Hydrogeological investigations of river bed clogging at a river bank filtration site along the River Warta, Poland
Journal Title: Geologos - Year 2017, Vol 23, Issue 3
Abstract
River bank filtration (RBF) is a system that enriches groundwater resources by induced infiltration of river water to an aquifer. Problematic during operation of RBF systems is the deterioration of infiltration effectiveness caused by river bed clogging. This situation was observed in the Krajkowo well field which supplies fresh water to the city of Poznań (Poland) during and after the long hydrological drought between the years 1989 and 1992. The present note discusses results of specific hydrogeological research which included drilling of a net of boreholes to a depth of 10 m below river bottom (for sediment sampling as well as for hydrogeological measurements), analyses of grain size distribution and relative density studies. The results obtained have allowed the recognition of the origin of the clogging processes, as well as the documentation of the clogged parts of the river bottom designated for unclogging activities.
Authors and Affiliations
Jan Przybyłek, Krzysztof Dragon, Piotr Kaczmarek
Keywords
Related Articles
- EP ID EP291113
- DOI 10.1515/logos-2017-0021
- Views 147
- Downloads 0
Loess encounters of three kinds: Charles Lyell talks about, reads about, and looks at loess
Charles Lyell (1797–1875) was an important loess pioneer. His major contribution was to distribute information on the nature and existence of loess via his influential book ‘The Principles of Geology’. He was obviously i...
What are cleats? Preliminary studies from the Konin lignite mine, Miocene of central Poland
Cleats (fractures, joints) are discontinuities in coals, including lignites. They are important in mining activity because of their gas and water permeability in hard coal, and mainly because of their water permeability...
Six days in July: Charles Lyell in the Eifel in 1831 (possibly looking at loess)
Charles Lyell made a geological excursion to the Eifel region in Germany in July 1831. He went to examine volcanic rocks and volcanic landscapes. He discussed this outing with Mary Somerville and Samuel & Charlotte Hibbe...
Baltic Sea coastal erosion; a case study from the Jastrzębia Góra region
The coastline in the Jastrzębia Góra area can be divided into three major zones of general importance: a beach and barrier section, a cliff section, and a section protected by a heavy hydrotechnical construction. These a...
Small-scale cyclic deposition in the Frasnian (Upper Devonian) of the Holy Cross Mountains, Poland
In sections exposing Frasnian limestones at five outcrops in the Holy Cross Mountains, five lithofacies (L1 to L5) that represent upper slope to basinal environments are identified. These lithofacies are characterised by...