scholarly journals Application of networked water balance model in refined management of steel industrial park

2021 ◽  
Author(s):  
Yurong Wang ◽  
Linyuan Li ◽  
Wentao He ◽  
Xinli Zhang ◽  
Xuanjin Li ◽  
...  
Keyword(s):  
Water Resources ◽  
Water Balance ◽  
Water Resources Management ◽  
Water Consumption ◽  
Industrial Park ◽  
Pipe Network ◽  
Iron And Steel ◽  
Resources Management ◽  
Production Processes ◽  
Industrial Parks

Abstract Water shortages has become a major constraint on China's industrial development. Iron and steel industrial parks have a huge demand for water resources and complex production technologies. Therefore, it is very important to study the distribution, transfer and loss of water resources in industrial parks in order to improve the ability of refined water resources management. The purpose of this study is to reveal the water flow in industrial parks by using the principle of water balance and to provide a method for quantification and characteristic recognition of water resources in industrial production processes. In this research, an iron and steel industrial in North China was chosen as the case study. In order to calculate the water balance of the whole steel production processes, the industrial park was divided into 4 levels and 110 water units according to the pipe network system and production processes. Based on the results of multi-level and multi-node water balance, this paper analyzed the water intake structure and water consumption structure of industrial parks, and provided the methods to optimize the allocation of water resources and reduce the consumption of fresh water in industrial production process. The results of the study showed that the energy department accounted for 60.8% of the total water withdrawal of the industrial park. There was 6,249 m3/day of fresh water in the industrial park, which can be replaced by reclaimed water from urban sewage. Evaporation and pipe network leakage were the main water consumption factors in the steel park, which contribute 91.3% of the water consumption. Under the guidance of the research results, the evaporation water consumption of the industrial park was reduced by 8,412 m3/day, and pipe leakage was reduced by 600 m3/day. This article demonstrates the application of water balance principle in complex water use systems, which is helpful for water resources management based on water use process.

scholarly journals Water resources management in the watershed of Volvi Lake

2013 ◽  
Vol 7 (3) ◽  
pp. 379-385
Keyword(s):  
Water Resources ◽  
Water Balance ◽  
Water Resources Management ◽  
Management Program ◽  
Corporate Management ◽  
Northern Greece ◽  
Resources Management ◽  
Management Plans ◽  
Rational Management ◽  
The Creation

The decrease of available water resources, the water quality degradation as well as the rapid increase of population combined with the growth of human activities, impose today the development of a science that concerns the Management of Water Resources. Lake Volvi faces a lot of problems, the most important being the water level drop, which is mostly due to the big quantities of water flowing through to Rihios River and to the wrong management of irrigation water. The study area of the present research consists of the watershed of Lake Volvi, situated in Northern Greece, 39 km away from the city of Thessaloniki. The objective of this study is the estimation of the water balance of the hydrologic basin of Lake Volvi with a Corporate Management program, using Visual Fortran and the creation of scenarios for better management of the water resources of the region. Lake Volvi is situated next to Lake Koronia, both of them belonging to a wider region that forms the geological basin of Mygdonia. Lake Volvi is the recipient of the water draining from Lake Koronia. The water that drains from Lake Volvi is discharged into the gulf of Strymonikos through Rihios River. Firstly, a close analysis is attempted for the estimation of the water balance of the entire hydrologic basin of Lake Volvi with the method of Turc, which is used widely throughout the world. Next, in order to simulate the lake, an administrative model is used, written in Visual Fortran. A rational management of the hydrological elements of the region is attempted with the creation of four alternative scenarios. After the execution of the Corporate Management program, the results show that the main problem for Lake Volvi is the water leaking to Rihios River. Moreover, the research also shows that it is important to reduce the water used for irrigation. As a final result, it is an imperative need to develop water resources management plans for the restoration of the entire region.

