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獨逸 EKBE江 河口의 河底地形 : 其I. 河底大砂丘
A Methodological Study on the Classification of Major Crop Regions in South Korea - Comparative Analysis of Agricultural Census’, 1960 and 1970

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Authors
朴東源
Issue Date
1975-12
Publisher
서울대학교 국토문제연구소
Citation
지리학논총, Vol.3, pp. 45-61
Abstract
Fluvial Morphology of the Elbe Estuary in Germany (1. Submarine Megaripples). The Submarine megaripples in the river bed of the Elbe estuary in Germany were studied with reference to the distribution, origin development. Writer has drawn the following conclusion. 1) The Submarine megaripples appear only in the sandy river bed. 2) The area of megaripples is increasing. 3) The largest ripple height is about 6m. A megaripple with interposed large scale ripple has greater ripple height than one without it. 4) The wave length lies between ca. 23-250m. The megaripples with interposed large scale ripples have greater wave length. 5) Ripple height and wave length are positively related. 6) The ripple index ( vertical form index of Burcher, 1919) lies between 10-85. Ripple index of megaripples with interposed large scale ripples are greater than ones without them. There is a tendency that as the ripples get farther from the thalweg the ripple index becomes greater. 7) The deeper the water, the larger the ripples formed. 8) The larger the grain size, the bigger the ripples are.
ISSN
1226-5888
Language
Korean
URI
http://hdl.handle.net/10371/89419
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College of Social Sciences (사회과학대학)Institute for Korean Regional Studies (국토문제연구소)지리학논총 (Journal of Geography)지리학논총 Volume 03 (1975)
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