Professor Sumedha Chakma

Recent PATENT (2020)

• 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 (2023-2019)

  • 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.
  • Islam, S.U., Chakma, S. (2023), Impact of LULC changes on hydrological flow regimes and runoff coefficient in Upper Jhelum Basin, India. Sustainable Water Resources Management, Published online on December 19, 2023, https://doi.org/10.1007/s40899-023-00987-z.
  • Sahu, S. and Chakma, S. (2023), Recent trends on hydrogel development and sustainable applications: a bibliometric analysis and concise review.. Polymer Bulletin (Accepted).
  • Srivastava, A. and Chakma, S. (2023), Lime sludge assisted anaerobic bioreactor landfilling of municipal solid waste for enhanced leachate stabilization and bioenergy yield. Process Safety and Environmental Protection, Volume 178, October 2023, Pages 278-286. https://doi.org/10.1016/j.psep.2023.08.039.
  • Guleria, and Chakma, S. (2023), Mechanistic insights into contaminant transport dynamics in the saturated porous system in the presence of low permeability region using numerical simulations and temporal moment analysis. . Environmental Science Pollution Research (2023), Accepted, (Online 14th July 2023). https://doi.org/10.1007/s11356-023-28779-0.
  • Srivastava, A. and Chakma, S. (2023), Assessment of In-situ Stabilization and Heavy Metal Toxicity Reduction of Sugar Mill Pressmud through Pilot Scale Composting. Environmental Monitoring and Assessment (Accepted). https://www.springer.com/journal/10661/.
  • Raj, R. Saharia, M., and Chakma, S., (2023), Mapping soil erodibility over India. CATENA, Volume 230, September 2023, 107271. https://doi.org/10.1016/j.catena.2023.107271.
  • Sahu, S. and Chakma, S. (2023), Nitrate transport modelling for remediation in the groundwater system: A Numerical Study. e Journal of Geohydrology, 3, 58-67. May, 2023. https://inciah.org/wp-content/uploads/2023/05/INC-IAH-eJournal-Vol3-Special-Issue-May23.pdf.
  • Deb, D., and Chakma, S. (2023), Laboratory experimental investigation on transport of CML colloid and colloid-facilitated Lead(Pb)in Quartz sand column of dfferent grain sizes. e Journal of Geohydrology, 3, 11-19. May, 2023. https://inciah.org/wp-content/uploads/2023/05/INC-IAH-eJournal-Vol3-Special-Issue-May23.pdf.
  • Guleria, A.,Pankaj, G., Chakma, S. and Yadav, B.K. (2023), Unraveling the Fate and Transport of DNAPLs in Heterogeneous Aquifer Systems—A Critical Review and Bibliometric Analysis. Sustainability 2023, 15(10), 8214. https://doi.org/10.3390/su15108214.
  • Boraah, N., Chakma, S., and Kaushal, P. (2023), Options features of wood-based Biochars: A CHARACTERIZATION STUDY. Journal of Environmental Chemical Engineering. Vol. 11(3), June 2023, 109976. https://doi.org/10.1016/j.jece.2023.109976.
  • Ashraf, M., Ahammad, S.Z. and Chakma. S. V. (2023) Advancements in the dominion of fate and transport of pharmaceuticals and personal care products in the environment—a bibliometric study. Environ Sci Pollut Res, 30, 64313–64341 (2023). https://doi.org/10.1007/s11356-023-26796-7.
  • Guleria, A.,Pankaj, G., Chakma, S. and Yadav, B.K. (2023), Temporal moment-based approach to understand the dissolved-phase LNAPL recovery and associated characteristics in the porous system under dynamic groundwater table conditions. Journal of Water Supply: Research and Technology-Aqua. Available March 29, 2023. https://doi.org/10.2166/aqua.2023.188.
  • Jain, L. and Chakma, S. (2023), Parameterisation of infiltration models using Neural Network under simulated hillslope experiments for different land-uses and slopes. Journal of Earth System Science, 132, 20 (2023). https://doi.org/10.1007/s12040-022-02033-6.
