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Dissertations / Theses on the topic 'Hydrologic models'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Boyle, Douglas Patrick. "Multicriteria calibration of hydrologic models." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/290657.

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The level of spatial and vertical detail of important hydrologic processes within a watershed that needs to be represented by a conceptual rainfall-runoff (CRR) model in order to accurately simulate the streamflow is not well understood. The paucity of high-resolution hydrologic information in the past guided the direction of model development to more accurately represent processes directly related to the vertical movement of moisture within the watershed rather than the spatial variability of these processes. As a result, many of the CRR models currently available are so complex (vertically),

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2

Thoms, R. Brad. "Simulating fully coupled overland and variably saturated subsurface flow using MODFLOW /." Full text open access at:, 2003. http://content.ohsu.edu/u?/etd,16.

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3

Loaiza, Usuga Juan Carlos. "Soil hydrology in the Ribera Salada Catchment (Catalan PrePyrenees): application of hydrologic models for the estimation of hydrologic transitional regimes." Doctoral thesis, Universitat de Lleida, 2007. http://hdl.handle.net/10803/8235.

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El principal objectiu d'aquesta investigació és estudiar la dinàmica hidrològica d'una conca Mediterrània<br/>afectada per canvis d'ús del sòl, mitjançant el monitoreig d'aquest i de l'aigua superficial. Aquest<br/>objectiu s'ha treballat a partir mesuraments de components del balanç hídric pels diferents tipus de<br/>cobertura i sòl, amb règims d'humitat i temperatura de transició.<br/>Aquest estudi s'ha realitzat a la conca de la Ribera Salada (Prepirineu meridional Català, al NE<br/>d'Espanya), amb una extensió de 222.5 km2, i un interval altitudinal de 420 a 2385 m i predomini de<br/>pende

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4

Shamir, Eylon. "Use of streamflow indices in hydrologic modeling." Diss., The University of Arizona, 2003. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_2003_396_sip1_w.pdf&type=application/pdf.

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5

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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6

Wang, Ying. "Uncertainty analysis of geomorphologic instantaneous unit hydrograph for hydrosystems reliability evaluation /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202005%20WANG.

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7

Miller, Scott N. "Scale effects of geometric complexity, misclassification error and land cover change in distributed hydrologic modeling." Diss., The University of Arizona, 2002. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_2002_216_sip1_w.pdf&type=application/pdf.

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8

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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9

Choi, Chi Chi. "Coupled Hydrologic And Hydraulic Models And Applications." Thesis, University of Iowa, 2013. https://ir.uiowa.edu/etd/4955.

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10

Cherkauer, Keith Aric. "Understanding the hydrologic effects of frozen soil /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/10164.

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11

Keel, Brian Jennings. "The effect of dataset quality and resolution on the application of the land surface hydrologic model TOPLATS to the middle swamp watershed." Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/20815.

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12

Schenk, Judith A. "Criteria for Evaluating Model Deficiency for Groundwater Models and the Effects of Eliminating Deficient Models on Multi Model Analysis Using AICc, KIC, AIC, and BIC." Thesis, Colorado School of Mines, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10266759.

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<p> Multi-model analysis (MMA) considers multiple model interpretations of a system. MMA provides a more realistic assessment of uncertainty associated with model predictions because both uncertainty of individual models and uncertainty associated with different model structures are considered. Models are evaluated for the strength of evidence that they represent an unknown system using different Information Criteria (IC) equations. IC equations are designed to assess the likelihood that a model in a set of models represents the true but unknown system. IC equations do not include a component

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13

DeChant, Caleb Matthew. "Hydrologic Data Assimilation: State Estimation and Model Calibration." PDXScholar, 2010. https://pdxscholar.library.pdx.edu/open_access_etds/172.

