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Articles 1 - 6 of 6
Full-Text Articles in Environmental Engineering
Enhancing The Link Between Surface And Groundwater Models For Climate Change Assessment Of Water Supply And Demand In Northwest Mexico, George Whitten, Matthew Hann, Agustin Robles-Morua, Alex S. Mayer, Enrique R. Vivoni
Enhancing The Link Between Surface And Groundwater Models For Climate Change Assessment Of Water Supply And Demand In Northwest Mexico, George Whitten, Matthew Hann, Agustin Robles-Morua, Alex S. Mayer, Enrique R. Vivoni
International Congress on Environmental Modelling and Software
The integrated use of surface and groundwater models is critical for analyzing water resources sustainability. We have applied surface and groundwater models to the Sonora River basin (SRB) in Northwest Mexico within the context of participatory modeling with stakeholders to explore alternative futures under climate change impacts. The models are used to assess the hydrologic consequences of temperature and precipitation scenarios generated through the dynamical downscaling using the Weather Research and Forecast (WRF) model for historical, near-future and far- future study periods. WRF is used to downscale two global circulation models (GCMs), HadCM3 and MPI-ECHAM5. Improved representation of surface-groundwater interactions …
Management Of Water Resources In Shanshan, China: A System Dynamic Approach, Chao Chen, Zhixia Xu, Ajay Kalra, Sajjad Ahmad
Management Of Water Resources In Shanshan, China: A System Dynamic Approach, Chao Chen, Zhixia Xu, Ajay Kalra, Sajjad Ahmad
College of Engineering: Graduate Celebration Programs
Shanshan County, located in Xinjiang, China, has severe problems of water scarcity, overexploitation of groundwater. In need of efficient water resources management strategies, this study proposes a System Dynamics (SD) approach to simulate the water resource allocation, which can assist in providing a better understanding of the dynamic water supply and demand system and exploring different water resources management and allocation scenarios.
An Assessment Of The Emas Pump And Its Potential For Use In Household Water Systems In Uganda, Jacob Daniel Carpenter
An Assessment Of The Emas Pump And Its Potential For Use In Household Water Systems In Uganda, Jacob Daniel Carpenter
USF Tampa Graduate Theses and Dissertations
Rural improved water supply coverage in Uganda has stagnated around 64% for a number of years and at this point more than 10 million rural people do not have access to an improved drinking water source. It has been recognized that progress toward improved water supply coverage and increased service levels may be gained through Government and nongovernmental organization (NGO) support of private investment in household and shared water supplies, commonly known as Self-supply. Self-supply can be promoted by introducing and building local capacity in appropriate and affordable water supply technologies such as hand-dug wells, manually drilled boreholes, low-cost pumps, …
Drinking Water In The Developing World: Sources Of Fecal Contamination In Pitcher Pump Systems And Measurement Alternatives, Meghan Wahlstrom
Drinking Water In The Developing World: Sources Of Fecal Contamination In Pitcher Pump Systems And Measurement Alternatives, Meghan Wahlstrom
USF Tampa Graduate Theses and Dissertations
It has been reported that globally we have achieved Millennium Development Goal (MDG) Target 7C, to halve the proportion of the population without access to safe drinking water; however, there is a major flaw with this statement. While Target 7C calls for access to `safe' drinking water, what is actually being measured and reported is access to an `improved' water source. The World Health Organization (WHO) maintains that they must use this proxy measure because the methods for water quality testing are too expensive and logistically complicated, but by doing so, they may be over reporting safe water coverage.
This …
Evaluation Of Hand Augered Well Technologies' Capacity To Improve Access To Water In Coastal Ng[Oumlaut]Be Communities In Panama, Sarah Hayman
USF Tampa Graduate Theses and Dissertations
Amid the global efforts surrounding United Nations' Millennium Development Goal Target 7c to improve access to safe and sustainable drinking water among populations who lack this resource, it has become essential to monitor and evaluate progress. Development initiatives working to achieve improved drinking water access often introduce appropriate technologies designed to be sustainably owned and operated by populations in rural areas suffering from water related hardships. It is valuable to thoroughly examine the degree to which these technologies satisfy intended objectives and affect user experienced water access. The accurate reflection of impact and progress can be complex, as the evaluation …
Analyses Of Groundwater Contribution To A Riverine Wetland, Farzad Mahmoodinobar
Analyses Of Groundwater Contribution To A Riverine Wetland, Farzad Mahmoodinobar
Dissertations
Rainfall, runoff, overbank flow and groundwater, all contribute water to wetlands. Each transport element is associated with unique modeling approaches and uncertainties. Transpiration is perhaps the hardest to quantify as it is subject to all the variability of plant growth. Transpiration causes land area to lose moisture and the loss amount depends on precipitation incidence, the temperature and type and extent of vegetation. Plants can intercept virtually all recharge during the growing season and almost none from late fall to early spring in northeastern United States. Thus, an improvement in the transpiration element can contribute considerably to an improved groundwater …