  • Majhi, A., Dhanya, C.T. and Chakma, S. (2023), Mutual information based weighted variance approach for uncertainty quantification of climate projections. MethodsX Volume 10, 2023, 102063. https://doi.org/10.1016/j.mex.2023.102063.
  • Jain, L. and Chakma, S. (2023), Effects of temperature and slope on the infiltration rate for landfill surface. Current Science, 124(1), 94-101. https://doi: 10.18520/cs/v124/i1/94-101.
  • Guleria, A., and Chakma, S. (2022), A bibliometric and visual analysis of contaminant transport modelling in the groundwater system: Current trends, hotspots, and future directions. Environmental Science and Pollution Research, Published online: 02 December, 2022. https://doi.org/10.1007/s11356-022-24370-1
  • Shah, S.A., Mathur, S. and Chakms, S. (2022), Numerical Modeling of One Dimensional Variably Saturated Flow in a Homogeneous and Layered Soil-Water System via Mixed Form Richards' Equation with Picard Iterative Scheme. Modeling Earth Systems and Environment. Published online: 25 November, 2022 https://doi.org/10.1007/s40808-022-01588-z.
  • Majhi, A., Dhanya, C.T. and Chakma, S. (2022), Quantification of model uncertainty in sub-daily extreme precipitation projections. Global and Planetary Change, Vol 218, Nov. 2022, 103967. https://doi.org/10.1016/j.gloplacha.2022.103967.
  • Singh, R. Chakma, S., and Birke, V. (2022), Performance of field-scale permeable reactive barriers: an overview on potentials and possible implications for in-situ groundwater remediation applications. Science of the Total Environment (Accepted). https://doi.org/10.1016/j.scitotenv.2022.158838.
  • Deb, D., and Chakma, S. (2022), Application of temporal moment analysis to interpret colloid and colloid-facilitated solute transport under varying size exclusion and attachment coefficient. Environmental Science and Pollution Research. Available online June, 2022. https://doi.org/10.1007/s11356-022-21333-4.
  • Guleria, A., Singh, R., Chakma, S. and Birke, V. (2022), Ecological and human health risk assessment of chromite ore processing residue (COPR) dumpsites in Northern India: A multi–pathways based probabilistic risk approach. Process Safety and Environmental Protection. Available online May 2022 https://doi.org/10.1016/j.psep.2022.05.051.
  • Boraah, N., Chakma, S., and Kaushal, P. (2022), Attributes of wood biochar as an efficient adsorbent for remediating heavy metals and emerging contaminants from water: A critical review and bibliometric analysis. Journal of Environmental Chemical Engineering, 10(3), June 2022, 107825 https://doi.org/10.1016/j.jece.2022.107825.
  • Deb, D., and Chakma, S. (2022), Colloid and Colloid-Facilitated Contaminant Transport in Subsurface Ecosystem – A Concise Review. International Journal of Environmental Science and Technology, PP 1-34, https://doi.org/10.1007/s13762-022-04201-z.
  • Raj, R. Shaharia, M., Chakma, S., and Rafieinasabb, A. (2022), Mapping rainfall erosivity over India using multiple precipitation datasets. CATENA, Volume 214, July 2022, 106256, ahead of print. https://doi.org/10.1016/j.catena.2022.106256.
  • Srivastava, A. and Chakma, S. (2022), Bioavailability Reduction of Heavy Metals through Dual Mode Anaerobic Co-landfilling of Municipal Solid Waste and Industrial Organic Sludge. Chemical Engineering Journal, Available online 11 March 2022, 135725, ahead of print. https://doi.org/10.1016/j.cej.2022.135725.
  • Srivastava, A., and Chakma, S. (2021), Dry tomb – bioreactor landfilling approach for enhanced biodegradation and biomethane generation from municipal solid waste Co-disposed with sugar mill pressmud. Bioresource Technology, Volume 342, December 2021, 125895, ahead of print. https://doi.org/10.1016/j.biortech.2021.125895.
  • Tamru, T. A., and Chakma, S. (2021), Influences of disposable wastewater addition on biodegradation of pretreated solid waste. Waste and Resource Management (Proceedings of the ICE), ahead of print. https://DOI: 10.1680/jwarm.20.00013.
