Tesis sobre el tema "Flooding"
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Norbiato, Daniele. "Regional analysis of flooding and flash flooding". Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3425502.
Texto completoKasimbazi, Gloria. "POLYMER FLOODING". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for petroleumsteknologi og anvendt geofysikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-25562.
Texto completoFrick-Trzebitzky, Fanny. "Riskscapes of flooding". Doctoral thesis, Humboldt-Universität zu Berlin, 2018. http://dx.doi.org/10.18452/19225.
Texto completoThe thesis shows how uneven landscapes of urban flood risk are (re)produced. Coastal urbanisation comes with multiple risks, to which the poor are particularly exposed. Social dynamics underlying uneven riskscapes are however poorly understood. The Densu delta in Accra, a dynamically urbanising wetland, is analysed as a case based on qualitative data with methods from human geography. The overall research question is: What are the relations and dynamics that shape the distribution of flood risks, and how are they materialised in the currently highly uneven patterns of flood risk around the Densu delta? The concept of ‘riskscape’ is applied through lenses of critical institutionalism and argumentation to analyse the processes behind uneven distribution of vulnerability and adaptive capacity. Findings are that firstly, institutional and bio-physical dynamics produce a diverse landscape of vulnerability. Secondly, dynamics of authority shape adaptive capacity. Thirdly, disparities in policy arguments widen implementation gaps in adaptation to flooding. The research contributes to the existing literature in highlighting the role of actors and underlying practices and institutions in shaping multiple uneven riskscapes. In the present research the reproduction of uneven riskscapes of flooding is shown for the Densu delta case. Further research ought to look at cross-scale interactions between riskscapes and their practical implications for flood risk reduction.
Engelke, Jennifer. "Wetlands: a flooding solution". Kansas State University, 2012. http://hdl.handle.net/2097/13691.
Texto completoDepartment of Landscape Architecture/Regional and Community Planning
Tim Keane
Wildcat Creek in Riley County, KS has repeatedly flooded in the past 5 years causing significant damage to the watershed, private property, and community livelihood. Strategically placing wetlands throughout the watershed can help reduce stormwater runoff, increase infiltration, and increase wildlife habitat. A watershed assessment was completed to determine the best location for wetlands in the Wildcat Creek Basin. Two watershed-scale plans for wetlands were derived and evaluated based upon estimation of stormwater runoff and quality of wildlife habitat. Wetlands were then examined and incorporated into existing land cover and land uses at the site-scale for an existing golf course. Three proposals for the nine hole course (for best golf experience, wildlife habitat, and wetland creation) were developed to reflect expansion options from a Par 30 to a Par 34 or 35 course. Each proposal was evaluated based on wetland capacity from estimated stormwater runoff, quality of wildlife habitat, playability of the golf course for all skill levels, and cost of implementation. After this evaluation, the wetland proposal was moved forward and further developed into a proposal that is best suited for the site. Following wetland implementation, stormwater runoff can be collected on-site to prevent runoff and flooding at the golf course and downstream. In order to solve flooding problems in the Wildcat Creek watershed, a series of wetlands can be implemented at the smaller site scale, like the Wildcat Creek Golf Course site, throughout the watershed. Wetlands are one component of a larger stormwater management system that is needed to reduce flooding of the Wildcat Creek and the flood-prone area of Manhattan, KS.
Shiraishi, Tatsuya. "Flooding tolerance of rice". Thesis, Shiraishi, Tatsuya (1991) Flooding tolerance of rice. PhD thesis, Murdoch University, 1991. https://researchrepository.murdoch.edu.au/id/eprint/52562/.
Texto completoJiang, Long. "Numerical simulation of urban flooding". Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.504497.
Texto completoMcNeil, D. A. "Flooding in a vertical tube". Thesis, University of Strathclyde, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381710.
Texto completoPorwal, Rupesh. "Adaptive Selective Flooding Qos Routing". Thesis, Indian Institute of Science, 2002. https://etd.iisc.ac.in/handle/2005/3924.
