华南沿海海平面的变化速率  

STUDY ON CHANGE RATE OF SEA-LEVEL ON COAST OF SOUTH CHINA

作　　者：丁丽青[1] 酆晓[1] 叶东华[1] 

机构地区：[1]广东省地震局

出　　处：《华南地震》1996年第1期21-24,共4页South China Journal of Seismology

摘　　要：应用回归分析和切比雪夫拟合二种方法，根据验潮资料研究了华南沿海海平面的变化速率，进而结合区域构造研究了近２０年来华南海平面的变化特征，并讨论了将其用于地震趋势分析的可能性。结果表明，华南海平面平均变化速率为１．１ｍｍ／ａ，且呈上升趋势。大致可分为三个较显著的上升区，近年来多次发生中强震的粤闽沿海及粤桂琼沿海即占了其中两区，此现象很值得深入研究。Using two methods of regression analysis and Chibichiv filter, the change rate of sealevel on the coast of south china is estimated by the tidal data. Combined with regional structure, the variated characteristic of sea-level on the coast of south china in late twenty years is derived. The possibility that these methods are used for seismo-trend analysis is discussed. The result of study shows that the change rate of mean annual of sea-level on the coast of south china is 1. 1 mm/year and regarded as rising trend. Whole sea area may be divided into three obvious rising regions, in recently years, Fujian-Guangdong coastal area and Guangdong-Guangxi-Hainan coastal area in where medium and strong earthquake occurred many times locate in rising regions.

关 键 词：海平面变化 地震预测 华南沿海 变化速率 

分 类 号：P315.7[天文地球—地震学] P731.23[天文地球—固体地球物理学]