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Articles de revues sur le sujet « Water supply zone »

Auteur : Grafiati

Publié le 7 juin 2025

Mis à jour le 2 août 2025

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1

Sahakyan, Aram A. "Characteristics of water supply network zoning." Bulletin of the Tomsk Polytechnic University Geo Assets Engineering 335, no. 2 (2024): 209–19. http://dx.doi.org/10.18799/24131830/2024/2/4262.

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Relevance. The original studies of water supply network and network exploitation data, as well as international experience, applied in similar conditions, and the data of existing literature, data of works on water supply zoning, which were carried out in the networks of various settlements in the Republic of Armenia, have been improved and are now being implemented effectively through the clear procedure developed by us. In our case, zoning is carried out under the conditions of the existing system, therefore the methods developed during design and reconstruction work consider the features of

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Swamee, Prabhata K., and Virendra Kumar. "Optimal water supply zone size." Journal of Water Supply: Research and Technology-Aqua 54, no. 3 (2005): 179–87. http://dx.doi.org/10.2166/aqua.2005.0017.

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Pham, Tuan Thanh, Dung Thanh Mai, Khai Manh Nguyen, Linh Thuy Nguyen, Dung Nhu Nguyen, and Thuy Thi Pham. "Water mass balance to assess the demand for water and wastewater generated by trading groups in industrial zones." Science & Technology Development Journal - Science of The Earth & Environment 1, no. M1 (2017): 79–89. http://dx.doi.org/10.32508/stdjsee.v1im1.437.

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The development of Industrial Zones in Vietnam will put pressure on water resources at local as well as national scale, due to the large amounts of water consumed and discharged to environment. This study, via water mass balance, provides analyses and assessments on water demand and wastewater generated in each trading groups (industrial sectors) of the Long Thanh Industrial Zone and the Nhon Trach III Industrial Zone phase 2, Dong Nai – the province with the most industrial zones in Vietnam. According to the water mass balance calculation results, the water demand of industrial sectors depend

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Jiang, Yuncheng, Bin Ouyang, and Zhigang Yan. "Spatial Correlation between the Changes in Supply and Demand for Water-Related Ecosystem Services." ISPRS International Journal of Geo-Information 13, no. 3 (2024): 68. http://dx.doi.org/10.3390/ijgi13030068.

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Clarifying the spatiotemporal changes in the supply and demand of water-related ecosystem services (WESs) can provide comprehensive support information for ecological governance decisions. However, the spatial mismatch between the supply and demand of WESs is often overlooked, resulting in a lack of targeted decision-making. At the grid scale, while preserving both natural and social attributes, this study quantitatively analyzed the spatiotemporal changes in the supply and demand of WESs in the Southern River Basin from 2000 to 2020. Ecological zoning was performed based on the temporal chang

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Pereyra, Gustavo, Anne Pellegrino, Remi Gaudin, and Milka Ferrer. "Evaluation of site-specific management to optimise <i>Vitis vinifera</i> L. (cv. Tannat) production in a vineyard with high heterogeneity." OENO One 56, no. 3 (2022): 397–412. http://dx.doi.org/10.20870/oeno-one.2022.56.3.5485.

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The spatial variability of vineyards can be characterised through precision viticulture that will allow setting the boundaries of homogeneous management zones. This study aimed to evaluate the impact of soil and plant management (site-specific management) to increase yields and improve berry quality. During three consecutive seasons, contrasting treatments designed ad hoc for two zones of vigour pre-established by NDVI were tested: high vigour zone (HV) and low vigour zone (LV). The treatments were aimed at reducing water and nitrogen supply and improving microclimatic conditions in the cluste

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Duan, Yuefan, Abudureheman Halike, Jianmei Luo, et al. "Multi-Scale Supply and Demand Relationships of Ecosystem Services Under Multiple Scenarios and Ecological Zoning to Promote Sustainable Urban Ecological Development in Arid Regions of China." Sustainability 16, no. 22 (2024): 9641. http://dx.doi.org/10.3390/su16229641.

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Predicting and analyzing the supply and demand relationship of ecosystem services provides theoretical support for the improvement of the ecological environment. This paper takes Bortala, a typical oasis city with a fragile ecological environment in the arid northwest region, as a case study. Based on the GMOP-PLUS-InVEST coupled model, it predicts the coupling coordination and matching degree of the supply and demand connection of ecosystem services such as habitat quality (HQ), carbon storage (CS), water yield (WY), and soil erosion (SD) under four scenarios. The findings indicate that from

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Samal, Kshyana Prava, and Ashok Kumar Tarai. "Assessment of water quality in the piped water supply system by using Water Quality index method." F1000Research 13 (October 28, 2024): 1286. http://dx.doi.org/10.12688/f1000research.156276.1.

