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Dissertations / Theses on the topic 'Hydrological models'

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Published: 4 June 2021

Last updated: 25 May 2024

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1

Mölders, Nicole. "Concepts for coupling hydrological and meteorological models." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-215597.

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Earth system modeling, climate modeling, water resource research as well as integrated modeling (e.g., climate impact studies) require the coupling of hydrological and meteorological models. The paper presents recent concepts on such a coupling. It points out the difficulties to be solved, and provides a brief overview on recently realized couplings. Furthermore, a concept of a hydrometeorological module to couple hydrological and meteorological models is introduced<br>Wasserresourcenforschung, Erdsystem- und Klimamodellierung sowie integrierte Modellierung (z.B. Klimafolgenforschung) erforder

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2

Mölders, Nicole. "Concepts for coupling hydrological and meteorological models." Wissenschaftliche Mitteilungen des Leipziger Instituts für Meteorologie ; 22 = Meteorologische Arbeiten aus Leipzig ; 6 (2001), S. 1-15, 2001. https://ul.qucosa.de/id/qucosa%3A14140.

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Earth system modeling, climate modeling, water resource research as well as integrated modeling (e.g., climate impact studies) require the coupling of hydrological and meteorological models. The paper presents recent concepts on such a coupling. It points out the difficulties to be solved, and provides a brief overview on recently realized couplings. Furthermore, a concept of a hydrometeorological module to couple hydrological and meteorological models is introduced.<br>Wasserresourcenforschung, Erdsystem- und Klimamodellierung sowie integrierte Modellierung (z.B. Klimafolgenforschung) erforde

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3

Eeles, Charles William Owen. "Parameter optimization of conceptual hydrological models." Thesis, Open University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261674.

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4

Reusser, Dominik, Theresa Blume, Bettina Schaefli, and Erwin Zehe. "Analysing the temporal dynamics of model performance for hydrological models." Universität Potsdam, 2009. http://opus.kobv.de/ubp/volltexte/2010/4511/.

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The temporal dynamics of hydrological model performance gives insights into errors that cannot be obtained from global performance measures assigning a single number to the fit of a simulated time series to an observed reference series. These errors can include errors in data, model parameters, or model structure. Dealing with a set of performance measures evaluated at a high temporal resolution implies analyzing and interpreting a high dimensional data set. This paper presents a method for such a hydrological model performance assessment with a high temporal resolution and illustrates its app

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5

Qeadan, Fares. "Bivariate distribution of n iid exponential random variables KPQ-EXP /." abstract and full text PDF (UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1456407.

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6

Bittinger, Scott Gregory. "A Hydrologic Analysis of Government Island, Oregon." PDXScholar, 1995. https://pdxscholar.library.pdx.edu/open_access_etds/4851.

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Government Island, located in the Columbia River approximately 16 km (10 mi) upstream of the confluence with the Willamette River, is a wetland mitigation site prompted by expansion of the southwest quadrant of Portland International Airport. The purpose of the study is to predict water levels in two enclosed lowland areas, Jewit Lake and Southeast Pond, based on levels of the Columbia River, precipitation, and evapotranspiration. Mitigation is intended to convert 1.13 km2 (237 acres) of seasonally flooded wetland to 1.27 km2 (267 acres) of semi-permanently flooded wetland and seasonally flood

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7

Kim, JongKwan. "The Calibration and Uncertainty Evaluation of Spatially Distributed Hydrological." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/1437.

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In the last decade, spatially distributed hydrological models have rapidly advanced with the widespread availability of remotely sensed and geomatics information. Particularly, the areas of calibration and evaluation of spatially distributed hydrological models have been attempted in order to reduce the differences between models and improve realism through various techniques. Despite steady efforts, the study of calibrations and evaluations for spatially distributed hydrological models is still a largely unexplored field, in that there is no research in terms of the interactions of snow and w

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8

Thiemann, Michael, and Michael Thiemann. "Uncertainty estimation of hydrological models using bayesian inference methods." Thesis, The University of Arizona, 1999. http://hdl.handle.net/10150/626808.

