Faculty Profile

Dr. Prafulla Kumar Sahoo
UGC-Assistant Professor
Department of Environmental Sciences and Technology
School of Environment and Earth Sciences
Central University of Punjab
Bathinda- 151001
Email Id: pk.sahoo@cup.edu.in; prafulla.iitkgp@gmail.com 
Mobile: +91-7814409180
Education :
Degree Name of Institute Percentage
Ph.D., Environmental Geochemistry Dept. of Geology and Geophysics, IIT Kharagpur, India 8.5 CGPA
M.Sc., Environmental Science Central University Visva-Bharati, West Bengal, India First Class
B.Sc., Chemistry North Orissa University, Orissa, India First Class with Distn
Experience :
Institute Position
Central University of Punjab, Bathinda, India UGC-FRP Assistant Professor
Vale Institute of Technology, Belem, Brazil Adjunct Research
Kunsan National Unievrsity, South Korea Postdoctoral Fellow
IIT Kahragpur, India Research Fellow

Research Experinces: More than 9 years

Research Interests :
Broad Research Area:
Environmental Geochemistry

Current Research Interests:

Regional-scale of geochemical mapping, Arsenic behavior in groundwater and soil-rhizosphere system, Geochemistry of Acid mine drainage, Environmental bioremediation, Paleoweathering and paleoclimate reconstruction using geochemical proxies, and the role of environmental and demographic factors in the transmission of COVID-19
Recognition & Scholarships :
  • InSc (Institute of Scholar) Research Excellence Award, 2020, India;
  • Affiliated member of the Brazilian Academy of Science, 2019, Brazil;
  • Best Young Scientist National Award from IRDP, Innovative Research Developers and Publishers, 2018, India;
  • Brain-Korea (BK-21) Postdoctoral Research Fellowship from Kunsan National University, 2011, South Korea;
  • Doctoral Research Fellowship from the Indian Institute of  Technology Kharagpur, 2006, India;
  • Qualified Graduate Aptitude Test in Engineering (GATE) in 2006.
Research Projects Finished :


  • Geochemical mapping and background estimation in the Itacaiúnas river basin – PA (Vale Institute of Technology);
  • Paleoclimate and Evolution of the Rainforest in the Eastern Amazon during the Quaternary(Vale Institute of Technology, Brazil);
  • Monitoring of the Water Resources in the Itacaiúnas River Basin, Para, Brazil (Vale Institute of Technology, Brazil);
  • Limnoecology of the Carajás plateau lagoons, southeastern Amazon: possible effects of recent climate changes on lake ecosystems (Instituto Tecnologico Vale CNPQ/Universal);


  • UGC Start-Up grant of amount Rs. 10.0 lakhs
Analytical instrument handling
My analytical expertise includes X-Ray Fluorescent Spectrometry (XRF), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), X-Ray Diffraction Spectroscopy (XRD), and Atomic Absorption Spectrophotometry (AAS), Scanning Electron Microscopy (SEM), Ion Selective Electrode Potentiometry (ISE), UV Visible Spectrophotometry (UV-VIS) and Total Kjeldahl Nitrogen analysis (TKN). I am proficient in all physical and wet chemical methods of sample preparation for the above techniques as well as instrumentation/operation, calibration, data quality assurance and data interpretation.
Student Supervision :
Ph.D: 1 (ongoing);
8 (completed), 3 (onging)

Peer-reviewed research articles

  • Total number of publications: 51
  • Sum of the time cited: 942 (Google scholar); 620 (Scopus)
  • h-index: 16 (Google scholar); 14 (Scopus)
  • i10 Index: 30 (Google scholar)
  • RG Score: 29