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Background Drinking water of the right and approved quality is a basic requirement for the development of any civilization. According to SDG 6 it is crucial to provide every citizen with equitable water quality and quantity. Methods The study area is the smart city of Bhubaneswar with 67 wards and three zones: the north zone, south-west zone, and south-east zone with around 12.4 lakh population. To maintain the water quality in the supply pipeline in this city, which is always assumed to be safe, it needs to be examined within certain time intervals to check the contamination. In this context,

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Samal, Kshyana Prava, and Ashok Kumar Tarai. "Assessment of water quality in the piped water supply system by using Water Quality index method." F1000Research 13 (April 22, 2025): 1286. https://doi.org/10.12688/f1000research.156276.2.

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Background Drinking water of the right and approved quality is a basic requirement for the development of any civilization. According to SDG 6 it is crucial to provide every citizen with equitable water quality and quantity. Methods The study area is the smart city of Bhubaneswar with 67 wards and three zones: the north zone, south-west zone, and south-east zone with around 12.4 lakhs population. To maintain the water quality in the supply pipeline in this city, which is always assumed to be safe, it needs to be examined within certain time intervals to check the contamination. In this context

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Dhingra, S., CM Marya, A. Jnaneswar, and H. Kumar. "Fluoride Concentration in Community Water and Bottled Drinking Water: A Dilemma Today." Kathmandu University Medical Journal 11, no. 2 (2015): 117–20. http://dx.doi.org/10.3126/kumj.v11i2.12485.

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Background Because of the potential for contamination of municipal water supplies, people appear to be turning to alternative sources for their pure drinking water. Objectives The present study analyzed the fluoride concentration in community water and bottled drinking water sold in Faridabad city. Methods A comparative evaluation of fluoride content in community water supply and bottled drinking water was done using ion-selective electrode method. The community water samples were collected from six different areas (i.e. north zone, south zone, east zone, west zone and central zone) in the cit

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Li, Haixiang, and Xu-sheng Wang. "A Preliminary Study on a Pumping Well Capturing Groundwater in an Unconfined Aquifer with Mountain-Front Recharge from Segmental Inflow." Water 11, no. 6 (2019): 1243. http://dx.doi.org/10.3390/w11061243.

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Unconfined aquifers beneath piedmont pluvial fans are widely distributed in front of mountains and proper for water supply with pumping wells. However, the catchment zone and capture zones of a pumping well in such an unconfined aquifer is not well known. We develop a preliminary simplified model where groundwater flows between a segmental inflow boundary and a discharge boundary of constant head. The catchment zone is delineated from numerical simulation via MODFLOW and MODPATH. Results are expressed with dimensionless variables and lumped parameters to show general behaviors. Sensitive analy

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Zyoud, Shaher H., and Daniela Fuchs-Hanusch. "An Integrated Decision-Making Framework to Appraise Water Losses in Municipal Water Systems." International Journal of Information Technology & Decision Making 19, no. 05 (2020): 1293–326. http://dx.doi.org/10.1142/s0219622020500297.

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To mitigate the acute water shortage problems, water utilities are combating to find potential solutions. Water losses management in Water Supply Networks (WSNs) is amongst the prominent solutions. This work intends to develop a decision support framework to diagnose the criticality of WSNs according to an associated Water Loss Risk Index (WLRI) at pipe and zone levels. It utilized the Fuzzy Analytic Hierarchy Process (FAHP) to evaluate the influential factors that contribute to water losses. The Fuzzy Synthetic Evaluation Technique (FSET) has been utilized to assess WLRI at pipe level and Ord

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NEIRA-MUNOZ, E., C. OKORO, and N. D. McCARTHY. "Outbreak of waterborne cryptosporidiosis associated with low oocyst concentrations." Epidemiology and Infection 135, no. 7 (2007): 1159–64. http://dx.doi.org/10.1017/s0950268807008503.

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SUMMARYWater treatment plants in the United Kingdom at significant risk of cryptosporidiosis and using conventional filtration methods have been required to install 24-h monitoring systems since April 2000. No major waterborne outbreaks have been described since 2001. Small outbreaks have been associated with water. This paper describes such an outbreak. Data from a local multi-agency surveillance system was used to describe the outbreak, including mapping cases against water supply zones. A case-control study investigated hypotheses raised. All cases were genotype 1. Early cases were in the s

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Hayes, Colin R. "Computational modelling methods for assessing the risks from lead in drinking water." Journal of Water and Health 8, no. 3 (2010): 532–42. http://dx.doi.org/10.2166/wh.2010.112.

