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Study of bottom friction coefficient in tidal bore affected estuaries using the adjoin method of data assimilation
Author(s): CHEN Yao-deng, MIN Jin-zhong, GAO Yu-fang
Pages: 400-
406
Year: 2011
Issue:
3
Journal: Advances in Water Science
Abstract: 为更合理选取涌潮河口的底摩擦系数,基于无结构三角网格和有限体积法,建立了适用于反演潮汐涌潮河口底摩擦系数随空间和涨、落潮变化的伴随资料同化模型.一系列"孪生"实验均较精确地反演出了给定底摩擦系数.孪生实验表明底摩擦系数的空间分布会影响反演的精度,也表明充足的观测数据资料能够提高反演的准确性.利用实测数据进行了钱塘江河口伴随同化实验,得到涨、落潮底摩擦系数分别为0.000149和0.001 520(...
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