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Hydromorphological survey of the Bilina River
Kyselka, Jan ; Matoušková, Milada (advisor) ; Langhammer, Jakub (referee)
The main aim of this thesis is assessment and presentation of results of the hydromorphological survey of the Bílina river, which belongs to rivers with the biggest anthropogenic impact in the Czech Republic. The method Hydroecological monitoring (HEM, Langhammer, 2007) was used for the survey. This method is compatible with the Water Framework Directive 2000/60/EC. 53 parts of the river with the lenght 31,99 km were assessed. The thesis also includes assessement of the rainoff regime and information about protection of water ecosystems and sources in the Bílina river basin. Keywords: hydromorphology, HEM, Bílina river
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Small water course restoration and its integration to the territorial systems of ecological stability
Blatecká, Markéta ; Kozel, Tomáš (referee) ; Hyánková, Eva (advisor)
This bachelor’s thesis deals with hydro-ecological monitoring and evaluation of watercourses using the HEM 2014 methodology - Methodology of monitoring hydromorphological indicators of ecological quality of watercourses and Methodology of type-specific evaluation of hydromorphological indicators of ecological quality of watercourses. The methodology is under the auspices of the Ministry of the Environment and it responds to the Water Framework Directive. Part of the work is a literary research focused on related topics, especially the revitalization and territorial system of ecological stability. Practical part includes monitoring and evaluation of a small watercourse. For a part of a watercourse there is a designed a plan to improve its condition with integration into the ÚSES.
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Hydromorphological survey as a basis for restoration measures of streams in urban areas
Jonáš, Miroslav ; Matoušková, Milada (advisor) ; Šobr, Miroslav (referee)
This thesis deals with hydromorphological survey using the HEM methodology (Langhammer, Hartvich 2014) and its application to the backbone streams of the Bouřlivec catchment. The aim is to determine the extent of anthropogenic modifications on these streams and their subsequent classification according to the corresponding classes of hydromorphological quality. In summary, 28,107 km of watercourses were mapped by field monitoring, which were divided into 101 morphologically unique sections. Each section was assigned a hydromorphological quality class according to the calculated hydromorphological status. In only 4,28 % of these sections, a state close to nature was stated. The remaining 95,72 % of sections show signs of anthropogenic modifications, which are evident especially in sections intersecting urban areas of towns and municipalities. The highest rate of anthropogenic modifications was identified in a total of 1,02 % of sections, which were assigned the worst class of hydromorphological quality. The sections that can be assessed as significantly modified make up to 18,24 % of the mapped area and the moderately modified sections cover 29,57 % of the area of interest. The final comparison of the two investigated streams clearly shows that the Loučenský brook significantly exceeds Bouřlivec,...
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Assessment of physical habitat quality as a basis for restoration of the Klíšský Brook
Vrška, Jaroslav ; Matoušková, Milada (advisor) ; Kliment, Zdeněk (referee)
This bachelor thesis is focused on the issue of evaluating changes in physical habitat and possible revitalization of Klíšský stream. The bachelor's thesis uses the method of hydroecological monitoring HEM (Langhammer 2014), according to which the evaluation and presentation of the results of field research was performed. The research part of the thesis briefly summarizes the current knowledge in the field of hydromorphology. Furthermore, the research part focuses on current knowledge dealing with the evaluation of the effects of revitalization measures. The current state of the Klíšský brook is described and on the basis of the obtained data, data are collected as a basis for a possible revitalization study of selected sections of the stream. The negative anthropogenic influences acting on the given locality are also summarized. The performed hydromorphological survey and further analyzes are the basis material for further preparation of individual complex revitalization measures. Keywords: hydromorphology, fluvial-morphological characteristics, channel route, riparian belt, flood plain, restoration, restoration efect
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Assessment of anthropogenic modification of the river network using hydromorphological survey as an example of the upper Metuje River
Kavalír, Václav ; Matoušková, Milada (advisor) ; Kujanová, Kateřina (referee)
Human modifications and related pressure on watercourses of its ecosystem became greatly discussed problematic in the latest dry years. The translated bachelor's thesis deals with these encroachments on watercourses as well as with its impact on hydromorphological quality. In recherché there are discussed basic hydromorphological knowledge and modifications of watercourses with its negative and positive effects on the watercourse along with its surrounding. For the evaluation of the hydromorphological condition was used HEM methodology (Langhammer 2014) applied on upper course of the Metuje River. Overall, based on the outcome of the HEM methodology the upper stream of the Metuje River is evaluated as a weakly modified. Less disturbed sections can be found in the area of the National Nature Reserve Adršpašsko-Teplické skály. The largest modifications can be seen in the build-up areas of Teplice nad Metují, where these modifications come particularly from the period of the First Republic. The area of the floodplain, is the most affected area. Trace of the rivercourse was overall shorted by 1 569 meters, therefore 7,5 % since mid-19th century, chiefly in the surrounding of Teplice nad Metují. The greatest concentration of diverse modifications is in the build-up zones. Key Words: Hydromorphology,...
