Groundwater Quality for Drinking and Irrigation Purposes and Potential Health Risks Assessment: A Case Study from Semi-Arid Region of South India

2018 ◽  
Vol 11 (2) ◽  
pp. 109-123 ◽  
Author(s):  
Narsimha Adimalla
Author(s):  
Ramiro T. Gonzalez del Cerro ◽  
M.S.P Subathra ◽  
Nallapaneni Manoj Kumar ◽  
Sebastian Verrastro ◽  
S. Thomas George

RSC Advances ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. 4840-4859 ◽  
Author(s):  
D. Karunanidhi ◽  
P. Aravinthasamy ◽  
M. Deepali ◽  
T. Subramani ◽  
Priyadarsi D. Roy

This study attempts to establish the effects of subsurface geochemical processes based on the hydrogeochemical attributes of 61 well samples collected in a semi-arid region of South India.


Water ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 193
Author(s):  
Fenli Chen ◽  
Mingjun Zhang ◽  
Athanassios A. Argiriou ◽  
Shengjie Wang ◽  
Qian Ma ◽  
...  

The deuterium excess in precipitation is an effective indicator to assess the existence of sub-cloud evaporation of raindrops. Based on the synchronous measurements of stable isotopes of hydrogen and oxygen (δ2H and δ18O) in precipitation for several sites in Lanzhou, western China, spanning for approximately four years, the variations of deuterium excess between the ground and the cloud base are evaluated by using a one-box Stewart model. The deuterium excess difference below the cloud base during summer (−17.82‰ in Anning, −11.76‰ in Yuzhong, −21.18‰ in Gaolan and −12.41‰ in Yongdeng) is greater than that in other seasons, and difference in winter is weak due to the low temperature. The variations of deuterium excess in precipitation due to below-cloud evaporation are examined for each sampling site and year. The results are useful to understand the modification of raindrop isotope composition below the cloud base at a city scale, and the quantitative methods provide a case study for a semi-arid region at the monsoon margin.


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