| 福建宁德三都澳的沉降与冲淤探讨 |
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| 引用本文： | 陈世亮.福建宁德三都澳的沉降与冲淤探讨[J].福建地质,2008,27(4):409-413. |
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| 作者姓名： | 陈世亮 |
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| 作者单位： | 福建省第四地质大队,福州,350011 |
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| 摘 要： | 宁德三都澳位于福建省东部沿海，口小腹大水深，为中国乃至世界罕见天然良港，阐述全新世以来，三都澳的地壳沉降规律、新构造运动特征，分析三都澳在全新世（1万年）以来，以及全新世晚期（三千多年）来，澳内沉降速率，淤积物等情况，认为三都澳成为世界性良港原因，是地壳沉降作用整体大于澳内淤积物。
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| 关 键 词： | 沉降 淤积 冲刷 探讨 宁德三都澳 |
On the Sedimentation and Cut-and-fill Conditions of the Sandouao Bay in Ningde City, Fujian Province |
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| Chen Shiliang.On the Sedimentation and Cut-and-fill Conditions of the Sandouao Bay in Ningde City, Fujian Province[J].Geology of Fujian,2008,27(4):409-413. |
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| Authors: | Chen Shiliang |
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| Institution: | Chen Shiliang (No. 4 Geological Party of Fujian Province, Ninde, 350011) |
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| Abstract: | The Sanduao Bay in Ningde City, situated at the eastern coast of Fujian Province, is one of natural best harbors. The paper presents the regular pattern of crustal subsidence and the characteristics of the neotectonic movement in the Sanduao Bay since Holocene and makes an assay of the subsidence rates and accumulated sediment within the Bay since Holocene (ten thousand years B.C.) and the late stage of Holocene (three thousand years B.C.). It is considered that in the Sanduao Bay the crustal subsidence is wholly greater than the accumulated sediment, which is the major factor of taking shape of the worldwide good harbor. |
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| Keywords: | sedimentation siltation scouring discussion Sanduao Bay Ningde City |
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