| Assessment of hydrochemistry and groundwater quality in the coastal area of South Chennai, India PJS Kumar, L Elango, EJ James Arabian Journal of Geosciences 7 (7), 2641-2653, 2014 | 163 | 2014 |
| Interpretation of groundwater chemistry using piper and Chadha’s diagrams: a comparative study from Perambalur Taluk PJS Kumar Elixir Geosciences 54, 12208-12211, 2013 | 105 | 2013 |
| Evolution of groundwater chemistry in and around Vaniyambadi industrial area: differentiating the natural and anthropogenic sources of contamination PJS Kumar Geochemistry 74 (4), 641-651, 2014 | 102 | 2014 |
| Appraisal of heavy metals in groundwater in Chennai city using a HPI model PJS Kumar, PD Delson, PT Babu Bulletin of environmental contamination and toxicology 89 (4), 793-798, 2012 | 99 | 2012 |
| Identification of hydrogeochemical processes in the Coimbatore district, Tamil Nadu, India PJ Sajil Kumar, EJ James Hydrological Sciences Journal 61 (4), 719-731, 2016 | 89 | 2016 |
| Multivariate and geostatistical analysis of groundwater quality in Palar river basin PJS Kumar, P Jegathambal, EJ James Int J Geol 4 (5), 108-119, 2011 | 58 | 2011 |
| Factors influencing the high fluoride concentration in groundwater of Vellore District, South India PJS Kumar, P Jegathambal, EJ James Environmental earth sciences 72 (7), 2437-2446, 2014 | 55 | 2014 |
| Chemometric evaluation of nitrate contamination in the groundwater of a hard rock area in Dharapuram, south India PJS Kumar, P Jegathambal, EJ James Applied Water Science 4 (4), 397-405, 2014 | 53 | 2014 |
| Physicochemical parameters and their sources in groundwater in the Thirupathur region, Tamil Nadu, South India PJS Kumar, EJ James Applied Water Science 3 (1), 219-228, 2013 | 47 | 2013 |
| Geostatistical modeling of fluoride enrichment and nitrate contamination in the groundwater of Lower Bhavani Basin in Tamil Nadu, India PJS Kumar Modeling Earth Systems and Environment 3 (1), 1-10, 2017 | 43 | 2017 |
| Deciphering the groundwater–saline water interaction in a complex coastal aquifer in South India using statistical and hydrochemical mixing models PJS Kumar Modeling Earth Systems and Environment 2 (4), 1-11, 2016 | 43 | 2016 |
| Temperature and pH dependent geochemical modeling of fluoride mobilization in the groundwater of a crystalline aquifer in southern India PJS Kumar, P Jegathambal, S Nair, EJ James Journal of Geochemical Exploration 156, 1-9, 2015 | 41 | 2015 |
| Hydrogeochemical and multivariate statistical appraisal of pollution sources in the groundwater of the lower Bhavani River basin in Tamil Nadu PJ Sajil Kumar Geology, Ecology, and Landscapes 4 (1), 40-51, 2020 | 39 | 2020 |
| Impact of climate and anthropogenic activities on groundwater quality for domestic and irrigation purposes in Attur region, Tamilnadu, India P Balamurugan, PS Kumar, K Shankar, PJ Kumar Desalination and water treatment 208, 172-195, 2020 | 37 | 2020 |
| Development of Water Quality Index (WQI) model for the groundwater in Tirupur district, South India PJS Kumar, EJ James Chinese Journal of Geochemistry 32 (3), 261-268, 2013 | 36 | 2013 |
| Geogenic groundwater contamination—definition, occurrence and relevance for drinking water production G Grützmacher, PJS Kumar, M Rustler, S Hannappel, U Sauer Zbl Geol Paläont Teil I 1, 69-75, 2013 | 36 | 2013 |
| Entropy-weighted water quality index (EWQI) modeling of groundwater quality and spatial mapping in Uppar Odai Sub-Basin, South India PJS Kumar, CM Augustine Modeling Earth Systems and Environment, 1-14, 2021 | 32 | 2021 |
| Geostatistical and geochemical model-assisted hydrogeochemical pattern recognition along the groundwater flow paths in Coimbatore district, South India PJS Kumar, EJ James Environment, development and sustainability 21 (1), 369-384, 2019 | 32 | 2019 |
| Hydrogeochemical analysis of Groundwater in Thanjavur district, Tamil Nadu; Influences of Geological settings and land use pattern. PJ Sajil Kumar, AA Mohanan, VS Ekanthalu Geology, Ecology, and Landscapes 4 (4), 306-317, 2020 | 25 | 2020 |
| Assessment of corrosion and scaling potential of the groundwater in the Thanjavur district using hydrogeochemical analysis and spatial modeling techniques PJS Kumar SN Applied Sciences 1 (5), 395, 2019 | 24 | 2019 |
