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The results of estimation of the probable annual fl ood fl ows with the use of various sets of data from a small agricultural lowland river are presented. The traditional statistical series are formed from the annual maximum (AM) fl ows of hydrological years. After examination of the homogeneity of the series, two sets of data were formed (AM1 of 34 elements and AM2 of 40 elements), which differed...
The carried out measurement of waters flow and suspended sediment concentration in the river Wisłoka and the small water reservoir at Krempna constituted the basis of determination of conditions of suspended load transport at low water flow according to van Rijn’s criteria (1984). The results of measurements carried out in the river and in the reservoir permitted elaboration of profi les of suspended...
This contribution reviews available evidence of recent changes in the sediment loads of the world’s rivers and identifi es the key drivers of such change. Land clearance, land use change and other facets of catchment disturbance, soil conservation and sediment control programmes and dam construction are shown to have resulted in signifi cant recent changes in the sediment loads of many world rivers...
Floods in urban areas cause considerable economic losses and affect many people. Measures for flood mitigation in urban areas are primarily of an engineering character, however, existing city infrastructure very often restricts the introduction of appropriate new constructions. The city of Gdańsk is situated at the mouth of the Vistula river, on the area, which forms Vistula delta. It is the most...
The source area of the Lancang (Mekong), Yangtze and Yellow rivers is named in Chinese Sanjiangyuan (source of three rivers). Geographical characteristics of these rivers, and various rivers at the margin of the Qinghai- Tibetan Plateau (Jialing, Minjiang, Dadu, Yalong and Jinsha) are summarized from fi eld investigations along with digital elevation model (DEM) analyses and satellite images. Uplift...
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