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Computational modelling methods have been used to predict the risks from lead in drinking water across a simulated supply zone, for a range of plumbosolvency conditions and a range of extents of occurrence of houses having a lead pipe, on the basis of five risk benchmarking methods. For the worst case modelled (very high plumbosolvency and 90% houses with a lead pipe) the percentage of houses at risk in the simulated zone ranged from 34.1 to 73.3%. In contrast, for a simulated phosphate-treated zone and 10% houses with a lead pipe, the percentage of houses at risk in the simulated zone ranged

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Istislyamov, Shamil A. "INDIVIDUAL HOUSING CONSTRUCTION IN THE ZONE OF SANITARY PROTECTION OF DRINKING AND HOUSEHOLD WATER SUPPLY SOURCES." Interexpo GEO-Siberia 7, no. 2 (2020): 47–52. http://dx.doi.org/10.33764/2618-981x-2020-7-2-47-52.

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The article describes the rules of legitimate individual housing construction in the zone of sanitary protection of sources drinking and household water supply, legal regimes in each zone of the sanitary protection zones for the construction and management of household activities, as well as responsibility for violations of the requirements established in the sanitary protection zone are studied.

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Yan, Zhenjun, Yirong Wang, Xu Hu, and Wen Luo. "Assessment and Enhancement of Ecosystem Service Supply Efficiency Based on Production Possibility Frontier: A Case Study of the Loess Plateau in Northern Shaanxi." Sustainability 15, no. 19 (2023): 14314. http://dx.doi.org/10.3390/su151914314.

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Enhancing the supply efficiency of ecosystem services plays a central role in improving both natural ecosystems and human well-being. Taking the Loess Plateau of Northern Shaanxi as an example, this study utilizes InVEST to assess the ecosystem services of water yield and habitat quality. The optimal solutions for the combination of these two services are calculated on the basis of the Pareto principle. The production possibility frontier curves for the two services are fitted, and the services’ supply efficiency is measured. Furthermore, this study employs ordinary least squares and geographi

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Yalaletdinova, A. V., M. A. Malkova, A. I. Samus, and E. A. Kantor. "COMPARISON OF POPULATION MORBIDITY IN SOME WATER SUPPLY ZONES OF A LARGE URBAN AGGLOMERATION AND PERMANGANATE OXIDIZABILITY OF DRINKING WATER." Problems of Gathering Treatment and Transportation of Oil and Oil Products, no. 6 (December 21, 2023): 174–86. http://dx.doi.org/10.17122/ntj-oil-2023-6-174-186.

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There has been researched the relationship between permanganate oxidizability of drinking water and the primary and total population turnover in polyclinics of the city, located in the areas supplied with drinking water from surface water intake, infiltration water intake, as well as in the area located in the mixing zone of water from surface and infiltration water intakes, for the following diseases: malignant neoplasms, blood diseases, endocrine diseases, diseases of the circulatory system, respiratory diseases, diseases of the digestive organs, skin diseases. The method of correlation and

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Iwuala, Chimezie C., Agwu N. Amadi, Obinna G. Udujih, Helen I. Udujih, and Okereke, S. N. "A Study on Sources, Availability and Accessibility of Potable Water in Imo State, Nigeria." World Journal of Social Science Research 7, no. 1 (2020): p1. http://dx.doi.org/10.22158/wjssr.v7n1p1.

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Sources, availability and accessibility of potable water were studied in the three geopolitical zones; Okigwe, Owerri, Orlu zones of Imo State, Nigeria. A total of 800 pretested and randomly distributed questionnaires were used on adult respondents in the three zones. Results identified borehole water as the major (65.4%) source of drinking water among the respondents. More than half (53.8%) of the respondents have their water source located less than 50m from their houses, of which 33% have their boreholes located within their compounds. About half of the respondents visit water bodies daily.

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Dahl, N. J. "Base Flow and Water Supply." Hydrology Research 16, no. 5 (1985): 309–24. http://dx.doi.org/10.2166/nh.1985.0023.

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The interaction between the base flow created by seepage through the unsatu++rated zone in a region between two parallel rivers and the flow caused by the gaining of water from wells positioned at arbitrary points over the region is analysed. Normally both flows are non-steady but, for the sake of simplicity, the base flow is here assumed to be steady whereas the yield of water from the single well is assumed to be a free function of time defined by the actual consumption which assumption leads to a non-steady flow towards the wells. A special result of the analysis is that it becomes possible

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Zhou, S. L., T. A. McMahon, A. Walton, and J. Lewis. "Forecasting operational demand for an urban water supply zone." Journal of Hydrology 259, no. 1-4 (2002): 189–202. http://dx.doi.org/10.1016/s0022-1694(01)00582-0.

