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Dissertations / Theses on the topic 'Small water reservoir'
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Hastings, Jonathan James. "Quantifying small-scale geological uncertainty in reservoir models." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364781.
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Choodegowda, Ravikumar B. "Modeling small reservoirs in the Great Plains to estimate overflow and ground-water recharge." Diss., Kansas State University, 2009. http://hdl.handle.net/2097/4610.
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Doctor of PhilosophyDepartment of Biological & Agricultural Engineering
James K. Koelliker
Small reservoirs catch and store water for long periods and they decrease streamflow and increase ground-water recharge. A field monitoring program provided the measured water depth for four years in several reservoirs in the Republican River Basin where there are concerns about their aggregate effects in the basin. The daily water budget operation for one reservoir was developed. Daily seepage rates were estimated by using precipitation, inflow and evaporation which was assumed equal to grass reference evapotranspiration (ET0), that average 120 to 150 cm/yr, along with the measured stage-storage and stage-surface area relationships. Two computer simulation modules, written in FORTRAN 95, were developed to estimate 1) overflow and gross seepage and 2) potential for ground-water recharge underneath the reservoir. Required daily input data are precipitation, ET0, and inflow from the watershed area. Required reservoir site characteristics include stage-storage and stage-surface area relationships, a standard seepage rate (S0) at 14 different levels in the reservoir, soil-water and plant-growth characteristics and a monthly crop-residue factor. The gross seepage module calculates water depth that determines daily overflow, the water-surface area for evaporation and the head of water on the 14 levels to cause seepage losses. If a level is not inundated, seepage is zero. If a level is inundated less than 0.3-m, S0 is used. When the water head (hL) on a level exceeds 0.3 m, the seepage rate (SL) is increased by, SL = S0 * (hL/0.3)0.25. This relationship was chosen after testing several exponent values between 0 and 1. The modules were calibrated on one reservoir and verified on two others in northwestern Kansas. Results showed runoff from the watersheds averaged about 1.2 to 1.6 cm/yr from the average annual precipitation of 46 to 62 cm. The three reservoirs reduced streamflow at the reservoir site by 74 to 97%, but 90 to 95% of the retained runoff was calculated to contribute to ground-water recharge. Several sensitivity analyses for model inputs were done. Results showed that, the ratio of the average annual inflow volume from the watershed area to the reservoir storage volume was the most sensitive input variable tested.
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Matoušek, David. "Projekt malé vodní nádrže v k. ú. Níhov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409732.
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Diploma thesis ‚The project of a small water reservoir in the Níhov cadastral area’ has goal to introduce to reader the small water reservoir as the important landscape element. Small water reservoir is cornerstone of local ecological stability, which has important income for microclima in the closes surrounding. Furthermore, the function of constant improvement water quality in the basis or contribute to increasing of ground water level. Thesis is divided into two parts. In the first theoretical part thesis describes the topic of small water reservoirs briefly. The first part shortly describes the details of designing process or inner process within the reservoir. In the second practical part is created basic project documentation based on the data collected and measured in the affected area. The project was created in cooperation and upon request of investor the representation of the village Níhov.
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Prokešová, Eva. "Posouzení možnosti zřízení vodní nádrže." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402596.
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The aim of the thesis is to assess the possibility of establishing a water reservoir in s selected location witch regard to its possible water management activities including geological conditions. The thesis also defines basic terms related to water reservoir and their parts. This work was elaborated with the help of available literature and valid laws of the Czech Republic concerning the given issue. At the end of the work will be valued land meeting the conditions for the construction of a small water tank. The award will take place in two ways according to the decree and direct comparison.
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Pavlík, Tomáš. "Obnova a rekonstrukce malé vodní nádrže." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372321.
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This diploma thesis deals with analysis of small water reservoirs and their water management. The work is divided into two parts. The first part contains research and the second one is dedicated to the project of small water reservoir. The research describes the basic division of small water reservoir and their construction and technical equipage. The knowledge that has been found is applied in the project. The project describes the renovation of small water reservoir Kančí obora and pool, in k.ú Nové Bránice and Moravský Krumlov.
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Řeháková, Adéla. "Vodohospodářské řešení vodní nádrže Mlýnka." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265469.
