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Belete Berhanu, Yilma Seleshi, Solomon S. Demisse and Assefa M. Melesse
The spatiotemporal variability of a stream flow due to the complex interaction of catchment attributes and rainfall induce complexity in hydrology. Researchers have been trying to address this complexity with a number of approaches; river flow regime is ...
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Soumaya Nabih, Ourania Tzoraki, Prodromos Zanis, Thanos Tsikerdekis, Dimitris Akritidis, Ioannis Kontogeorgos and Lahcen Benaabidate
Climate change projections predict the increase of no-rain periods and storm intensity resulting in high hydrologic alteration of the Mediterranean rivers. Intermittent flow Rivers and Ephemeral Streams (IRES) are particularly vulnerable to spatiotempora...
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Cleo Woelfle-Erskine
Pág. 1 - 23
In Mediterranean-climate regions of California and southern Oregon, juvenile salmon depend on groundwater aquifers to sustain their tributary habitats through the dry summers. Along California?s North Coast streams, private property regimes on land have ...
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Cleo Woelfle-Erskine
In Mediterranean-climate regions of California and southern Oregon, juvenile salmon depend on groundwater aquifers to sustain their tributary habitats through the dry summers. Along California?s North Coast streams, private property regimes on land have ...
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Amilkar E. Ilaya-Ayza, Enrique Campbell, Rafael Pérez-García and Joaquín Izquierdo
Water supply systems have been facing many challenges in recent decades due to the potential effects of climate change and rapid population growth. Water systems need to expand because of demographic growth. Therefore, evaluating and increasing system ca...
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Amilkar E. Ilaya-Ayza, Enrique Campbell, Rafael Pérez-García, Joaquín Izquierdo
Pág. 1 - 17
Water supply systems have been facing many challenges in recent decades due to the potential effects of climate change and rapid population growth. Water systems need to expand because of demographic growth. Therefore, evaluating and increasing system ca...
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Vitaly Sergeev, Nikolai Vatin, Evgeny Kotov, Darya Nemova and Svyatoslav Khorobrov
The main objective of the study is to propose a technical solution integrated into the pipeline for the transition of the flow regime from slug to bubbly two-phase flow. The object of research is isothermal two-phase gas?Newtonian-liquid flow in a horizo...
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Lizeth Torres, José Noguera, José Enrique Guzmán-Vázquez, Jonathan Hernández, Marco Sanjuan and Arturo Palacio-Pérez
We study a high-viscosity two-phase flow through an analysis of the corresponding pressure signals. In particular, we investigate the flow of a glycerin?air mixture moving through a horizontal pipeline with a U-section installed midway along the pipe. Di...
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Nada Joumar, Soumaya Nabih, Antonis Chatzipavlis, Adonis Velegrakis, Thomas Hasiotis, Ourania Tzoraki, Jamal Eddine Stitou El Messari and Lahcen Benaabidate
The study of plumes occurring at the mouth of small rivers of temporal flow is a challenging task due to the lack of sedimentological and flow data of appropriate spatiotemporal scales. The present contribution examined the case of a typical un-gauged in...
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Donghyuk Kum, Jichul Ryu, Yongchul Shin, Jihong Jeon, Jeongho Han, Kyoung Jae Lim and Jonggun Kim
This study accounted for the importance of daily expansion flow data in compensating for insufficient flow data in a watershed. In particular, the 8-day interval flow measurement data (intermittent monitoring data) could cause uncertainty in the high- or...
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William Quitiaquez, Eduardo Cortez, Karen Anchapaxi, C.A. Isaza-Roldán, César Nieto-Londoño, Patricio Quitiaquez, Fernando Toapanta-Ramos
This research work presents a detailed description of the flow patterns maps generated in a horizontal pipe of the collector/evaporator of a direct-expansion solar-assisted heat pump, using R600a refrigerant as working fluid. The study was performed in a...
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William Quitiaquez, Eduardo Cortez, Karen Anchapaxi, C.A. Isaza-Roldán, César Nieto-Londoño, Patricio Quitiaquez, Fernando Toapanta-Ramos
This research work presents a detailed description of the flow patterns maps generated in a horizontal pipe of the collector/evaporator of a direct-expansion solar-assisted heat pump, using R600a refrigerant as working fluid. The study was performed in a...
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José Alberto Herrera-Melián, Alejandro Borreguero-Fabelo, Javier Araña, Néstor Peñate-Castellano and José Alejandro Ortega-Méndez
A hybrid constructed wetland mesocosm has been used for the treatment of raw urban wastewater. The first stage was a mulch-based, subsurface, horizontal flow constructed wetland (HF). The HF achieved good removals of COD (61%; 54 g/m2·day) and Total Susp...
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Laurent Schindfessel, Stéphan Creëlle and Tom De Mulder
Despite the ratio of incoming discharges being recognized as a key parameter in open-channel confluence hydrodynamics, little is known about the flow patterns when the tributary provides more than 90% of the total discharge. This paper offers a systemati...
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Wendong Tao, James S. Bays, Daniel Meyer, Richard C. Smardon and Zeno F. Levy
As combined sewer systems and centralized wastewater treatment facilities age, many communities in the world are challenged by management of combined sewer overflow (CSO). Constructed wetlands are considered to be one of the green infrastructure solution...
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Simone Giorgi and John V. Ringwood
Tidal energy belongs to the class of intermittent but predictable renewable energy sources. In this paper, we consider a compact set of geographically diverse locations, which have been assessed to have significant tidal stream energy, and attempt to fin...
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José A. Amador, David A. Potts, George W. Loomis, David V. Kalen, Erika L. Patenaude and Josef H. Görres
We tested intermittent aeration of the soil treatment area (STA) of onsite wastewater treatment systems (OWTS) for its ability to restore and maintain STA hydraulic flow and improve the water quality functions of conventional OWTS. Evaluation was conduct...
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Bo Yang, Hesen Yang, Ning Zhao, Hua Liang, Zhi Su and Dongsheng Zhang
The double-wedge configuration is a typical characteristic shape of the rudder surface of high-speed aircraft. The impact of the shock wave/boundary layer interaction and the shock wave/shock wave interaction resulting from the double wedge on aircraft a...
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Ulrich Zanke and Aron Roland
Morphodynamic processes on Earth are a result of sediment displacements by the flow of water or the action of wind. An essential part of sediment transport takes place with permanent or intermittent contact with the bed. In the past, numerous approaches ...
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Henrik Drake, Ellen Kooijman and Melanie Kielman-Schmitt
The strontium isotope signature (87Sr/86Sr) of calcite precipitated in rock fractures and faults is a frequently used tool to trace paleofluid flow. However, bedrock fracture networks, such as in Precambrian cratons, have often undergone multiple fractur...
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