globalchange  > 气候减缓与适应
DOI: 10.1016/j.marpolbul.2017.09.053
论文题名:
Water quality assessment of the ecologically stressed Hooghly River Estuary, India: A multivariate approach
作者: Mitra S.; Ghosh S.; Satpathy K.K.; Bhattacharya B.D.; Sarkar S.K.; Mishra P.; Raja P.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
出版年: 2018
卷: 126
起始页码: 592
结束页码: 599
语种: 英语
Scopus关键词: Biodiversity ; Cluster analysis ; Conservation ; Estuaries ; Multivariant analysis ; Nutrients ; Potable water ; Principal component analysis ; Silicates ; Water ; Water levels ; Water quality ; Water resources ; Anthropogenic inputs ; Fecal Coliform ; Hydrological characteristics ; Multi variate analysis ; Water quality assessments ; Water quality characteristics ; Water quality deterioration ; Water quality improvements ; Quality control
英文摘要: Spatio-temporal and seasonal variation of the water quality characteristics of the Hooghly River Estuary, India were studied considering eight stations of diverse eco-hydrological characteristics. Wide variations in turbidity, total dissolved solids and fecal coliform exceeded the permissible BIS drinking water level limit. The estuary is observed to be relatively low-oxygenated, mesotropic and phosphate limiting. Spatial heterogeneity and impact of the southwest monsoon were remarkably pronounced in the distribution of the inorganic nutrients revealing the following values (expressed in μg atm l− 1): nitrate + nitrite (2.42–37.19), phosphate (0.41–1.52) and silicate (38.5–187.75). Water Quality Index (WQI) values confirmed the prevailing ‘bad’ condition, detrimental for sustenance of aquatic biota. Results of Principal Component Analysis identified the major factors liable for water quality deterioration while cluster analysis categorized the stations on the basis of similar water quality status. The authors recommend adopting preventive measures for water quality improvement linked to biodiversity conservation. © 2017 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106931
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: Department of Marine Science, University of Calcutta, 35 Ballygunge Circular Road, Calcutta, India; Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, Barrackpore Trunk Road, Kolkata, India; Environment and Safety Division, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu, India; ICMAM-Project Directorate, NIOT campus, Pallikaranai, Chennai, Tamil Nadu, India; ICAR-Indian Institute of Soil and Water Conservation (IISWC), Research Centre, Fern Hill, P.O., Udhagamandalam, Tamil Nadu, India

Recommended Citation:
Mitra S.,Ghosh S.,Satpathy K.K.,et al. Water quality assessment of the ecologically stressed Hooghly River Estuary, India: A multivariate approach[J]. Marine Pollution Bulletin,2018-01-01,126
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