Adjoint method was used to optimize the bottom friction coefficients (BFC) of the Bohai Sea,the Yellow Sea and the East China Sea when the BFC was constant and when the BFC were independent.

• 借助伴随同化方法,本文将Topex/Poseidon高度计资料同化到二维非线性潮汐模型中,在边界条件不变的前提下,优化底摩擦系数,并对渤黄东海M 2分潮进行了数值模拟。