| 珠三角地区晚第四纪以来气候变化和海平面升降的耦合效应——兼论珠江三角洲盆地及其周缘断裂的活动性 |
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| 引用本文： | 郭良田,李运贵.珠三角地区晚第四纪以来气候变化和海平面升降的耦合效应——兼论珠江三角洲盆地及其周缘断裂的活动性[J].华南地震,2008,28(2):53-58. |
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| 作者姓名： | 郭良田 李运贵 |
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| 作者单位： | 广东省地震局,广东,广州,510070 |
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| 摘 要： | 珠江三角洲第四纪地层可划分为三个沉积旋回，分别对应于三次海水进退旋回和三次气候暖冷交替旋回；三角洲盆地边界及其内部的分割性断裂构造有同沉积活动属性，地表探测难以找出其活动的直接地质依据；本区晚更新世晚期地层的古气候记录暗示，地球演化本身正在使现今气温逐渐升高，其力量远超过人类的影响。
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| 关 键 词： | 耦合效应 珠江三角洲 晚第四纪 古气候 海水进退 断裂活动性 |
Coupling Effects of Climatic Change and Sea Level Eustasy Since Late Quarternary in Pearl River Delta——Discussion of Fault Activities in Pearl River Delta Area |
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| GUO Liangtian,LI Yungui.Coupling Effects of Climatic Change and Sea Level Eustasy Since Late Quarternary in Pearl River Delta——Discussion of Fault Activities in Pearl River Delta Area[J].South China Journal of Seismology,2008,28(2):53-58. |
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| Authors: | GUO Liangtian LI Yungui |
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| Institution: | (Earthquake Administration of Guangdong Province, Guangzhou 510070, China) |
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| Abstract: | Quarternary strata of Pearl River delta can be divided into three cycles of sedimentation which correspond respeetively to three times of marine transgression and regression and also to the variations of climatic warmness and coldness in the same area. The faults in this area are synsedimentary and it is difficult to find out direct evidences of their activities in the late Quarternary. The records of ancient climates in the strata indicate that the evolution of the earth is making its current temperature keep rising gradually and this effect is much more powerful than that from human beings. |
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| Keywords: | Coupling effect Pearl River delta Late Quarternary Ancient climate Transgression and regression Fault activity |
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