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Articles 1 - 14 of 14
Full-Text Articles in Other Civil and Environmental Engineering
Energy Dissipation Optimization For Circular Culverts, Chi Zhang
Energy Dissipation Optimization For Circular Culverts, Chi Zhang
Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research
The principal goal of the current research is to develop and improve weir-based energy dissipator designs at the outlets of circular culverts. In the present case, we are interested in full-length weirs and staggered weirs. A review of related literature was completed and reported; a test facility was carefully designed and constructed to collect flow information in a basin downstream of a model broken-back circular culvert; instrumentation was installed to measure discharges, streamwise depths, and velocities. Both full-length and staggered weirs were tested over a range of discharges and tailwaters. The two types of weirs were subjected to two types …
Columbus, Nebraska: Southern Housing Development Design Proposal, Ryan Weyers, Caiden Dynek, Alex Papa, Brexton Robertson, Kaden Perala
Columbus, Nebraska: Southern Housing Development Design Proposal, Ryan Weyers, Caiden Dynek, Alex Papa, Brexton Robertson, Kaden Perala
Honors Theses
The following paper proposes the design and creation of a new housing development in the city of Columbus, Nebraska in a lot to the south of the city and directly north of the Columbus wastewater treatment plant. The goal of this proposal is to provide readers with confidence that our company is the most qualified to complete the project and will create the safest, most comfortable, most efficient, and most cost-effective final design. This proposal seeks to offer a solution to the lack of affordable housing for the growing workforce in Columbus. In order to arrive at this solution, each …
Water Resources Planning Under Deep Uncertainty For Physically, Socially, And Politically Complex Systems, Sarah St. George Freeman
Water Resources Planning Under Deep Uncertainty For Physically, Socially, And Politically Complex Systems, Sarah St. George Freeman
Doctoral Dissertations
Water supply systems, particularly those of large cities, are complex systems linking supply, regulatory and distribution infrastructure, and points of use. Despite their physical complexities, it is infrequent that full supply, distribution, end use, and feedbacks therein are considered in an integrated manner. These complex systems-of-systems face large uncertainties related to physical aspects such as degradation of infrastructure, changing demand, and climate variability and change. Though great, such physical uncertainties often pale in comparison to the those related to the human systems in place to manage them and yet uncertainty in the decision-making landscape is often grossly simplified in our …
Efficient Use Of Water Resources In The Basins Of Small Rivers, F. Gapparov, M.F. Gafforova
Efficient Use Of Water Resources In The Basins Of Small Rivers, F. Gapparov, M.F. Gafforova
Irrigation and Melioration
The article provides a recommendation for the efficient use of water resources in the basins of small foothill rivers. The research was carried out on the example of the Govasay river basin located in the northern part of the Fergana Valley. The efficiency factor of the canal has been determined and a technical assessment has been given for the management of water resources in the river basin; the efficiency of the canal is 65-75%. A program for the operational management of water resources in The Govasay river basin and a GIS map of water consumers in the Govasay river basin …
Дождеваsome Aspects Of Water Management In The Republic Of Uzbekistan During The Period Of Independence (Reality And Forecast), S. Khodjaev
Irrigation and Melioration
To date, there is no alternative to the introduction of the principles of integrated water resources management (IWRM), this is proved by the research of SIC ICWC on the territory of the South Fergana main canal, where the specific water supply per hectare of irrigated area has been reduced by 32% on an area of 120 thousand hectares, that is up to 7 thousand m³/ha, instead of the limited ones 10 thousand m³/ha. Researches recommend cutting off all types of collector-drainage waters (CDW) from the river trunks of the Aral Sea basin, including the Syr-Darya and Amu-Darya, since CDW are …
Assessment Of The Impact Of Climate Change On Hydrological Processes In The Chirchik River Basin, Kh.Sh. Gafforov, Sh.D. Sh.D.Tursunboev
