No description available.

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This thesis presents the design concepts and development of an interface (Pre- Pro2004) utilizing geodatabases for the Hydrologic Modeling System (HMS) of the Hydrologic Engineering Center (HEC). HMS is a rainfall-runoff model which supports lumped-parameter as well as distributed-parameter based modeling. PrePro2004 uses the spatial-analysis as well as data handling capabilities of ArcGIS. The spatial data are processed to create input files for HMS. These input files and the output from HMS are stored in two geodatabases which were developed using data model concepts. The tools are provided to reproduce an HMS model from the data inside these geodatabases. The interface is developed based on the DataCentric approach which brings different hydrologic and hydraulic models together. This approach aims to attain a long-term goal of utilizing the same data for different hydrologic or hydraulic models with additional model specific requirements. Two case studies are presented to show the applications of the tools developed. The first case study details the creation of HMS input files for Salado Creek watershed with Digital Elevation Model as input. It includes the importation of an existing HMS model for Salado Creek watershed as Appendix C. The second case study details the creation of HMS input files for the Bull Creek watershed, with land use and soil type data as inputs. It describes the capabilities of tools developed in detail.

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The thesis deals with a creation of a model that imitates a flood wave and determining the flooded area after the rupture of the earth dam situated on the water flow Bílá Desná in The Liberec Region. It is not only a fictitious demonstration, but the actual application of a real flow wave caused by the destruction of the hydraulic dam from 1916 till the present state of the territory. The used input data were obtained from the ČÚZK and the terrain measurements. These data were processed in several programs, namely: HEC-GeoRAS and HEC-RAS. From the results of the model was determined the flooded area during peak flow and a model that portrays the development of the flood wave on the designed flow section. The results of this study enable to sketch the event which could occur if the rupture of the hydraulic dam did not occur in the 1916, but nowadays.

O processo de urbanização vem ocorrendo na maioria das cidades brasileiras de forma desorganizada. Desse modo, um problema recorrente que afeta diversos municípios brasileiros são as inundações. A falta de um planejamento que levasse em consideração a drenagem urbana no início do desenvolvimento das cidades acaba criando condições para que as inundações sejam deflagradas a cada época chuvosa. Assim, mostra-se necessária a planificação de medidas preventivas e corretivas que abordem essa questão, a fim de que os prejuízos causados pelas inundações sejam minimizados. Dessa forma, a modelação hidrológica aparece como uma poderosa ferramenta, ao tornar possível uma análise das medidas de controle, através da criação de cenários e simulação de eventos hidrológicos. Nesse contexto o presente trabalho tem como objetivo analisar, por meio de simulação hidrológica e hidráulica, o desempenho de algumas medidas de controle de inundação, estruturais e não-estruturais. Para tanto, com o auxílio do programa ArcGIS 9.3 e imagens de satélite de alta resolução, a bacia hidrográfica do Córrego do Gregório, em São Carlos SP, foi digitalizada e foram criados cenários alternativos que incorporaram as medidas de controle. Através da utilização dos softwares HEC-HMS e HEC-RAS foram realizadas as modelações hidráulica e hidrológica, utilizando tempos de retorno de 25, 50 e 100 anos para a chuva de projeto. Com os resultados obtidos (hidrogramas de cheia e manchas de inundação referentes a cada tempo de retorno), foi possível analisar as medidas comparando-se os diferentes cenários, e concluiu-se, para este caso, que os melhores resultados correspondem à associação das medidas estruturais e não-estruturais. Contudo, também foi verificado que, mesmo com a concretização do cenário mais favorável, o problema das inundações não seria satisfatoriamente equacionado, o que revela a necessidade de se considerar outras medidas para minimizar os prejuízos decorrentes das inundações, tais como medidas de controle na fonte, seguros contra inundações e sistemas de alerta antecipados. / The urbanization process has taken place in most Brazilian cities in a disorganized way, and floods are a recurring problem that has affected many municipalities. The lack of a planning that takes into account the urban drainage in the early development of the cities creates conditions for floods to occur in every rainy season. Therefore, the planning of preventive and corrective measures is necessary to address this issue in order to minimize the flood damages. Hydrological modeling appears as a powerful tool, as it enables the analysis of the flood management measures through the creation of scenarios and simulations of hydrological events. In this context, this dissertation analyzes the performance of some structural and nonstructural flood control measures by means of hydrologic and hydraulic simulations. The basin of the Gregório Stream, in São Carlos - SP, was scanned and scenarios that incorporate the management measures were created, both with the aid of software ArcGIS 9.3 and highresolution satellite images. Hydraulic and hydrologic modelings were performed by HEC-HMS and HEC-RAS software programs using return periods of 25, 50 and 100 years for the design storm. The results (flood hydrographs and flooding areas for each return period) allowed analyzing the measures by comparing the different scenarios and the best results corresponded to the association of structural and nonstructural measures. However, even by implementing the best scenario, the problem of flooding would not be satisfactorily solved, revealing the need to consider other measures to minimize flood damage, such as runoff source control measures, flood insurance and early warning systems.