  • Mittal, A., Singh, R., Chakma, S., Goel, G.,and Birke, V. (2021), An integrated permeable reactive barrier and photobioreactor approach for simultaneous removal of nitrate, phosphate and hexavalent chromium: A combined batch and continuous flow study. Bioresource Technology, Volume 333, August 2021, 125201. https://doi.org/10.1016/j.biortech.2021.125201.
  • Srivastava, A., and Chakma, S. (2021), Investigating Leachate Decontamination and Biomethane Augmentation through Co-disposal of Paper Mill Sludge with Municipal Solid Waste in Simulated Anaerobic Landfill Bioreactors. Bioresource Technology, Volume 329, June 2021, 124889. https://doi.org/10.1016/j.biortech.2021.124889.
  • Guleria, A., and Chakma, S. (2021), Discussion of “Examining Fate and Transport of Heavy Metal in Landfill Site through Numerical Environmental Multimedia Modeling Approach” by Jinxin Dong, Zhi Chen, Ke Wang, Yi Han, and Jianbo Guo. Journal of Environmental Engineering, ASCE. 147 (4): 07021003.
  • Guleria, A., and Chakma, S. (2021), Probabilistic Human Health Risk Assessment of Groundwater Contamination due to Metal Leaching: A case study of Indian Dumping sites. Human and Ecological Risk Assessment, 27 (1), 101-133.
  • Guleria, A., and Chakma, S. (2021), Fate and contaminant transport model-driven probabilistic human health risk assessment of DNAPL-contaminated site. Environmental Science and Pollution Research, 28(July), 14358–14371. https://doi.org/10.1007/s11356-020-11635-w.
  • Srivastava, A., and Chakma, S. (2020), Heavy Metals Speciation Study Revealing Merits of Anaerobic Co-disposal of Municipal Solid Waste with Discrete Paper Mill Sludges: An Experimental Investigation in Simulated Landfill Bioreactors. Journal of Environmental Chemical Engineering, 8(5), 104337. https://doi.org/10.1016/j.jece.2020.104337
  • Mittal, A., Singh, R., Chakma, S., and Goel, G. (2020), Permeable Reactive Barriers for the remediation of groundwater contamination with nitrate and phosphate from Pit-Toilet leachate. Journal of Water Process Engineering, 37 (2020) 101471, https://doi.org/10.1016/j.jwpe.2020.101471.
  • Srivastava, A., and Chakma, S. (2020), Quantification of Landfill gas generation and energy generation potential of MSW. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, https://doi.org/10.1080/15567036.2020.1754970.
  • Singh, R. Chakma, S., and Birke, V. (2020), Numerical Modelling and Performance Evaluation of Multi-Permeable Reactive Barrier System for Groundwater Remediation. Journal of Groundwater for Sustainable Development, 10(2020)100317, https://doi.org/10.1016/j.gsd.2019.100317.
  • Tamru, T. A., and Chakma, S. (2020), Small scale bioreactor studies for sustainable municipal solid waste landfilling management in developing countries. International Journal of Environment and Waste Management, 25 (2), 194-219, https://doi.org/10.1504/IJEWM.2020.105350.
  • Garg, A.A., Shawul, A.A., and Chakma, S. (2020), Assessment of sedimentation and useful life of Tehri reservoir using integrated approaches of hydrodynamic modeling, remote sensing, and empirical curves. Current Science, 118(03).<(Published Article in Cover Page) https://doi: 10.18520/cs/v118/i3/411-420.
  • Shawul, A. A., and Chakma, S. (2020), Trend and homogeneity analysis of climatic and hydrologic datasets: a case study of Upper Awash basin, Ethiopia. Theoretical and Applied Climatology 139(Online)1-8. https://doi.org/10.1007/s00704-020-03112-8.
  • Sinha, V., and Chakma, S. (2020), Synthesis and evaluation of CMC-g-AMPS/Fe/Al/AC composite hydrogel and their use in fluoride removal from aqueous solution. Environmental Technology & Innovation, 17 (2020) 100620, 1-13.