Texto completoPorwal, Rupesh. "Adaptive Selective Flooding Qos Routing". Thesis, Indian Institute of Science, 2002. http://hdl.handle.net/2005/51.
Texto completoAtthawutthisin, Natthaporn. "Numerical Simulation of Low Salinity Water Flooding Assisted with Chemical Flooding for Enhanced Oil Recovery". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for petroleumsteknologi og anvendt geofysikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19113.
Texto completoAfeku, Kizito. "Urbanization and Flooding in Accra,Ghana". Connect to this document online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1123271331.
Texto completoTitle from first page of PDF document. Document formatted into pages; contains [1], v, 53 p. : ill. Includes bibliographical references (p. 50-53).
Nie, Linmei. "Flooding Analysis of Urban Drainage Systems". Doctoral thesis, Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-308.
Texto completo- Description of the problems
Throughout history floods have been one of the most severe natural catastrophes, which brought about loss of lives and huge economic losses in addition to the influence on community activities and adverse effects on the environment. We have witnessed enormous flood events almost all over the world, even in the early years of 21st century. The cruel lesson learnt is that we have not coped well with floods.
Studying the risk of flooding is the goal of this thesis. The focus is given to flooding of urban drainage systems. Urban climate, human activities and land use vary quickly and greatly with time. These variations modify the features of both urban hydrology and hydraulics, and change the distribution of water. It may lead to dual adverse effects in one region: the severe water shortage in one period and the increasing risk of flooding in another period. Therefore, finding appropriate solutions for these problems has been being a great challenge for the whole world.
- Aims of this study
This study aims to contribute ideal approaches and models to understand deeply urban flooding problems, i.e. to find the causes of flooding, to analyze their propagations and on this basis to evaluate the risk of flooding, and finally to search for solutions for flood mitigation.
- Study contents and methodologies
Distinguishing the potential hazards of urban flooding, delineating the changes of urban lands, developing models to simulate flooding and examining different measures to mitigate the risk of flooding constitute the main contents of this study. It is carried out by both qualitative analysis and quantitative simulations in a stepwise manner. Regarding the stochastic characteristics of flooding, a risk analysis initiates the study, which aims to formulate flooding scenarios in general urban environment through procedures of system definition, hazard identification, causal analysis, frequency analysis, consequence estimation and mitigation. A Norwegian case study illustrates the whole process.
Following the risk analysis, GIS technology is introduced to delineate the variation of topography. GIS hydrological modeling is applied to delineate the basic hydrological elements from a Digital Elevation Model (DEM). The accuracy of grid DEM and the influence of buildings are studied.
Two urban flooding models, the "basin" model and the dual drainage model, are developed on the basis of the MOUSE program (DHI, 2000). The three models, i.e. the MOUSE model, the “basin” model and the dual drainage model, are examined through two case studies, and the flow capacities of the existing sewers in these two case studies are then checked. Following the flooding simulation, the effectiveness of four flooding mitigation measures is tested.
- Main results
Sixty-eight (68) potential flooding hazards are identified by risk analysis in Chapter three. In combination with Trondheim case study, the frequencies of several flooding scenarios are studied, and it is indicated that the flooding of urban drainage systems happens more frequently than river flooding. When it happens, urban flooding disturbs very much the activities in flooding areas. Therefore management attentions should be paid to urban flooding in addition to large river flooding.
GIS is used as a bridge between digital data and numerical flooding simulation. Two important hydrological elements, watersheds and surface stream networks, are derived from grid DEM in Chapter four. The preliminary flood risk zones are delineated in combination with two case studies. They provide useful information for flood management.
The three flooding models are calibrated through two case studies: Trondheim- Fredlybekken catchment in Norway and Beijing-Baiwanzhuang (BWZ) catchment in China. Flooding checking of the existing sewer systems in these two case studies indicates that the current flow capacities of sewers are less than the designed capacities. Consequently, flood mitigation measures are examined in the following Chapter six. The study indicates that the combination of structural and non-structural flood mitigation measures are regarded as the comprehensive solution for flood control.
