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題名:香港東灣的沙堤堆積物及其地史學意義
書刊名:國立臺灣師範大學地理研究報告
作者:黃朝恩
出版日期:1989
卷期:15
頁次:頁129-143
主題關鍵詞:史學地學沙堤東灣香港堆積物
原始連結:連回原系統網址new window
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  • 點閱點閱:54
The sand levee with a maximum elevation of +7.4m P.D. and its deposits on the southern coast of Lantau Island at Tung Wan are problematic in their origin. The feature suggests either a former higher sea level, a lower land mass, or just a considerable sand deposits building up over time behind the present beach. By means of field reconnaissance, granometric analysis and archaeological inference, this study contends that whether a sand levee deposit is that of a raised beach has not been proven, nor on the other hand, a storm beach and dune sand origin has been disproven. Under such circumstance, the concept of a previous higher sea level is not supported by field evidence in our study area and is unnecessary in accounting for the sand levee deposits here. The reasons include: 1. A topographic elevation of over +10m P.D. is well within the reach of dune sand deposits. Storm beach deposits associated with present day beaches may have been blown inland by strong wind during typhoon periods to form the levee. 2. A former higher sea level would be expected to leave high level erosional benches or strandlines on the rocky coast as well as marine deposits in the coastal valleys but none are particularly evident in the study area. 3. Textural studies indicated that sand deposits from the levee are obviously different from those from the beach with larger proportion of suspended constituents, better sphericity and lower degree of polishing. 4. Sand deposits associated with archaeological remains have been found in the study site dating back from the present to the early Holocene. Altogether six cultural horizons can be distinguished, the lowest of which is found down to the depth of +2m P.D. Therefore the postulated higher sea level could not have existed and it is more likely for the artifacts to have been buried by dune sand deposits migrating inland.
期刊論文
1.Friedman, G. M.(1961)。Distinction between dune, beach, and river sands from their textural characteristics。Journal of Sedimentary Petrology,31(4),514-529。  new window
2.Visher, G. S.(1969)。Grain size distributions and depositional processes。Journal of Sedimentary Petrology,39(3),1074-1106。  new window
3.Berry, L.(1969)。Changing sea levels and their significance in Hong Kong。Hong Kong University Engineering Journal,22,23-34。  new window
4.Berry, L.(1961)。Erosion Surfaces and Emerged Beaches in Hong Kong。Geological Society of America Bulletin,72,1383-1394。  new window
5.Fairbridge, R. W.(1961)。Convergence of evidence on climatic changes and ice ages。Annals of the New York Academy of Sciences,95(1),542-579。  new window
6.Folk, R. L.、Ward, W. C.(1957)。Brazos River Bar: a study in the significance of grain size parameters。Journal of Sedimentary Petrology,32,520-529。  new window
7.Kerr, R. A.(1981)。Within the Shoreline?。Science,214,428。  new window
8.Meacham, W.(1984)。Coastal landforms and archaeology in the Hong Kong Archipelago。World Archaeology,16,128-135。  new window
9.Meacham, W.(1986)。Archaeological evidence on higher sea-levels in Hong Kong. Sea Level Changes in Hong Kong during the last 40,000 Years。HKGS Abstract,3,31-33。  new window
10.Meacham, W.、Yim, W. W. S.(1984)。Coastal sand bar deposits at Pui O。Journal of Hong Kong Archaeological Society,10,70-71。  new window
11.Shepard, F. P.(1964)。Sea-level changes and their archaeological significance in the last 6,000 years。Science,143,574-576。  new window
12.So, C. L.(1968)。Landforms and archaeology。Journal of the Hong Kong Archaeological Society,1,24-28。  new window
13.So, C. L.(1979)。Sham Wan archaeological site: further observations on soil samples。Journal of the Hong Kong Archaeological Society,8,119-124。  new window
14.Van de Plassche, O.(1982)。Sea-level change and water-level movements in the Netherlands during the Holocene。Mededelingen Rijks Geologische Dienst,36,1-93。  new window
15.黃朝恩(19860700)。Grain Size Characteristics of the Beaches in Southern Hong Kong。中國地理學會會刊,14,123-148。new window  new window
16.Yim, W. W. S.(1986)。Radiocarbon dates for Hong Kong and their geological implications。Journal of Hong Kong Archaeological Society,11,50-63。  new window
17.Yim, W. W. S.(1986)。A sea-level curve for Hong Kong during the last 40,000 years。HKGS. Abstracts,3,23-30。  new window
18.太田陽子(1982)。日本全新世海平面變化研究の現狀と問題。第四紀研究,3,133-143。  延伸查詢new window
圖書
1.Schofield, Walter(1975)。An Archaeological Site at Shek Pik。Hong Kong Archaeological Society。  new window
2.黃鎮國(1986)。深圳地貌。廣東科技出版社。  延伸查詢new window
圖書論文
1.Jelgersma, S.(1961)。Holocene sea-level changes in the Netherlands。Med. Geol. St.。  new window
2.Pitman, L.、Peck, R.(1979)。The physical nature of the Hong Kong sea-shore。The future of the Hong Kong Seashore。O.U.P.。  new window
 
 
 
 
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