  • Shawul, A. A., and Chakma, S. (2020), Suitability of global precipitation estimates for hydrologic prediction in the main watersheds of Upper Awash basin. Environmental Earth Sciences 79:53. https://doi.org/10.1007/s12665-019-8801-3.
  • Shawul, A. A., Chakma, S., and Melesse, A.M. (2019), The response of water balance components to land cover change based on hydrologic modeling and Partial Least Squares Regression (PLSR) analysis in the Upper Awash Basin.Journal of Hydrology: Regional Studies, 26, 100640.
  • Guleria, A., and Chakma, S. (2019), Influence of transport parameters on contaminant plume evolution in saturated porus media: A Numerical Study. Hydrology Journal. 42(1-4), 51-59.
  • Sinha, V., and Chakma, S. (2019), Advances in the preparation of hydrogel for wastewater treatment: A concise review. Journal of Environmental and Chemical Engineering, 7(5) 103295.
  • Shawul, A. A., and Chakma, S. (2019), Spatiotemporal detection of land use/land cover change in the large basin using integrated approaches of remote sensing and GIS in the Upper Awash basin, Ethiopia. Environmental Earth Sciences, 78(5), 141.

  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 .

  Recent Book Chapter

  • Jain, L. and Chakma, S. (2023), Experimental Investigation of Infiltration Influenced by Simulated Macro-microporosity. In: Dutta, S., Chembolu, V. (eds) Recent Development in River Corridor Management. RCRM 2022. Lecture Notes in Civil Engineering, vol 376, pp 117–133, Springer, Singapore. https://doi.org/10.1007/978-981-99-4423-1_9.
  • Guleria, A., Chakma, S., Singh, V.P. (2023), Contaminant Transport Modeling for Homogeneous and Heterogeneous Porous Systems Using MODFLOW Models-Based Scripting Python Package. In: Shukla, P., Singh, P., Singh, R.M. (eds) Env. Processes and Manag. Water Science and Tech. Lib., vol 120. Springer, Cham. https://doi.org/10.1007/978-3-031-20208-7_3.
  • Islam, S.U., Chakma, S. (2023), GIS for Groundwater Resources and Contamination Risk Assessment. In: Shukla, P., Singh, P., Singh, R.M. (eds) Environmental Processes and Management. Water Science and Technology Library, vol 120. Springer, Cham. https://doi.org/10.1007/978-3-031-20208-7_22.
  • Shawul, A. A., and Chakma, S. (2023), Assessment of Land Use Change Impact on Sediment Yield Using SWAT and Partial Least Squares Regression ModelIn: Bhattacharjya, R.K., Talukdar, B., Katsifarakis, K.L. (eds) Sustainable Water Resources Management. Advances in Sustainability Science and Technology. Springer, Singapore. https://doi.org/10.1007/978-981-16-7535-5_7.
  • Ashraf, M., Ahammad, S.Z. and Chakma. S. V. (2022) Recent Advances in the Occurrence, Transport, Fate, and Distribution Modeling of Emerging Contaminants–A Review. In: Dubey, S.K., Jha, P.K., Gupta, P.K., Nanda, A., Gupta, V. (eds) Soil-Water, Agri., and Climate Change. Water Sci. and Tech. Lib., vol 113. Springer, Cham. https://doi.org/10.1007/978-3-031-12059-6_10.
  • Srivastava A. N.*, Singh, R., Chakma, S., Birke, V. (2022) Advancements in Operation of Bioreactor Landfills for Enhanced Biodegradation of Municipal Solid Waste. In: Ganesh P. S., and Pathak, P. (eds) Circular Economy in Municipal Solid Waste Landfilling: Biomining & Leachate Treatment, Springer, Cham, Switzerland.
  • Srivastava, A. N.*, & Chakma, S. (2022) Bioreactor landfills: sustainable solution for disposal of municipal solid waste. In: Hussain, C. and Hait, S (eds) Advanced Organic Waste Management: Sustainable Practices and Approaches. Elsevier, Pages 315-328. https://doi.org/10.1016/B978-0-323-85792-5.00009-5.