Assessment Of The Impact Of Climate Change On Hydrological Processes In The Chirchik River Basin, Kh.Sh. Gafforov, Sh.D. Sh.D.Tursunboev
Irrigation and Melioration
The importance of assessing past and future climate differences plays an important role in future planning in relation to climate change. This situation requires urgent and concerted action in several areas: technology, infrastructure, politics, economics, and the environment. The article evaluates the impact of changes in precipitation intensity on the water level in the global circulation model (GCM) RCP 4.5 and 8.5 scenarios in the 2030s, 2050s, and 2070s. This study is a useful reference for improving water resource management and ensuring the sustainability of agricultural products in the future, as well as for improving operational water management and agricultural …
Assessment Of The Impact Of Climate Change On Hydrological Processes In The Chirchik River Basin, В.K. Saliev
Assessment Of The Impact Of Climate Change On Hydrological Processes In The Chirchik River Basin, В.K. Saliev
Irrigation and Melioration
The article examines the assessment of the state and problems of irrigation water use in the republic in the past and in the near future. A comparative analysis of the state of water resources use for the period of the last 30 years from 1989 to 2019 was carried out.According to the estimates, own water withdrawal for 5 years (2014/15-2018/19) shows that an average of 53.2 m3, including 50.5 billion m3 from rivers At present (2018-2019), an average of 57.06 billion m3 of water is taken for irrigation of 4.289 million hectares of land, against 63.02 billion m3 approved in …
Prospects For Solving The Problem Of Rational Use Of Water Resources Using The Tiiame-1 Sprinkling Machine, M.Kh. Khamidov, A.R. Muratov
Prospects For Solving The Problem Of Rational Use Of Water Resources Using The Tiiame-1 Sprinkling Machine, M.Kh. Khamidov, A.R. Muratov
Irrigation and Melioration
The information published by the International Commission on Irrigation and Drainage, and the intermediate results of many years of research carried out by scientists from TIIAME on the development, research and implementation of water-saving technologies in agriculture are presented. The acute shortage of water resources in Central Asia, the problems of increasing the efficiency of the use of water-saving technologies around the world have led to the careful use of available water resources in the region, including the prospects and advantages of using irrigation of crops by sprinkling, as well as the design and technical parameters of the sprinkler developed …
Modeling The Impact Of Changes In The Ground Water Level On The Stability Of Agricultural Landscapes Using Gis, A.M. Arifjanov, L.N. Samiev, F.K. Babajanov, G.M. Xamdamova, Sh.N. Yusupov
Modeling The Impact Of Changes In The Ground Water Level On The Stability Of Agricultural Landscapes Using Gis, A.M. Arifjanov, L.N. Samiev, F.K. Babajanov, G.M. Xamdamova, Sh.N. Yusupov
Irrigation and Melioration
The article presents modern GIS methods for determining the stability of changes in irrigated areas and the depth of the ground water level.the most correct solutions are given in modeling this process. To distinguish agricultural landscapes, the classification of agricultural acreage in the lower part of the Amu Darya river region was made using 16-day periodic rasters 2017 of 2018 and the NDIS MOD13Q1 sensor of agricultural acreage, type NDVI. The annual change in the level of underground water in relation to the state of rivers and channels is analyzed. A steady change in agricultural acreage on the right Bank …
Multisector Water Consumption Database: Surkhandarya Region Of The Republic Of Uzbekistan, М. Ikramova, С. Batishev, О. Ikramov, H. Kabilov, D. Nazaraliev, А. Khodjiev, I. Akhmedkhodjaeva
Multisector Water Consumption Database: Surkhandarya Region Of The Republic Of Uzbekistan, М. Ikramova, С. Batishev, О. Ikramov, H. Kabilov, D. Nazaraliev, А. Khodjiev, I. Akhmedkhodjaeva
Irrigation and Melioration
The available water resources in the country are used by the different sectors of economy as industry, agriculture, energy, communal service and etc. In this case the water distribution within the river basin requires perfect information service and data exchange facilities. In the paper the developed unified multi-sector on-line database is presented aimed to monitor the water distribution among sectors of economy, database structure, and data exchange tools. The software works at operative mood, allows evaluating the combined water use efficiency by water users.