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Intensive investigations of hydrologic model calibration during the last two decades have resulted in a reasonably good understanding of the issues involved in the process of estimating the numerous parameters employed by these codes. Nevertheless, these classical "batch" calibration approaches require substantial amounts of data to be stable, and the subsequent model forecasts do not usually represent the various imbedded uncertainties. Especially in the light of thousands of uncalibrated catchments in need of model simulations for streamflow predictions, a parameter estimation ap

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9

Decker, Mark Ryan. "IMPROVING THE HYDROLOGICAL CYCLE IN LAND SURFACE CLIMATE MODELS." Diss., The University of Arizona, 2010. http://hdl.handle.net/10150/195627.

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The hydrological components of land surface climate models have increased greatly in complexity over the past decade, from simple bucket models to multilayer models including separate and distinct soil water and ground water components. While the parameterizations included in these models have also increased in complexity, the fundamental ability of the numerical solution for the vertical movement of soil water in the Community Land Model (or other land surface models) to simply maintain the hydrostatic solution of the original partial differential equation has yet to be determined.Also, the a

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10

Pasetto, Damiano. "Reduced Order Models and Data Assimilation for Hydrological Applications." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3423054.

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The present thesis work concerns the study of Monte Carlo (MC)-based data assimilation methods applied to the numerical simulation of complex hydrological models with stochastic parameters. The ensemble Kalman filter (EnKF) and the sequential importance resampling (SIR) are implemented in the CATHY model, a solver that couples the subsurface water flow in porous media with the surface water dynamics. A detailed comparison of the results given by the two filters in a synthetic test case highlights the main benefits and drawbacks associated to these techniques. A modification of the SIR update i

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11

Abdulla, Fayez Ahmad. "Regionalization of a macroscale hydrological model /." Thesis, Connect to this title online; UW restricted, 1995. http://hdl.handle.net/1773/10151.

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12

Picco, Robert C. "A comparative study of flow forecasting in the Humber River Basin using a deterministic hydrologic model and a dynamic regression statistical model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ34219.pdf.

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13

Fu, Youtong. "Comparison of two hydrological models on a Virginia Piedmont watershed." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-05042010-020347/.

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14

Tetsoane, S. T., Y. E. Woyessa, and W. A. Welderufael. "Evaluation of the SWAT model in simulating catchment hydrology : case study of the Modder River Basin." Interim : Interdisciplinary Journal, Vol 13, Issue 3: Central University of Technology Free State Bloemfontein, 2013. http://hdl.handle.net/11462/313.

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Published Article<br>This paper presents the set-up and the performance of the SWAT model in the Modder River Basin. Two techniques widely used, namely quantitative statistics and graphical techniques, in evaluating hydrological models were used to evaluate the performance of SWAT model. Three quantitative statistics used were, Nash-Sutcliffe efficiency (NSE), present bias (PBIAS), and ratio of the mean square error to the standard deviation of measured data (RSR). The performance of the model was compared with the recommended statistical performance ratings for monthly time step data. The mod

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15

Hu, Xiaogang. "A hydrological analysis of icing formation /." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=42054.

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Icings are common hydrological phenomena in arctic and subarctic regions. Their bodies are made up of the accumulation of ice layers formed by the freezing of overflow water during the winter season. Icing formation is a process involving a complex system of thermodynamics and hydrodynamics. In this thesis, the formation mechanics of river icings and ground icings are studied in terms of both thermal and hydrological processes.<br>The energy exchange systems during icing layer formation involve two ice water interfaces and some intra-layer water flow. Using energy balance analysis, this resear

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16

Li, Yanqiu, and 李艳秋. "Monitoring, analyzing and modeling hydrological processes over a headwater catchment in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43085349.

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17

Thyer, Mark Andrew. "Modelling long-term persistence in hydrological time series." Diss., 2000, 2000. http://www.newcastle.edu.au/services/library/adt/public/adt-NNCU20020531.035349/index.html.

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18

Wealands, Stephen Russell. "Quantitative methods for hydrological spatial field comparison /." Connect to thesis, 2006. http://eprints.unimelb.edu.au/archive/00002722.