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Alfaisal, Faisal M., Shamshad Alam, Raied Saad Alharbi, et al. "Application of an Optimization Model for Water Supply Chain Using Storage Reservoir Operation for Efficient Irrigation System." Discrete Dynamics in Nature and Society 2023 (January 31, 2023): 1–13. http://dx.doi.org/10.1155/2023/7932653.

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The model was created to assist in the appropriate allocation of water to produce crops to optimize net profit through monthly reservoir operation. The model maximizes net crop revenue and determines the type and size of the cultivated crop for each zone, taking into account monthly reservoir water availability. The following factors constrain the optimization model: (1) monthly reservoir water availability; (2) monthly water demand and irrigated farmland for crops; (3) limited crop areas in each zone; (4) projected final storage; (5) proportional sharing rule (PSR) for each zone. The linear p

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Kitaev, D. N., and A. R. Bohan. "Average Annual Water Temperatures in Heating Networks Cryolithozones." Proceedings of the Southwest State University 28, no. 1 (2024): 44–56. http://dx.doi.org/10.21869/2223-1560-2024-28-1-44-56.

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Purpose of research. For settlements located in the permafrost zone on the territory of the Russian Federation, obtain the values of average annual water temperatures in heating networks of centralized heating systems separately for the supply and return mains using design water temperatures in the range from 95 to 150 ° C, taking into account modern climatic data and the indicators of the heating systems used devices.Methods. To achieve the set goals, methods of central high-quality regulation of the load of the thermal energy consumer were used, based on the heat balance equation. To find th

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Shevchenko, A. M., R. P. Bozhenko, and S. M. Lyutnitsky. "Typification of Kherson region by water availability for irrigation and its environmental consequences." Міжвідомчий тематичний науковий збірник "Меліорація і водне господарство", no. 1 (June 28, 2022): 60–70. http://dx.doi.org/10.31073/mivg202201-314.

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. The article presents the results of regional typification for the Kherson region by water availability for irrigation, taking into account the possible environmental risk as a result of the increase in irrigated area. The grouping of the territories previously differentiated by water availability into the following subtypes was performed: low rate of natural surface and groundwater water availability; sufficient rate of groundwater availability variously suitable for irrigation; high level of transit river flow availability; provided water supply of different quality from irrigation sources.

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Gurung, Thulo Ram, Rodney A. Stewart, Cara D. Beal, and Ashok K. Sharma. "Investigating the Financial Implications and Viability of Diversified Water Supply Systems in an Urban Water Supply Zone." Water Resources Management 30, no. 11 (2016): 4037–51. http://dx.doi.org/10.1007/s11269-016-1411-x.

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Mohammadi, Ali, Mohammadreza Jalili-Ghazizadeh, Iman Moslehi, and Ehsan Yousefi-Khoshqalb. "Survival analysis of water distribution network under intermittent water supply conditions." Water Supply 20, no. 8 (2020): 3531–41. http://dx.doi.org/10.2166/ws.2020.228.

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Abstract Intermittent water supply (IWS) is established temporarily or continuously in many water distribution networks (WDNs) worldwide due to prolonged drought, low rainfall periods, water scarcity and high level of leakage. IWS causes several adverse consequences on the network operation, resulting in ineffective supply and demand management. This paper presents a survival analysis of the network elements, including water mains, service connections, and valves using the Kaplan-Meier approach to determine the survival probability and the probability of failure rates of events of interest. Th

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Sahakyan, Aram. "Water Supply Network Zoning Procedure Development Considering Local Conditions." Journal of Architectural and Engineering Research 4 (June 9, 2023): 24–31. http://dx.doi.org/10.54338/27382656-2023.4-002.

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The methods of performing zoning implemented in the water supply networks of various settlements in RA have been continuously improved over the past years and are currently carried out by a procedure developed by us, which has increased the efficiency of the water supply system operation.We have implemented this to increase the efficiency of the water supply system. There are several principles for the zoning of the water supply network's concepts in the literature, but using the current techniques only reduces the volume of water provided to the zone by 8 to 10 percent and the time of supply

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Matviienko, Olha, and Polina Spichak. "METHOD OF INCREASING THE EFFICIENCY OF THE WATER SUPPLY NETWORK DUE TO ITS ZONING." Innovative Technologies and Scientific Solutions for Industries, no. 1 (23) (April 20, 2023): 83–95. http://dx.doi.org/10.30837/itssi.2023.23.083.