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Diploma thesis deals with flood protection at small basin flow Mlýnka. Object of thesis is first design of flood protection – dry reservoir. Part of thesis is theoretical, which describes general design, constructional solution and basic information about operation and maintenance. Next part of thesis describes specific design of dry reservoir. In the end, there are evaluations and comparison with bachelor thesis. Programs, which were used for elaboration, are AutoCAD, ArcGIS, HYDROG, HEC, MS Office.
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Králíková, Štěpánka. "Analýza monitorování zemní hráze malé vodní nádrže." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409716.
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The diploma thesis deals with the use of the electrical impedance spectrometry method (EIS) and the devices Z-meter II, Z-meter III and Z-meter VI based on it for the monitoring earth-fill dams of small water reservoirs. The devices were developed in the Laboratory of Water Management Research of the Institute of Water Structures of the Faculty of Civil Engineering of the Brno University of Technology by solving international project of applied research in the EUREKA program. The analysis of monitoring of the dam of the small water reservoir Bezedník III, which is located in the cadastre of the village Kobeřice, was carried out. Monitoring was carried out from 2006 to 2012. One-off control measurements followed by analysis of achieved results were carried out in 2016, 2018 and 2019.
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Pojsl, Václav. "Návrh malé vodní nádrže na drobném vodním toku." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265456.
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The Master´s thesis is elaborated in a study small reservoirs. It is a container with a homogeneous dam with associated security object. The technical design solution tank based on the ČSN 75 2410 "Small water reservoirs". Water reservoir will serve as an ecological and landscaping features in the landscape. Will increase the biodiversity of the landscape and contribute to the ecological stability of the territory. The littoral zone of the reservoir area will serve in the future as a habitat for a variety of organisms. Accompanying vegetation serve to integrate small water tank to the ecological corridor.
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Richter, Štěpán. "Studie možnosti vybudování malých vodních nádrží v lokalitě u Vyškova na Moravě." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225619.
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This thesis deals with the design of small reservoirs at Vyškov na Moravě. Projected reservoirs’ dams are earth-fill and homogenous and each one is equipped with the bottom water outlet and the emergency spillway. The first reservoir, located on the tributary of the Drnůvka river, has the fountain type emergency spillway and the feed pipe bottom water outlet. The reservoir of the Merchanice river, situated at the Vyškov airport, is equipped with the lateral emergency spillway and the feed pipe bottom water outlet. The third design is the reconstruction of the Marchanka reservoir projecting the dam raise. For this small reservoir two variants of functional installations were elaborated.
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Ogilvie, Andrew Sean Gellett. "Upscaling water availability and water use assessments in hydro-social systems : the small reservoirs of the Merguellil catchment (Central Tunisia)." Thesis, King's College London (University of London), 2016. https://kclpure.kcl.ac.uk/portal/en/theses/upscaling-water-availability-and-water-use-assessments-in-hydrosocial-systems(c5fa4a5b-23de-4776-8227-304c1b86721b).html.
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Small reservoirs have become increasingly widespread across semi-arid regions, due to their ability to reduce transport of eroded soil and harvest scarce and unreliable rainfall for local users. The scale and geographical dispersion of these multiple hydro-social systems restrict their investigation, leading to difficulties in assessing their agricultural potential, their cumulative influence on runoff, and in identifying strategies to support riparian farmers. This research sought to develop a multi-scalar interdisciplinary approach to assess water availability across multiple small reservoirs and understand hydrological and wider drivers’ influence on associated agricultural practices. An Ensemble Kalman Filter approach was developed to combine 30 m Landsat flooded surface area observations with a daily hydrological (GR4J + water balance) model on 7 gauged reservoirs. Data assimilation, providing near-real time corrections, reduced runoff uncertainties generated by highly variable and localised rainfall intensities and lowered daily volume root mean square errors (RMSE) by 50% compared to the initial rainfall-runoff model forecast. Compensating for Landsat’s reduced temporal resolution and correcting outliers, the method correctly reproduced flood dynamics of 5 ha lakes (R²=0.9). Validated against extensive field data over 1999-2014, the method notably establishes Landsat imagery’s ability to assess annual water availability on ungauged reservoirs as small as 1 ha (RMSE circa 25%). Applied to 48 small reservoirs and 546 Landsat 5-8 images, the treatment chain identified the significant water scarcity and unreliability that impedes agricultural development on 80% of lakes in the Merguellil upper catchment (Central Tunisia). In parallel, rapid surveys, quantitative questionnaires and semi-directed interviews confirmed minimal withdrawals, yet highlighted the diversification of practices and the peripheral benefits accompanying small reservoir development. Many farmers lack the capabilities to increase their withdrawals and suffer physical and economic water access difficulties, mismanagement, compounded through limited and short-term government assistance. Individual successes resulted from farmers’ economic resilience and means to secure alternate water supplies during dry spells. Faced with limited storage capacities and prolonged droughts, small reservoirs must in this climatic context retain their supplementary irrigation focus and not strive to support widespread intensification of irrigated practices.