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19

Kraft, Philipp [Verfasser]. "A hydrological programming language extension for integrated catchment models / Philipp Kraft." Gießen : Universitätsbibliothek, 2012. http://d-nb.info/1064024254/34.

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20

Rogers, C. "Further development of distributed hydrological models with reference to the Institute of Hydrology distributed model." Thesis, University of Bristol, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373726.

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21

Furman, Alexander. "Steps towards the implementation of ERT for monitoring of transient hydrological processes." Diss., The University of Arizona, 2003. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_2003_271_sip1_w.pdf&type=application/pdf.

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22

Sorribas, Mino Viana. "Simulação da dinâmica de carbono em bacias hidrográficas." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/49161.

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Na maior parte dos ecossistemas aquáticos a respiração excede a produção primária bruta autóctone, acarretando uma produção líquida de ecossistema negativa. Estudos recentes atribuem essa condição a processos de degradação de matéria orgânica alóctone, portanto o ciclo do carbono em corpos de água interiores deve estar pareado com o aporte de carbono orgânico originado na bacia hidrográfica. Este trabalho contribui para a melhor compreensão dos processos atuantes no ciclo de carbono em bacias hidrográficas, por meio de monitoramento de dados de campo, desenvolvimento e aplicação de modelagem m

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23

Samper, Calvete F. Javier(Francisco Javier) 1958. "Statistical methods of analyzing hydrochemical, isotopic, and hydrological data from regional aquifers." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/191115.

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This dissertation is concerned with the development of mathematical aquifer models that combine hydrological, hydrochemical and isotopic data. One prerequisite for the construction of such models is that prior information about the variables and parameters be quantified in space and time by appropriate statistical methods. Various techniques using multivariate statistical data analyses and geostatistical methods are examined in this context. The available geostatistical methods are extended to deal with the problem at hand. In particular, a three-dimensional interactive geostatistical package

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24

VanWerkhoven, Curtis. "Performance assessment of short-term hydrological forecasts in small, coastal watersheds with complex terrain using fully-distributed hydrological and meteorological models." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/54586.

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Accurate and reliable short-term streamflow forecast systems are beneficial for non-storage hydroelectric operators to minimize costs associated with foregoing electricity market opportunities because of held reserves due to forecast error and those making decisions based on flood risks. Accurate real-time forecasting on hourly and daily intervals with lead times less than three days remains a challenge in small, coastal, mountainous watersheds of the Pacific Northwest. This thesis examines a real-time streamflow forecasting system in which a physically-based, fully-distributed coupled MIKE SH

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25

Iles, Carley Elizabeth. "Effect of volcanic eruptions on the hydrological cycle." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/9918.

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Large explosive volcanic eruptions inject SO2 into the stratosphere where it is oxidised to sulphate aerosols which reflect sunlight. This causes a reduction in global temperature and precipitation lasting a few years. Here the robust features of this precipitation response are investigated, using superposed epoch analysis that combines results from multiple eruptions. The precipitation response is first analysed using the climate model HadCM3 compared to two gauge based land precipitation datasets. The analysis is then extended to a large suite of state-of-the art climate models participating

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26

Taschner, Stefan. "Flood modelling in the Ammer watershed using coupled meteorological and hydrological models." Diss., [S.l. : s.n.], 2003. http://edoc.ub.uni-muenchen.de/archive/00002116/.

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27

Jasper, Karsten. "Hydrological modelling of alpine river catchments using output variables from atmospheric models." Zürich : Verlag Institut für Atmosphäre und Klima ETH Zürich, 2005. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=14385.

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28

Nguyen, Van Tam [Verfasser]. "Improving the representation of hydrological connectivity in conceptual models / Van Tam Nguyen." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2020. http://d-nb.info/1206685891/34.

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29

Perrone, Jim T. "Hydrologic modeling of an agricultural watershed in Quebec using AGNPS." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ29763.pdf.

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30

Stewart, Adam Gillis. "Hydrological modeling to support simulation of an ozone exceedance episode over Texas." Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/19075.