- Restrictions of the developed models
The developed flood models are restricted to summer and autumn flooding situations. In other words, the snowmelt routine is not included in the hydrological model applied. However, if a hydrological model that is able to simulate snowmelt could be connected to the developed models, then the hydraulic analysis would be carried out similarly.
Zhu, Wanning. "Multipoint Relay flooding : Network coding improvements". Thesis, KTH, Kommunikationssystem, CoS, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91526.
Texto completoIu, Ming-Yee. "Selective Flooding in Ad Hoc Networks". Thesis, University of Waterloo, 2002. http://hdl.handle.net/10012/1152.
Texto completoMcQuillan, K. W. "Flooding in annular two-phase flow". Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354843.
Texto completoOlayinka, Dupe Olayinka. "Modelling flooding in the Niger Delta". Thesis, Lancaster University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.658090.
Texto completoEl-Feghi, Farag Abdulrazzak. "Miscible flooding in correlated random fields". Thesis, Heriot-Watt University, 1992. http://hdl.handle.net/10399/1506.
Texto completoSubramanian, Jayashree Ph D. Massachusetts Institute of Technology. "Efficient flooding for wireless mesh networks". Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/71490.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references (p. 113-116).
Flooding in wireless mesh networks involves distributing some data from one node to rest of the nodes in the network. This dissertation proposes UFlood, a flooding protocol for wireless mesh networks that targets large file transfers, such as software updates, where achieving high throughput (minimizing the time to complete the flood to all nodes) and low airtime (lower the time each node spends in transmitting packets, and thus lower the impact on other wireless traffic) are both important. The central challenge in good flooding performance is the choice of senders for each transmission opportunity. At each time during a flood, some parts of the network will have received more data than others. The set of best sending nodes lies along the boundaries between these regions, and evolves with time in ways that are difficult to predict. UFlood's key new idea is a distributed heuristic to dynamically choose the senders likely to lead to all nodes receiving the flooded data in the least time. The mechanism takes into account which data nearby receivers already have as well as inter-node channel quality. The mechanism includes a novel bit-rate selection algorithm that trades off the speed of high bit-rates against the larger number of nodes likely to receive low bit-rates. Unusually, UFlood uses both random network coding to increase the usefulness of each transmission and detailed feedback about what data each receiver already has; the feedback is critical in deciding which node's coded transmission will have the most benefit to receivers. The required feedback is potentially voluminous, but UFlood includes novel techniques to reduce its cost. The dissertation concludes that careful choice of senders allows UFlood to achieve 150% higher throughput than MORE, a known high-throughput flooding protocol, using 65% less time transmitting. UFlood uses 54% lower airtime than MNP, an existing flooding protocol to minimize airtime, and achieves 300% higher throughput.
by Jayashree Subramanian.
Ph.D.
Gibson, Marc A. "THERMOSYPHON FLOODING IN REDUCED GRAVITY ENVIRONMENTS". Case Western Reserve University School of Graduate Studies / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=case1354132775.
Texto completoKannan, Gangadharan. "Selective flooding for better QoS routing". Link to electronic version, 2000. http://www.wpi.edu/Pubs/ETD/Available/etd-0510100-143929/.
Texto completoBlack, Andrew Roger. "Seasonality of flooding in Scottish rivers". Thesis, University of St Andrews, 1993. http://hdl.handle.net/10023/15201.
Texto completoThorstensson, Jonatan. "Genomgång av skyddsmetoder för TCP SYN flooding". Thesis, University of Skövde, School of Humanities and Informatics, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-4103.
Texto completoFöljande arbete behandlar möjliga lösningar för hantering av SYN flooding, en Denial-of-Service-attack mot tjänster som använder TCP för kommunikation över datanätverk. Ett flertal olika skyddsmetoder, med varierande ansatser, identifieras, beskrivs och undersöks. Även möjligheter att kombinera dessa analyseras. Det visas att genom att implementera existerande skydd, samt kombinera flera av dessa begränsas hotet från SYN flooding avsevärt. Rekommendationer presenteras dessutom för hur organisationer bör gå tillväga för att säkra tjänster som riskerar att utsättas för SYN flooding-attacker genom att implementera skydd nära tjänsten först samt därefter ytterligare lager allt längre ut i nätverket.