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Gardavská, Zuzana. "Monitorování filtračních procesů probíhajících v zemních hrázích." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-234539.
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This doctoral thesis with the title „Monitoring of filtration processes in earth dams“ represents possibilities of using electrical impedance spectrometry method (EIS) and devices Z- meter II and Z- meter 2A based on it for using a monitoring earth-fill dikes of small water reservoirs. The devices are developed in the Laboratory of Water Management Research Institute of Water Structures Faculty of Civil Engineering Brno University of Technology through international projects E!3838 and E!4981 in EUREKA program. As part of submitted doctoral thesis the monitoring has been conducted at two locations – earth-fill dike of small water reservoir Bezedník III in the cadastral area Kobeřice and earth-fill dike of fish pond Rybník u kostelíka near the village Jevíčko. The general guidance has been compiled based on the knowledge and experience of measurements to monitor earth-fill dike using method EIS. This guide covers the use of method and device Z-meter II from the choice of location and monitored the profile, selection and installation of probes into the dam body, the preparation of measurement location, configuration of the measuring apparatus including a user program Z-scan, through the process of measurement and recommended method of processing data.
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Prokop, Pavel. "Návrh vodohospodářských opatření v katastrálním území." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392197.
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This diploma thesis is divided into two main parts. The first part describes issues of the proposal of water management measures in land consolidation process. Second part deals with the conceptual proposal of water management measures in the specific cadastral area. This part also include graphic attachments.
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Mdemu, Makarius Victor. "Water productivity in medium and small reservoirs in the Upper East Region (UER) of Ghana." Bonn ZEF, 2008. http://hss.ulb.uni-bonn.de/disso̲nline/landwf̲ak/2008/mdemum̲akarius.
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Rumanová, Jana. "Návrh malé vodní nádrže v malém povodí." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240255.
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Master's thesis aims to design a small water reservoir. It is the dry water reservoir which is situated above a built-up area. The main function of this reservoir is a flood protection. Digital terrain model is created in a program BENTLEY MicroStation V8i – Power Civil. Focusing points in a data file are used in a process of creating of the DTM. Adjustments are done in AutoCAD. Particular hydro-technical calculations are calculated in a program Microsoft Excel. A program HEC-HMS is used for an assessment of a flood wave transformation and a program HEC-RAS is used for a water runoff simulation via emergency spillway.
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John, V. Chandy. "Development and application of linked hydrodynamic-water quality models for small lakes, reservoirs, and tidal inlets." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ31528.pdf.
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Ignatius, Amber. "Big water, little water identification of small and medium-sized reservoirs in the Apalachicola-Chattahoochee-Flint River Basin with a discussion of their ecological and hydrological impacts /." Tallahassee, Florida : Florida State University, 2009. http://etd.lib.fsu.edu/theses/available/etd-07132009-113438/.
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Thesis (M.S.)--Florida State University, 2009.Advisor: J. Anthony Stallins, Florida State University, College of Social Sciences, Dept. of Geography. Title and description from dissertation home page (viewed on Oct. 26, 2009). Document formatted into pages; contains ix, 88 pages. Includes bibliographical references.
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Pikna, Martin. "Návrh a posouzení suché nádrže a protipovodňové ochrany." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392220.
