Sensitivity analysis of an ocean carbon cycle model in the North Atlantic: an investigation of parameters affecting the air-sea CO 2 flux, primary production and export of detritus
Sensitivity analysis of an ocean carbon cycle model in the North Atlantic: an investigation of parameters affecting the air-sea CO 2 flux, primary production and export of detritus
复制标题
北大西洋海洋碳循环模型的敏感性分析：影响海气CO 2 通量、初级生产和碎屑出口的参数研究
DOI：
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发表时间：
2011
期刊：
影响因子：
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通讯作者：
C. J. Merchant
中科院分区：
文献类型：
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作者：
Vivian Scott;H. Kettle;C. J. Merchant
抽象的。分析了营养盐-浮游植物-浮游动物-碎屑（NPZD）模式中生物学参数在计算海气CO2通量、初级生产力和碎屑输出中的敏感性。我们探讨这些输出的变化的值的20个参数，控制海洋生态系统的增长在1-D制定的英国气象局HadOCC NPZD模型中使用的GCMs的效果。我们使用并比较了EuroSITES欧洲海洋观测网络中三个站点的一次一个和一次一个扰动的结果：中央Irminger海（60° N 40° W），豪猪深海平原（49° N 16° W）和加那利群岛海洋时间序列欧洲站（29° N 15° W）。关键参数值的合理变化对计算海-气CO2通量、初级生产和向深海出口生物碎屑有很大影响。关键参数值的变化对生产力较高地区的影响大于生产力较低地区。最敏感的参数通常被认为是那些控制广泛用于许多NPZD型模型的完善的海洋生态系统参数化。控制浮游植物生长、碎屑沉降和浮游植物产生碳酸盐的参数（降雨率）的变化对气-海CO2通量的影响最大。初级生产力是最敏感的参数，定义的光合作用-辐照曲线的形状。出口生产是最敏感的参数，控制碎屑下沉率和碎屑的再矿化。
Abstract. The sensitivity of the biological parameters in a nutrient-phytoplankton-zooplankton-detritus (NPZD) model in the calculation of the air-sea CO2 flux, primary production and detrital export is analysed. We explore the effect on these outputs of variation in the values of the twenty parameters that control ocean ecosystem growth in a 1-D formulation of the UK Met Office HadOCC NPZD model used in GCMs. We use and compare the results from one-at-a-time and all-at-a-time perturbations performed at three sites in the EuroSITES European Ocean Observatory Network: the Central Irminger Sea (60° N 40° W), the Porcupine Abyssal Plain (49° N 16° W) and the European Station for Time series in the Ocean Canary Islands (29° N 15° W). Reasonable changes to the values of key parameters are shown to have a large effect on the calculation of the air-sea CO2 flux, primary production, and export of biological detritus to the deep ocean. Changes in the values of key parameters have a greater effect in more productive regions than in less productive areas. The most sensitive parameters are generally found to be those controlling well-established ocean ecosystem parameterisations widely used in many NPZD-type models. The air-sea CO2 flux is most influenced by variation in the parameters that control phytoplankton growth, detrital sinking and carbonate production by phytoplankton (the rain ratio). Primary production is most sensitive to the parameters that define the shape of the photosynthesis-irradiance curve. Export production is most sensitive to the parameters that control the rate of detrital sinking and the remineralisation of detritus.
影响因子：
5.1
作者：
Robin S. Smith;J. Gregory;Annette Osprey
通讯作者：
Robin S. Smith;J. Gregory;Annette Osprey