Dr. Sayantan Ganguly

Latest Updates from the SWIM Lab

• Sayantan Ganguly receives research funding under the Advanced Research Grant (December 2025) from the Anusandhan National Research Foundation (ANRF), DS&T, Govt. of India, for the proposal titled "Exploring Terrestrial Water Fluctuations across Major River Basins in Punjab, India: Finding the Hydrological Drivers of Change". The project, which will span over the next three years, aims to explore and investigate the total water storage and its anomalies in the state of Punjab, India, as well as the relevant hydrological drivers responsible for terrestrial water fluctuations.  

• Our review article, led by Rohtash Goswami, on the small-scale power generation using thermoelectric generators driven by waste heat from different sources, the design of such systems and optimization, titled "Progress in the design and development of thermoelectric generator heat recovery systems: A comprehensive review", is published in Renewable and Sustainable Energy Reviews. The work is the outcome of a collaboration between KLU (India), IIT Ropar (India), NIT Agartala (India), UIUC (USA), Imperial College London (UK), and Kyushu University (Japan). Read the article here. 

• Look out for the poster presentations (online) from the Subsurface Water Investigation and Modelling (SWIM) Lab at AGU25, New Orleans, Louisiana, USA, 15-19th Dec 2025.

1. Prashanth T, Ganguly S, & Reddy Komali BN. Examining the impact of COVID-19 on groundwater resources in South-Indian river basins by integrating machine learning techniques with GRACE satellite datasets. (H31N-VR8914). Wednesday, 17 December 2025,  08:30 - 12:00, Hall EFG (Poster Hall) (NOLA CC). 

2. Banerjee D, & Ganguly S. Hydrological Back-casting in Data-Scarce Regions: A Physics-Guided Machine Learning Approach for Historical Groundwater Level Reconstruction (H51Q-VR8931). Friday, 19 December 2025. 08:30 - 12:00. Hall EFG (Poster Hall) (NOLA CC)

• Our study, based on Thallam Prashanth's interesting work on the effect of diminished anthropogenic interventions during Covid-19 lockdown on the groundwater-surface water interaction and non-perennial river flow, entitled "Unveiling hidden perspectives: Examining COVID-19 impact on non-perennial river flow across ungauged river segments and anthropogenic footprint on the hydrological cycle", is published in the Journal of Hydrology: Regional Studies. Read the paper here.

• Dolon Banerjee defends his thesis titled "Machine Learning Applications to Hydrological Variables: Modelling, Estimation and Forecasting Under Changing Climate" successfully on 9th Sep 2025, and becomes the second doctoral recipient from the SWIM Lab. Congratulations, Dr. Dolon!!! 

• Subsurface Water Investigation and Modelling (SWIM) Lab @ the 22nd Annual Meeting of the Asia Oceania Geosciences Society (AOGS) 2025 held at the Marina Bay Sands, Singapore during 27th July-1st Aug 2025. Poster presentations by lab members : 

1. Prashanth T. and Ganguly S. On a novel approach to identify ungauged river sections losing their perenniality & rejuvenation potential due to combined natural forcing and anthropogenic activities.

2. Ganguly S and Ganguly S. Development of a Socio–Economic Vulnerability Index on Exposure to Hexavalent Chromium [Cr(VI)] in the Urban and Rural Areas of Rupnagar District, Punjab, India.

3. Das A, Ganguly S and Pathak S. Prediction of Maize Production for the state of California, USA using Machine Learning Algorithms. 

• Our study, led by Shreya Ganguly, on the investigation of natural attenuation capacity of ambient soil by adsorption, in case of leakage of hexavalent chromium, titled "On the natural attenuation of leaching hexavalent chromium by ambient-soil and associated health-risks: characterization and adsorption studies", is published in Results in Engineering. Read the paper here.

• Shreya Ganguly defends her thesis titled "Efficient Removal of Hexavalent Chromium from Water: Insights into Novel Adsorbents, Health Risks and Vulnerability Studies" successfully and becomes the first doctoral recipient from the SWIM Lab. Congratulations Dr. Shreya!!! 