Palomo, Isaac. "Implementing Green Infrastructure to Address Urban Flooding". The University of Arizona, 2017. http://hdl.handle.net/10150/626201.
Texto completoFarlow, Charles R. "Prepositioning for flooding in the Sacramento region". Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/5721.
Texto completoThe Sacramento region is prone to flooding disasters. This thesis uses an optimization model to recommend where to preposition and/or expand warehouses, health-care personnel, ramp space, and transportation vehicle capacity. Adequate prepositioning helps evacuate the emergency population (EP), supply commodities to affected population (AP) that stays back in the affected areas (AAs), and transport other displaced population (DP) to the relief locations (RLs) for shelter. The goal is to minimize the expected number of EP and AP casualties, and then to maximize the DP transported to RL shelters, both during the first 72 hours after a flood disaster. We model a network of eight AAs and ten RLs, four flooding scenarios of different severity, and several budget levels for expansion of the initially prepositioned resources. We find that the RLs that the Federal Emergency Relief Agency (FEMA) has already selected have enough warehouse space to support the AP. This model recommends minor investment in additional health-care providers and emergency rescue vehicles for the EP. On the other hand, we observe a shortfall in mass housing capacity for the DP, even after fully expanding the capacity of existing facilities.
Wat, Rex Man Shing. "Experimental modelling studies of miscible flooding processes". Thesis, University of Exeter, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310076.
Texto completoUllberg, Susann. "Watermarks : Urban Flooding and Memoryscape in Argentina". Doctoral thesis, Stockholms universitet, Socialantropologiska institutionen, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-89335.
Texto completoMessham, Rebecca Louise. "Doing business underwater : flooding, entrepreneurship and resilience". Thesis, University of Hull, 2014. http://hydra.hull.ac.uk/resources/hull:11488.
Texto completoBrendel, Conrad. "Analysis, Modeling, and Forecasting Of Urban Flooding". Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/105131.
Texto completoDoctor of Philosophy
As the world becomes more urbanized and heavy precipitation events increase in frequency and intensity, urban flooding is an emerging concern. Urban flooding is caused when heavy rainfall collects on the landscape, exceeding the capacity of drainage systems to effectively convey runoff. Unlike riverine and coastal flooding, urban flooding occurs frequently, and its risks and impacts are not restricted to areas within floodplains or near bodies of water. The objective of this dissertation is to improve our understanding of urban flooding and our capability to predict it through the development of tools and knowledge to assist with its analysis, modeling, and forecasting. To do this, three research objectives were fulfilled. First, the Stream Hydrology And Rainfall Knowledge System (SHARKS) app was developed to improve upon existing real-time hydrologic and meteorological data retrieval/visualization platforms through the integration of analysis tools to study the hydrologic processes influencing urban flooding. Next, the ability to simulate the hydrologic response of urban watersheds with large storm sewer networks was compared between the fully distributed Gridded Surface/Subsurface Hydrologic Analysis (GSSHA) model and the semi-distributed Storm Water Management Model (SWMM). Finally, the Probabilistic Urban Flash Flood Information Nexus (PUFFIN) application was created to help users evaluate the probability of urban flash flooding and to identify specific infrastructure components at risk through the integration of high-resolution quantitative precipitation forecasting, ensemble forecasting, and hydrologic and hydraulic modeling. The outcomes of this dissertation provide municipalities with tools and knowledge to assist them throughout the process of developing solutions to their site-specific urban flooding issues. Specifically, tools are provided to rapidly analyze and respond to rainfall and streamflow/depth information during intense rain events and to perform retrospective analysis of long-term hydrological processes. Evaluations are included to help guide the selection of hydrologic and hydraulic models for modeling urban flooding, and a new proactive paradigm of probabilistic flash flood guidance for urban areas is introduced. Finally, several potential directions for future work are recommended.
