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Titlebook: Dynamics and Geomorphology of Mountain Rivers; Peter Ergenzinger,Karl-Heinz Schmidt Book 1994 Springer-Verlag Berlin Heidelberg 1994 Fests

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樓主: Falter
51#
發(fā)表于 2025-3-30 09:36:08 | 只看該作者
Streambed dynamics and grain-size characteristics of tow gravel rivers of the Northern Apennines, Iiner material. A new procedure which extends the method into the fine sand range is presented. Sampling underwater bed material with the proposed device is easier and more reliable. Such procedure was applied to two gravelbed rivers of the Northern Apennines where 13 and 12 sampling sites were selec
52#
發(fā)表于 2025-3-30 15:56:24 | 只看該作者
53#
發(fā)表于 2025-3-30 17:00:29 | 只看該作者
54#
發(fā)表于 2025-3-30 20:42:38 | 只看該作者
Hydraulics and sediment transport dynamics controlling step-pool formation in high gradient streams characterized by the ratio of average shear stress to the shear stress required to move the largest grain sizes (./..) and the Froude number (Fr). Step spacing was correlated with the antidune wavelength and steps did not form when particle motion was continuous under high sediment transport rates.
55#
發(fā)表于 2025-3-31 02:35:22 | 只看該作者
Short term temporal variations in bedload transport rates: Squaw Creek, Montana, USA and Nahal Yatiana, a temperate mountain stream with coarse-grained sediment, the other at Nahal Yatir and Nahal Eshtemoa, Israel, both ephemeral channels subject to a semi-arid climate and also with a coarse gravel-bed. The results of the Squaw Creek electro-magnetic bedload measuring station were compared to the
56#
發(fā)表于 2025-3-31 06:37:09 | 只看該作者
Measuring systems to determine the velocity field in and close to the roughness sublayer,ed surface textures, research was carried out to develop a physical model that allows the stability and instability of river beds to be determined more precisely than previous ones (see .). The model is based on the exact knowledge of the turbulence characteristics of the liquid phase in combination
57#
發(fā)表于 2025-3-31 12:53:02 | 只看該作者
58#
發(fā)表于 2025-3-31 16:37:08 | 只看該作者
59#
發(fā)表于 2025-3-31 21:20:48 | 只看該作者
60#
發(fā)表于 2025-3-31 22:30:24 | 只看該作者
Q.W.L. developments in Holland: an overviewEurope. About 2800 km of this area show extensive glaciation. During the winter months snow covers the ground for a long time..Owing to these facts and the high amount of precipitation on both the northern and the southern Alpine margins, the Alps may be called the “hydrophylatium principale” of Eur
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