Open boundary conditions (OBCs) of the M 2 tidal constituent in the Bohai and Yellow Seas
(BYS) were inverted successfully through assimilation of TOPEX/Poseidon (T/P) altimeter …

Data assimilation technique (adjoint method) is applied to study the similarities and the
differences between the Ekman (linear) and the Quadratic (nonlinear) bottom friction …

The four-dimensional variational data assimilation technology based on the theory of
inverse problem is applied to simulate the three-dimensional tidal currents in the marginal …

The adjoint tidal model based on the theory of inverse problem has been applied to
investigate the effect of bottom friction coefficient (BFC) on the tidal simulation. Using …

Tidal open boundary conditions (OBCs) of the M 2 tidal constituent in the Bohai and Yellow
Seas (BYS) are estimated via the assimilation of multi-satellite altimeter data to optimize …

For parameter estimation problems, it is of great importance to reduce the number of
spatially varying control variables because of the ill-posedness of inverse problem. A new …

The adjoint data assimilation technique is applied to the estimation of the spatially varying
open boundary conditions (OBCs) for a numerical internal tidal model. The spatial variation …

Accurate parameter estimation is a key issue for enhancing the performance of hydrological
models. With the rapid development of satellite technology, integrating satellite data and …

In this study, a triangular polynomial interpolation (TPI) scheme was developed to estimate
the vertical eddy viscosity coefficient (VEVC) on the basis of the Ekman model with adjoint …

The spatially varying geographic-parameters introduce significant uncertainty into the ocean
model. Due to the impracticality of manually tuning spatial varying parameters, data …