Professor Sumedha Chakma

Prof. Sumedha Chakma is working as Professor and an expert in Watershed Management, Bioreactor Landfill, and Permeable Reactive barrier. He has joined at IIT Delhi in 2014 as Assistant Professor and actively involved in teaching, research, consulting and also in administration. His current research interests include Settlement, Gas and leachate generation in landfill, Infiltration study on different land use and soil type, Landcover and land use change in watershed, Groundwater contamination and remediation, and Development of new materials for Permeable Reactive barrier for different contaminants.

Further, Prof. Chakma is running research projects that received grants from Government and Private organisations. He is presently involved in administrative duties as Group Coordinator for Water Resources Engineering and was also as Warden, Programme Coordinator of Water Resources Engineering, President of Dramatics Club. He is Captain of Table Tennis and received the Most Promising Sportsman Award in 2018 on Republic Day of India from IIT Delhi for his outstanding performance in the Inter IIT Sports Meet.

You can read Prof. Sumedha Chakma's details below:

Professional Career and Professional Responsibilities

Subject Teaching/ Taught

Student Supervised / Supervising

Publications

PATENT

• Chakma, S. and Tamru, T. A. (2020). A bioreactor landfill comprising prismoidal lysimeter (Appl No.201911003254; The Patent Office Journal No.31/2020; Publication date: 31/07/2020; No.28817)

  Recent Publications in Journals

  • Majhi, A., Pattanayak, S. Dhanya, C.T.,and Chakma, S. (2026), Do CMIP6 models reduce the uncertainty in sub-daily extreme precipitation projections? Journal of Hydrology, Volume 677, Part B, IF = 7.3, https://10.1016/j.jhydrol.2026.135917.
  • Gayari, S. B., Chakma, S., and Gupta, P.K. (2026), Bibliometric insights and research trends in cadmium fate and transport in soil–groundwater systems. Journal of Hazardous Materials Advances, Volume 23, August 2026, 101260,IF = 9.1, https://doi.org/10.1016/j.hazadv.2026.101260.
  • Chakraborty, A. Saharia, M., Chakma, S., and Kumar, S.V. (2026), Trends and drivers of ecosystem water use efficiency and carbon uptake modeled across South Asia. Agricultural Water Management, Volume 328, 1 May 2026, 110321, IF = 7.8, https://doi.org/10.1016/j.agwat.2026.110321.
  • Sharma, V., Chakma, S., (2026) Quantitative Analysis-Based Comparison of Under-Surface and Mixed Barriers to Remediate SWI in a Heterogeneous Stratified Aquifer with an Oblique Boundary. Int J Environmental Research, 20, 127 (2026), IF = 3.5, https://doi.org/10.1007/s41742-026-01078-5.
  • Sahu, S., Chakma, S., and Rao, Y. R. S. (2026), Novel approach to nitrate and macro-elements: carcino-spectrum of human health risk projections. Environ Monitoring Assessment, 198, 140 (2026),IF = 3.6, https://doi.org/10.1007/s10661-025-14974-8.
  • Sharma, V., Chakma, S., (2025) Experimental evaluation of sea level rise impact on layered heterogeneous coastal aquifer with inclined seaside boundary. Natural Hazards, 1-24, Published online on 09 October 2025, IF=3.7. https://doi.org/10.1007/s11069-025-07720-3.
  • Islam, S.U., Raj, R., Patro, E.R., Saharia, M. and Chakma, S., (2025), Mapping and Modelling Specific Sediment Yield and Future Soil Erosion Trends in the Jhelum Catchment, India. Hydrolocial Processes, 1-17, Published online on 17 September 2025, I.F. = 2.9, https://doi.org/10.1002/hyp.70262.
  • Singh, R. Chakma, S., and Birke, V., (2025), Implications of bi-metal catalysts on micro and nano zero-valent iron brands for hexavalent chromium removal in strongly alkaline and hyper-alkaline medium. Environmental Science and Pollution Research. I.F = 5.8 https://doi.org/10.1007/s11356-025-36551-9.
  • Guleria, A. Mehdinejadiani, B.,and Chakma, S., (2025), Application of Teaching-Learning-based Optimization algorithm for appraising solute transport parameters of mobile-immobile model. Groundwater for Sustainable Development, Volume 30, August 2025, 101452. I.F.= 4.9 https://doi.org/10.1016/j.gsd.2025.101452.
  • Srivastava, A. and Chakma, S., (2025), Hybrid bioreactor approach for enhanced valorization and heavy metal stabilization for co-digested municipal and agro-industrial solid wastes. Journal of Water Process Engineering, Volume 74, May 2025, 107763. IF = 6.3. https://doi.org/10.1016/j.jwpe.2025.107763.
  • Ahmed, I. A., Saharia, M.,and Chakma, S., (2025) Erosivity density as an indicator of soil erosion risk in South Asia. CATENA, Volume 251, April 2025, 108766, 1-13, IF = 5.4. https://doi.org/10.1016/j.catena.2025.108766.
  • Sharma, V., Chakma, S. (2024) Experimental Investigation to Assess the Efficiency of Subsurface Barrier in Heterogeneous Aquifer With a Sloping Ocean-Aquifer Boundary. Hydrological Processes, 1-13, First published: 23 December 2024, IF = 2.8. https://doi.org/10.1002/hyp.70030.
  • Ashraf M., Abbasi N., Gupta P. K., Chakma S., Ahammad S.Z. (2024) Effect of Soil-pH, temperature and moisture content on sorption dynamics of Metformin and Erythromycin. Environmental Research, Volume 263(Part 3), 120270, IF = 7.7. https://doi.org/10.1016/j.envres.2024.120270.
  • Majhi, A., Dhanya, C.T., Pattanayak, S. and Chakma, S. (2024), Reducing the Uncertainty in the Tropical Precipitation through a Multi-Criteria Decision-Making Approach. International Journal of Climatology, 2024, 1-18, IF = 3.6. https://doi.org/10.1002/joc.8665.
  • Guleria, A., and Chakma, S. (2024), Unraveling the Complex Dynamics of Temporal Moments for Multispecies Contaminant Transport in Saturated Porous Media: A Global Sensitivity Analysis Approach. Journal of Hydrology, Volume 645, Part A, December 2024, 132128, IF = 5.9. https://doi.org/10.1016/j.jhydrol.2024.132128.
  • Sharma, V., Chakma, S. (2024) Laboratory-scale study of mixed barriers in stratified layers with an inclined ocean aquifer boundary. Journal of Contaminant Hydrology, Available online 25 September 2024, Volume 267, 104438, IF = 3.5. https://doi.org/10.1016/j.jconhyd.2024.104438.
  • Sharma, V., Chakma, S. (2024) Experimental Study of Seawater Intrusion in Stratified Layers with Sloping Ocean–Aquifer Boundary. Journal of Hydrologic Engineering, ASCE, 29 (6),04024041-13, IF=2.1. https://doi.org/10.1061/JHYEFF.HEENG-6250.
  • Ashraf, M., Gupta, P.K., Malik, A, Chakma, S. and Ahammad, S.Z. (2024) Unraveling the competitive transport of metformin and erythromycin in saturated sandy soil: Experimental investigation, modeling insights and implications on SDGs. Journal of Hazardous Materials Letters, Volume 5, 2024, 100124. https://doi.org/10.1016/j.hazl.2024.100124.
  • Singh, Vigelahn L., Schütt C., Burmeier H., Chakma, S., and Birke, V. (2024), Defining quality assurance guidance for effective selection of technical grade zero-valent iron production batch for groundwater remediation using permeable reactive barrier. Journal of Environmental Management,Volume 368, September 2024, 121945. https://doi.org/10.1016/j.jenvman.2024.121945.
  • Ashraf, M., Guleria, A., Ahammad, S.Z. and Chakma. S. (2024) Implementation of temporal moments to elucidate the reactive transport of metformin and erythromycin in the saturated porous media. Environmental Science and Pollution Research, Volume 31, pages 47801–47817 (2024). https://doi.org/10.1007/s11356-024-34357-9.
  • Islam, S.U., Chakma, S. (2024), Evaluating the long-term influence of climate change on rainfall erosivity in the Jhelum Catchment: a GCM-based analysis. Environment, Development and Sustainability, Published online on August 5, 2024, https://doi.org/10.1007/s10668-024-05286-x.
  • Chakraborty, A. Saharia, M., and Chakma, S., Pandey, D.K., Kumar, K. N., Thankur, P. K., Kumar, S., and Getirana, A. (2024), Improved soil moisture estimation and detection of irrigation signal by incorporating SMAP soil moisture into the Indian Land Data Assimilation System (ILDAS). Journal of Hydrology, Volume 638, July 2024, 131581. https://doi.org/10.1016/j.jhydrol.2024.131581.
  • Sharma, V., Chakma, S. (2024) Experimental investigation to check the feasibility of an under-surface barrier for stratified layers to remediate seawater intrusion considering an inclined boundary. Journal of Hydrology, Volume 636, June 2024, 131283, https://doi.org/10.1016/j.jhydrol.2024.131283.
  • Raj, R., Saharia, M., and Chakma, S. (2024), Geospatial modeling and mapping of soil erosion in India. CATENA, Volume 240, May 2024, 107996, https://doi.org/10.1016/j.catena.2024.107996.
  • Bakobie, N.,Essandoh,H.M.K., Oduro-Kwarteng,O., Appiah-Adjei, K.A., Ahammad, S.Z., and Chakma, S. (2024), Self-supply groundwater in five communities: Moshie Zongo,Aboabo, Kotei, Ayeduase and Apemso in Kumasi Metropolis, Ghana. Heliyon 10 (2024) e23823, https://doi.org/10.1016/j.heliyon.2023.e23823.

