干旱区生态环境知识资源中心(Arid): Spatial and sensitivity analysis of integrated groundwater quality index towards irrigational suitability investigation

Arid

DOI	10.1016/j.apgeochem.2020.104782
	Spatial and sensitivity analysis of integrated groundwater quality index towards irrigational suitability investigation
	Hossain, Mobarok; Patra, Pulak Kumar; Begum, Syeda Nurunnesa; Rahaman, Chowdhury Habibur
通讯作者	Hossain, M (corresponding author), Visva Bharati, Dept Environm Studies, Inst Sci, Birbhum 731235, W Bengal, India.
来源期刊	APPLIED GEOCHEMISTRY
ISSN	0883-2927
EISSN	1872-9134
出版年	2020
卷号	123
英文摘要	183 groundwater samples were collected from Birbhum district (a semi-arid region) of West Bengal, India to assess their irrigational suitability. Cations were found in the order of Ca2+>Mg2+>Na+>K+ whereas, anions were HCO3->Cl->SO42-. The average values of trace metals were recorded in the order as Total Fe>Zn2+>Cu2+>Ni2+>Pb2+>Co2+>Cd2+. Water quality for irrigation purpose was assessed through a newly developed Integrated Irrigation Water Quality index (IIWQI) and other existing indices such as sodium adsorption ratio (SAR), residual sodium carbonate (RSC), sodium percentage (Na%), salinity and Wilcox diagram, magnesium hazard (MH), permeability index (PI) and Kelly index (KI), which indicated that groundwater were suitable for irrigation purpose. The sensitivity and uncertainty analysis by Monte Carlo Simulation indicated that Cd2+, TDS, Cl- and HCO3- were the most influential parameter, which controlled the water chemistry with 83.99% probability of water quality certainty in the range of 0.4-0.6. The GIS distribution maps with Empirical Bayesian Kriging (EBK) modelling through predicted vs measured and semivariograms plots, described the accuracy and robustness of various water quality models. Major hydrochemical facies were normal earth alkaline of Ca2+-Mg2+-HCO3- type and Ca2+-Mg2+-SO42--Cl- type. Groundwater chemistry of the study area was mainly influenced by the local geological setting and rock weathering. Reverse ion exchange, silicate weathering and rock weathering such as dissolution of aragonite, calcite, dolomite, fluorite, halite governed the hydrochemistry. The study demonstrated the application potential of IIWQI and EBK in groundwater quality studies with potential advantages. The outcome of the study will provide a new insight for effective management of groundwater for irrigation purposes.
英文关键词	Integrated irrigation water quality index Empirical bayesian kriging Semivariograms Hydrochemical modelling Sensitivity analysis
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000597410700002
WOS类目	Geochemistry & Geophysics
WOS研究方向	Geochemistry & Geophysics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/348720
作者单位	[Hossain, Mobarok; Patra, Pulak Kumar] Visva Bharati, Dept Environm Studies, Inst Sci, Birbhum 731235, W Bengal, India; [Begum, Syeda Nurunnesa; Rahaman, Chowdhury Habibur] Visva Bharati, Dept Bot, Inst Sci, Birbhum 731235, W Bengal, India
推荐引用方式 GB/T 7714	Hossain, Mobarok,Patra, Pulak Kumar,Begum, Syeda Nurunnesa,et al. Spatial and sensitivity analysis of integrated groundwater quality index towards irrigational suitability investigation[J],2020,123.
APA	Hossain, Mobarok,Patra, Pulak Kumar,Begum, Syeda Nurunnesa,&Rahaman, Chowdhury Habibur.(2020).Spatial and sensitivity analysis of integrated groundwater quality index towards irrigational suitability investigation.APPLIED GEOCHEMISTRY,123.
MLA	Hossain, Mobarok,et al."Spatial and sensitivity analysis of integrated groundwater quality index towards irrigational suitability investigation".APPLIED GEOCHEMISTRY 123(2020).