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, Karnataka: implications on Archean Proterozoic boundary. Journal of the Geological Society of India 75, 829-840. Bluck, B.J., 1971. Sedimentation in the meandering River Endrick. Scottish Journal of Geology 7, 93-138. Boogaart, P.W., Van Balen, R.T. Vandenberghe, J. & Kasse, C., 2003. Process-based modelling of fluvial system response to rapid climate change II. Application to the River Maas (The Netherlands) during the Last Glacial-Interglacial transition. Quaternary Science Reviews 22, 2097-2110. Brierley, G.J., 1989. River planform facies models: the sedimentology of

Abstract

The aim of the study was to determine changes in potamoplankton structure caused by lakes in the fluvial system of the small River Wel. The river flows through 10 lakes. The study was conducted in 2007 and 2008. The selection of sites enabled the assessment of the impact exerted by hydrological conditions of the river on zooplankton, as well as the determination of the effect of lakes situated within the river course on the analysed assemblage of organisms. In total 95 species were determined with an average abundance 1026 ind. 10 dm-3. Rotifers dominated qualitatively and quantitatively and among crustaceans - Copepods. Lakes seem to be the main source of zooplankton in the fluvial system of the Wel River. The lakes disturb the river continuum, but their impact on the structure of zooplankton is short-lived. Due to the presence of flow-through lakes along the river, species richness of zooplankton in the Wel River is similar to that in large rivers.

próbek (KWB „Bełchatow” [Age of the brown coal deposits from Bełchatów lignite mine (central Poland)]. Przegląd Geologiczny 48, 1038-1045. Therrien, F., 2006. Depositional environments and fluvial system changes in the dinosaur-bearing Sanpetru Fm. (Late Cretaceous, Romania): post-orogenic sedimentation in an active extensional basin. Sedimentary Geology 192, 183-205. Vandenberghe, J., 2008. The fluvial cycle at cold-warmcold transitions in lowland regions: A refinement of theory. Geomorphology 98, 275-284. Villard, P.V. & Church, M., 2005. Bar and dune development

basin, Reintal, Bavarian Alps, Germany. Geomorphology 55(1-4): 45-63, DOI 10.1016/S0169-555X(03)00131-4. Schumm SA, 1968. River adjustment to altered hydrologic regimen - Murrumbidgee River and Palaeochannels, Australia. United States Geological Survey Professional Paper 598: 65pp. Schumm SA, 1977. The fluvial system. Chichester, John Willey & Sons: 338pp. Smith DN, Roseff R, Bevan L, Brown AG, Butler S, Hughes G and Monckton A, 2005. Archaeological and environmental investigations of a Lateglacial and Holocene river sedimentary sequence on the River Soar at

–210. Grenfell, M.C., Nicholas, A.P. & Aalto, R., 2014. Mediative adjustment of river dynamics: The role of chute channels in tropical sand-bed meandering rivers. Sedimentary Geology 301, 93–106. Hartley, A.J., Weissmann, G.S., Nichols, G.J. & Warwick, G.L., 2010. Large distributive fluvial systems: characteristics, distribution and controls on development. Journal of Sedimentary Research 80, 167–183. Head, M.J., Seidenkrantz, M.S., Janczyk-Kopikowa, Z., Marks, L. & Gibbard, P.L., 2005. Last Interglacial (Eemian) hydrographic conditions in the southeastern Baltic Sea, NE

accumulation of coal and on development of anastomosed fluvial systems in the Cretaceous Dakota Fm. of S Utah. Sedimentology 39, 581-598. Klimek, K., 1972. Present-day fluvial processes and relief of the Skeidararsandur plain, Iceland. Prace Geograficzne, Polska Akademia Nauk 94, 1-139. (in Polish, with English summary) Klimek, K. & Starkel, L., 1972. Kotliny Podkarpackie. [In:] Klimaszewski, M. (Ed.), Geomorfologia Polski , vol 1. PWN, Warszawa, 117-138. Kotlicka, G. N. & Kotlicki, S., 1979. Geological map of Poland 1:200 000, Gliwice A sheet. Polish Geological

(in Polish). Rozwałka A, 1997. Lubelskie wzgórze staromiejskie w procesie formowania się średniowiecznego miasta (The Lublin Old Town Hill in the process of Medival town formation). Lublin: 102pp (in Polish). Starkel L, 1977. Paleogeografia holocenu (Palaeogeography of the Holocene). Warszawa, PWN: 362pp (in Polish). Starkel L, 2002. Change in the frequency of extreme events as the indicator of climatic change in the Holocene (in fluvial systems). Quaternary International 91(1): 25-32, DOI 10.1016/S1040-6182(01)00099-4. Starkel L, 2005. Role of climatic and

of Geology, 157 p. Rosgen, D. 1996. Applied River Morphology. Wildland Hydrology. Hilton Lee Silvey, Lakewood Colorado. Schumm, S. A. 1977. The Fluvial System. Wiley and Sons, New York, 338 p. Schumm, S.A.1963. A tentative classification of alluvial river channels, US. Geological Survey Circular 477, 10. Schumm, S.A. 2005. River variability and complexity. Cambridge University Press. Cambridge. 220 p. Simons, D.B. Richardson, E.N. 1962. The effect of bed roughness on depth-discharge relations in alluvial channels. US. Geological Survey Water-Supply Paper 1498 - E

Abstract

The development and evolution of confined outwash fans in high Arctic regions depend on the rate of meltwater discharge, which is directly related to the glacier ablation rate, in turnassociated with climate conditions. Other factors controlling outwash fan morphology (e.g. depth and width of distributive channels) are processes of fluvial erosion, and the transport and deposition of sediments. These factors have not previously been considered together in relation to the evolution of the confined outwash fans which are commonly incised into the top of permafrost in the forefields of subpolar glaciers and in mountains in high Arctic regions. Morphology and surficial sediments of a confined outwash fan of the Waldemar River (NW Spitsbergen, Svalbard) were analysed on the basis of geomorphological and sedimentological studies. The results of our investigations show multiple relations between the depth and width of distributary channels, fan slope and textural features of glaciofluvial surficial sediments supplied into the fluvial system from the glacier and from lateral fluvial erosion of permafrost

REFERENCES Bogacki M., Kowalczuk I., 2000, Geomorfologia ekologiczna systemów fluwialnych. Zagadnienia teoretyczne i metodyczne [Ecological Geomorphology of Fluvial Systems. Theoretical and Methodological Issues; in Polish], Wydawnictwo Akademickie DIALOG, Warszawa. Richling A., Solon J., 1998, Ekologia krajobrazu [Landscape Ecology; in Polish], Wydawnictwo Naukowe PWN, Warszawa.