  Best Selected PUBLICATIONS in Landfills (Old)

  • Chakma, S. and Mathur, S. (2017), Modeling gas generation for Landfill. Environmental Technology, 38(11), 1435-1442. https://doi.org/10.1080/09593330.2016.1231226.
  • Chakma, S., Vaishya, R.C., Yadav, A.K. (2016), Modeling chemical compositions of municipal solid waste. Environmental Geotechnics 32, 65-77. https://doi.org/10.1680/envgeo.13.00082.
  • Chakma, S., Vaishya, R.C. (2015), Modeling elemental compositions of municipal solid waste from proximate analysis. International conference on Solid Waste, 19-23 May, 2015.
  • Chakma, S. and Mathur, S. (2013), Postclosure Long-Term Settlement for MSW Landfills. Journal of Hazardous, Toxic, and Radioactive Waste 17(2):81-88. https://doi.org/10.1061/(ASCE)HZ.2153-5515.0000164.
  • Chakma, S. and Mathur, S. (2012), Estimation of Primary and Mechanical Compression in MSW Landfills October 2012Journal of Hazardous, Toxic, and Radioactive Waste 16(4):298-303. https://doi.org/10.1061/(ASCE)HZ.2153-5515.0000117.
  • Chakma, S. and Mathur, S. (2007), Settlement of MSW Landfills due to Biodegradation. Proceedings of the International Conference on Sustainable Solid Waste Management, 5 - 7 September 2007, PP 234-238 .

  PUBLICATIONS Links for the last 4 years

  • https://web.iitd.ac.in/~chakma/publications.html.