  • Guleria A., Chakma S. (2022) Effects of Soil Type on Contaminant Transport in the Aquifer System: A Numerical Investigation Using 2D Mobile-Immobile Model.In: Ashish D.K., de Brito J. (eds) Environmental Restoration. F-EIR 2021. Springer, Cham. vol 232, 143-153 https://doi.org/10.1007/978-3-030-96202-9_12.
  • Tamru, T. A. and Chakma, S. (2021) Artificial Neural Network Model for Prediction of Methane Fraction in Landfill Gas from Pretreated Waste in Bioreactor Landfills. In: Kalamdhad A.S. (eds) Integrated Approaches Towards Solid Waste Management. Springer, Cham. 33-49. https://doi.org/10.1007/978-3-030-70463-6_4.
  • Singh, R., Chakma, S., and Birke, V., (2020) , Long-Term Performance Evaluation of Permeable Reactive Barrier for Groundwater Remediation Using Visual MODFLOW. In: Singh, R., Shukla, P. and Singh, P. (eds.), Environment Processes and Management: Tools & Practices, Springer 311-320. http://doi.org/10.1007/978-3-030-38152-3_16.

  RECENT CONFERENCE PAPERS (2022-2019)

  • Guleria, A., Singh, R., Chakma, S., and Birke V., (2022) Ecological and Human Health Risk Assessment of Soil in and around Chromite Ore Processing Residue (COPR) dumpsites in Kanpur, India. AGU Fall Meeting 2022, 12 - 16 December 2022.
  • Jain, L., and Chakma, S.,(2022) Experimental investigation of infiltration influenced by simulated macro-microporosity. 2nd International Conference on River Corridor Research & Management (IIT Guwahati and IIT Jammu), 30 May - 1 June 2022.
  • Deb, D. and Chakma, S.,(2022) Experimental Investigation on Colloid-Facilitated Chromium Transport in Variably Saturated Soil. 1st International Conference on Advances in Water Treatment and Management (ICAWTM-2022), PDEU Gandhinagar, 25-26 March, 2022.
  • Sahu, S. and Chakma, S.(2022) Effective Management of (Sub) Surface Water Resources in Arid and Semi-arid Regions. 9th International Groundwater Conference (IGWC-2022), Organized by Department of Hydrology,IIT Roorkee, India, November 2-4, 2022.
  • Deb, D. and Chakma, S.,(2022) Laboratory Experimental Investigation on Transport of CML Colloid and Colloid-Facilitated Lead (Pb) in Quartz Sand Column of Different Grain Sizes.9th International Groundwater Conference (IGWC-2022), Organized by Department of Hydrology,IIT Roorkee, India, November 2-4, 2022.
  • Srivastava A. and Chakma, S.,(2022) Artificial Neural Network Modeling for Prediction of Bioenergy Production and Organic Pollutant Removal from Simulated Co-Disposed Landfills. EGU General Assembly, EGU 2022, Proc. from the conference to be held 03 – 08 April 2022 in Vienna, Austria. https://meetingorganizer.copernicus.org/EGU22/EGU22-118.html.
  • Srivastava A. and Chakma, S.,(2022) Augmented Biomethane Recovery from Municipal Solid Waste Co-disposed with Paper Mill Sludge in Optimized Hybrid Bioreactor Landfill. Asia Oceania Geosciences Society (AOGS), 2022. Proc. from the conference to be held 01 – 05 August 2022 in Singapore. https://meetmatt-svr.net/Abstracts/Details?id=16998.
  • Raj, R., Saharia, M., Chakma, S., & Rafieinasab, A.,(2022) Spatial Variability of Rainfall Erosivity over India, European Geophysical Union 2022, Austria Centre Vienna, Austria.
  • Deb, D. and Chakma, S.,(2022) Experimental Investigation on Colloid-Facilitated Chromium Transport in Variably Saturated Soil. International Conference on Advances in Water Treatment and Management (ICAWTM-2022), PDEU Gandhinagar, 25-26 March, 2022.