Lundberg, Ludvig. "Damage Assessment of Mozambique Flooding Using Sentinel". Thesis, KTH, Geoinformatik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-272396.
Texto completoDambe, Natalia. "Riverine flooding using GIS and remote sensing". Master's thesis, Faculty of Engineering and the Built Environment, 2020. https://hdl.handle.net/11427/31738.
Texto completoAlSofi, Abdulkareem Mohamad. "The simulation and design of polymer flooding". Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/7031.
Texto completoAustin, Barney Nicolas. "Probable maximum flooding using quantitative weather radar". Thesis, University of Salford, 1995. http://usir.salford.ac.uk/43018/.
Texto completoGrew, Helen Louise. "Temporal variability of flooding in Scottish rivers". Thesis, University of St Andrews, 1997. http://hdl.handle.net/10023/15203.
Texto completoStolle, Jacob. "Debris Hazard Assessment in Extreme Flooding Events". Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39621.
Texto completoKeef, Caroline. "Spatial dependence of river flooding and extreme rainfall". Thesis, Lancaster University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.485231.
Texto completoBecker, Andrea. "Wood frame building response to rapid onset flooding". Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/2429.
Texto completoDarch, Geoffrey. "Climate change and future flooding in the UK". Thesis, University of East Anglia, 2010. https://ueaeprints.uea.ac.uk/24510/.
Texto completo胡俊平 y Chun-ping Wu. "Tidal flooding and its research in Hong Kong". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B26823810.
Texto completoRaby, Alison Caroline. "Extreme waves, overtopping and flooding at sea defences". Thesis, University of Oxford, 2003. http://ora.ox.ac.uk/objects/uuid:82fcc770-8838-4f9b-9abe-32eecdd05f9a.
Texto completoAlhdad, Gazala. "Responses of Suaeda maritima to flooding and salinity". Thesis, University of Sussex, 2013. http://sro.sussex.ac.uk/id/eprint/43812/.
Texto completoFarantatou, Eirini. "FLOODING THE CITY : CREATING DYNAMIC SPACES FOR WATER". Thesis, KTH, Stadsbyggnad, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-189039.
Texto completoYou, Yonghua. "A defense framework for flooding-based DDoS attacks". Thesis, Kingston, Ont. : [s.n.], 2007. http://hdl.handle.net/1974/653.
Texto completoKortekaas, Stella. "Tsunamis, storms and earthquakes : distinguishing coastal flooding events". Thesis, Coventry University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491429.
Texto completoGarcia, Quijada Marylena. "Optimization of a CO2 flood design Wesson Field - west Texas". Texas A&M University, 2005. http://hdl.handle.net/1969.1/4138.
Texto completoPapathoma, Maria. "Tsunami vulnerability assessment using a geographical information system with special reference to Greece". Thesis, Coventry University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251854.
Texto completoSpooner, Jake. "Flow structures in a compound meandering channel with flat and natural bedforms". Thesis, Loughborough University, 2001. https://dspace.lboro.ac.uk/2134/6825.
Texto completoAsal, Fahmy F. "Airborne remote sensing for landscape modelling". Thesis, University of Nottingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275311.
Texto completoAnderson, Thomas J. "Development of a SIMSMART based, progressive flooding design tool". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA361627.
Texto completo"March 1999". Thesis advisor(s): Charles N. Calvano, Fotis Papoulias. Includes bibliographical references (p. 141). Also available online.
Ehsan, Saqib. "Evaluation of life safety risks related to severe flooding". Stuttgart Inst. für Wasserbau, 2009. http://d-nb.info/996795944/34.
Texto completoBadaru, Akintunde A. "Flooding mitigation in a microjet based PEM fuel cell". Tallahassee, Florida : Florida State University, 2010. http://etd.lib.fsu.edu/theses/available/etd-01272010-133631/.
Texto completoAdvisor: Anjaneyulu Krothapalli, Florida State University, College of Engineering, Dept. of Mechanical Engineering. Title and description from dissertation home page (viewed on July 15, 2010). Document formatted into pages; contains x, 95 pages. Includes bibliographical references.