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This thesis is a combination of two separate studies which examine hydrologic data assimilation techniques: 1) to determine the applicability of assimilation of remotely sensed data in operational models and 2) to compare the effectiveness of assimilation and other calibration techniques. The first study examines the ability of Data Assimilation of remotely sensed microwave radiance data to improve snow water equivalent prediction, and ultimately operational streamflow forecasts. Operational streamflow forecasts in the National Weather Service River Forecast Center are produced with a coupled

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14

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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15

Findley, Stephen Holt. "Hydrologic modeling as a decision-making tool in wildlife management." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-11242009-020314/.

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16

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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17

Hinnell, Andrew Charles. "MERGING MEASUREMENT AND MODELING FOR MORE EFFICIENT HYDROLOGIC ANALYSIS." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/196068.

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Models used as part of quantitative studies of vadose zone processes are becoming increasingly complex. However, even the most elaborate models can not capture the complex interactions between spatially distributed water, plant, and atmospheric components of the unsaturated flow system. These processes will always need to be approximated by relatively simple mathematical expressions with limited parameterization. Because of this, there is an ever increasing awareness among hydrologists of the need to describe and quantify these uncertainties to better understand the utility of model predict

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18

Wazny, David G., and David G. Wazny. "A New Approach For Linking Hydrologic Models With GIS." Thesis, The University of Arizona, 1996. http://hdl.handle.net/10150/626786.

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A method by which a Geographic Information System can be integrated with a hydrologic model in a seamless manner is presented. The three dimensional finite difference ground-water flow model, MODFLOW, is used as an example to show GIS model integrations using Common Object Interfaces (COi). The model is integrated with the GIS using a set of required steps needed to identify the nature ofMODFLOW's data requirements and computational structure. This allows alternate methods to be developed that can obtain data from a Geographic Information System or from a Graphic User Interface. R

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19

Sorooshian, Soroosh, and Vijai Kumar Gupta. "Improving the Reliability of Compartmental Models: Case of Conceptual Hydrologic Rainfall-Runoff Models." Department of Hydrology and Water Resources, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/614011.

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20

Sharma, Maneesh. "Assessing effect of resolution and rainfall at plot and watershed scales in hydrologic modeling." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1402172481&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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21

Lamont, Sam. "Curve number dependence on basic hydrologic variables governing runoff." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4797.

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Thesis (Ph. D.)--West Virginia University, 2006.<br>Title from document title page. Document formatted into pages; contains viii, 95, 55 p. : ill. (some col.), maps (some col.). Includes abstract. Includes bibliographical references.

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22

Krewson, Corey Nicholas. "Near Real-Time Flood Forecasts from Global Hydrologic Forecasting Models." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/7476.

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This research assesses possible methods for extending the Streamflow Prediction Tool from a streamflow forecasting model to a flood extent forecasting model. This new flood extent forecasting model would allow valuable and easy to understand information be disseminated in a timely manner for flood preparation and flood response. The Height Above Nearest Drainage (HAND) method and AutoRoute method were considered for flood extent models but the HAND was the better option for its simple and quick computation as well as its viability on a global scale. Due to the importance of Digital Elevation M

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23

Dahal, Prasanna. "Advancing the Implementation of Hydrologic Models as Web-Based Applications." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/6932.

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Deeper understanding of relationships between flow in river sand various hydrologic elements such as rainfall, land use, and soil type is imperative to solve water related problems like droughts and floods. Advanced computer models are becoming essential in helping us understand such relationships. However, preparing such models requires huge investment of time and resources, much of which are concentrated on acquisition and curation of data. This work introduces agree and open source web Application (web App) that provides researchers with simplified access to hydrological data and modeling f

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24

Mattern, David Ellis 1957. "Hydrologic simulation of pinyon-juniper woodlands in Arizona." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277116.