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The diploma thesis deals with the design of the flood protection of the village Hrušky (Vyškov district). The hydraulic analysis of the water flow on the rivers Litava (river station km 19,460 - 20,928) and Rakovec (river station km 0,000 - 0,638) was done. The hydraulic analysis was performed on the Q5, Q20 and Q100 flows. For analysis was used a 2D numerical flow model in HEC-RAS 5.0.6. Based on results was designed a flood protection including a dry reservoir. The input data for the diploma thesis was the 2013 study „Litava II – přírodě blízká protipovodňová opatření a obnova přirozené hydromorfologie a retenční kapacity toku a nivy v úseku ř. km 16,0 (Újezd u Brna) až ř. km 24,0 (Slavkov u Brna)“. The diploma thesis was processed as a real project in the design office of Regioprojekt Brno, s.r.o.
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Šámalová, Daniela. "Dům krátké cesty." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-354940.
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The assigned territory is situated in the City of Brno, in the city district of Židenice. From the west it is limited by the railway track Brno-Židenice, from the east by Koperníkova Street, from the north by Lazaretní Street and finally from the south by Bubeníčkova Street. Its area is approximately 45, 480 m2 which is 4,55 ha. From the urban perspective it is an intensive development in a separated block of the city with a protection zone. Total area is permeated by a few lines for pedestrians. The pedestrian zone provides better permeability of the area and better accessibility of the trade parterre. The buildings connect to surrounding development and respect the density of the integrity of the area. Intensive housing structure is regarded as "the city of short distance". The achievement of high density of housing development combines lots of various functions and relatively small built-up surface. While high-quality environment is preserved, people can find job oportunities in the intensive housing development without the need for transport. For achievement conception of compact city applies space urban planning. The shape of the estate directly impacted the principle of the proposal together with the city planning context of the current buildings. In the protective zone there is established a huge park with water reservoirs. The walk-through trade parterre is filled with many various functions, on its walkable roof is created a semi-public zone with skylights and freely introduced verdure. On the walkable roof there are independent blocks of apartments and public facilities. In the northern and southern corner are located public-service utilities and in the middle of this area there is a nursery and a kindergarden. In structural terms the building it is about cast-in-place concrete reinforced frame based on a white concrete foundation which has one underground level and five above-ground levels.
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EIBL, Jiří. "Zpracování studie revitalizace malého vodního toku." Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-395254.
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This diploma thesis focuses on the possibilities of restoration of a small water stream and the construction of a small water reservoir. The small water streams and small water reservoirs are not only the landscape-forming element in the countryside but also, they are used mainly as rectification of water regime in the countryside. In the past there were used inappropriate ways how to modify watercourses or land, there came about ignoring water reservoirs and even water reservoirs were disturbed. Because of that, it came about the harming of ecosystems, small retention of water in the countryside and about the disruption of the natural functions of water streams.
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ČERNÝ, Jan. "Finanční náklady na retenci vody v krajině a tvorbu mokřadů na území České republiky." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-79745.
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Different types of man-made retention systems (polder, small water reservoir, large water reservoir) have been characterized by means of their retention potential and cost of retention per one cubic meter. As part of these man-made retention systems, wetland area has been created. Its acreage and build expense has been counted up inreference to total area, which differed within various types of retention systems. The results of these calculations, Hessenian method, and the metohod of agricultural land use were used to evaluate natural river basin and its retention potential. The calculations reveal, that model locality of natural river basin has the lowest value, when used for agriculture cultivation. Hessenian method showed the highest value. The expense of substituting the natural retention of the model locality with different man-made retention systems is estimated to be 0.5?1.6 billion CZK.
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POSLUŠNÝ, Marek. "Zpracování revitalizační studie pro malou vodní nádrž." Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-188429.
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This Diploma Thesis deals with small water reservoirs as significant landscape elements, that have the essential influence on preservation or increase of generic diversity of the whole territory. In a specific example of the proposal of restoration of a small water reservoirs the pond Panský in the cadastral area of Lhota by Kamenice nad Lipou is presented the suitable way of approach to original, natural functions of this minor dam considering the interest of the owner, who uses the pond for semiintense fish farming.
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Mdemu, Makarius Victor [Verfasser]. "Water productivity in medium and small reservoirs in the Upper East region (UER) of Ghana / von Makarius Victor Mdemu." 2008. http://d-nb.info/989610799/34.
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Chiang, Shih-Hao, and 江士豪. "A study on water quality mapping of small reservoirs using a multispectral sensor carried on unmanned aerial vehicle (UAV)." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/86b9m2.
