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Volume XLI (41)

 

 

Bartłomiej Wyżga, Joanna Zawiejska 

Large wood storage in channelized and unmanaged sections of the Czarny Dunajec river, Polish Carpathians: implications for the restoration of mountain rivers

Wyżga B., Zawiejska J., 2010, Large wood storage in channelized and unmanaged sections of the Czarny Dunajec river, Polish Carpathians: implications for the restoration of mountain rivers, Folia Geographica ser. Geographica-Physica, vol. XLI (41): 5-34 .

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Juris Soms 

Reactivation of erosion processes in permanent gullies as a geomorphic response to extreme rainfall events

Soms J., 2010, Reactivation of erosion processes in permanent gullies as a geomorphic response to extreme rainfall events, Folia Geographica ser. Geographica-Physica, vol. XLI (41): 35-47.

Keywords: reactivation of erosion, geomorphic response, meteorological and hydrological extremes, Latvia

Summary: The geomorphic consequences of the reactivation of erosion processes in a permanent gully located in the Daugava River Valley (southeastern Latvia) were studied in relation to an extreme rainfall and hydrological event in May 2005. This particular fluvial form is an old gully covered in its lower reaches by broadleaf forest. Results obtained during field studies and analysis of meteorological and hydrological data show that an extreme rainfall event, with a maximum intensity on May 10, 2005, triggered floods in southeastern Latvia as well as the reactivation of erosion processes in stream channels. The formation of 0.8-1.1 m deep incisions and landslides in old woodland gullies demonstrated the possibility of reactivation of geomorphic processes caused by the cumulative erosive effect of peak runoff and flash flooding resulting from natural damming of a gully by landslides when the impounded pond water level rises and rapidly breaches the dam. However, these facts do not tie in with the opinions expressed in many research papers, that vegetation cover controls erosion and increases slope stability within gully channels. Hence, geomorphological studies of changes in permanent gullies associated with the reactivation of erosion are of significance for the purpose of generating new knowledge about contemporary erosion events and their controlling factors. Such studies are designed to lead to a better understanding of various forcing-response mechanisms of small catchments to extreme hydrometeorological events, as well as to determine the possible impact of environmental change on low order streams.

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Joanna Pociask-Karteczka, Zenon Nieckarz 

Extreme flood events in the Dunajec river drainage basin (Carpathian Mts.)

Pociask-Karteczka J., Nieckarz Z., 2010, Extreme flood events in the Dunajec river drainage basin (Carpathian Mts.), Folia Geographica ser. Geographica-Physica, vol. XLI (41): 49-58.

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António José Dinis Ferreira, Joao Pedro Nunes, Joao L.M. Pedroso de Lima, Carla Sofia Santos Ferreira, Tanya Esteves, Manuel Nunes 

Urban flood risk and pollutant relocation as a result of global change. A catchment experimental approach in central Portugal

Ferreira A.J.D., Nunes J.P., Lima J.L.P.d., Ferreira C.S.S., Esteves T., Nunes M., 2010, Urban flood risk and pollutant relocation as a result of global change. A catchment experimental approach in central Portugal, Folia Geographica ser. Geographica-Physica, vol. XLI (41): 59-66.

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Miroslav Tesař, Miloslav Sír, Miroslav Krejča, Jaroslav Fisák & Jiří Polívka 

Soil water movement during extreme precipitation in the Sumava Mts. and the Krkonose Mts. in August 2002

Tesař M., Sír M., Krejča M., Polívka J.F.&.J., 2010, Soil water movement during extreme precipitation in the Sumava Mts. and the Krkonose Mts. in August 2002, Folia Geographica ser. Geographica-Physica, vol. XLI (41): 67-73.

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Jaroslav Fisak, Miroslav Tesař, Miloslav Sir 

Long-term monitoring of liquid water content of low clouds and fog in selected small mountainous catchments in the Czech Republic

Fisak J., Tesař M., Sir M., 2010, Long-term monitoring of liquid water content of low clouds and fog in selected small mountainous catchments in the Czech Republic, Folia Geographica ser. Geographica-Physica, vol. XLI (41): 75-83.

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Joanna Fac-Beneda 

Estimation of total river runoff from small catchments in Northern Poland

Fac-Beneda J., 2010, Estimation of total river runoff from small catchments in Northern Poland, Folia Geographica ser. Geographica-Physica, vol. XLI (41): 85-92.

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Martina Kimlová, Simon Bercha, Libuše Bubeníčková, Pavla Řičicová, Jan Jirák 

Snowmelt in experimental basins in the Jizerské Hory Mountains during periods without precipitation

Kimlová M., Bercha S., Bubeníčková L., Řičicová P., Jirák J., 2010, Snowmelt in experimental basins in the Jizerské Hory Mountains during periods without precipitation, Folia Geographica ser. Geographica-Physica, vol. XLI (41): 93-101.

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Josef Buchtele, Miroslav Tesař 

Simulation of a rainfall - runoff process for the evaluation of variability in the river flow regime in small basins with vegetation changes

Buchtele J., Tesař M., 2010, Simulation of a rainfall - runoff process for the evaluation of variability in the river flow regime in small basins with vegetation changes, Folia Geographica ser. Geographica-Physica, vol. XLI (41): 103-110.

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