CAJ | 학술논문

利用基于有限元方法的ADCIRC模式，并耦合SWAN波浪模式，建立了一个适用于长江口及其邻近海区风暴潮的数值预报模式。该模式采用对岸线有较好拟合能力的无结构网格，综合考虑了波浪、天文潮、风暴潮、径流相互作用。利用该模型对长江口及其邻近海区一系列台风风暴潮进行后报检验，计算结果与实测资料有较好的一致性。最后，利用建立的模式，针对影响长江口地区的两类典型路径台风———近转向型台风和登陆型台风，讨论了气压、风应力、台风路径等因素对增水的贡献；并对台风移动路径与外高桥实测增水强度进行统计分析，给出了台风移动路径、气压梯度和增水强度的定量关系。
이용기우유한원방법적ADCIRC모식，병우합SWAN파랑모식，건립료일개괄용우장강구급기린근해구풍폭조적수치예보모식。해모식채용대안선유교호의합능력적무결구망격，종합고필료파랑、천문조、풍폭조、경류상호작용。이용해모형대장강구급기린근해구일계렬태풍풍폭조진행후보검험，계산결과여실측자료유교호적일치성。최후，이용건립적모식，침대영향장강구지구적량류전형로경태풍———근전향형태풍화등륙형태풍，토론료기압、풍응력、태풍로경등인소대증수적공헌；병대태풍이동로경여외고교실측증수강도진행통계분석，급출료태풍이동로경、기압제도화증수강도적정량관계。
A numerical model with unstructured grid and high resolution ,which is based on ADCIRC and coupled with SWAN is developed to simulate the storm surges in the Changjiang Estuary and its adjacent areas .The effects of tide ,wave and river discharge are considered in the numerical model .Hindcasts of the water surges induced by tropical cyclones are performed and the results are in good agreement with ob‐servations .The model is then utilized to study and analyze the patterns of surge caused classes of ty‐phoons‐landing and direction‐changing typhoons .Influences on surge caused by air pressure ,wind stress and typhoon tracks are investigated with numerical experiments .Quantitative relationships among surge range ,pressure gradient and typhoon tracks are revealed by statistical analysis of typhoon tracks and ob‐served surge records at the Waigaoqiao station .