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A physically-based, user friendly, hydrologic computer simulation model was developed for pinyon-juniper woodland watersheds. The data requirements are minimum, requiring vegetation conditions, basic soil survey information, and daily values for precipitation and temperature. The model predicts runoff from cleared and uncleared watersheds by simulating hydrologic processes on a daily basis. The model was tested with data from small pinyon-juniper watersheds in central Arizona. A crack-forming vertisol was the dominant soil type, and a special feature for addressing its effects on runoff was in

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25

Adam, Jennifer C. "Understanding the causes of streamflow changes in the Eurasian Arctic /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/10135.

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26

Cluff, Tyler A. "Waste cell thermal-hydrologic modeling and dynamic subsidence estimation." abstract and full text PDF (free order & download UNR users only), 2007. 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:1446444.

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27

Keller, John. "Accurate cylindrical-coordinate numerical models for the analysis of hydrologic tests /." Available to subscribers only, 2009. http://proquest.umi.com/pqdweb?did=1879009221&sid=1&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Thesis (Ph. D.)--Southern Illinois University Carbondale, 2009.<br>"Environmental Resources and Policy." Keywords: Groundwater modeling, Hydrogeology, Well hydraulics, Hydrologic tests. Includes bibliographical references (p. 67-75). Also available online.

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28

Keller, John Edward. "Accurate Cylindrical-Coordinate Numerical Models For The Analysis Of Hydrologic Tests." OpenSIUC, 2009. https://opensiuc.lib.siu.edu/dissertations/57.

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Analytical solutions to well hydraulic problems have restrictive assumptions that often do not match real world conditions. Although numerical models more closely match reality, they either ran too slowly to be practical or lacked accuracy because of coarse grid spacing and large time steps. Advances in computer power over the last few decades now allow for accurate, fast numerical models that handle complex flow systems. The purpose of this dissertation was to develop flexible and accurate numerical modeling codes for the simulation of hydrologic tests. One of these numerical modeling cod

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29

Lee, Hyung-Jin. "Regional forecasting of hydrologic parameters." Ohio : Ohio University, 1996. http://www.ohiolink.edu/etd/view.cgi?ohiou1178223662.

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30

Tian, Ying. "Macro-scale flow modelling of the Mekong River with spatial variance." View the Table of Contents & Abstract, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38027781.

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31

Smith, Arlynn W. "Light confinement and hydrodynamic modeling of semiconductor structures by volumetric methods." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/13407.

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32

Jamshidialashti, Reza. "Dynamics of sediment yields using hydrologic models in managed catchments, eastern Australia." Thesis, The University of Sydney, 2013. http://hdl.handle.net/2123/10198.

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To potentially better identify variability in sediment yields under a range of forest management and climatic scenarios at the catchment scale, alternative approaches by modelling sediment yields were utilised in this research using: (1) a spatially distributed calibrated algorithm of soil loss coupled with sediment delivery ratio (SDR) functions; (2) linear regression models between sampling suspended sediment concentrations and corresponding instantaneous variables of streamflow and in-stream turbidity; and (3) a physically-based SWAT model. Four catchments in Kangaroo River State forest, no

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33

Ryan, Chris J. "Development of GIS techniques for automated topographic and hydrologic analysis." School of Civil, Mining & Environmental Engineering - Faculty of Engineering, 2004. http://ro.uow.edu.au/theses/187.

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This thesis describes a research project which focuses on improving the accuracy, and extending the capabilities of topographic and hydrologic analysis algorithms. These algorithms can be applied within GIS frameworks for parameterisations of hydrologic models. In this research project, several new algorithms were developed to overcome the observed deficiencies in current algorithms for GIS based analysis of raster Digital Elevation Models (DEMs). These algorithms were used to develop a software product CatchmentSIM which has been made freely available to researchers and practitioners. Catchme

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34

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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35

Thoe, Wai. "Integrated river management of the East River field studies, hydrologic and water quality modelling /." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38997575.

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36

Yapo, Patrice O., Hoshin Vijai Gupta, and Soroosh Sorooshian. "A multiobjective global optimization algorithm with application to calibration of hydrologic models." Department of Hydrology and Water Resources, University of Arizona (Tucson, AZ), 1997. http://hdl.handle.net/10150/615704.

