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Integrating Biogeochemistry and Ecology Into Ocean Data Assimilation Systems

机译：将生物地球化学和生态学纳入海洋数据同化系统

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摘要

Monitoring and predicting the biogeochemical state of the ocean andrnmarine ecosystems is an important application of operational oceanography that needsrnto be expanded. The accurate depiction of the oceans physical environment enabledrnby Global Ocean Data Assimilation Experiment (GODAE) systems, in both real-timernand reanalysis modes, is already valuable for various applications, such as the fishingrnindustry and fisheries management. However, most of these applications requirernaccurate estimates of both physical and biogeochemical ocean conditions over a widernrange of spatial and temporal scales. In this paper, we discuss recent developmentsrnthat enable coupling new biogeochemical models and assimilation components withrnthe existing GODAE systems, and we examine the potential of such systems in severalrnareas of interest: phytoplankton biomass monitoring in the open ocean, ocean carbonrncycle monitoring and assessment, marine ecosystem management at seasonal andrnlonger time scales, and downscaling in coastal areas. A number of key requirementsrnand research priorities are then identified for the future. GODAE systems will need tornimprove their representation of physical variables that are not yet considered essential,rnsuch as upper-ocean vertical fluxes that are critically important to biological activity.rnFurther, the observing systems will need to be expanded in terms of in situ platformsrn(with intensified deployments of sensors for O_2 and chlorophyll, and inclusion ofrnnew sensors for nutrients, zooplankton, micronekton biomass, and others), satelliternmissions (e.g., hyperspectral instruments for ocean color, lidar systems for mixed-layerrndepths, and wide-swath altimeters for coastal sea levels), and improved methods tornassimilate these new measurements.
机译：监测和预测海洋和海洋生态系统的生物地球化学状态是需要扩展的业务海洋学的重要应用。全球海洋数据同化实验（GODAE）系统在实时和再分析模式下对海洋物理环境的准确描绘对于各种应用（例如捕鱼业和渔业管理）已经非常有价值。但是，这些应用中的大多数都需要在更宽的时空范围内对物理和生物地球化学海洋状况进行准确的估算。在本文中，我们讨论了使新的生物地球化学模型和同化成分与现有GODAE系统耦合的最新进展，并研究了此类系统在几个感兴趣的领域中的潜力：公海中的浮游生物生物量监测，海洋碳环监测和评估，海洋生态系统在季节性和更长的时间范围内进行管理，在沿海地区降低规模。然后确定了许多关键要求和未来的研究重点。 GODAE系统将需要改进其尚未被认为是必不可少的物理变量的表示，例如对生物活动至关重要的上层海洋垂直通量。进一步，观测系统将需要就地平台进行扩展。加强了对O_2和叶绿素传感器的部署，并包括了用于营养，浮游动物，微nekton生物量等的新传感器，卫星发射（例如用于海洋颜色的高光谱仪器，用于混合层深度的激光雷达系统以及用于沿海海域的宽幅高度计）级别）和改进的方法来吸收这些新的测量结果。

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  • 来源
    《Oceanography》 |2009年第3期|206-215|共10页
  • 作者

    PIERRE BRASSEUR; NICOLAS GRUBER; ROSA BARCIELA; KEITH BRANDER; MAEVA DORON; ABDELALI EL MOUSSAOUI; ALISTAIR J. HOBDAY; MARTIN HURET; ANNE-SOPHIE KREMEUR; PATRICK LEHODEY; RICHARD MATEAR; CYRIL MOULIN; RACHU MURTUCUDDE; INNA SENINA; EINAR SVENDSEN;

  • 作者单位

    Conseil National de la Recherche Scientifique/Laboratoire des Ecoulements Geophysiques et Industriels (CNRS/LEGI), Grenoble, France;

    Environmental Physics, Institute of Biogeochemistry and Pollutant Dynamics, Eidgenoessische Technische Hochschule (ETH), Zuerich, Switzerland;

    Met Office, Exeter, UK;

    Danish Technical University-National Institute of Aquatic Resources (DTU-Aqua), Copenhagen, Denmark;

    CNRS/LEGI, Grenoble, France;

    Mercator Ocean, Toulouse, France;

    Commonwealth Scientific and Industrial Research Organisation (CSIRO), Hobart, Australia;

    Institut francais de recherche pour l'exploitation de la mer (Ifremer), Nantes, France;

    Institut Pierre Simon Laplace/Laboratoire des Sciences du Climat et de I'Environnement (IPSL/LSCE), Gif-sur-Yvette, France;

    CLS, Ramonville-Saint-Agne, France;

    CSIRO, Hobart, Australia;

    IPSL/LSCE, Gif-sur-Yvette, France;

    Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA;

    CLS, Ramonville-Saint-Agne, France;

    Institute of Marine Research, Bergen, Norway;

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