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31

Susilo, Gatot Eko. "A comparison of distributed hydrological models for the Boreal forest of northern Manitoba." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0019/MQ53232.pdf.

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32

Kellner, Juliane [Verfasser]. "Coupling agricultural plant growth and hydrological models for climate change projections / Juliane Kellner." Gießen : Universitätsbibliothek, 2019. http://d-nb.info/1196525773/34.

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33

Schumacher, Maike [Verfasser]. "Methods for assimilating remotely-sensed water storage changes into hydrological models / Maike Schumacher." Bonn : Universitäts- und Landesbibliothek Bonn, 2016. http://d-nb.info/1118720334/34.

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34

Dickson, Andrew. "The hydrology of landfill and land management." Thesis, University of Strathclyde, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324894.

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35

Lewarne, Mireille. "Setting up ArcSWAT hydrological model for the Verlorenvlei catchment." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/1806.

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Thesis (MA (Geography and Environmental Studies))--University of Stellenbosch, 2009.<br>Agricultural production has become vital to the Sandveld, of which Verlorenvlei is a part, in terms of both economic growth and food security. It is well documented as an area under threat of severe natural resource depletion if it is not well managed with sustainability in mind. Agricultural production, other human-driven development and the survival of the local ecosystems compete for the limited water resources. This study uses the SWAT hydrological model to simulate the transport of water through t

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36

Vilanculos, Agostinho Chuquelane Fadulo. "The use of hydrological information to improve flood management-integrated hydrological modelling of the Zambezi River basin." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1018915.

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The recent high profile flooding events – that have occurred in many parts of the world – have drawn attention to the need for new and improved methods for water resources assessment, water management and the modelling of large-scale flooding events. In the case of the Zambezi Basin, a review of the 2000 and 2001 floods identified the need for tools to enable hydrologists to assess and predict daily stream flow and identify the areas that are likely to be affected by flooding. As a way to address the problem, a methodology was set up to derive catchment soil moisture statistics from Earth Obse

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37

Lee, Haksu. "Development and performance analysis of a physically based hydrological model incorporating the effects of subgrid heterogeneity." University of Western Australia. School of Environmental Systems Engineering, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0129.

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[Truncated abstract] The balance equations of mass and momentum, defined at the scale of what has been defined as a Representative Elementary Watershed (REW) has been proposed by Reggiani et al. (1998, 1999). While it has been acknowledged that the REW approach and the associated balance equations can be the basis for the development of a new generation of distributed physically based hydrological models, four building blocks have been identified as necessary to transform the REW approach into, at the very least least, a workable modelling framework beyond the theoretical achievements. These a

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38

Chen, Mi. "Using an integrated linkage method to predict hydrological responses of a mixed land use watershed." Connect to this title online, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu.

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Thesis (Ph. D.)--Ohio State University, 2003.<br>Title from first page of PDF file. Document formatted into pages; contains xvi, 378 p.; also includes graphics (some col.). Includes bibliographical references (p. 229-252). Available online via OhioLINK's ETD Center

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39

Li, Yanqiu. "Monitoring, analyzing and modeling hydrological processes over a headwater catchment in Hong Kong." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43085349.

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40

Xu, Zhongyan. "A Complex, Linked Watershed-Reservoir Hydrology and Water Quality Model Application for the Occoquan Watershed, Virginia." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/37186.

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The Occoquan Watershed is a 1515 square kilometer basin located in northern Virginia and contains two principal waterbodies: the Occoquan Reservoir and Lake Manassas. Both waterbodies are principal drinking water supplies for local residents and experience eutrophication and summer algae growth. They are continuously threatened by new development from the rapid expansion of the greater Washington D.C. region. The Occoquan model, consisting of six HSPF and two CE-QUAL-W2 submodels linked in a complex way, has been developed and applied to simulate hydrology and water quality activities in the t

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41

Younger, Philip M. "High resolution numerical weather prediction, distributed hydrological models and uncertainty - towards a unified approach." Thesis, Lancaster University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.507280.