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This report presents a new multiple objective optimization algorithm that is capable of solving for the entire Pareto set in one single optimization run. The multi-objective complex evolution (MOCOM-UA) procedure is based on the following three concepts: (1) population, (2) rank-based selection, and (3) competitive evolution. In the MOCOM-UA algorithm, a population of candidate solutions is evolved in the feasible space to search for the Pareto set. Ranking of the population is accomplished through Pareto ranking, where all points are successively placed on different Pareto fronts. Compe

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37

Duan, Qingyun. "A global optimization strategy for efficient and effective calibration of hydrologic models." Diss., The University of Arizona, 1991. http://hdl.handle.net/10150/185655.

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The successful application of a CRR model depends on how well we handle each phase of model calibration. Despite the popularity of CRR models, reports in the literature indicate that it is typically difficult, if not impossible, to obtain a unique set of optimal parameters for a CRR model. Unless the best set of parameters associated with a given calibration data set can be found, it is impossible to determine how sensitive the parameter estimates (and hence the model forecasts) are to factors such as input and output data error, model error, quantity and quality of data, objective function us

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38

Misirli, Baysal Feyzan. "Improving efficiency and effectiveness of Bayesian recursive parameter estimation for hydrologic models." Diss., The University of Arizona, 2003. http://hdl.handle.net/10150/280488.

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There are several sources of uncertainties in hydrologic modeling studies. Conventional deterministic modeling techniques typically ignore most of these uncertainties. However, there has been a growing need for better quantification of the accuracy and precision of hydrologic model predictions. Bayesian Recursive Estimation (BaRE) is an algorithm being developed towards considering these uncertainties for parameter estimation and prediction within an operational setting. This dissertation work evaluated and improved the current version of the algorithm. The methodology was improved using a pro

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39

Yapo, Patrice Ogou 1967. "A multiobjective global optimization algorithm with application to calibration of hydrologic models." Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/290649.

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This dissertation presents a new multiple objective optimization algorithm that is capable of solving for the entire Pareto set in one single optimization run. The multi-objective complex evolution (MOCOM-UA) procedure is based on the following three concepts: (1) population, (2) rank-based selection, and (3) competitive evolution. In the MOCOM-UA algorithm, a population of candidate solutions is evolved in the feasible space to search for the Pareto set. Ranking of the population is accomplished through Pareto Ranking, where all points are successively placed on different Pareto fronts. Compe

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40

Khajehei, Sepideh. "A Multivariate Modeling Approach for Generating Ensemble Climatology Forcing for Hydrologic Applications." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2403.

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Reliability and accuracy of the forcing data plays a vital role in the Hydrological Streamflow Prediction. Reliability of the forcing data leads to accurate predictions and ultimately reduction of uncertainty. Currently, Numerical Weather Prediction (NWP) models are developing ensemble forecasts for various temporal and spatial scales. However, it is proven that the raw products of the NWP models may be biased at the basin scale; unlike model grid scale, depending on the size of the catchment. Due to the large space-time variability of precipitation, bias-correcting the ensemble forecasts has

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41

Bailey, Mark A(Mark Alexander) 1970. "Improved techniques for the treatment of uncertainty in physically-based models of catchment water balance." Monash University, Dept. of Civil Engineering, 2001. http://arrow.monash.edu.au/hdl/1959.1/8271.

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42

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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43

Zarekarizi, Mahkameh. "Ensemble Data Assimilation for Flood Forecasting in Operational Settings: from Noah-MP to WRF-Hydro and the National Water Model." PDXScholar, 2018. https://pdxscholar.library.pdx.edu/open_access_etds/4651.

