Integrated approach of hydrological and water quality dynamic simulation for anthropogenic disturbance assessment in the Huai River Basin, China

2017 ◽  
Vol 598 ◽  
pp. 749-764 ◽  
Author(s):  
Xiaoyan Zhai ◽  
Jun Xia ◽  
Yongyong Zhang
Keyword(s):  
Water Quality ◽  
Dynamic Simulation ◽  
River Basin ◽  
Anthropogenic Disturbance ◽  
Integrated Approach ◽  
Huai River Basin ◽  
Huai River ◽  
The Huai River Basin

A hydrochemical framework and water quality assessment of river water in the upper reaches of the Huai River Basin, China

2012 ◽  
Vol 67 (7) ◽  
pp. 2141-2153 ◽  
Author(s):  
Lihu Yang ◽  
Xianfang Song ◽  
Yinghua Zhang ◽  
Ruiqiang Yuan ◽  
Ying Ma ◽  
...  
Keyword(s):  
Water Quality ◽  
Quality Assessment ◽  
River Water ◽  
River Basin ◽  
Water Quality Assessment ◽  
Huai River Basin ◽  
Huai River ◽  
The Huai River Basin

scholarly journals Preliminary results of water quality assessment using phytoplankton and physicochemical approaches in the Huai River Basin, China

2017 ◽  
Vol 76 (9) ◽  
pp. 2554-2564 ◽  
Author(s):  
Hao Chen ◽  
Qi-ting Zuo ◽  
Yong-yong Zhang
Keyword(s):  
Water Pollution ◽  
Water Quality ◽  
Quality Assessment ◽  
River Basin ◽  
Water Quality Assessment ◽  
Physicochemical Variables ◽  
Huai River Basin ◽  
Phytoplankton Communities ◽  
Huai River ◽  
The Huai River Basin

Abstract Water pollution has been a significant issue in the Huai River Basin (HRB) of China since the late 1970s. In July and December 2013, two field investigations were carried out at 10 sites along the main streams of the basin. The monitoring indices contained both physicochemical variables and the structure and composition of phytoplankton communities. The correlations between communities and physicochemical variables were analyzed using cluster analysis and redundancy analysis. Moreover, water quality was evaluated using the comprehensive nutrition state index (TLI) and Shannon-Wiener diversity index (H). Results indicated that more phytoplankton species were present in December than in July, but total density was less in December. Phytoplankton communities in the midstream of the Shaying River were affected by the same physicochemical factors throughout the year, but ammonia nitrogen and total phosphorus had the greatest influence on these sites in July and December, respectively. The water pollution status of the sampling sites was much greater in the Shaying River midstream than at other sites. TLI was more suitable than H for assessing water quality in the study area. These results provide valuable information for policy makers and stakeholders in water quality assessment, water ecosystem restoration, and sustainable basin management in the HRB.

Impact of Water Projects on River Flow Regimes and Water Quality in Huai River Basin

2009 ◽  
Vol 24 (5) ◽  
pp. 889-908 ◽  
Author(s):  
Yongyong Zhang ◽  
Jun Xia ◽  
Tao Liang ◽  
Quanxi Shao
Keyword(s):  
Water Quality ◽  
River Basin ◽  
River Flow ◽  
Flow Regimes ◽  
Water Projects ◽  
Huai River Basin ◽  
Huai River

scholarly journals Hydrological Drought Regimes of the Huai River Basin, China: Probabilistic Behavior, Causes and Implications

Water ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 2390 ◽  
Author(s):  
Sun ◽  
Zhang ◽  
Yao ◽  
Wen
Keyword(s):  
River Basin ◽  
Hydrological Drought ◽  
Drought Severity ◽  
Copula Functions ◽  
Drought Duration ◽  
Huai River Basin ◽  
Huai River ◽  
The Impact ◽  
Hydrological Droughts ◽  
The Huai River Basin

: Hydrological droughts were characterized using the run-length theory and the AIC (Akaike information criterion) techniques were accepted to evaluate the modeling performance of nine probability functions. In addition, the copula functions were used to describe joint probability behaviors of drought duration and drought severity for the major tributaries of the Huai River Basin (HRB) which is located in the transitional zone between humid and semi-humid climates. The results indicated that: (1) the frequency of hydrological droughts in the upper HRB is higher than that in the central HRB, while the duration of the hydrological drought is in reverse spatial pattern. The drought frequency across the Shiguan River along the south bank of the HRB is higher than the other two tributaries; (2) generalized Pareto distribution is the appropriate distribution function with the best performance in modelling the drought duration over the HRB; while the Generalized Extreme Value (GEV) distribution can effectively describe the probabilistic properties of the drought severity. Joe copula and Tawn copula functions are the best choices and were used in this study. Given return periods of droughts of <30 years, the droughts in the upper HRB are the longest, and the shortest are in the central HRB; (3) the frequency of droughts along the mainstream of the HRB is higher than tributaries of the HRB. However, concurrence probability of droughts along the mainstream of the HRB is lower than the tributaries of the HRB. The drought resistance capacity of HRB has been significantly improved, effectively reducing the impact of hydrological drought on crops after 2010.

The spatial and temporal variation of water use efficiency in the Huai River Basin using a comprehensive indicator

2016 ◽  
Vol 17 (1) ◽  
pp. 229-237 ◽  
Author(s):  
Yu Meng ◽  
Xiang Zhang ◽  
Dunxian She ◽  
Junchai Wang ◽  
Shaofei Wu
Keyword(s):  
Water Use Efficiency ◽  
River Basin ◽  
Water Use ◽  
Spatial And Temporal Variation ◽  
Huai River Basin ◽  
Huai River ◽  
Use Efficiency ◽  
The Government ◽  
Comprehensive Indicator ◽  
The Huai River Basin

A comprehensive indicator of water use efficiency (WUE) to promote coordinated development between socio-economic and environmental systems was developed. A comprehensive consideration of the social, economic and environmental benefits of water was made in the evaluation index system of WUE and the projection pursuit model combined with chaotic particle swarm optimization was adopted to calculate the comprehensive indicator of WUE. The Huai River Basin (HRB) was selected as a case study area. The temporal change of WUE showed that the annual WUE of the HRB from 2007 to 2013 increased obviously because of the enhanced emphasis on environmental protection by the government. The spatial results showed that the spatial WUE of each province in 2013 was significantly higher than in 2007. In 2013, Anhui with the lowest WUE was selected as representative to reveal the problems of water use in the HRB. The main reasons were that the government paid more attention to the high water consumption industries and ignored the small-scale water users, and wastewater treatment was still weak in the HRB. The research can provide the foundation for improving WUE and solving the problem of water shortages.

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