton biomass, and others), satellite missions (e.g., hyperspectral instruments for ocean color, lidar systems for mixed-layer depths, and wide-swath altimeters for coastal sea level), and improved methods to assimilate these new measurements.