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The National Water Center (NWC) started using the National Water Model (NWM) in 2016. The NWM delivers state-of-the-science hydrologic forecasts in the nation. The NWM aims at operationally forecasting streamflow in more than 2,000,000 river reaches while currently river forecasts are issued for 4,000. The NWM is a specific configuration of the community WRF-Hydro Land Surface Model (LSM) which has recently been introduced to the hydrologic community. The WRF-Hydro model, itself, uses another newly-developed LSM called Noah-MP as the core hydrologic model. In WRF-Hydro, Noah-MP results (such a

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44

Romero, David R. "Hydrologic modelling on the Saint Esprit watershed." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ64442.pdf.

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45

Gunduz, Orhan. "Coupled flow and contaminant transport modeling in large watersheds." Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-04092004-160146/unrestricted/gunduz%5Forhan%5F200405%5Fphd.pdf.

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Thesis (Ph. D.)--Civil & Environmental Engineering, Georgia Institute of Technology, 2004.<br>Dr. Paul Work, Committee Member ; Dr. Philip Roberts, Committee Member ; Dr. Mustafa Aral, Committee Chair ; Dr. Terry Sturm, Committee Member ; Dr. Turgay Uzer, Committee Member. Vita. Includes bibliographical references (leaves 442-466).

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46

Schell, George Stewart. "The application of radar measured rainfall to hydrologic modelling /." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59250.

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The capability of radar measured rainfall to enhance the simulation of storm hydrographs was assessed. Six rainfall events which occurred in 1986 and 1987 over an 8.13 km$ sp2$ agricultural watershed in south-western Quebec were used in model simulations. Radar measured rainfall rates were calibrated using measurements from a single tipping-bucket raingauge located at the study site.<br>A deterministic, event-based model, HYMO, was used to simulate streamflow using radar and gauge measured rainfall. The model utilized two rainfall abstraction techniques, i.e. the SCS Curve Number method and th

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47

Hession, W. Cully. "Pre-mining hydrologic analysis using modeling and geographic information system technology." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/45154.

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Surface mining activities are known to affect the quantity and quality of stormwater runoff. This can create flooding and water quality degradation of receiving streams. The Surface Mining Control and Reclamation Act (SMCRA) of 1977 provides regulations intended to produce environmentally acceptable results from mining operations. The SMCRA requires that extensive pre-mining monitoring be carried out to assist in determining the probable hydrologic consequences (PHC) of mining. The Finite Element Storm Hydrograph Model (FESHM) was used to demonstrate the utility of hydrologic modeling concepts

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48

Thoe, Wai, and 陶煒. "Integrated river management of the East River: field studies, hydrologic and water quality modelling." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38997575.

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49

Paudel, Murari. "An Examination of Distributed Hydrologic Modeling Methods as Compared with Traditional Lumped Parameter Approaches." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2219.

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Empirically based lumped hydrologic models have an extensive track record of use where as physically based, multi-dimensional distributed models are evolving for various engineering applications. Despite the availability of high resolution data, better computational resources and robust numerical methods, the usage of distributed models is still limited. The purpose of this research is to establish the credibility and usability of distributed hydrologic modeling tools of the United States Army Corps of Engineers (USACE) in order to promote the extended use of distributed models. Two of the USA

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50

Fahy, Benjamin. "Evaluating the Impact and Distribution of Stormwater Green Infrastructure on Watershed Outflow." PDXScholar, 2019. https://pdxscholar.library.pdx.edu/open_access_etds/4732.

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Green Stormwater Infrastructure (GSI) has become a popular method for flood mitigation as it can prevent runoff from entering streams during heavy precipitation. In this study, a recently developed neighborhood in Gresham, Oregon hosts a comparison of various GSI projects on runoff dynamics. The study site includes dispersed GSI (rain gardens, retention chambers, green streets) and centralized GSI (bioswales, detention ponds, detention pipes). For the 2017-2018 water year, hourly rainfall and observed discharge data is used to calibrate the EPA's Stormwater Management Model to simulate rainfal

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