Thematische Bibliographien / Water reservoirs Brno

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Auswahl der wissenschaftlichen Literatur zum Thema „Water reservoirs Brno“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 9. Februar 2022

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Zeitschriftenartikel zum Thema "Water reservoirs Brno"

Mlejnková, Hana, und Zdenka Žáková. „Use of microbiological and biological methods for monitoring the influence of diffuse pollution on reservoir's water quality“. Water Science and Technology 33, Nr. 4-5 (01.02.1996): 341–47. http://dx.doi.org/10.2166/wst.1996.0524.

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The research results of water supply reservoirs and their tributaries in the Morava River basin showed the important role of the biological and microbiological investigations by monitoring the influence of diffuse pollution on the reservoir's water quality. Our report brings the critical evaluation of the possibility to use some microbiological and biological methods by monitoring of diffuse pollution, it also includes some practical results received from monitoring the streams and reservoirs within the Morava River basin (in the frame of research projects of the T. G. Masaryk Water Research Institute, branch office Brno).

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Kriška Dunajský, Michal, Miroslava Pumprlová Němcová, Jana Konečná, Petr Karásek und Jana Podhrázská. „Possibilities of Small Water Reservoir Impact Improvement on Surface Water Quality in Agricultural Landscape“. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 66, Nr. 1 (2018): 77–87. http://dx.doi.org/10.11118/actaun201866010077.

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In the Czech Republic, a significant amount of agricultural landscape nutrients is swept away by surface washes and leakages to subsoil. Subsequently there is a negative influence on surface water quality, where of course also point sources of pollution participate in. Flowing surface water often becomes stagnant while the certain self‑purifying processes proceed both in the flowing and stagnant waters. It can be simultaneously stated that the self‑purifying process is practically uncontrollable, primarily due to the impact of many entering factors. One of the environmental and technical elements providing quality improvement of water running off a water reservoir is deployment of constructed floating wetlands (CFW). The theoretical background, as well as the laboratory measurements carried out on the test land of the Brno University of Technology in experimental tanks, evidence the significant treatment efficiency of the CFW. Within the research activities, we focused on the general pollution parameters set for surface waters. The first results show that the total phosphorus concentration removal efficiency is 38.8 % after 22 days with employment of the CFW which is a considerably higher value compared to the lysimeter with no CFW where the removal efficiency was only 4.37 %. The results can be large‑scale applied to most of the small water reservoirs situated in the agricultural landscape.

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Bláha, Luděk, Lucie Bláhová, Jiří Kohoutek, Ondřej Adamovský, Pavel Babica und Blahoslav Marsálek. „Temporal and spatial variability of cyanobacterial toxins microcystins in three interconnected freshwater reservoirs“. Journal of the Serbian Chemical Society 75, Nr. 9 (2010): 1303–12. http://dx.doi.org/10.2298/jsc100113106b.

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In spite of substantial research on health and the ecological risks associated with cyanobacterial toxins in the past decades, the understanding of the natural dynamics and variability of toxic cyanobacterial blooms is still limited. Herein, the results of long term monitoring 1998-1999 / 2001-2008 of three reservoirs (V?r, Brno and Nov? Ml?ny), where toxic blooms develop annually, are reported. These three reservoirs provide a unique model because they are interconnected by the Svratka River, which allows possible transfer of phytoplankton as well as toxins from one reservoir to another. The frequency of the occurrence and dominance of the major cyanobacterial taxa Microcystis aeruginosa did not change during the investigated period but substantial variability was observed in the composition of other phytoplankton. Although absolute concentrations of the studied toxins (microcystins) differed among the reservoirs, there were apparent parallel trends. For example, during certain years, the microcystin concentrations were systematically elevated in all three studied reservoirs. Furthermore, the concentration profiles in the three sites were also correlated (parallel trends) within individual seasons based on monthly sampling. Microcystin-LR, a variant for which the World Health Organization has recommended a guideline value, formed only about 30-50% of the total microcystins. This is of importance, especially in the V?r reservoir that serves as a drinking water supply. Maxima in the cell-bound microcystins (intracellular; expressed per dry weight biomass) generally preceded the maxima of total microcystins (expressed per volume of water sample). Overall, the maximum concentration in the biomass (all three reservoirs, period 1993-2005) was 6.1 mg g-1 dry weight and the median values were in the range 0.065-2.3 mg g-1 dry weight. These are generally high concentrations in comparison with both Czech Republic and worldwide reported data. The present data revealed substantial variability of both toxic cyanobacteria and their peptide toxins that should be reflected by detailed monitoring programs.

