厦门大嶝码头拟建区海域的沉积环境

本文通过对大嶝码头拟建区沉积环境的详细，对比其几年来表层沉积物的变化状况，建立三维粒度参数图象，并结合柱状沉积物的参数演化，建立了该区域新近年代沉积环境演化模式。通过岸、滩的实地考察，采用海图对比分析，计算出拟建区岸滩宽度、高程的变化，并对其原因、泥沙运移规律进行探讨，计算出其年淤积强度，为该项工程建成后的防护问题提供依据。

Analysis on sedimentary environment of constructing area of Dadeng pier, Xiamen

Based on the detailed stud1es on the sedimentary environment of port area the compari-son of multial year changes of the surface sediments, the 3-D graph of grain-size parametersare set up. Combined with the consideration on the changes of sediment of the core-samples,the sedimentary models of the area is set up, Based on the investigation of the coastal lineand the beach, combined with the comparison of the historical chart, the width and theheight of the beach are calculated. The cause of variation and the rule of the sediment trans-portation and mud is explained and the deposition intensity is carried out. All these provldethe basis for the future protection of the engineerings.