| 秦皇岛地区海岸侵蚀与淤积因素分析 |
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| 引用本文： | 卢玉东,孙建中.秦皇岛地区海岸侵蚀与淤积因素分析[J].海洋地质与第四纪地质,1997,17(4):101-107. |
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| 作者姓名： | 卢玉东 孙建中 |
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| 作者单位： | 西安地质学院水工系 |
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| 基金项目： | 地矿部“八五”攻关项目 |
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| 摘 要： | 近些年来，秦皇岛地区海岸侵蚀已成为一种严重的地质灾害。通过分析计算，本区地壳上升的速度量级很小，不会对海岸的侵刨造成显著的影响。海平面的升高，使区内一些稳定区及下降区的海岸侵蚀加强。尽管秦皇岛所处的渤海周围有许多特别是象黄河这样的高泥沙含量的河流，但其大部分泥沙只分布在沿岸地带。
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| 关 键 词： | 海岸侵蚀 淤积 秦皇岛 海岸泥沙 |
ANALYSIS OF FACTORS OF COASTAL EROSION AND SILTING IN QINHUANGDAO REGION |
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| Lu Yudong,Sun Jianzhong.ANALYSIS OF FACTORS OF COASTAL EROSION AND SILTING IN QINHUANGDAO REGION[J].Marine Geology & Quaternary Geology,1997,17(4):101-107. |
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| Authors: | Lu Yudong Sun Jianzhong |
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| Abstract: | Recently,coast erosion is becoming a serious hazard that occurs in Qinhuangdao region.The coast change is influenced by complex multiple factors,that is,tectonic movement,sea level change,river dynamic and human activities.By analysis and calculation,we conclude that velocity of crust lifting is negligible in the region and therefore can not influence coast erosion.The rise of sea level promotes coast erosion in some stable and subsiding areas.Although there are many rivers like Huanghe River with high silt discharge around Bohai Sea where Qinhuangdao is located,the silt is mainly distributed along the coast.Tide and water mass have great effect on silt and sand movement along the coast.Along coast current is a direct factor that causes coast erosion and deposit.Man made reservoirs and sand excavation in some rivers reduce silt discharge into sea,these human activities are vital factors that cause coast erosion hazard in Qinhuangdao region recently. |
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| Keywords: | coast change factor Qinhuangdao region |
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