The Regulation and Management of Water Resources in Groundwater Over-extraction Area based on ET

2021 ◽  
Author(s):  
fawen li ◽  
Wenhui Yan ◽  
Yong Zhao ◽  
Rengui Jiang
Keyword(s):  
Water Resources ◽  
Water Resources Management ◽  
Water Consumption ◽  
Water Saving ◽  
Green Water ◽  
Blue Water ◽  
Crop Water ◽  
Total Rainfall ◽  
Resources Management ◽  
Crop Water Consumption

Abstract Because of the shortage of water resources, the phenomenon of groundwater over-extraction is widespread in many parts of the world, which has become a hot issue to be solved. The traditional idea of water resources management only considering blue water (stream flow) can't meet the demand of sustainable utilization of water resources. Blue water accounts for less than 40% of total rainfall, while green water (evapotranspiration) accounts for more than 60% of total rainfall. In the natural environment, vegetation growth mainly depends on green water, which is often neglected. Obviously, the traditional water resources management without considering green water has obvious deficiencies, which can't really reflect the regional water consumption situation in the water resources management. And only by limiting water consumption can achieve the real water saving. In addition, the mode of water resources development and utilization has changed from "supply according to demand" to "demand according to supply". In this background, for many regions with limited water resources, it is impossible to rely on excessive water intake for development, and sustainable development of regional can only be realized by truly controlling water demand. This paper chooses Shijin Irrigation District in the North China Plain as the research area, where agricultural water consumption is high and groundwater over-extraction is serious, and ecological environment is bad. In order to alleviate this situation, comprehensive regulation of water resources based ET is necessary. Therefore, this paper focuses on the concept of ET water resources management and includes green water into water resources assessment. Based on the principle of water balance, the target ET value of crops in the study area is calculated, and the ET value is taken as the target of water resources regulation. The actual water consumption is calculated by Penman-Monteith formula, and reduction of crop water consumption is obtained according to the difference between actual ET and target ET. The reduction in crop water consumption leads to a reduction in demand for water supply, which reduces groundwater extraction. The results of this study can provide necessary technical support for solving the problem of groundwater over-extraction and realizing real water saving.

Impact of thinning on the water balance of a catchment in a Mediterranean environment

2003 ◽  
Vol 79 (2) ◽  
pp. 301-306 ◽  
Author(s):  
Giovanni Callegari ◽  
Ennio Ferrari ◽  
Giuseppe Garfì ◽  
Francesco Iovino ◽  
Antonella Veltri
Keyword(s):  
Water Resources ◽  
Water Balance ◽  
Water Resources Management ◽  
Basal Area ◽  
Mediterranean Area ◽  
Small Catchment ◽  
Resources Management ◽  
Before And After ◽  
Pinus Laricio ◽  
The Impact

A study on the impact of silvicultural practices on the water balance was carried out in a watershed in Calabria, southern Italy, the prevalent cover of which is Calabrian pine stands. A thinning was carried out in 1993, which removed 50% of the total number of trees (about 30% of the basal area), and the catchment hydrological response before and after the intervention was compared. After thinning, differences were observed in yearly runoff, with a significant increase in groundwater flow during spring and summer. In light of this evidence, we assume that silvicultural interventions can contribute significantly to improve water resources management, particularly in regions with a long dry season, as in the Mediterranean area. Key words: Pinus laricio, runoff, small catchment, thinning, water resources management

scholarly journals Water permit integration in the Paraguaçu River Watershed (Bahia)

RBRH ◽  
2017 ◽  
Vol 22 (0) ◽  
Author(s):  
Gisele Oliveira Mota da Silva ◽  
Yvonilde Dantas Pinto Medeiros ◽  
Andrea Sousa Fontes ◽  
Suzana Maria Gico Lima Montenegro
Keyword(s):  
Water Resources ◽  
Water Balance ◽  
Water Resources Management ◽  
Balance Control ◽  
Water Discharge ◽  
The State ◽  
Water Withdrawal ◽  
River Watershed ◽  
Resources Management ◽  
The Moment