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Straková, Lucie, Radovan Kopp, Eliška Maršálková und Blahoslav Maršálek. „Dynamics of the cyanobacterial water bloom with focus to Microcystis and its relationship with environmental factors in Brno reservoir“. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 61, Nr. 5 (2013): 1383–90. http://dx.doi.org/10.11118/actaun201361051383.

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Our paper brings new information about long-term changes of the phytoplankton communities in the Brno reservoir with the focus on the Microcystis abundance using the semi-monthly monitoring data covering the period 2006–2012. The main aim is to extract from this long-term data set differences in number of Microcystis cells depending on environmental factors. The development of cyanobacteria in Brno reservoir is caused by excessive phosphate loading from wastewater treatment facilities upstream and from non–point sources along the Svratka river. It focuses management effort on upstream controls of reservoir condition. High abundance in millions of cyanobacteria cells in 1ml observed in Brno reservoir before was reduced to values in the order of thousands cells in 1ml in last two years through a combination of measures (liming, precipitation of phosphorus on inflow, aeration and destratification). Phytoplankton composition was also changed and at the expense of cyanobacteria promoted the development of green algae and diatoms.

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Grmela, Jan, Radovan Kopp und Lenka Hadašová. „Eutrophication Potential of Wastewater Treatment Plants in the Upper Reaches of Svratka River“. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 62, Nr. 3 (2014): 469–75. http://dx.doi.org/10.11118/actaun201462030469.

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During the year 2012 thirteen selected sites were monitored in the stretch between Brno reservoir and Nedvědice village. Based on the former monitoring, samples from the major tributaries (Besenek, Loucka, Nedvedicka, Lube, Bily brook) and Svratka River above and below monitored area were taken. Besides the water from tributaries and the river also samples of water discharged from sewage treatment plants in villages Nedvědice, Doubravník, Březina and Veverská Bítýška were taken. Basic chemical and physical parameters of water were measured. Major impact of monitoring was to target the amount of nutrients, especially phosphorus. Requirements for salmonid (Svratka upper, Nedvedicka, Loucka, Besenek, Bily brook) or cyprinid (Lube, Kurimka, Svratka lower) waters quality meet at all localities. Wastewater treatment plants (WWTP) meet the emission standards in all cases. Monitoring of the amount of nutrients out-flowing from WWTP at extreme flows is not usually carried out at all. Based on our results, the phosphorus inflow into Brno reservoir would be up to 50 t per year in the case of average flow 7.96 m3.s−1 of Svratka River in Veverská Bítýška.

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Popovic, Marko. „The bathing chamber in the castle of Novo Brdo“. Starinar, Nr. 68 (2018): 175–90. http://dx.doi.org/10.2298/sta1868175p.

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A recent archaeological excavation of the Castle of the town of Novo Brdo has discovered residential buildings from the second quarter of the 14th century as well as the remains of a subsequently built bath, dated to the end of the 14th or beginning of the 15th century. Built on a small area, the bath consisted of a single bathing chamber above a hypocaust, a water reservoir and a furnace. Since there were no natural springs or groundwater wells, it was supplied with water from cisterns. The bathing chamber, originally domed, was not furnished with a masonry water basin. It was heated by an under floor hypocaust system and by steam conveyed by pipes from are servoir of boiling water. The only known analogies for this small structure, presently the only such discovered in medieval Serbia and its neighborhood, are bathing chambers in residential complexes in the region of Amalfi, southern Italy.

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Franců, E., J. Schwarzbauer, R. Lána, D. Nývlt und S. Nehyba. „Historical Changes in Levels of Organic Pollutants in Sediment Cores from Brno Reservoir, Czech Republic“. Water, Air, & Soil Pollution 209, Nr. 1-4 (02.09.2009): 81–91. http://dx.doi.org/10.1007/s11270-009-0182-x.

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Sedláček, Jan, Ondřej Bábek und Tomáš Matys Grygar. „Trends and evolution of contamination in a well-dated water reservoir sedimentary archive: the Brno Dam, Moravia, Czech Republic“. Environmental Earth Sciences 69, Nr. 8 (13.11.2012): 2581–93. http://dx.doi.org/10.1007/s12665-012-2089-x.

