scholarly journals Assessing the complex adaptability of regional water security systems based on a unified co-evolutionary model

2017 ◽  
Vol 20 (1) ◽  
pp. 34-48 ◽  
Author(s):  
Jiping Yao ◽  
Yongtai Ren ◽  
Shuai Wei ◽  
Wei Pei
Keyword(s):  
Water Resources ◽  
Environmental Changes ◽  
Social Economy ◽  
Evolutionary Model ◽  
Water Security ◽  
Security System ◽  
Problem Domain ◽  
Security Systems ◽  
Coordinated Development ◽  
Regional Water

Abstract A unified co-evolutionary model was developed to study the adaptability conditions of regional water security systems, which is important for the coordinated development of these systems. In this work, the main factors that affect the adaptability of regional water security systems, the contribution of each sub-problem domain to the development of the problem domain, and the fitness values of regional water security systems were analyzed based on the model. Taking Jiansanjiang as an example, the results showed that in 2002–2011, the water resources system had strong adaptability and contributed greatly to improve the adaptability of the water security system; the socioeconomic system had poor adaptability to environmental changes and contributed little to the adaptability of the water security system; and the eco-environmental system was barely able to adapt to the changing environment and contributed less to the adaptability of the water security system. Due to the influence of the socioeconomic and eco-environmental systems, the adaptability of the water security system was relatively weak. Therefore, strengthening the sustainable utilization of water resources, promoting the coordinated development of the social economy, and improving the quality of the ecological environment are effective strategies to improve the adaptability of water security systems.

Study on Water Resources Efficiency with the Regional Water Resources Carrying Capacity into Consideration

2018 ◽  
Vol 06 (04) ◽  
pp. 1850023 ◽  
Author(s):  
Xifeng WANG
Keyword(s):  
Water Resources ◽  
Carrying Capacity ◽  
High Water ◽  
Coastal Regions ◽  
Coordinated Development ◽  
Policy Makers ◽  
Water Resources Carrying Capacity ◽  
Decision Making Unit ◽  
High Level ◽  
Regional Water

Most of the existing studies on regional water resources efficiency only consider the total regional water use while ignoring the regional endowment. Therefore, it is essential to introduce the water resources carrying capacity into the study. Given that data envelopment analysis (DEA) cannot compare the time series of a single decision-making unit, we employ the DEA-window analysis to study China’s water resources efficiency during 2005–2012 with the regional carrying capacity being considered, and analyze the spatiotemporal evolution. The study shows that such efficiency has increased from 0.71 in 2005 to 0.79 in 2012. High water resources efficiency is observed in Liaoning, Tibet, Yunnan, Beijing, Tianjin, Shanghai, Jiangsu, Zhejiang, Guangdong and Sichuan, where the output levels and utilization ratios of water resources are positively correlated. Low water resources efficiency is observed in Henan, Shaanxi, Gansu, Ningxia and Xinjiang which feature high-level utilization and low carrying capacity of water resources. As for regional water resources efficiency, eastern and southern coastal regions rank first, followed by Northeast China and northern coastal regions, southwest and northwest regions of China and lastly the middle reaches of the Yellow and Yangtze Rivers. Therefore, policy-makers should not only accord the regional development with carrying capacity, but also enhance cross-regional industrial cooperation for coordinated development.

Health Identification of Water Resources-Ecological-Socioeconomic System of Baiyangdian Wetland

2011 ◽  
Vol 183-185 ◽  
pp. 2340-2345
Author(s):  
Xin Yi Xu ◽  
Mei Liu ◽  
Feng Wang
Keyword(s):  
Water Resources ◽  
Water Level ◽  
North China ◽  
Social Economy ◽  
Freshwater Wetland ◽  
Coupling Mechanism ◽  
Coordinated Development ◽  
Ecological Balance ◽  
Socioeconomic System ◽  
Baiyangdian Wetland

As the largest freshwater lake in north China, Baiyangdian Wetland plays an important role in ecological balance of the north China plain. Besides the high ecological value, Baiyangdian Wetland retains a health development of social economy. According to this special shallow freshwater wetland, based on the concept of coordinated development of resources, environment and social economy, the relativity of water resources subsystem, ecological subsystem and socioeconomic subsystem has been explained in detail, and a hierarchy that has three layers has been built up, and what’s more, the health index (HI) has been calculated using analytic hierarchy process (AHP). The results showed that the water resources-ecological-socioeconomic system of Baiyangdian Wetland was at the status of sub-health even at the high frequency water level (7.9 m). When the water level is higher or lower than 7.9 m, the health condition will be worse. Every subsystem is a chain of the coupling system, whichever of the subsystems changes will affect other chains. Thus, it is necessary to implement management measures according to the coupling mechanism of different subsystems; it can provide theoretic and practical guidance to the coordinated development of ecological balance and social economy of Baiyangdian Wetland.