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The goal of the work is to use a stochastic model of quasi-stationary modes of water supply network to reduce excess pressure in the water supply network by establishing pressure regulators at the entrances to the selected zones. The subject of research in the article is the optimization of the structure of water supply network by zoning. The article discusses the task of optimal zoning of water supply networks, which consists of two subtasks: allocation in the water supply network of isolated zones of nodes with excess pressure exceeding a given value; calculation of the parameters of pressur

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Zhu, Jie, Xiaohui Lei, Jin Quan, and Xia Yue. "Algae Growth Distribution and Key Prevention and Control Positions for the Middle Route of the South-to-North Water Diversion Project." Water 11, no. 9 (2019): 1851. http://dx.doi.org/10.3390/w11091851.

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The Middle Route of the South-to-North Water Diversion Project (MRP) is an important water supply for 20 large cities and 100 counties in Northern China. However, since 2016, the growth of large filamentous algae clusters has threatened the safety of the main canal water supply and water quality. In this study, a field investigation, monitoring, and hydrodynamic simulation were performed to analyze the hydrodynamic habitat conditions in areas with vigorous algae growth and establish a relationship between the hydrodynamic habitat conditions of the main canal and the growth, distribution, and c

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Dandadzi, Pardon, Zvikomborero Hoko, and Tamuka Nhiwatiwa. "Investigating the occurrence of algae in the drinking water supply system of Harare, Zimbabwe." Journal of Water, Sanitation and Hygiene for Development 10, no. 2 (2020): 179–90. http://dx.doi.org/10.2166/washdev.2020.102.

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Abstract This study assessed the quality of drinking water in the water supply system for the City of Harare (Zimbabwe) by investigating the occurrence of algae and other water quality parameters that affect its growth. At Morton Jaffray Water Treatment Works (MJWTWs), samples were collected from the raw water inlet and treated water outlet points. In the distribution system, samples were collected from selected sites and grouped into four zones (1, 2, 3 and 4). The algal taxonomic groups that were found in both raw and treated water comprised of Cyanophyceae, Chlorophyceae, Bacillariophyceae,

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Ryltseva, Yuliya A. "Special aspects of design solutions for indoor water supply systems of high-rise buildings." Vestnik MGSU, no. 11 (November 2022): 1499–512. http://dx.doi.org/10.22227/1997-0935.2022.11.1499-1512.

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Introduction. The subject of research is indoor cold water supply systems of high-rise buildings. They have a complex structure due to unique architectural features, the need to pump water to higher floors and compliance with reliability requirements applicable to engineering systems. High-rise buildings are often multi-functional, and this characteristic is implemented in the process of designing indoor water supply systems: it is necessary to take into account various classes of functional fire hazards typical for different areas inside a building, and equip individual rooms with automatic

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Kuzmych, Lyudmyla, Galyna Voropay, Nelya Moleshcha, and Olena Babitska. "Improving Water Supply Capacity of Drainage Systems at Humid Areas in the Changing Climate." Archives of Hydro-Engineering and Environmental Mechanics 68, no. 1 (2021): 29–40. http://dx.doi.org/10.1515/heem-2021-0003.

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Abstract The paper focuses on research on improving the water supply of drainage systems of humid areas in the context of climate change. The aim of the research is to elaborate on the ways for increasing the available water supply of drainage systems and restoring active water regulation on reclaimed lands in a changing climate. The paper presents the results of the research on improving the available water supply of drainage systems in the humid zone of Ukraine in a changing climate. It was specified in the face of increasing water scarcity providing the optimal water regime regulation on dr

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Cui, Haohao, Jinyu Shang, Xujuan Lang, Guanghui Zhang, Qian Wang, and Mingjiang Yan. "Characteristics and Mechanisms of the Impact of Heterogeneity in the Vadose Zone of Arid Regions on Natural Vegetation Ecology: A Case Study of the Shiyang River Basin." Sustainability 17, no. 14 (2025): 6605. https://doi.org/10.3390/su17146605.

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As a critical link connecting groundwater and vegetation, the vadose zone’s lithological structural heterogeneity directly influences soil water distribution and vegetation growth. A comprehensive understanding of the ecological effects of the vadose zone can provide scientific evidence for groundwater ecological protection and natural vegetation conservation in arid regions. This study, taking the Minqin Basin in the lower reaches of China’s Shiyang River as a case, reveals the constraining effects of vadose zone lithological structures on vegetation water supply, root development, and water

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Kandra, Branislav, Andrej Tall, Milan Gomboš, and Dana Pavelková. "Quantification of Evapotranspiration by Calculations and Measurements Using a Lysimeter." Water 15, no. 2 (2023): 373. http://dx.doi.org/10.3390/w15020373.

