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Civil Engineering

Graduate Theses, Dissertations, and Problem Reports

Theses/Dissertations

Climate

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Full-Text Articles in Engineering

Stormwater Runoff Response Under Changing Climate And Land Uses Across Gradients Of Inland And Coastal Urban-Natural Basin, Mahmood Khan Jan 2022

Stormwater Runoff Response Under Changing Climate And Land Uses Across Gradients Of Inland And Coastal Urban-Natural Basin, Mahmood Khan

Graduate Theses, Dissertations, and Problem Reports

Climatic variability has caused significant shifts in the magnitude, frequency and spatiotemporal distribution of precipitation, generating excessive runoff that leads to frequent occurrences of extreme hydrologic events such as the pluvial (rainfall accumulation) and fluvial (riverine) floods. The conversion of natural areas into urban lands is further exacerbating the rainfall accumulation by increasing surface imperviousness that hinders infiltration of water into the soil. This dissertation predicts and characterizes potential shifts in the future annual stormwater runoff
volumes and runoff extremes under the standalone and coupled changes in climate and land use across inland and coastal urban-natural settings. The research was …


Climatic And Land Cover Sensitivities Of Stormwater Runoff In A Coastal Natural-Urban Basin Of Texas, Usa., Nusrat Nasrin Khan Jan 2022

Climatic And Land Cover Sensitivities Of Stormwater Runoff In A Coastal Natural-Urban Basin Of Texas, Usa., Nusrat Nasrin Khan

Graduate Theses, Dissertations, and Problem Reports

Changes in climatic and land use drivers typically drive stormwater runoff quantity and quality. This study focuses on determining the stormwater runoff sensitivities to variation in climatic and land cover changes in a coastal natural-urban basin. A mechanistic hydrologic model was developed for the Spring San Jacinto Basin (SSJB) of Texas, USA considering the basin as a pilot study area by using the U.S. Environmental Protection Agency (EPA)’s Storm Water Management Model 5.2. The SSJB drains an area of 1949 km2 ultimately into the northern Gulf of Mexico, USA through peripheral neighborhoods of the Greater Houston area. The model …


Large-Scale Modeling And Assessments Of Climate, Land Cover, And Sea Level Change Impacts On Stormwater Runoff In Coastal Urban-Natural Environments, Erfanul Huq Jan 2020

Large-Scale Modeling And Assessments Of Climate, Land Cover, And Sea Level Change Impacts On Stormwater Runoff In Coastal Urban-Natural Environments, Erfanul Huq

Graduate Theses, Dissertations, and Problem Reports

This dissertation investigated the potential impacts of changing climate, land cover, and sea level on the future stormwater budget and extreme runoff in coastal urban-natural environments. Two large-scale basins, namely Florida Southeast Coasts Basin (7117 km2) and Saint Johns River Basin (24928 km2), were selected for this study. The basins represented gradients in climate, land cover, and hydrology across the Atlantic coasts of Florida and the southeast U.S. Two mechanistic hydrologic models were developed for the basins using U.S. Environmental Protection Agency (U.S. EPA)’s Storm Water Management Model (SWMM) 5.1. The models were calibrated and validated with observed historical streamflow …