An Open-Source Tool To Facilitate The Processing Of Grace Observations And Gldas Outputs: An Evaluation In Bangladesh, Adam J. Purdy, Cédric H. David, Md. Safat Sikder, John T. Reager, Hrishikesh A. Chandanpukar, Norman L. Jones, Mir A. Matin
An Open-Source Tool To Facilitate The Processing Of Grace Observations And Gldas Outputs: An Evaluation In Bangladesh, Adam J. Purdy, Cédric H. David, Md. Safat Sikder, John T. Reager, Hrishikesh A. Chandanpukar, Norman L. Jones, Mir A. Matin
Faculty Publications
Bangladesh lies at the intersection of the Ganges, Brahmaputra, and Meghna rivers with a combined average discharge of 38,000 m3s−1 ranking fourth globally. Despite the volume of water flowing through and seasonally inundating parts of the landscape, groundwater reliance is necessary to support an intensive agricultural industry. Here we use newly-developed open-source software to combine observations from the Gravity Recovery and Climate Experiment (GRACE) satellites with hydrologic estimates of land water storage from the Global Land Assimilation Data System (GLDAS) to isolate basin-scale groundwater anomalies in Northwest Bangladesh from 2002 to 2016. We place our estimates in the context of …
The Regard Project Brings 4 Platforms Together To Assess The State Of The Garonne River Catchment (France) - Integrating Remote Sensing Data With Hydrological And Human Activities Modeling, Sabine Sauvage, Eric Martin, Gregory Espitalier-Noël, Jordi Etchanchu, Youen Grusson, Romain Lardy, Pierre Le Cointe, François Moussu, Lucie Portier, Salwa Belaqziz, Camille Truche, Moussa Mballo, François Anctil, Mélanie Bardeau, Sylvain Biancamaria, Jacques Chorda, Simon Gascoin, Patrick Le Moigne, Ludovic Lhuissier, Clément Murgue, Sophie Ricci, Olivier Therond
The Regard Project Brings 4 Platforms Together To Assess The State Of The Garonne River Catchment (France) - Integrating Remote Sensing Data With Hydrological And Human Activities Modeling, Sabine Sauvage, Eric Martin, Gregory Espitalier-Noël, Jordi Etchanchu, Youen Grusson, Romain Lardy, Pierre Le Cointe, François Moussu, Lucie Portier, Salwa Belaqziz, Camille Truche, Moussa Mballo, François Anctil, Mélanie Bardeau, Sylvain Biancamaria, Jacques Chorda, Simon Gascoin, Patrick Le Moigne, Ludovic Lhuissier, Clément Murgue, Sophie Ricci, Olivier Therond
International Congress on Environmental Modelling and Software
In many watersheds, water resource states depend on human activities and interactions between different hydrological compartments including rivers, aquifers, reservoirs, soil and snow. High human withdrawals may cause difficulties for the management of low water periods. The project REGARD aims at showing how remote sensing data and information on human activity, combined with hydrological modelling, can provide a high spatial (some kilometres) and temporal resolution (daily) view of the water resources dynamics. Formalism of environmental and human activities are implemented into four hydrological modelling platform dealing with different space and time scales in order to simulate interactions between all the …
A Review Of Open Source Software Solutions For Developing Water Resources Web Applications, Nathan R. Swain, Kilisimasi Latu, Scott D. Christensen, Norman L. Jones, E. James Nelson, Daniel P. Ames, Gustavious P. Williams
A Review Of Open Source Software Solutions For Developing Water Resources Web Applications, Nathan R. Swain, Kilisimasi Latu, Scott D. Christensen, Norman L. Jones, E. James Nelson, Daniel P. Ames, Gustavious P. Williams
Faculty Publications
Water resources web applications or “web apps” are growing in popularity as a means to overcome many of the challenges associated with hydrologic simulations in decision-making. Water resources web apps fall outside of the capabilities of standard web development software, because of their spatial data components. These spatial data needs can be addressed using a combination of existing free and open source software (FOSS) for geographic information systems (FOSS4G) and FOSS for web development. However, the abundance of FOSS projects that are available can be overwhelming to new developers. In an effort to understand the web of FOSS features and …
Use Of Near Real Time Earth Observation Data Infrastructures And Open Source Tools For Water Resources Monitoring And Assessment, Chris M. Mannaerts, Ben H.P. Maathuis, Petra E. Budde
Use Of Near Real Time Earth Observation Data Infrastructures And Open Source Tools For Water Resources Monitoring And Assessment, Chris M. Mannaerts, Ben H.P. Maathuis, Petra E. Budde
International Congress on Environmental Modelling and Software
Since several years, a rapid and ever increasing public use of geo-information data derived from earth observation satellites is noted. The use of Google and Microsoft Virtual Earth engines can be seen as generic examples of this trend. For hydrology, water resources research and professional practice, we also note a growing availability of earth observation (EO) data and products, needed for operational land and water management. Many of these data are public domain and made freely available using low-cost global data dissemination infrastructures like GEONETCast, managed by the spaces agencies EUMETSAT and NOAA amongst others, within the context of the …