| The paleogeographic implications of loess mounds: Laizhou Bay plain |
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| 作者姓名： | ZHANG Zu-lu LIU En-feng NIE Xiao-hong WANG Lin |
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| 作者单位： | Department of Geography，Shandong Normal University，Jinan 250014，China |
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| 摘 要： | Loess mounds are made of gray-yellow loess materials and the number is over 200 in the area of over 1000 km2 on the alluvial or marine-built plains south of Laizhou Bay (Figure 1). 1 The formal and distributional characteristics of loess mounds 1.1 Formal characteristics The plane forms of loess mounds are irregular oval or round. Their major axes are in north-south trending, most of them are 300 to 500 m long, with smaller ones tens m long, and individual larger ones more than 1,000 m …
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| 收稿时间： | 10 November 2001 |
| 修稿时间： | 27 January 2002 |
The paleogeographic implications of loess mounds: Laizhou Bay plain |
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| ZHANG Zu-lu,LIU En-feng,NIE Xiao-hong,WANG Lin.The paleogeographic implications of loess mounds: Laizhou Bay plain[J].Journal of Geographical Sciences,2002,12(2):196-201. |
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| Authors: | Zhang Zu-lu Liu En-feng Nie Xiao-hong Wang Lin |
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| Institution: | Department of Geography, Shandong Normal University, Jinan 250014, China |
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| Abstract: | The loess mounds are a newly discovered type of landforms on the Laizhou Bay plain south of the Bohai Sea. Research shows
that they were formed in the late period of the late Pleistocene when the Bohai Sea was exposed in the period of late Wümu
glacial age and changed into plain. As the exposed area is not protected by vegetation, the sediments at the sea bottom are
blown and transported southward by strong north winds, and deposit on the coastal plains. As thick loess is accumulated, the
loess mound landforms are formed in the direction of down wind. |
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| Keywords: | loess landform Laizhou Bay plain south Bohai Sea late Pleistocene paleogeography desertificatoin of continental shelf |
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