Analysis of Factors Affecting Water Consumption in Jeddah City

Author(s):  
Hamed A. Wardak ◽  
Seraj Yousef Abed
2017 ◽  
Vol 35 (1) ◽  
pp. 49-56 ◽  
Author(s):  
Saeed Gholamrezai ◽  
Fatemeh Sepahvand

AbstractOne of the main challenges of water scarcity is the water consumption in the agriculture sector. Therefore, optimizing water consumption and applying an optimal management in the agriculture sector is necessary. The implementation of a participatory management of water resources in the rural areas and the creation of Water User Association (WUA) can be a successful approach towards this management. That requires the continuity of the management, the comprehensive participation of farmers, and the exploitation of water resources; however, this action needs to understand the factors affecting the behavior of consumers. Thus identifying the factors influencing farmers’ intentions towards participation in WUA is essential. The purpose of this study is to identify factors affecting farmers' intentions towards participation in water user association, by theory of planned behavior (TPB). There are 21 agriculture water pumping stations active in Lorestan Province. Farmers at each agriculture water pumping stations make up a Water User Association. The population of this study consisted of all WUAs in western Iran (N = 1990), and through a proportional stratified random sampling technique farmers were selected (N = 133) from the population. Moreover, the validity of the questionnaire was confirmed by a panel of experts. The reliability of the questionnaire was calculated at pre-test stage for different parts of the questionnaire ranging from 0.83 until 0.91. The collected data were analyzed using Statistical Package for the Social Sciences 20 software. The results revealed that there were effective variables including subjective norm, attitude, and extension training courses which contributed to the importance of participation in the water management, and that the educational level of farmer was a controlled variable that could affect farmers' attitudes towards participating in Water User Association; these factors could explain 53% of farmers' participation totally.


1994 ◽  
Vol 74 (3) ◽  
pp. 551-554 ◽  
Author(s):  
Shaukat Ali ◽  
L. A. Goonewardene ◽  
J. A. Basarab

Water consumption (WC) by 39.5 animal units (AU) of grazing cattle was studied at a central Alberta site in summer. Average WC AU−1 was estimated at 48.9 L d−1. WC increased by 0.68 L AU−1 (P < 0.01) for each percentage decrease in relative humidity, increased by 0.81 L AU−1 (P < 0.02) for each degree Celsius increase in maximum daily temperature, and increased by 0.15 L AU−1 (P < 0.06) as cattle grew and the season progressed. Relative humidity is shown to be an important determinant of WC in grazing cattle. Key words: Water consumption, animal unit, temperature, humidity, grazing cattle


2018 ◽  
Vol 9 (1) ◽  
pp. 94-104 ◽  
Author(s):  
Mianhao Hu ◽  
Yunlin Hu ◽  
Juhong Yuan ◽  
Fucai Lu

Abstract Current population growth coupled with industrial growth has caused water supply to be outstripped by human demand. Understanding water consumption (WC) decoupling patterns and the factors affecting the decoupling status are essential for balancing economic growth and WC. This study determines the decoupling relationship between WC and economic growth in Jiangxi Province, China, and the driving factors were determined by the Tapio decoupling model and the logarithmic mean Divisia index method. Results showed that changes in the industrial structure in Jiangxi Province resulted in corresponding changes in WC structure. Analysis of the decoupling relationship showed that the decoupling state between WC and economic growth for primary industry was very unstable and largely volatile from 1999 to 2015, but showed a good decoupling status for secondary and tertiary industries. The largest cumulative effects on WC were economic development and technology, which were positive and negative drivers of WC changes, contributing 1,406.14% and −902.96% to the total effect of WC, respectively. The findings can help Jiangxi government identify the key factors influencing the decoupling effect, and formulate effective policies to reduce WC, which will benefit the harmonious development of economy, society and water resources in Jiangxi Province.


2021 ◽  
Vol 248 ◽  
pp. 01025
Author(s):  
Zhang Yongjie

water stability of warm mix asphalt mixture based on foamed asphalt is the key evaluation index affecting its road performance. The moisture content in the production process of foamed asphalt is unfavorable to the water stability of warm mix asphalt mixture. In order to improve its water stability, through immersion Marshall test and freeze-thaw splitting test, taking foaming effect, asphalt temperature, foaming water consumption and polymer fiber content as influencing factors, the control variable method is used to study and analyze the influence of factors on the water stability of warm mix asphalt mixture. The test results show that the foaming effect of asphalt, asphalt temperature, foaming water consumption and fiber content are the direct factors affecting the water stability of warm mix asphalt mixture. According to the importance analysis of random forest variables, foaming water consumption, foaming effect and asphalt temperature are the most important variables, while fiber content is the least. Taking the asphalt used in this paper as an example, it is suggested to improve the water stability of warm mix asphalt mixture with the combination of the best foaming effect, asphalt temperature 155 °C, foaming water consumption 2% and fiber content 0.3%.


2015 ◽  
Vol 27 (27) ◽  
pp. 67-79 ◽  
Author(s):  
Marcin Gorączko ◽  
Rafał Pasela

Abstract The article presents, with an example of four cities of various size, a phenomenon of a drop in water consumption by the city population in Poland. The paper draws on 1995-2012 official statistics. A significant decrease in household water consumption was observed, which refers to both the total water volume used by households as well as the average daily water consumption per resident. The article also determines the most essential factors affecting the amount of water consumed, out of which the price of water appears to be of the most significant one.


2019 ◽  
Vol 11 (20) ◽  
pp. 5671 ◽  
Author(s):  
Zhou ◽  
Su ◽  
Zhang

An important basis to achieve a sustainable balance between water availability and demand is effectively identifying the factors affecting water resource security and evaluating the effectiveness of existing water resource management measures. To reasonably evaluate water resource security in Guizhou Province, this study combined the water resource security features, selected the indicator system based on the Press–Status–Effect–Response (PSER) framework, and used Technique for Order Preference by Similarity to an Ideal Solution (TOPSIS) and grey correlation analysis for the province from 2001 to 2015. This allowed us to identify the main driving factors affecting water resource security. The results showed that: (1) Water resource security in Guizhou Province showed an overall trend of improvement from 2001 to 2015 and reached a maximum index of 0.57 in 2015. This amelioration in water security was mainly due to the continuous improvement of the response and effect subgroup as a result of improvements in its existing subgroup factors (policies), such as water consumption per unit of gross domestic product (GDP), the proportion of water conservancy investment, and the proportion of the tertiary industry. Increased water stress due to rapid economic development, such as water supply for the reservoir, and the instability of the status subgroup, were the main factors negatively affecting water resource security. (2) Reduction of water consumption per USD of industrial value added, the control force of water and soil erosion being strengthened, and investment in water resources being increased, are the key factors for achieving water resource security in Guizhou during this period of rapid social and economic development. This indicates that the existing water resource management measures have been improving water resource security. The management measures need to be further improved in the future to protect water resource.


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