Identification and evaluation of hydrogeochemical processes on river Cooum, South India

Abstract

The salient features of the river water chemistry and the seasonal variations on the individual chemical parameter were evaluated and characterized. The order of abundance of the ions in the water is determined for both seasons. The contribution of chemical weathering to the water chemistry has been determined using the (Ca(2+) + Mg(2+))/(Na(+) + K(+)) ratio, ternary, and Gibb's diagrams. The results show that the chemical composition of river water during premonsoon is controlled mainly by evaporation-crystallization, while in the postmonsoon, the rock-water interaction dominates. The unique characteristic of the river water is the linear relationship among the principal ions. Hydrochemical characteristics of ions in the water were studied using 1:1 equiline diagrams. The nature of the water samples was determined using the piper diagram. The influence of trace metals on the chemical composition and the quality of the river water in the study area has been assessed using Wilcox and US Salinity Laboratory diagrams.

Impact of lockdown Covid-19 pandemic on himalayan environment

“…The quality of river water deteriorates due to anthropogenic influences like discharge of sewage waste, industrial effluent, agricultural runoff and atmospheric deposition of pollutants [51][52][53][54][55][56]. The anthropogenic influences, geochemical factors, chemical composition of river basin [57] and natural processes like interaction of water with lithogenic structure through which the river flows [55,58] degrade surface water quality, making it unsuitable for drinking, industry and agriculture purposes [59][60][61][62][63][64][65][66][67][68][69][70].…”

Water quality assessment of a tropical river using water quality index (WQI), multivariate statistical techniques and GIS

“…The surface water being exposed to anthropogenic influences and atmospheric deposition of pollutants becomes a very sensitive and critical issue in many countries (Sener et al 2017;. Anthropogenic influences, geochemical factors, chemical composition of river basin (Giridharan et al 2010) and natural processes like interaction of water with lithogenic structure through which the river flows (Subramani et al 2009;Sener et al 2017) degrade surface water quality making it unsuitable for drinking, industry, agriculture and other purposes (Simeonov et al 2003;Sánchez et al 2007; Kazi et al 2009). The water quality of the river is deteriorated mainly by natural processes and through anthropogenic activities like discharge of industrial sewage, domestic wastewater and agricultural drainage water to the river (Singh and Kumar 2017).…”

Geochemical and statistical evaluation of groundwater in Imphal and Thoubal district of Manipur, India

“…In plot (Na + + K + ) versus TZ + (Figs. 6a and 6b) for Imphal and Thoubal district all the points lie below equiline during all seasons, it was clearly showing the dominance of alkaline earth metal ions over the alkali (Giridharan et al, 2010).…”