Disturbances are essential to the perpetuation of functioning riparian areas. However, with westward expansion, riparian areas, with access to water, fertile soils, and abundant vegetation, have been the target of heavy human use and alteration. Disturbance regimes in riparian a…
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This dissertation explores the impacts of resource procurement on economic growth and urbanization in a county through a historical case study, moving on to discuss the welfare impacts of resource-sharing in two regions. The first two essays explore the impact of the Owens Valle…
Control of natural resources has been a major feature of inter-state relations. In several conflicts in the past, control over natural resource was a major factor. Water, the most critical resource for life, poses an enormous challenge for countries facing water shortages partic…
Florida represents approximately 12% of all onsite sewage treatment and disposal systems (OSTDS) in the United States. Properly designed, constructed and maintained OSTDS are effective eco- friendly alternatives for the treatment of domestic wastewater from households not servic…
Data assimilation in subsurface systems is challenging due to the large number of flow simulations often required, and by the need to preserve geological realism in the calibrated (posterior) models. In this work we present a deep-learning-based surrogate-modeling framework, ref…
At the dawn of the first urban century in human history, we are coming to understand the undeniable consequences of our occupation that has changed the record of geology and ecosystems on a planetary scale. Persistent and irrefutable marks providing evidence of these changes are…
The findings of this study reveal that the 'reasonable and equitable utilization' of international watercourse is the governing principle of international water law. It has been recognized as an established principle of customary international law in all important codifications …
Groundwater is the most extracted raw material, with an average withdrawal rate of 982 km3 per year, where 70 percent of the total groundwater withdrawn is used for agriculture globally (Margat & van der Gun, 2013). With climate change and increased water demands in recent years…
Dissolved oxygen is an important parameter of water quality in aquaculture. Aeration has been known to improve oxygen levels and yields, but its use is uncommon in many developing world environments due to high costs. As a more effective implementation, this thesis presents the …
Research efforts on mixed bedrock-alluvial rivers primary focused on the bedrock incision and very few studies investigated the alluvial morphodynamics of such systems. To the best of my knowledge none of these models have been considered the spatial variability of the sediment …
A short (3 to 5-day) to mid-range (6 to 10-day) flood forecasting lead time is desired to increase the flood response and preparedness in flood-prone regions across the world. The major limitation of providing accurate flood forecasts of such lead times is mainly associated with…
The sustainability issues facing irrigated river basins are intensified by legal and institutional regulations imposed on the hydrologic system. Although solutions that would boost water savings and quality might prove to be feasible, such imposed institutional constraints could…
Flood Impact Assessment (FIA) is an integral part of flood risk management (FRM) that requires extensive data collection and rigorous modeling. Elevation data is one of the main inputs for this venture that is often fulfilled by digital elevation models (DEM). DEM provides a con…
Imagine you live in a place without any storm water or wastewater systems! Wastewater and storm water systems are two of the most crucial systems for urban infrastructure. Water resources have become more limited and expensive in arid and semi-arid regions. According to the four…
Water is the most essential resource for the sustenance of life. Water is also necessary for agriculture, industry, household, and environmental conservation. However, due to large population growth and industrial expansion, access to clean water is becoming increasingly difficu…
Despite widespread enthusiasm for the development and use of the water footprint concept, some concerns have been raised about the concept itself and its usefulness. A variety of methodologies have been developed for determining the water footprint of a country, each of which va…
Precipitation is a crucial input variable for hydrological and climate studies. Rain gauges can provide reliable precipitation measurements at a point of observations. However, the uncertainty of rain measurements increases when a rain gauge network is sparse. Satellite-based pr…
Nonstationarity in the means and extremes of water resources (e.g., streamflow) due to climate change presents challenges to water resources management and planning. Changes in hydrologic variables such as streamflow critically impact infrastructure, water use planning and adapt…
More than 72% of sub-Saharan Africa land surface is comprised of hard rock with fractured rock aquifers supplying water to an estimated 25% of the rural population. Given low porosity and storativity, fractured rock aquifers are particularly vulnerable to stresses such as projec…