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Evapotranspiration is one of the key elements of water balance in nature. It significantly influences the water supply in the unsaturated zone of a soil profile. The unsaturated zone is a water source for the biosphere. The aim of this study is to measure, calculate and analyze the course of actual evapotranspiration, precipitation and dew totals as well as the totals of water flows at the lower boundary of unsaturated zone and the change in water content in specified soil volume. The measurements are used for verifying the results of numerical simulation. The methods used in the study were ch

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Vo, Tuan Anh. "Research solutions technical - water technology to reduce the water loss for water supply system of Hochiminh city." Science and Technology Development Journal 16, no. 1 (2013): 49–57. http://dx.doi.org/10.32508/stdj.v16i1.1387.

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The HCMC water supply system have built from the French Colonial period, and developed without planning and systematic study during the war time. In the beginning, this system used for the small town Saigon- Gia Dinh. Today, the capacity of water supply system is 1,85 million m3/day and will increase up to 2,5 million in next few year and up to 4-5 million m3/day according with the HCMC water supply system planning approved by Government. The climate change issues, salt water lever increase, polution... affect directly into the raw water resource of the existing and future water treatment plan

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Zhang, Hongjuan, Juan Feng, Zhicheng Zhang, Kang Liu, Xin Gao, and Zidong Wang. "Regional Spatial Management Based on Supply–Demand Risk of Ecosystem Services—A Case Study of the Fenghe River Watershed." International Journal of Environmental Research and Public Health 17, no. 11 (2020): 4112. http://dx.doi.org/10.3390/ijerph17114112.

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The supply–demand risk assessment of ecosystem services (ES) can identify the supply–demand risk level, which is very important for the sustainable management of regional ES. In this study, taking the Fenghe River watershed (FRW) as a case, based on the status and the change trend of the supply–demand ratio of ES, and the ES supply change trend, the supply–demand risk level of food provision (FP), water yield (WY), soil retention (SR), and climate regulation (CR) are evaluated, and the risk management zones of the FRW are divided using spatial superposition. The results show that: (1) The supp

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M. Venu, Miss. "P-DELTA ANALYSIS OF RCC WATER TANK IN DIFFERENT SEISMIC ZONES." International Scientific Journal of Engineering and Management 04, no. 04 (2025): 1–7. https://doi.org/10.55041/isjem03078.

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Abstract - Elevated Water tank structures also known as Over Head Tanks (OHT) or Elevated Service Reservoir (ESR) are required to store the clear water or drinkable water that is coming from the Water treatment plant unit. These tanks will be used to supply drinkable water to households. ESR can be in different types in shape like Rectangular or Circular or Intze. Since these are elevated structures, these should not be treated like regular structures and analysis of these structures shouldn’t be done in linear static analysis only. Non-linearanalysis should be done insuch a way that, behaviou

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De la Cruz-Ávila, M. De la, I. Carvajal-Mariscal, Leonardo Di G. Sigalotti, and Jaime Klapp. "Numerical Study of Water-Oil Two-Phase Flow Evolution in a Y-Junction Horizontal Pipeline." Water 14, no. 21 (2022): 3451. http://dx.doi.org/10.3390/w14213451.

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The work aims to numerically evaluate different injection configurations for the analysis of a two-phase flow behavior and evolution through a staggered Y-junction pipeline. To minimize agglomeration between inlets, the injection zones have a separation distance, avoiding areas with eddies or swirls owing to strong turbulence. Six input scenarios were examined accordingly with injection system experimental data. Results show significant variations because the main fluid develops a swirl over the pipe center. This is generated immediately after the phases’ supply zone due to the oil-phase becau

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Li, Jinxiao, Guijun Zhang, Pengtao Zhang, Siyu Jing, and Jie Dong. "Simulation and Zoning Research on the Ecosystem Service in the Beijing–Tianjin–Hebei Region Based on SSP–RCP Scenarios." Land 12, no. 8 (2023): 1536. http://dx.doi.org/10.3390/land12081536.

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Understanding future trends and identifying characteristic differences in regional ecosystem services (ESs), in addition to ecological zoning, is vital for promoting the adjustment of ecological policy and the construction of sustainable ecosystems. Based on shared socioeconomic pathways and representative concentration pathways (SSP–RCP), the spatial distribution pattern of land use in the Beijing–Tianjin–Hebei region (BTH) in 2030 was simulated by using a patch-generating land use simulation model (PLUS) in this study. Water yield, carbon storage, habitat quality, and food product were simul

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Jima, Abdisa Olkeba. "Practices and Challenges of Good Governance Packages in Bule Hora Town Water Supply, West Guji Zone, Ethiopia." PanAfrican Journal of Governance and Development (PJGD) 4, no. 1 (2023): 85–109. http://dx.doi.org/10.46404/panjogov.v4i1.4483.

