A new application of conditional nonlinear optimal perturbation approach to boundary condition uncertainty
A new application of conditional nonlinear optimal perturbation approach to boundary condition uncertainty
复制标题
条件非线性最优摄动方法在边界条件不确定性中的新应用
DOI:
10.1002/2015jc011095
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发表时间:
2015-12
期刊:
影响因子:
--
通讯作者:
Mu Mu
中科院分区:
文献类型:
--
作者:
Qiang Wang;Mu Mu
The conditional nonlinear optimal perturbation (CNOP) approach was mainly used to investigate the effects of the uncertainties in initial condition and model parameters on model results. This study presents a new application of the CNOP approach to the investigation of the effects of boundary condition uncertainty. Specifically, we first give the general formulation of the CNOP approach for uncertainties of initial and boundary conditions and model parameters. The method is then applied to analyze the effects of nutrient perturbations at the bottom boundary of the water column on the modeled deep chlorophyll maximum (DCM) using an ocean ecosystem model. The results show that nutrient perturbations at the bottom boundary have significant impacts on the modeled DCM. Interestingly, the approach also reveals that nonlinear processes play important roles in the evolution of phytoplankton perturbations caused by nutrient perturbations at the bottom boundary. This implies that the CNOP approach is useful for investigating the effects of boundary condition uncertainty.
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