  • Singh, R., Chakma, S., Birke, V., (2021) Performance Evaluation of Three Different Design Configurations of Permeable Reactive Barrier Model for In-situ Groundwater Remediation. AOGS2021 Virtual, 18th Annual Meeting, Asia Oceania Geosciences Society conference held 01 – 06 August 2021.
  • Srivastava A. and Chakma, S.,(2021) Effect of Leachate Recirculation for Enhancing Biogas Generation from Organic Fraction of Municipal Solid Waste in Simulated Landfill Bioreactors. 4th Int. Conf. on Advances in Civil and Structural Engineering (ICACSE- 2020), Proc. of the conference 28 – 30 May 2020 in GEC Karad, India.
  • Raj. R., Saharia, M., Chakma, S. (2022). An Attempt of Mapping RUSLE Topographic Factors over India, ICCWE 2022, IIT Roorkee, Uttarakhand, India.
  • Raj, R., Saharia, M., Chakma, S., & Rafieinasab, A. (2021) Estimating Rainfall Erosivity using High Resolution IMDAA Precipitation Product over India, AGU 2021, New Orleans, LA, USA..
  • Singh, R., Mittal A., Chakma, S., ,(2021) Three-Dimensional Numerical Modelling for Simultaneous Removal of Multi Contaminants from Permeable Reactive Barrier (PRB): A Long-Term In-situ Aquifer Remediation Study. AGU Fall Meeting, New Orleans, LA, USA American Geophysical Union conference, 13 – 17 December 2021.
  • Guleria, A. and Chakma, S.,(2020) Risk and Uncertainty Assessment of DNAPL Contaminated Groundwater System Challenges of Resilient and Sustainable Infrastructure Development in Emerging Economies (ASCE India 2020 Conference), 02-04 March, 2020, Kolkata,India.
  • Srivastava A. and Chakma, S.,(2020)Settlement and Landfill Gas Generation Analysis of Municipal Solid Waste Co-disposed with Paper Mill Sludge in Simulated Landfill Bioreactors 3rd International conference waste management (RECYCLE'20), IIT Guwahati, February 13-14, 2020.
  • Tamru, A. and Chakma, S.,(2020) Artificial Neural Network Modelling For Prediction Of Methane From Pretreated Waste In Bioreactor Landfills 3rd International conference waste management (RECYCLE'20), IIT Guwahati, February 13-14, 2020.
  • Majhi, A., Dhanya, C.T. and Chakma, S.,(2020) Model Uncertainty in the Projections of Sub-Daily Extreme Precipitation, AGU Fall Meeting, December 2020.
  • Srivastava A. and Chakma, S.,(2019)Co-disposal of organic industrial waste with Municipal Solid Waste in lab scale bioreactor landfills Sardinia 2019 17th International Waste Management and Landfill Symposium, Cagliary Italy, 30Sept-04Oct 2019.
  • Guleria, A. and Chakma, S., (2019) Solute transport parameter estimation using simulation-optimization based approach 8th International Groundwater Conference (IGWC-2019), 21-24 Oct, 2019, IIT Roorkee.
  • Deb, D., and Chakma, S., (2019) Numerical Modeling of Colloid and Colloid-Facilitated Solute Transport in Krishna Vihar Industrial Area 8th Internation Groundwater Conference, IGWC 2019, 21st-24th October 2019, IIT Roorkee.
  • Srivastava A. and Chakma, S., (2019) Quantification of Landfill gas generation and energy generation potential of MSW in 2nd International conference on New frontiers in Chemical, Energy and Environmental Engineering (INCEEE), NIT Warangal, February 15-16, 2019
  • Singh, R., Chakma S., Birke V.,(2019)Simulation study for the application of Permeable Reactive Barrier for aquifer remediation in the proximity of Indian landfill site International conference - European Geosciences Union (EGU)-1342, 7th – 12th April 2019, Vienna, Austria.
  • Sharma, V. and Chakma, S.,(2019)Effect of inclined interface between fresh and seawater fronts on efficiency of subsurface barrier AGU Fall Meeting 2019 - December9-13, San Francisco, CA .