Browsing PhD Dissertations - DO NOT EDIT by Title
Now showing items 146-165 of 273
-
Identification of Resilience Dimensions and Development of a Decision-Making System to Measure the Resilience Level of Highway Networks
(2021-12-21)Local as well as national economy and safety depend on the network characteristics of the transportation infrastructures. Destruction of transportation infrastructures causes the direct cost of the reconstruction as well ... -
Identifying the Optimal Combination of Critical Roadside Slope Segments Susceptible to Rainfall-induced Failures for Minimizing Vulnerability of Highway Networks
(2022-08-11)The stability of roadside slopes is vital for the smooth operation of the highway transportation system. The failure of slopes adjacent to the highway corridors adversely impacts the network users and network operators. ... -
Impact Of Transit-oriented Infrastructure Investments on Property Valuations
(Civil & Environmental Engineering, 2012-04-11)The population explosion of the second half of the last century brought about increased human activity. Much of the attendant increased access to activities has been facilitated by the incredible technological advances in ... -
An Improved Model For Predicting Methane Emissions From Landfills Based On Rainfall, Ambient Temperature And Waste Composition
(Civil & Environmental Engineering, 2013-03-20)Accurately estimating the emissions of methane (CH4) and carbon dioxide (CO2) in a landfill is important for quantifying its greenhouse gas (GHG) emissions and power generation potential. Previous studies have shown that ... -
IMPROVING FLOOD FORECASTING USING CONDITIONAL BIAS-AWARE ASSIMILATION OF STREAMFLOW OBSERVATIONS AND DYNAMIC ASSESSMENT OF FLOW-DEPENDENT INFORMATION CONTENT
(2020-12-22)Accurate forecasting of floods is a long-standing challenge in hydrology and water management. Data assimilation (DA) is a popular technique used to improve forecast accuracy by updating the model states in real time using ... -
IMPROVING HYDROLOGIC PREDICTION FOR LARGE URBAN AREAS THROUGH STOCHASTIC ANALYSIS OF SCALE-DEPENDENT RUNOFF RESPONSE, ADVANCED SENSING AND HIGH-RESOLUTION MODELING
(2016-05-18)Due to urbanization and climate change, large urban areas such as the DallasFort Worth Metroplex (DFW) area is vulnerable not only to river flooding but also flash flooding. Due to the nonstationarities involved, projecting ... -
IMPROVING MULTI-RESERVOIR WATER SUPPLY SYSTEM OPERATION USING ENSEMBLE FORECASTING AND GLOBAL SENSITIVITY ANALYSIS
(2019-05-16)The objective of this research is to improve the cost-effectiveness, reliability and resilience of water supply system operation through the utilization of ensemble forecasting and optimization of the operating policies. ... -
IMPROVING OPERATIONAL HYDROLOGIC FORECASTING VIA CONDITIONAL BIAS-PENALIZED MULTI-SENSOR PRECIPITATION ESTIMATION AND MULTI-MODEL STREAMFLOW PREDICTION
(2021-05-09)Many multivariate analysis techniques involve minimizing mean square error (MSE) or error variance under unbiasedness. In the presence of observation error, variance minimization tends to introduce negative and positive ... -
Improving Post Processing of Ensemble Streamflow Forecast for Short-to-long Ranges: A Multiscale Approach
(2019-08-30)A novel multi-scale post-processor for ensemble streamflow prediction, MS-EnsPost, and a multiscale probability matching (MS-PM) technique for bias correction in streamflow simulation are developed and evaluated. The MS-PM ... -
Improving Probabilistic Quantitative Precipitation Forecasting Using Machine Learning and Statistical Postprocessing Methods
(2021-12-09)The objective of this research is to address the limitations inherent in conventional statistical postprocessing schemes to generate probabilistic quantitative precipitation forecasts (PQPFs) and improve postprocessed ... -
IMPROVING THE ANALYSIS AND PREDICTION OF COASTAL FLOODING DURING HURRICANE LANDFALLS THROUGH COUPLED AND INTEGRATED MODELING
(2022-12-19)**Please note that the full text is embargoed until 12/16/2024** ABSTRACT: As the intensity and frequency of landfalling tropical storms are likely on the rise in a warming climate, coastal communities are increasingly ... -
IMPROVING WATER QUALITY FORECASTING USING DATA ASSIMILATION
(2015-12-08)Population growth increases agricultural, industrial and human activities which threaten the quality of water resources, especially water supply sources such as lakes and reservoirs. In potentially high-impact situations ... -
In-Service Performance Evaluation of Fire and Impact Damaged Bridges with CFRP Laminate Strengthening
(2018-08-09)Fire events and impact damage on bridges are few of the least understood of common extreme events. Bridge infrastructures that are subjected to hazards such as fire or impact from over height vehicle can catastrophically ... -
Integrated Evaluation of Greenhouse Gas Emissions, Traditional Air Pollutants, and Economics of Three Types of Landfills
(2016-08-26)Despite the decreasing rate of landfilled waste due to increases in reuse and recycling, landfilling remains an enormous part of the waste industry of the United States due to population and economic growth. In addition, ... -
INTEGRATED MODELING OF STORM DRAIN AND NATURAL CHANNEL NETWORKS FOR REAL-TIME FLASH FLOOD FORECASTING AND STORMWATER PLANNING AND MANAGEMENT IN LARGE URBAN AREAS
(2017-08-09)Urban flash flooding is a serious problem in large highly populated areas such as the Dallas–Fort Worth metroplex (DFW). Being able to monitor and predict flash flooding at a high spatiotemporal resolution is critical to ... -
Integrating Environmental Contamination Perceptions of Artisanal and Small-Scale Mining into Environmental Responses across Spatial Scales
(2022-08-10)**Please note that the full text is embargoed until 8/10/2024** ABSTRACT: Artisanal and small-scale gold mining (ASGM) is of significant interest to the international research community, government officials, and ... -
Investigation Of Co-pyrolysis Between Sargassum Macroalgae And Polystyrene
(Civil & Environmental Engineering, 2012-07-25)Biomass is one source of renewable energy which helps minimize greenhouse gas (GHG) emissions, specifically carbon dioxide (CO2), since biomass utilizes CO2 via photosynthesis. Various conversion processes are applied to ... -
Investigation of models to predict the remaining useful life of prestressed concrete cylinder pipe
(2023-01-17)The water distribution system in the United States consists of 2.2 million miles of pipelines with water main breaks that the American Society of Civil Engineers (ASCE) 2021 Report Card estimated results in six billion ... -
INVESTIGATION OF STRENGTH-ENHANCEMENT MECHANISM AND SIZE EFFECT ON ULTIMATE SHEAR STRENGTH OF STEEL FIBER-REINFORCED CONCRETE (SFRC) SLENDER BEAMS
(2016-05-10)This research study consists of two separate phases. In the first phase, an experimental study was conducted to identify the shear-enhancement and failure mechanisms behind the ultimate shear strength of steel fiber-reinforced ... -
INVESTIGATION ON THE IMPACTS OF LAND SUBSIDENCE AND URBANIZATION ON FLOOD INUNDATION IN TEXAS
(2023-08-25)**Please note that the full text is embargoed until 08/01/2024** Floods, being a prevalent and catastrophic natural hazard, have resulted in enormous losses to human lives and properties all over the world. Hence, there ...