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碩士國立金門大學
理工學院工程科技碩士在職專班土木工程組
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The remote sensing techniques have been widely applied to environmental issues, such as water quality monitoring. The water quality in Kinmen, Taiwan has been worsening for a long time because of the exuberant alga growth. According to the observed Carlson index, the trophic classes of the reservoirs mostly are eutrophic or hypereutrophic. The bad water quality also hampers the water purification. In order to increase the amount of potable water, a project of water receiving from China is processing and will be finished in a few years. The four small reservoirs, including Tian-Pu, Jin-sha, Rung-Hu, and Shi-Hu reservoirs, are selected as the study sites, which cover a mere several hundred-thousand m2. A multispectral sensor carried on an unmanned aerial vehicles (UAV) coupled with sampling in situ is employed to estimate the water quality parameters, including chlorophyll-a (Chl-a), secchi disk depth (SDD), and turbidity. In this research, an enumeration-based algorithm, called matching pixel by pixel (MPP), is presented to establish robust empirical model between band ratio and water quality parameter. The experimental results indicate that, while MPP can reduce the influence of specular reflection on regression model establishment, specular reflection does hamper the correction of thematic map production. Due to water fluidity, sampling in situ should be followed by UAV imaging as soon as possible. Excluding turbidity, the obtained estimation accuracy can satisfy the national standard.
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Šádková, Eva. "Zaniklé malé vodní nádrže v Krkonoších: co by přinesla jejich obnova?" Master's thesis, 2020. http://www.nusl.cz/ntk/nusl-436401.
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This thesis deals with the evaluation of influence of small water reservoirs on the extreme runoff events (floods and drought) in the upper Úpa River basin. It summarizes knowledge about both hydrological extremes and their manifestations in the basin of interest as well as about small water reservoirs in the sense of water retention measures and their possible importance during the periods of low flows or floods. In this thesis two localities of possible reservoirs at place of former splash dams in Obří důl and on the Lysečinský Brook were chosen. To assess the influence of small water reservoirs on runoff during two chosen flood events and two periods of drought, the hydrological model HEC-HMS was applied. The results of model simulation proved a positive influence of reservoirs on the reduction of flood peaks (except for a concurrence of transformed flood waves in the outlet that occurred during one flood event), but the effect was decreasing with the increasing catchment area and the intensity of precipitation and with smaller storage capacity of a reservoir. During the low flows, a positive influence of reservoirs was observed as well, relating to the release of stored water. However, the ability of a reservoir to reduce deficit volume and to balance the flow was decreasing with smaller...
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RUČ, Karel. "Posouzení stavu malých vodních nádrží z hlediska jejich krajinných funkcí." Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-154360.
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This thesis is focused on evaluation of landscape functions of small water reservoirs. The aim is to analyze their basic parameters. For this purpose a realized project of the whole range of water reservoirs with special focus on revitalization was chosen. The source materials and the field research contributed to the final evaluation of the analysis of the water reservoirs condition before and after their completion. The basic data and revitalizing arrangements were identified according to the chosen indicators and criteria. Prevailing functions of the water reservoirs are derived from these indicators and criteria.
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Šmrhová, Zuzana. "Vliv malých vodních nádrží na výskyt extrémních odtokových epizod v povodí horní Otavy." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-340041.
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The main objective of this thesis is to prove the influence of small water reservoirs on the extreme runoff situations in a watershed of upper Otava River. The system of small water reservoirs represents an effective part of flood protection, which can be realized without greater changes of landscape. The research part of this thesis includes a summary of knowledge about rainfall-runoff process, small water reservoirs and hydrological modeling. The work is applied to model watershed of Roklanský creek, which is situated in a central part of Šumava Mountains. There are a few rain gauges and laser sensors situated in this watershed, whose are needed for the modeling process. The thesis contains a selection of appropriate data and methods for a creation of digital model of terrain. This digital model of terrain is used for creation of most of the parameters, whose are used for modeling of rainfall- runoff process. This modeling is done in hydrological modeling program HEC - HMS (Hydrologic Engineering Center - Hydrologic Modeling System). HEC - HMS is one of the most used simulation programs. The main part of the thesis is a simulation of rainfall-runoff process, applied to two real rainfall-runoff episodes. Next important part of the thesis is a comparison of this simulation with and without...