| Shahul Hameed, A., Resmi T R., Suraj, S., Unnikrishnan Warrier, C., Sudheesh, M., Deshpande, R.D., 2015. Isotopic characterization and mass balance reveals groundwater recharge pattern in Chaliyar River basin, Kerala, India. Journal of Hydrology: Regional |
| Shiji, M., Kavya, P., & Harikumar, P. S. (2015). Sediment quality assessment of Kavvayi wetland in south coast India with special reference to phosphate fractionation and heavy metal contamination. Journal of Environmental Protection, 6, 1308-1321. http:/ |
| Harikumar P S, Deepak R and Sabitha A R (2014). Water Quality Assessment of Valapattanam River Basin in Kerala, India, using Macro-Invertebrates as Biological Indicators, The Open Environmental & Biological Monitoring Journal, 2014, 6, 1-9 |
| Harikumar P. S. Jesitha K, Megha T. and Kamalakshan Kokkal (2014). Persistence of endosulfan in selected areas of Kasaragod district, Kerala, Current Science, Vol. 106, 2014 Impact Factor 0.926 |
| Manjusha C M, Megha P U and Harikumar P S (2014). Isolation and Characterisation of Total Streptocci and Faecal Streptococci from Kuppam river basin in South west coast of India, Int.J.Curr.Microbiol.App.Sci, 3(3): 164-175 |
| Musthafa Odayooth Mavukkandy, Subhankar Karmakar & Harikumar PS, Assessment and rationalization of water quality monitoring network: a multivariatestatistical approach to the Kabbini River (India), Environ Sci Pollut Res, DOI 10.1007/s11356-014-3000-y, 20 |
| Unnikrishnan Warrier, C. and Manjula, P., 2014. River-Groundwater Interaction of a Tropical Sub Basin of Bharatapuzha, Kerala, India. International Journal of Advanced Technology in Engineering and Science, Vol.2 (7), pp.382-393 |
| Unnikrishnan Warrier, C. and Manjula, P., 2014. Morphometric Analysis of Thuthapuzha Sub Basin, Kerala, India, International Research Journal of Sustainable Science and Engineering, Vol.2 (7), pp.1-10 |
| Harikumar P S and Madhava Chandran, Bacteriological Contamination of Groundwater due to Onsite Sanitation Problems in Kerala State: A case study, International Journal of Life Science Biotechnology and Plasma Research, Vol 2 No 3 July 2013 |
| Harikumar P. S. and Manjusha C. M., Study on the antibacterial activity of selected natural herbs and their application in water treatment, Drink. Water Eng. Sci. 6, 199–231, 2013 doi:10.5194/dwesd-6-199-2013 Impact Factor 0.381 |
| Harikumar P. S. Jesitha K and Sreechithra Remediation of Endosulfan by Biotic and Abiotic Methods, Journal of Environmental Protection (2013), 4, 418-425 http://dx.doi.org/10.4236/jep.2013.45050 Impact Factor 0.85 |
| Harikumar PS, Litty Joseph and Dhanya A, Photocatalytic degradation of textile dyes by hydrogel supported titanium dioxide nanoparticles Journal of Environmental Engineering & Ecological Science Vol 2 , 2013 |
| Harikumar, P.S. and Madhava Chandran, K (2013). Bacteriological contamination of groundwater due to on site sanitation problems in Kerala State: A case study. International Journal of Life Sciences, Biotechnology and Pharma Research, Vol. 2 No. 3 July 201 |
| Jesitha K., Sreechithra M., Harikumar P.S, Endosulfan remediation using aquatic and terrestrial plant species, Acta Biologica Indica 2013, 2(2):388-393 |
| Megha T, Harikumar P S (2013). Immobilization and mobilization effect of ammonium molybdate on phytoremediation of toxic heavy metals in soil, Research Article, Acta Biologica Indica 2013, 2(1):353-360 |
| Unnikrishnan Warrier, C., Praveen Babu, M. and Manjula, P. and Shahul Hameed, A., 2013. Spatial and Temporal Variations of Natural Tritium in Precipitation of Southern India. Current Science, Vol. 105, pp. 242- 248 |
| Harikumar P S , Jaseela C and Megha T, Defluoridation of Water Using Biosorbents, Natural Science, Vol (4), No 4, 2012, 245-251. Impact Factor 0.96 (Google based) |
| Harikumar P S and Litty Joseph, Kinetic and Thermodynamics Studies of As (III) Adsorption Onto Iron Nanoparticles Entrapped Ca-alginate Beads (2012), International Journal of Plant, Animal and Environmental Sciences, Volume-2, Issue-1, Impact Factor 0.297 |
| Harikumar P S, Jaseela C and Megha T, Defluoridation of Water Using Biosorbents , Natural Science Vol.4, No.4, 245-251 (2012) http://dx.doi.org/10.4236/ns.2012.44035 2-year Google-based Journal Impact Factor (2-GJIF) 0.96 |
| Harikumar. P.S, Bindhya Mol.K, A synoptic study on the preparation of a liquid waste management plan for Kerala state, India, Environment and Natural Resources Research. Vol.2.No.2, (2012) Impact Factor 0.059 |