• Shreya Ganguly receives financial support under the International Travel Support (ITS) grant from the Anusandhan National Research Foundation (ANRF) to attend the Asia Oceania Geosciences Society Annual Meeting  2025 conference to be held in Singapore from 27th Jul to 1st Aug 2025. 

• A science education/popular science article on the striking similarity of some physical laws of nature known as the 'Gradient Laws', entitled "The Gradient Laws of Nature and Their Remarkable Similarities", is published in Resonance: Journal of Science Education. Read the paper here.

• Our work on the groundwater vulnerability in the Rupnagar district of Punjab, led by Thallam Prashanth,  has been published as a chapter in the Book "Decontamination of Subsurface Water Resources System using Contemporary Technologies". Read the chapter here.

• SWIM lab at #EGU25...

Amit Umesh Kantode presents his Master's dissertation work "Development of a precise regional-scale groundwater model by coupling MODFLOW & Machine Learning algorithms: A case study in Bist-Doab region, Punjab, India" on 2nd May 2025 online.  

• This recent article in the TerraGreen Online Magazine, published by The Energy and Resources Institute (TERI), features my interview with the author on the subject of Aquifer Thermal Energy Storage.  

• Our study, led by Dolon Banerjee, on the modelling of reference evapotranspiration using a machine-learning-based framework, titled "A novel hybrid machine learning framework for spatio-temporal analysis of reference evapotranspiration in India", is published in the Journal of Hydrology: Regional Studies. Read the paper here.

• Our study, led by Shreya Ganguly, on the impact of temperature of synthesis of nanoparticles on adsorptive removal efficiency of hexavalent chromium, titled "Using Iron–Oxide Nanoparticles Synthesized at Varying Temperatures to Remove Cr(VI): Characterization, Adsorption Mechanism, and Optimization study" is published in Surfaces and Interfaces. Read the paper here.

• Mr. Muhammad Mansoor Haruna joins the SWIM lab for his PhD research on 20th Jan 2025. Mr. Haruna is the first international student of the research group. 

• Our work on the effect of groundwater drought on river perenniality, led by Thallam Prashanth, entitled "A novel approach to analyze the impact of groundwater drought on the perennial environment and hyporheic zone of surface water bodies." is published in the Journal of Hydrology. Read the paper here. 

• Our paper, led by Rohtash Goswami, titled "Performance optimization study on a novel waste heat flow-based wick-finned distillation system for clean and sustainable pure water production", is published in Sustainable Energy Technologies and Assessment. Read the article Here.

• Anisha Das and Dolon Banerjee's work titled "Assessment of the evolution of groundwater quality for the state of California, United States using weighted index overlay analysis." is published in Advances in Geosciences (EGU). The article is part of the special issue “Groundwater management in the context of global change: integrating innovative approaches (EGU2024 HS8.2.1 session)” from the EGU General Assembly 2024, Vienna, Austria, 14–19 April 2024.  Read the article Here.

• Sayantan Ganguly attends the "21st Annual Meeting of the Asia Oceania Geosciences Union" (AOGS2024) to present a study titled "Assessment of the Evolution of Groundwater Quality Using Machine Learning and Deep Learning Models." co-authored by Anisha Das and Dolon Banerjee. 

• Shreya Ganguly's work "Addition of magnetite nanoparticles and chitin biopolymer powders into the ambient sandy loam soil for the effective removal of Cr(VI): Batch adsorption and optimization study by response surface methodology" is published in Advanced Powder Technology. Read the article Here. 

• Sayantan Ganguly receives financial support under the International Travel Scheme (ITS) grant from the Science & Engineering Research Board (SERB) [now Anusandhan National Research Foundation (ANRF)] to attend the Asia Oceania Geosciences Society Annual Meeting  2024 conference in South Korea in June 2024. 

• Dolon Banerjee's work entitled "Forecasting Future Groundwater Recharge from Rainfall Under Different Climate Change Scenarios Using Comparative Analysis of Deep Learning and Ensemble Learning Techniques" gets published in Water Resources Management. Read the article Here.

• The Indian Express covers our recent project on the replenishment of sand in the rivers of Punjab. For the report, click Here