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Stenvold, Torkjell, Ola Eiken, Mark Zumberge, Glenn Sasagawa und Scott Nooner. „High-Precision Relative Depth and Subsidence Mapping from Seafloor Water Pressure Measurements“. SPE Journal 11, Nr. 03 (01.09.2006): 380–89. http://dx.doi.org/10.2118/97752-pa.

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Summary A method to accurately measure seafloor subsidence away from platform locations is presented. The method is based on seafloor water pressure, which is measured on top of predeployed benchmarks visited one after another using a remotely operated vehicle (ROV) and is at the same time measured continuously throughout the survey at one or more reference locations. Because no significant subsidence is expected during a few days of data acquisition, high-precision relative depths representative for the average time of the survey can be obtained. Accurate subsidence estimates between seafloor surveys are found assuming negligible subsidence at benchmarks located outside the field. Results from six seafloor surveys performed at two gas fields in the North Sea are presented. For an area of 1 km2 at 80 m water depth, single-measurement relative depth precision (standard deviation) of 0.4 cm was obtained. Correspondingly, for an area of 700 km2 at 295 to 345 m water depth, 0.6 cm was obtained. Single-station subsidence accuracy down to 1 cm is achieved from the two most recent pressure surveys at the large field. A subsidence signal is seen for this difference, and it is compared with modeled subsidence. Error budgets for depth precision and subsidence, incorporating instrumental and environmental errors, are discussed. Introduction Reservoir compaction caused by the extraction of hydrocarbons usually results in surface subsidence. The most vulnerable fields are those with thick and soft reservoir formations being exposed to a large drop in pore pressure. For such fields, reservoir compaction can be a major energy drive for production that enhances the recovery of the field (Merle et al. 1976). Reservoir compaction can also lead to a reduction in permeability. When significant subsidence occurs, it can cause well failures and costly repairs of surface structures such as platforms and pipelines (Bruno 1992). Subsidence monitoring can improve the safety of field installations, and it may also be used to estimate reservoir behavior and formation properties. Marchina (1996) reported examples of high-accuracy leveling data from the Groningen gas field used to estimate pressure depletion in the aquifer by solving a linear inverse problem, and Nagel (1998) used bathymetry data from the Ekofisk field to achieve estimates of overburden properties.

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Buriánková, Iva, Peter Kuchta, Anna Molíková, Kateřina Sovová, David Výravský, Martin Rulík, David Novák, Jan Lochman und Monika Vítězová. „Antibiotic Resistance in Wastewater and Its Impact on a Receiving River: A Case Study of WWTP Brno-Modřice, Czech Republic“. Water 13, Nr. 16 (23.08.2021): 2309. http://dx.doi.org/10.3390/w13162309.

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Antibiotic resistance has become a global threat in which the anthropogenically influenced aquatic environment represents not only a reservoir for the spread of antibiotic resistant bacteria (ARB) among humans and animals but also an environment where resistance genes are introduced into natural microbial ecosystems. Wastewater is one of the sources of antibiotic resistance. The aim of this research was the evaluation of wastewater impact on the spread of antibiotic resistance in the water environment. In this study, qPCR was used to detect antibiotic resistance genes (ARGs)—blaCTX-M-15, blaCTX-M-32, ampC, blaTEM, sul1, tetM and mcr-1 and an integron detection primer (intl1). Detection of antibiotic resistant Escherichia coli was used as a complement to the observed qPCR results. Our results show that the process of wastewater treatment significantly reduces the abundances of ARGs and ARB. Nevertheless, treated wastewater affects the ARGs and ARB number in the receiving river.

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Dissertationen zum Thema "Water reservoirs Brno"

Gomboš, Michal. „Vodojemy - Brno, Žlutý kopec“. Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2021. http://www.nusl.cz/ntk/nusl-451226.

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After successfully avoiding of the destructive scenario with the demolition of reservoirs and replacing them with parking house, the second question arises. How to stimulate the people's interest in these underground jewels, the interest that would confirm the decision to save reservoirs. One of the possible ways, in which I see a purpose and the one that I decided to chose is to make the reservoirs accessible alongside the pathway and let the natural curiosity of human to do the rest.

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Šmihula, Michal. „Kulturně společenské centrum u brněnské přehrady - architektonická studie objektů pro kulturně společenské i sportovní akce“. Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2010. http://www.nusl.cz/ntk/nusl-215678.