No description available.

O processo de urbanização vem ocorrendo na maioria das cidades brasileiras de forma desorganizada. Desse modo, um problema recorrente que afeta diversos municípios brasileiros são as inundações. A falta de um planejamento que levasse em consideração a drenagem urbana no início do desenvolvimento das cidades acaba criando condições para que as inundações sejam deflagradas a cada época chuvosa. Assim, mostra-se necessária a planificação de medidas preventivas e corretivas que abordem essa questão, a fim de que os prejuízos causados pelas inundações sejam minimizados. Dessa forma, a modelação hidrológica aparece como uma poderosa ferramenta, ao tornar possível uma análise das medidas de controle, através da criação de cenários e simulação de eventos hidrológicos. Nesse contexto o presente trabalho tem como objetivo analisar, por meio de simulação hidrológica e hidráulica, o desempenho de algumas medidas de controle de inundação, estruturais e não-estruturais. Para tanto, com o auxílio do programa ArcGIS 9.3 e imagens de satélite de alta resolução, a bacia hidrográfica do Córrego do Gregório, em São Carlos SP, foi digitalizada e foram criados cenários alternativos que incorporaram as medidas de controle. Através da utilização dos softwares HEC-HMS e HEC-RAS foram realizadas as modelações hidráulica e hidrológica, utilizando tempos de retorno de 25, 50 e 100 anos para a chuva de projeto. Com os resultados obtidos (hidrogramas de cheia e manchas de inundação referentes a cada tempo de retorno), foi possível analisar as medidas comparando-se os diferentes cenários, e concluiu-se, para este caso, que os melhores resultados correspondem à associação das medidas estruturais e não-estruturais. Contudo, também foi verificado que, mesmo com a concretização do cenário mais favorável, o problema das inundações não seria satisfatoriamente equacionado, o que revela a necessidade de se considerar outras medidas para minimizar os prejuízos decorrentes das inundações, tais como medidas de controle na fonte, seguros contra inundações e sistemas de alerta antecipados. / The urbanization process has taken place in most Brazilian cities in a disorganized way, and floods are a recurring problem that has affected many municipalities. The lack of a planning that takes into account the urban drainage in the early development of the cities creates conditions for floods to occur in every rainy season. Therefore, the planning of preventive and corrective measures is necessary to address this issue in order to minimize the flood damages. Hydrological modeling appears as a powerful tool, as it enables the analysis of the flood management measures through the creation of scenarios and simulations of hydrological events. In this context, this dissertation analyzes the performance of some structural and nonstructural flood control measures by means of hydrologic and hydraulic simulations. The basin of the Gregório Stream, in São Carlos - SP, was scanned and scenarios that incorporate the management measures were created, both with the aid of software ArcGIS 9.3 and highresolution satellite images. Hydraulic and hydrologic modelings were performed by HEC-HMS and HEC-RAS software programs using return periods of 25, 50 and 100 years for the design storm. The results (flood hydrographs and flooding areas for each return period) allowed analyzing the measures by comparing the different scenarios and the best results corresponded to the association of structural and nonstructural measures. However, even by implementing the best scenario, the problem of flooding would not be satisfactorily solved, revealing the need to consider other measures to minimize flood damage, such as runoff source control measures, flood insurance and early warning systems.

This thesis deals with a proposal for flood area in cadastral district of a town Hluk. Proposed area is defined from 12,805 to 15,495 rkm, total lenght of proposal is 2,69 km. Data for the creation of flood area of Hluk were provided by The Moravia River Basin, s.e. Brno. The analysis of flood area was done by using the computer program HEC - RAS. The final flood area for proposed flow Q100 was done in the computer program AutoCAD. The thesis is complemented by drawing documentation and photografic documentation. Key words: flood, HEC - RAS, transverse profile, the river Okluky

This thesis is focused to flood protection in Bělá nad Radbuzou. Flood protection is designed only for central part of this town, there are, in the central part, most interesting buildings, like city office, shopes, hotel. Protection of buildings, situated in pheriphery in this town are not solved, because of economic and esthetic reasons. Purpose of this work is solution of flood protection in downtown, in range of documentation for area project. This thesis is focused in the first step to detected floods lines and submersion of buildings. In this work are solved suitable grounds for find correct trace of flood protection. Next step is hydrotechnical modelling of water surface for Q5, Q20, and mainly for Q100. Then are solved height and direction of flood protection. In this work are solved statics paramerters of flood protection and separately is created designing part. Economic part and calculating acreage is solved too. In conclusion is complex valorization of flood defences and calculating of total costs. This work were solved on foundations of hydrologic and geodetic data. Data were proces in softwares HEC-RAS, ArcGis, Kros plus and AutoCad. Contribution of this thesis si solving and calculating range flood protection for this town. The main purpose is solved direction and height of flood protection and calculating finance part of this construction. The results of this thesis shows a comprehensive summary about flood protection in Bělá nad Radbuzou.