Analysis of Characteristics of Hydrology and Water Resources of the Heilong (Amur) River Basin

2012 ◽  
Vol 550-553 ◽  
pp. 2525-2532
Author(s):  
Chang Lei Dai ◽  
Cheng Gang Yu ◽  
Lan Lin ◽  
Di Fang Xiao ◽  
Hui Yu Li
Keyword(s):  
Water Resources ◽  
Geographic Location ◽  
Water Security ◽  
Amur River Basin ◽  
Amur River ◽  
Water Resources Development ◽  
The North ◽  
Hydrology And Water Resources ◽  
Regional Water ◽  
Resources Development

As the most remote river in the North of China, Heilong (Amur) River have an abundant precipitation in the basin and a rich runoff. Due to the special transnational spanned geographic location, Heilong (Amur) basin 's borders, water rights, regional water resources development are a big concern. Due to lack of multinational management and information, analysis of characteristic of Heilong (Amur) watershed's hydrology and water resources are not enough. In order to serve the water resources development and water security, and to better understand the state of hydrology and water resources in Heilong River, this article make a reference to the Heilong River Hydrographic and the research of hydrologic data about Heilong River, detailed analyzed the characteristics of hydrology and water resources. For reference to scientists of geography, water conservancy and hydropower who are interested in Heilong River's hydrographic.

scholarly journals Evaluation of the coordinated development of regional water resource systems based on a dynamic coupling coordination model

2018 ◽  
Vol 19 (2) ◽  
pp. 565-573
Author(s):  
Kun Cheng ◽  
Jiping Yao ◽  
Yongtai Ren
Keyword(s):  
Water Resources ◽  
Water Resource ◽  
Dynamic Coupling ◽  
Entropy Weight ◽  
Coordinated Development ◽  
Coordination Model ◽  
Entropy Weight Method ◽  
Regional Water Resource ◽  
Regional Water ◽  
Resource Systems

Abstract Coupling and coordination analyses of regional water resource systems (WRS) play an important role in promoting the sustainable and coordinated development of those systems. In this paper, a dynamic coupling coordination model is introduced to study the coordinated development of WRS. The weight of each index is obtained using an improved entropy weight method. The coupling and coordination degrees between resource subsystems and other subsystems and an entire system of water resources can be obtained using this model. Taking Heilongjiang, China, as an example, the results show that in 2005–2014, the WRS exhibited low coupling and low coordination characteristics due to a substantial contradiction between the resource subsystem and the social and economic and ecological subsystems. Therefore, strengthening the overall development of water resources, society, economy and ecology and improving the coupling abilities between resource subsystems and each of the other subsystems are effective strategies for promoting the coordinated development of WRS.

scholarly journals Regional Water Resources Security Evaluation Based on a Hybrid Fuzzy BWM-TOPSIS Method

2020 ◽  
Vol 17 (14) ◽  
pp. 4987
Author(s):  
Yan Tu ◽  
Kai Chen ◽  
Huayi Wang ◽  
Zongmin Li
Keyword(s):  
Water Quality ◽  
Water Resources ◽  
North China ◽  
Water Security ◽  
Evaluation Methodology ◽  
Security Evaluation ◽  
Equal Weight ◽  
Topsis Method ◽  
Security Levels ◽  
Regional Water