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The issue of good governance has become a concern of scholars across the world. Developing countries like Ethiopia are affected by the challenges of good governance because of weak mitigation mechanisms. Specifically, the issues of water governance have gotten the attention of scholars recently. This research scrutinizes the Bule Hora town’s status of water and the practices and challenges of good governance in the water supply. The study employed both qualitative and quantitative methods. A researcher selected a sample of 99 participants from Bule Hora town households through a systematic ran

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Iwanek, Małgorzata, and Paweł Suchorab. "Feasibility of Using Hypothetical Fractal Structures to Determine Water Outflow Zones After a Pipe Failure." Sustainability 16, no. 23 (2024): 10640. https://doi.org/10.3390/su162310640.

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Failures of water supply pipes are undesirable events with a random nature, yet they are an inevitable part of the operation of water infrastructure. Therefore, ongoing research is being conducted to develop methods for minimising their effects or securing underground infrastructure. One of the methods of limiting the effects of the suffosion phenomenon is determination of the water outflow zone, within which water will possibly flow to the soil surface after a pipe leak. The aim of this paper was to assess hypothetical structures created by outflowing water in terms of their potential use in

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El Achi, Nassim, and Michael J. Rouse. "A hybrid hydraulic model for gradual transition from intermittent to continuous water supply in Amman, Jordan: a theoretical study." Water Supply 20, no. 1 (2019): 118–29. http://dx.doi.org/10.2166/ws.2019.142.

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Abstract Intermittent water supply (IWS) is associated with numerous negative consequences with respect to health and access along with technical impacts that aggravate the sustainable supply of water, thus rendering Sustainable Development Goal 6.1 (SDG 6.1) hardly achievable. The gradual, or zone-by-zone, transition from IWS to continuous water supply is very effective in terms of economic scarcity. This work focused on designing a theoretical ‘hybrid’ hydraulic model where both types of services, intermittent and continuous, were included in the modelling. The preliminary, not calibrated mo

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Li, Yanbin, Ke Sun, Ruyi Men, et al. "Study on the Optimization of Multi-Objective Water Resources Allocation in the Henan Yellow River Water Supply Zone." Water 15, no. 22 (2023): 4009. http://dx.doi.org/10.3390/w15224009.

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With the continuous growth in the global population, rapid socioeconomic development, and the impacts of factors like climate change, we are facing increasingly severe challenges regarding water scarcity. The scientific and rational allocation of water resources has become a key factor in ensuring sustainable development. The Henan Yellow River water supply zone occupies a crucial position in the socioeconomic development of Henan Province. Currently, there is a shortage of water resources with relatively low utilization rates. To alleviate the contradiction between water supply and demand, a

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Adetayo, A. O. "Assessment of Impact Rainfall Variability on Water Supply in Ibadan South West Local Government Area, Oyo State, Nigeria." Journal of Applied Sciences and Environmental Management 25, no. 8 (2021): 1385–88. http://dx.doi.org/10.4314/jasem.v25i8.15.

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The effect of rainfall variability on water supply in Ibadan South West L.G.A was investigated in this study. Data collected were analyzed using descriptive statistics, correlation and regression analysis. The result of the analysis shows that there is a weak positive relationship between annual rainfall received and the public water supply in the study area during the selected (2006-2020) years. The results obtained from the computation of correlation were used to test for the validity of the first hypothesis. It was discovered that water demand by each household is almost similar from zone t

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Sama, Sujan. "Design and Optimization of Water Distribution Network Using Watergems Software: A Case Study of Adhewada, Bhavnagar." International Journal for Research in Applied Science and Engineering Technology 13, no. 4 (2025): 1404–10. https://doi.org/10.22214/ijraset.2025.68532.

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This research focuses on the analysis and optimization of the water distribution network in Zone 5 of the Adhewada area, Bhavnagar, where water is supplied through a zone-wise and time-based system. The increasing population, rising water demand, and the need for structured infrastructure development have made it necessary to redesign the existing system. Current sources are inadequate to meet the minimum requirement of 140 liters per capita per day (lpcd), highlighting the need for a reliable and sustainable water supply solution. Real-time data was collected from the Bhavnagar Municipal Corp

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Liu, Dong-Ming, and Shao-Yuan Li. "Predictive zone control of pressure management for water supply network systems." International Journal of Automation and Computing 13, no. 6 (2016): 607–14. http://dx.doi.org/10.1007/s11633-015-0935-5.