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42

Cabral, Samuellson Lopes. "Time interval of maximum predictability in coupled climate and hydrological models for reservoir management." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12795.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>This work seeks to integrate climatic, hydrologic, and reservoir operation models in order to optimize available water volume in the Brazilian Northeast. The global ECHAM 4.5 climate model was used to feed the RAMS regional climate model for the Alto Jaguaribe hydrographic basin. Resulting precipitation values were calibrated by the probability density function (PDF) correction of simulated data compared with average daily precipitation data using the Thiessen method for the period 1979-2009. The Heidke Skill Score (HSS) was used t

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43

Das, Tapash. "The impact of spatial variability of precipitation on the predictive uncertainty of hydrological models." [S.l. : s.n.], 2006. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-28827.

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44

Pradhan, Nawa Raj. "Development of a topographic disaggregation method for transferring hydrological models across scales and regions." 京都大学 (Kyoto University), 2005. http://hdl.handle.net/2433/144538.

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45

Xu, Qian, and 徐倩. "Field investigation and numerical modeling of hydrological processes at a hillslope catchment in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/196019.

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Motivated by mitigating flash flood-related damages, this study conducts a comprehensive exploration of hillslope hydrological processes, which includes data collection and experimental measurement, analysis of the rainfall-runoff features and modeling hydrological processes. To study the temporal and spatial variation of TF (throughfall), rainfall data recorded at eight rain gauges near and under a 6-m-tall multiple-layer deciduous tree (Macaranga tanarius) are analyzed. This study reveals that the leaf convergence and divergence can significantly influence TF temporal and spatial variations.

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46

Gollamudi, Apurva. "Hydrological and water quality modeling of agricultural fields in Quebec." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=98710.

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Two tile-drained agricultural fields in the Pike River watershed of Southern Quebec were instrumented in October 2000 to monitor phosphorus and nitrate concentrations in surface runoff and tile drainage. Data collected from these sites were used as the primary input to test a GIS-based hydrological and water quality simulation model (ArcView SWAT2000) at the field scale. Surface runoff, subsurface flow, sediment yield, nitrate loads and phosphorus loads were the principal parameters evaluated by the model. The SWAT model was calibrated using data collected in the year 2002 while 2003 data was

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47

Shrestha, Rajesh Raj. "River flood prediction systems : towards complementary hydrodynamic, hydrological and data driven models with uncertainty analysis /." Karlsruhe : Institut für Wasser und Gewässerentwicklung Universität Karlsruhe (TH), 2005. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=014799092&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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48

Tumbo, Madaka Harold. "Uncertainties in modelling hydrological responses in gauged and ungauged sub‐basins." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1018568.

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The world is undergoing rapid changes and the future is uncertain. The changes are related to modification of the landscape due to human activities, such as large and small scale irrigation, afforestation and changes to the climate system. Understanding and predicting hydrologic change is one of the challenges facing hydrologists today. Part of this understanding can be developed from observed data, however, there often too few observations and those that are available are frequently affected by uncertainties. Hydrological models have become essential tools for understanding historical variati

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49

Rizzo, Clarissa. "Comparison between Global Hydrological Models and observations: trend and drought analysis in England and Wales." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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Global hydrological models (GHMs) have been widely used in scientific studies to describe the hydrological cycle at large scale. Many improvements have been made to these models, e.g., to include human influences, such as reservoir operations, water uses and land cover changes. Given these enhancements, the question is now how well these models can reflect trends and drought characteristics found in streamflow observations in relatively small catchments, where flow might be altered by different (local) human influences. To answer this question, this study compares discharge simulated data fr

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50

Dancel, Christopher Marlon. "An analysis of the hydrological cycle and poleward heat transports simulated by two climate models." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/9783.

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Heat and Freshwater transport by the oceans and atmosphere are an integral part of the climate system, aiming to cool the Tropics and warm the Extra-Tropics. General Circulation Models (GCMs) are used to simulate the climate system, however a key weakness to them is the uncertainty associated with model predictions. One component of this uncertainty is due to the model structural bias associated with the choice of ocean model vertical coordinate type, which can have substantial feedback within a coupled ocean-atmosphere model. This thesis aims to investigate the Heat and Freshwater transport i

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