Nowadays, water resource security is becoming increasingly prominent, and this problem is a primary bottleneck restricting China’s future sustainable development. It is difficult to come to a unified conclusion on water resources security, and applications of highly feasible evaluation methods are lacking in practice. In this paper, a novel evaluation methodology is proposed for regional water resources security evaluation. First, water security is divided into two aspects: water quantity security and water quality security. The disposal rate of harmless household garbage, the excellent water resources proportion, and the functional water body loss proportion are creatively considered as indicators of water quality security in the evaluation system. In addition, a Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method is used to evaluate the water security levels in different regions. For distinguishing the importance of different indicators, a Best–Worst Method (BWM) is employed to calculate the indicator weights, as triangular fuzzy linguistic sets can more flexibly describe the preferences of decision makers (DMs) regarding the indicators; therefore, it is embedded in BWM to determine indicator weights. Moreover, the fuzzy BWM-TOPSIS method is applied to evaluate the water security levels of six regions in North China, a comparison analysis with the equal weight TOPSIS method as well as the fuzzy BWM-AHP method, and a sensitivity analysis for indicator weights are presented to illustrate the effectiveness of this proposed method. Finally, some suggestions based on the evaluation results are given for effective and rational utilization of water resources in North China.

scholarly journals Water Security in a Changing Environment: Concept, Challenges and Solutions

Water ◽  
2021 ◽  
Vol 13 (4) ◽  
pp. 490
Author(s):  
Binaya Kumar Mishra ◽  
Pankaj Kumar ◽  
Chitresh Saraswat ◽  
Shamik Chakraborty ◽  
Arjun Gautam
Keyword(s):  
Water Resources ◽  
Water Resource Management ◽  
Environmental Changes ◽  
Multiple Scales ◽  
Water Security ◽  
Dissemination And Implementation ◽  
Holistic View ◽  
Water Resources Systems ◽  
Sustainable Solutions ◽  
Wide Range

Water is of vital and critical importance to ecosystems and human societies. The effects of human activities on land and water are now large and extensive. These reflect physical changes to the environment. Global change such as urbanization, population growth, socioeconomic change, evolving energy needs, and climate change have put unprecedented pressure on water resources systems. It is argued that achieving water security throughout the world is the key to sustainable development. Studies on holistic view with persistently changing dimensions is in its infancy. This study focuses on narrative review work for giving a comprehensive insight on the concept of water security, its evolution with recent environmental changes (e.g., urbanization, socioeconomic, etc.) and various implications. Finally, it presents different sustainable solutions to achieve water security. Broadly, water security evolves from ensuring reliable access of enough safe water for every person (at an affordable price where market mechanisms are involved) to lead a healthy and productive life, including that of future generations. The constraints on water availability and water quality threaten secured access to water resources for different uses. Despite recent progress in developing new strategies, practices and technologies for water resource management, their dissemination and implementation has been limited. A comprehensive sustainable approach to address water security challenges requires connecting social, economic, and environmental systems at multiple scales. This paper captures the persistently changing dimensions and new paradigms of water security providing a holistic view including a wide range of sustainable solutions to address the water challenges.

Application of Fuzzy Set Theory in Water Resources Coordinated Development Evaluation of Jilin Province

2014 ◽  
Vol 997 ◽  
pp. 835-838
Author(s):  
Xi Feng Liu ◽  
De Qin Cui
Keyword(s):  
Water Resources ◽  
Set Theory ◽  
Fuzzy Set ◽  
Fuzzy Set Theory ◽  
Comprehensive Evaluation ◽  
Social Economy ◽  
Jilin Province ◽  
Evaluation Index System ◽  
Ecological Environment ◽  
Coordinated Development

According to engineering fuzzy set theory and system coordination degree model proposed by professor Chen Shouyu and Yu Xuefeng, this paper established social economy-ecological environment-water resources comprehensive evaluation index system, combined with social and economic development situation, ecological environment and water resources utilization status in 9 areas of Jilin province, 2011. The paper made an evaluation of the existing water resources coordinated development of Jilin province, and analyses relative coordinated development level among regions.

scholarly journals Study on Spatial and Temporal Distribution Characteristics of Coordinated Development Degree among Regional Water Resources, Social Economy, and Ecological Environment Systems

2019 ◽  
Vol 16 (21) ◽  
pp. 4213 ◽  
Author(s):  
Wang ◽  
Dong ◽  
Xu ◽  
Luo ◽  
Zhou ◽  
...  
Keyword(s):  
Water Resources ◽  
Social Economy ◽  
Temporal Distribution ◽  
Research Unit ◽  
Hunan Province ◽  
Ecological Environment ◽  
Spatial And Temporal Distribution ◽  
Distribution Characteristics ◽  
Coordinated Development ◽  
Coordinated Development Degree