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Chen, Feiyan, Ling Li, Jiqiang Niu, Aiwen Lin, Shiyu Chen, and Lin Hao. "Evaluating Ecosystem Services Supply and Demand Dynamics and Ecological Zoning Management in Wuhan, China." International Journal of Environmental Research and Public Health 16, no. 13 (2019): 2332. http://dx.doi.org/10.3390/ijerph16132332.

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The concept of ecosystem services (ES) supply and demand has attracted increasing attention in science and policy making because it effectively links ecosystem services to human well-being. The imbalance of ES supply and demand in urban areas has become a key issue in regional sustainable development. In this context, we calculated ES supply and demand for Wuhan City, China, using the ES supply and demand ratio (ESDR) and the comprehensive ES supply–demand ratio (CESDR) to express the relationship between ES supply and demand. Ecological zoning was proposed according to the spatial differentia

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Salih, Ata O., and Diary A. Al-Manmi. "Strategies for Sustainable Water Management." ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY 12, no. 2 (2024): 107–18. http://dx.doi.org/10.14500/aro.11435.

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Groundwater in the Rania basin, Iraqi Kurdistan region, has been under intensive exploitation in the last two decades, where quantity and quality are both affected. Hence, any attempt to protect the aquifers has become an urgent need. Saruchawa, Qulai Rania, and Qulai Kanimaran are the three large springs, among dozens of others in the area, that are heavily relied on as the sole or main source of water supply. Hydrochemical analysis, the first and most practical step to evaluating the water quality, was carried out through 60 water samples collected from 13 springs and 17 wells in both dry an

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Xing, Zi Qiang, Wei Hua Xiao, Deng Hua Yan, and Cai Lian Hao. "Analysis of Water Resource Carrying Capacity in the Ecological Economic Zone of Dongting Lake." Applied Mechanics and Materials 535 (February 2014): 241–49. http://dx.doi.org/10.4028/www.scientific.net/amm.535.241.

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In this study, the supportable maximum GDP/ population and the water poverty status were analyzed using the dual indices calculation model and the water poverty index in the Ecological Economic Zone of Dongting Lake in the different planning level years. The results showed that the supportable maximum GDP and population keep on increasing in the Ecological Economic Zone of Dongting Lake in the planning level years, and that in the Yueyang, Changde and Yiyang was the three maximum. On the other hands, the water poverty status in the Ecological Economic Zone of Dongting Lake was improved in the

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Greene, RSB. "Soil physical properties of three geomorphic zones in a semiarid mulga woodland." Soil Research 30, no. 1 (1992): 55. http://dx.doi.org/10.1071/sr9920055.

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Soil physical properties were measured in three contiguous geomorphic zones of a patterned sequence of alternating groves and intergroves in a semi-arid mulga (Acacia aneura) woodland : (1) a runoff zone of stony, severely sealed, surface soil, (2) an interception zone at the bottom of the runoff zone, and adjoining (3) a runon zone of mulga groves. Infiltration was measured in the field under unsaturated and saturated conditions using a disc permeameter at water supply potentials of -40 and +10 mm respectively. Under unsaturated flow conditions, there were no significant differences in the so

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Allahverdiyeva, K. "Quality of Qanat Water in Ganja-Kazakh Zone." Bulletin of Science and Practice 7, no. 6 (2021): 80–86. http://dx.doi.org/10.33619/2414-2948/67/11.

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The article is devoted to the issue of assessing the water quality of the qanats operating in the Ganja-Kazakh zone. It has been established that the salinity of the waters of the operating qanats varies from 0.3 to 0.94 g / l and their chemical composition is very favorable. The total alkalinity of qanat waters does not exceed the permissible limit and its value is 4–7 mg-eq/l, is transparent, does not have a specific odor, there are no heavy metals and other harmful ingredients in the water. The value of the irrigation coefficient is high and is 15–84. According to all quality indicators, th

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Lytov, M. N. "Model of soil moistening during wide-row crops drip strip irrigation." IOP Conference Series: Earth and Environmental Science 1069, no. 1 (2022): 012020. http://dx.doi.org/10.1088/1755-1315/1069/1/012020.

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Abstract The study is devoted to modeling the soil moisture zone formation during agricultural crops drip strip irrigation, taking into account the system-dynamic processes of moisture distribution during irrigation and in the inter-irrigation period. The working hypothesis of the study was the assumption that, due to the point method of water supply and the radial subsurface moisture distribution, the replenishment of soil moisture reserves within the boundaries of the humidification zone occurs unevenly and this must be taken into account when developing irrigation techniques for agricultura

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