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Hydromorphological monitoring of small water course and possibilities of its improvement
Jurenka, Marek ; Menšík, Pavel (referee) ; Hyánková, Eva (advisor)
This bachelor’s thesis deals with hydro-ecological monitoring of watercourses according to requirements of the European Water Framework Directive with using methodology type-specific evaluation of hydromorphological indicators of ecological quality of watercourses (HEM 2014). The practical part deals with the given watercourse according to the already mentioned methodology and for selected parts are made proposals to improve its overall state. The main goal of this work is to evaluate the nameless watercourse and propose the possibilities of its improvement
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Hydromorphology as a component part of ecological condition of water bodies
Kujanová, Kateřina ; Matoušková, Milada (advisor) ; Lehotský, Milan (referee) ; Pokorný, Jan (referee)
Today, the study of fluvial-morphological processes is focused on evaluating hydromorfological status of streams and on proposing restoration measures. A fundamental prerequisite for assessing the current hydromorphological status of streams is establishing reference conditions for each stream type that serve as a benchmark and represent the target status after restoration. The aim of this thesis is to describe type-specific hydromorphological reference conditions for rivers on the territory of the Czech Republic with the help of determining river types, developing the REFCON method for establishing reference sites and recording characteristics of reference status. The approach to establishing reference sites is based on meeting the criteria of having minimal anthropogenic impact that are first assessed using cartographic data and subsequently verified through field survey. Parameters - altitude, sinuosity, and valley floor slope - for classifying river reaches into types were determined on the basis of the results of statistical methods applied on 3197 river reaches covering the whole territory of the Czech Republic. The classification of river reaches into 9 river types was verified through field survey at 44 sites. Detailed field survey and measurements of characteristics of natural channel...
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Assessment of river restoration effects based on hydromorphology
Šolc, Jakub ; Matoušková, Milada (advisor) ; Tichý, Vojtěch (referee)
In the field of river restorations, topics being currently discussed are assessing success and quantifying effects that river restoration measures should have. This bachelor thesis deals with an assessment of the river restoration effects based on the hydromorphology. Current knowledge in fields of hydromorphology and fluvial geomorphology are presented in the theoretical part of this thesis. Recent outcomes and methodical procedures that are used to evaluate the effects of river restoration measures are also included. A method was developed based on the theoretical part of this thesis and the method EcoRivHab in order to assess the restoration effects by selected parametres. The method was applied on the restored segment of Litovický stream in Hostivice town in the practical part. The results of the thesis showed what a significant impact the restoration had on Litovický stream (in average +33.74 %). The parameter maximum flow velocity showed the highest effect (+84.9 %). On contrary, the parameter structure of bank vegetation had the only negative effect (-1.8 %). Key words: streams, river restoration, restoration effect, hydromorphology, hydromorphological survey
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Retention capacity of flood plain and alternative flood protection in the Berounka River catchment.
Pergl, Michal ; Matoušková, Milada (advisor) ; Šípek, Václav (referee)
This thesis deals with the retention capacity of Berounka during the hydrological extremes. Flood prevention and flood condition are main subjects of this thesis. Two selected river areas of Berounka are analysed by the passive retention volume and by the transformation of the flood wave. The first area is situated on the lower course of Berounka near the Černošice, and this area is significantly anthropogenically influenced. The second area which has nature character is located on the middle course of Berounka near Křivoklát. This thesis contains an evaluation of the hydromorphological state of flow in both areas. The results of passive retention indicate negligible influence of the flood situations. 1D hydraulic model HEC-RAS displays the transformation of the flood wave. The results of the transformation are flow velocity and depths of the river valley in 100-year-old and 20-year-old flows. The transformation of the flood wave in the first area is on the minimum level and did not reach its potential retention capability. The culmination flow in the second area is reduced because of a geomorphological shape of the river. Moreover, the near natural flood protection precautions are proposed in this thesis. Mean flow velocity in 100-year floods could be reduced by 1 - 1,6 m.s-1 by forestation of...
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Impact of habitat diversity and wood debris accumulation on macroinvertebrates
Nováková, Barbora ; Matoušková, Milada (advisor) ; Rödlová, Sylva (referee)
The revitalization of watercourses should be amended to restore the natural landscape water regime. Healthly waterflow should contain a morphologically rich bed with added dead wood and alternating pools and riffle. All these structures are colonized by varied fauna, that is distributed according to its dietary requirements. These problems are devoted to the research part of work. Another part is focused on the research of three tributaries in the upper basin of Blanice river near Prachatice. The location is thanks to the population of the freshwater pearl mussel (Margaritifera margaritifera), significant not only in Czech but also in european scale. Therefore, there is an important aspect of environmental protection. Given the importance of the site, there are experimental research carried out by Department of Physical Geography and Geoecology at the Faculty of Charles University in Prague. The practical part is based on the determination of macroinvertebrates revitalized Sviňovického brook and the subsequent evaluation of water quality. Samples of macroinvertebrate were collected using method PERLA and subsequently identified in families. For use BMWP score and ASPT index, the quality of water placed in the appropriate category of water quality.
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