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The design of cultural centre is situated in part Kozia Hôrka( well-known city swimming pool), in its advantage takes natural scenery and calm atmosphere of place. Into action of performance brings a message in form of body of reservoir, function of centre is divided into small parts placed in area Kozia Hôrka. Orientation of objects comes mainly from local natural ispirations. Complex is multifunctional in concept, counts with several sorts of culture - sports events. Whereby the main function of swimming pool is preserved and added for higher comfort of inhabitants. Architecture of objects comes from idea of floating leaf on water level and body of reservoir. Objects stylizely illustrate this idea. The design takes the game of solids of organic and strictly ortogonal shapes. Two mutual opposites, in interaction. Objects smoothy and with respect encroach the environment, which is enough marked by human. Simplicity in used materials ( glass, steel, wood ) give transparency and purity to whole solution.

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Buchteile zum Thema "Water reservoirs Brno"

„The Angler in the Environment: Social, Economic, Biological, and Ethical Dimensions“. In The Angler in the Environment: Social, Economic, Biological, and Ethical Dimensions, herausgegeben von Zdenĕk Adámek und Pavel Jurajda. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874240.ch21.

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<i>Abstract</i>.—Regularly administered and appropriately collected anglers´ records not only provide very important information about the particular fishing effort and stocking efficiency (rate of return), but may also be used for understanding fish growth, natural spawning success, and fish assemblage composition and its development. The data from anglers´ records are of particular importance in bigger reservoirs where the evaluation of fish assemblage structure, abundance, and biomass using routine fisheries sampling methods is quite difficult. Using data from the Brno Reservoir, we examined the utility of anglers´ records for the evaluation of fish assemblage composition and development with respect to water quality development. The deterioration of water quality in past decades was presented in considerably increasing ratio between nonpredatory and predatory fishes biomass in anglers´ catches. In 1991–2007, cyprinids prevailed in anglers´ catches. The mean annual angling effort in the Brno Reservoir was 55,063 ± 10,393 angling trips (man-day performance). The mean annual angling yield reported in anglers´ records amounted to 32,613 ± 7,411 kg (26,236 ± 7,428 fish individuals), which corresponds to an individual angling yield of 148 ± 34 kg/ha during the period mentioned above. Thus, the yearly angling yield from the Brno Reservoir de facto exploits the natural productivity of this type of reservoirs (250 m above sea level), which usually corresponds to 150–200 kg/ha.

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Konferenzberichte zum Thema "Water reservoirs Brno"

Knoppová, Kateřina, Daniel Marton und Petr Štěpánek. „APPLICATION OF RAINFALL-RUNOFF MODEL: CLIMATE CHANGE IMPACTS ON RESERVOIR INFLOW“. In XXVII Conference of the Danubian Countries on Hydrological Forecasting and Hydrological Bases of Water Management. Nika-Tsentr, 2020. http://dx.doi.org/10.15407/uhmi.conference.01.11.

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The impacts of climate change are beginning to be felt in the Czech Republic. In recent years, we were challenging a dry period, which threatens to continue affecting Czech economy, agriculture and personal comfort of local people. The need to adapt to climate change is obvious. The groundwater resources are in continuous decline, consequently, the surface water supplies are increasing in importance. How would the quantity of available water change in the future? How much water would we be able to store within the year to manage it during the dry seasons? Rainfall-runoff models enable us to simulate future changes in hydrological conditions based on climate projections. One of such tools is Runoff Prophet, the conceptual lumped model being developed at the Institute of Landscape Water Management at Brno University of Technology. It is used to simulate time series of monthly river flow in a catchment outlet without the need to describe the morphological characteristics of the catchment. Runoff Prophet produced good results of calibration and proved its suitability for conceptual hydrological modelling in variable hydrological conditions of the Czech Republic. The aim of the paper was to assess the possible impact of climate change on future inflow into Vír I. Reservoir, one of the drinking water resources for Brno, a city of 380 000 inhabitants. The recently developed software Runoff Prophet was used to simulate future river flow time series. The model was calibrated on the catchment of gauging station Dalečín on Svratka River as the reservoir inflow. Prognoses of future river flow were performed using climate scenarios prepared by Global Change Research Institute of Czech Academy of Sciences. These scenarios (RCP types) are based on the outcomes from different regional climate models of Euro-CORDEX initiative. Characteristics of possible future air temperature and precipitation in the basin were evaluated in terms of its impact on reservoir management. The results of hydrological modelling gave the perspective of expected changes in Vír I. inflow yield. The options of using Vír I. Reservoir as a drinking water supply for Brno in coming decades were assessed.

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