ABSTRACT In Brazil, water regulatory agencies adopt two different methodologies of equating water balance for the purposes of water permits: one that considers the uses for surface water withdrawal and waste water discharge in an integrated way, and one that analyses these two uses as demands that do not relate with each other. In the state of Bahia, this analysis disregards the integration of quantitative and qualitative uses. Furthermore, at the moment, there are not internal procedures that enable the integration of the water permit with other water resources management instruments. In this context, the aim of this work consists of analysing the advantages and limitations of the implementation of the equating methodology that integrates the quali-quantitative analysis of the water balance for purposes of water permit, compared with current procedures in the state of Bahia. For this analysis, a diagnosis of use of the Paraguaçu River Watershed (BHRP) was developed through the Water Balance Control System (SCBH), simulating the two methodologies and comparing potential water use index. The results reinforce that the methodology of equating the quali-quantitative water balance does not represent an advance for water resources management when the other instruments, present in the State Water Resources Policy, are not integrated with the water permit.

scholarly journals Remote Sensing and Geospatial Models to Simulate Land Use and Land Cover and Estimate Water Supply and Demand for Water Balancing in Phuket Island, Thailand

2021 ◽  
Vol 11 (22) ◽  
pp. 10553
Author(s):  
Nattapong Puangkaew ◽  
Suwit Ongsomwang
Keyword(s):  
Remote Sensing ◽  
Water Resources ◽  
Water Balance ◽  
Water Supply ◽  
Water Resources Management ◽  
Water Scarcity ◽  
Water Demand ◽  
Water Requirements ◽  
Resources Management ◽  
Ecological Water Requirements

Currently, Phuket Island is facing water scarcity because water demand for consumption was approximately 51 million m3/year, whereas water supply was only about 46 million m3/year. Thus, the study of water supply, demand and balancing are important for effective water resources management. This study aims to simulate the LULC data using the CLUE-S model, estimate water supply using the SWAT model, and calculate water demand using a water footprint basis for water balancing on the Island. In addition, tourist water demand was separately estimated under normal and new normal conditions (COVID-19 pandemic) to fit with the actual situation at national and international levels. Water balance results with the consideration of ecological water requirements suggest that a water deficit occurs every year under the dry year scenario in normal and new normal conditions. In addition, the monthly water balance indicates that a water deficit occurs in the summer season every year, both without and with the consideration of ecological water requirements. Consequently, it can be concluded that remote sensing data with advanced geospatial models can provide essential information about water supply, demand, and balance for water resources management, particularly water scarcity, in Phuket Island in the future. Additionally, this study’s conceptual framework and research workflows can assist government agencies in examining water deficits in other areas.

scholarly journals Municipal water resources management: evaluation of water consumption by car wash facilities in Bauchi Town, Nigeria

2016 ◽  
Vol 20 (2) ◽  
pp. 363-366
Author(s):  
Sylvester Odiana ◽  
Monday Onoja ◽  
Ernest Ebun-Igbeare
Keyword(s):  
Water Resources ◽  
Water Supply ◽  
Water Resources Management ◽  
Water Consumption ◽  
Current Trend ◽  
Resources Management ◽  
Municipal Water Supply ◽  
Water Board ◽  
Municipal Water ◽  
Car Wash

Car wash can be defined as a facility used to clean the exterior and in some cases, the interior of motor vehicles. These facilities are common in Bauchi and other cities in Nigeria. They use water as a major input thereby causing serious challenges to water resources management. Car wash facilities in Bauchi depend on municipal water supply by water board. The study aimed at determining the rate of municipal water consumption by car wash facilities in Bauchi. It was carried out by measuring the volume of water used in washing cars by some selected car wash facilities in the town using both bucket and hose methods. The data collected were analysed using statistical method such as random sampling techniques and simple descriptive method like Tables, Figures and mean. The result shows that 1,710,091.2L is withdrawn daily from the municipal water supply by car wash facilities. This is more than the quantity of water serving zone ‘L’ of the 16-zones of Bauchi Water Demand Zones. It also shows that the use of hose consume 441.2L/day and the use of bucket consume 115.5L/day which indicate that more water is wasted using hose method. Therefore, car wash facilities consume significant amount of water supplied by the Water Board. If the current trend continues and with the proliferation of car wash in Bauchi, there will be water shortage to the populace who are the primary beneficiaries.Keywords: car wash, Bauchi, input,Water Board, consumption, volume

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