Water resources utilization, social economy development, and ecological environment protection are key factors in regional sustainable development. Scientific evaluation of regional coordinated development status and diagnosis of regional uncoordinated development constraints will improve the management level of decision-makers. At present, most developing countries have the problem of unbalanced regional development caused by the one-sided pursuit of a certain system. Taking 14 prefecture-level cities in Hunan Province as cases, this paper analyzed the spatial and temporal distribution characteristics of the carrying capacity level of the water resources system, the development level of the social economy system and the protection level of the ecological environment system in each evaluation unit based on entropy weight method and order parameter analysis. Based on the theory of coordinated development, a calculation model of a coordinated development degree was constructed, and the corresponding evaluation criteria were formulated. The spatial and temporal distribution characteristics of a coordinated development degree in each research unit were analyzed and evaluated. The results showed that the average coordinated development degree of Hunan Province from 2004 to 2016 evolved from “Light disorder recession” to “Nearly disorder recession”, then to “Reluctance coordinated development”. Restricted by different systems, the coordinated development degree in each research unit presented spatial and temporal differences. According to different development stages and the characteristics of different regions, corresponding development strategies can be formulated to provide the guidance for coordinated the development of regions.

scholarly journals Evaluation of water security based on capacity for socio-economic regulation

2020 ◽  
Author(s):  
Lian Tang ◽  
Weibing Zhang ◽  
Zixi Liu ◽  
Yarong Qi
Keyword(s):  
Water Resources ◽  
Rapid Change ◽  
Water Security ◽  
Development Trend ◽  
Social Regulation ◽  
Economic Regulation ◽  
Planning Period ◽  
Social Coordination ◽  
Regulation Strength ◽  
Regional Water

Abstract From the perspective of social and economic regulation, the development trend of regional water security in different periods and under different regulation strength is evaluated by using fuzzy set pair analysis method. The results show : the degree of regional water resources security changes from insecurity in the pilot period of water-saving society construction to basic security, and then to the security in the planning period, with the enhancement of economic and social regulation. The order of importance of each index is C19 > C1 = C5 > C18 > C14 > C10 > C13 > C3 = C4 > C8 > C7 > C15 > C16 > C12 > C2 > C11 > C17 > C6 > C9, the long-term shortage of water resources is the most important factor, the contribution rate is 60%, but the index weight of economic and social coordination ability is large, and its rapid change causes the improvement of water resources security; the contradiction between the regulation intensity of social and economic indicators in the planning year and the demand for water resources is not matched, and the degree of water security is mainly restricted by the shortage of regional water resources.

scholarly journals The use of an integrated variable fuzzy sets in water resources management

2018 ◽  
Vol 379 ◽  
pp. 249-253
Author(s):  
Qingtai Qiu ◽  
Jia Liu ◽  
Chuanzhe Li ◽  
Xinzhe Yu ◽  
Yang Wang
Keyword(s):  
Water Resources ◽  
Fuzzy Sets ◽  
Water Resources Management ◽  
Optimal Allocation ◽  
Social Economy ◽  
Resources Management ◽  
Index Model ◽  
Single Index Model ◽  
Regional Water ◽  
Variable Fuzzy Sets

Abstract. Based on the evaluation of the present situation of water resources and the development of water conservancy projects and social economy, optimal allocation of regional water resources presents an increasing need in the water resources management. Meanwhile it is also the most effective way to promote the harmonic relationship between human and water. In view of the own limitations of the traditional evaluations of which always choose a single index model using in optimal allocation of regional water resources, on the basis of the theory of variable fuzzy sets (VFS) and system dynamics (SD), an integrated variable fuzzy sets model (IVFS) is proposed to address dynamically complex problems in regional water resources management in this paper. The model is applied to evaluate the level of the optimal allocation of regional water resources of Zoucheng in China. Results show that the level of allocation schemes of water resources ranging from 2.5 to 3.5, generally showing a trend of lower level. To achieve optimal regional management of water resources, this model conveys a certain degree of accessing water resources management, which prominently improve the authentic assessment of water resources management by using the eigenvector of level H.

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