Publications in Journals

  1. Prafulla Kumar Sahoo, Roberto Dall'Agnol, Gabriel Negreiros Salomão et al., 2020. Regional-scale mapping for determining geochemical background values in soils of the Itacaiúnas River Basin, Brazil: The use of compositional data analysis (CoDA), Geoderma,376, 114504, 2020,  [IF: 4.8, Elsevier].
  2. Prafulla Kumar Sahoo, Mike A Powell, Sunil Mittal, V K Garg 2020. Is the transmission of novel coronavirus disease (COVID-19) weather dependent? Journal of the Air & Waste Management Association (Accepted). DOI: 10.1080/10962247.2020.1823763. [IF 2.25, Taylor & Francis].
  3. Prafulla Kumar Sahoo, Amit Kumar Chauhan, Sherry Mangla, Ashok Kumar Pathak, and V. K. Garg. 2020. COVID-19 pandemic: an outlook on its impact on air quality and its association with environmental variables in major cities of Punjab and Chandigarh, India. Environmental Forensic (Accepted) [IF: 0.8, Taylor & Francis].
  1. Prafulla Kumar Sahoo, Sherry Mangla, Ashok Kumar Pathak, Gabriel Negreiros Salãmao, Dibyendu Sarkar. 2020. Pre-to-post lockdown impact on air quality and the role of environmental factors in spreading the COVID-19 cases – a study from a worst-hit state of India Journal of Biometeorology, [IF: 2.9, Springer].
  2. Sunil Mittal, Ravishankar Kumar, Prafulla Kumar Sahoo, Sunil Kumar. 2020. Geochemical assessment of groundwater contaminants and associated health risks in the Shivalik region of Punjab, India. Toxin Reviews (accepted). DOI: 10.1080/15569543.2020.1802597. [IF: 2.84,Taylor & Francis].
  3. Prafulla Kumar Sahoo, Roberto Dall'Agnol, Gabriel Negreiros et al., 2020. Salomão Source and background threshold values of potentially toxic elements in soils by multivariate statistics and GIS-based mapping: a high density sampling survey in the Parauapebas basin, Brazilian Amazon. Environmental Geochemistry and Health, 42, 255-282 [IF: 3.47, Springer].
  4. Gabriel Negreiros, Roberto Dall'Agnol, Prafulla Kumar Sahoo, et al., 2020. Geochemical mapping in stream sediments of the Carajás Mineral Province: Background values for the Itacaiúnas River watershed, Brazil. Applied Geochemistry, 118, 104608. [IF: 2.8,Elsevier].
  5. Prafulla Kumar Sahoo, Roberto Dall'Agnol, Gabriel Negreiros Salomão, et al., 2019. High resolution hydrogeochemical survey and estimation of baseline concentrations of trace elements in surface water of the Itacaiúnas River Basin, southeastern Amazonia: Implication for environmental studies, Journal of Geochemical Exploration, 205, 106321 [IF: 3.35,Elsevier].
  6. Ravishankar Kumar, Sunil Mittal, Sunayana Peechat, Prafulla Kumar Sahoo, Sunil Kumar Sahoo, 2019. Quantification of groundwater–agricultural soil quality and associated health risks in the agri-intensive Sutlej River Basin of Punjab, India. Environmental Geochemistry and Health, https://doi.org/10.1007/s10653-020-00636-w [IF: 3.47, Springer].
  7. Sharma, S., Kumar R., Sahoo, P.K., Mittal, S. 2020. Geochemical relationship and translocation mechanism of arsenic in rice plants: A case study from health prone south west Punjab, India. Groundwater for Sustainable Development, 10, 100333. Elsevier.
  8. Gursharan Kaur, Ravishankar Kumar, Sunil Mittal, Prafulla Kumar Sahoo, Upma Vaid. 2019. Ground/drinking water contaminants and cancer incidence: A case study of rural areas of South West Punjab, India. Human and Ecological Risk Assessment: An International Journal, DOI: 10.1080/10807039.2019.1705145 [IF: 2.3, Taylor & Francis].
  9. Kumar, R., Mittal, S., Sahoo, P.K., et al., Source apportionment, chemometric pattern recognition and health risk assessment of groundwater from southwestern Punjab, India, Environmental Geochemistry and Health, 2020, Accepted. https://doi.org/10.1007/s10653-020-00518-1 [IF: 3.47, Springer].
  10. Gabriel Negreiros Salomão, Marco Aurélio Figueiredo, Roberto Dall'Agnol, Prafulla K Sahoo, et al., 2019. Geochemical mapping and background concentrations of iron and potentially toxic elements in active stream sediments from Carajás, Brazil–implication for risk assessment. Journal of South American Earth Sciences, 92, 151-166.[IF: 1.78, Elsevier].
  11. Tasso Guimarães, Prafulla Sahoo, et al., 2019. Upland Lakes of the Carajás Region: Origin and Development through Time, Preprints 2019, 2019050214 (doi: 10.20944/preprints201905.0214.v1).
  12. Paulo RM Pontes, Rosane BL Cavalcante, Prafulla K Sahoo, et al., 2019. The role of protected and deforested areas in the hydrological processes of Itacaiúnas River Basin, eastern Amazonia. Journal of Environmental Management, 235, 489-499. (Elsevier).
  13. Prafulla Kumar Sahoo, José Tasso Felix Guimarães, et al., 2019. Statistical analysis of lake sediment geochemical data for understanding surface geological factors and processes: An example from Amazonian upland lakes, Brazil. CATENA, 175, 47-62.[IF: 4.15, Elsevier].
  14. Gabriel Negreiros Salomão, Roberto Dall'Agnol, Prafulla Kumar Sahoo, et al., 2018. Geochemical distribution and threshold values determination of heavy metals in stream water in the sub-basins of Vermelho and Sororó rivers, Itacaiúnas River watershed, Eastern Amazon, Brazil. Geochimica Brasiliensis, 32, 180-198.
  15. Gabriel Negreiros Salomão, Roberto Dall'Agnol, Rômulo S Angélica, Marco Aurélio Figueiredo, Prafulla K Sahoo, Carlos A de Medeiros Filho, Marlene F da Costa, 2019. Geochemical mapping and estimation of background concentrations in soils of Carajás mineral province, eastern Amazonian Craton, Brazil. Geochemistry: Exploration, Environment, Analysis, geochem2018-066. https://doi.org/10.1144/geochem2018-066.[IF: 1.2, Geoscienceworld].
  16. Juarez Ventura de Oliveira, Douglas Batista da Silva Ferreira, Prafulla Kumar Sahoo, et al., 2018. Differences in precipitation and evapotranspiration between forested and deforested areas in the Amazon rainforest using remote sensing data. Environmental Earth Sciences, 77, 2018 (accepted). https://link.springer.com/article/10.1007/s12665-018-7411-9. [IF: 1.76, Springer]
  17. Marcio S Silva, José TF Guimarães, Pedro WM Souza Filho, Wilson Nascimento Júnior, Prafulla K Sahoo, Francisco R Costa, Renato O Silva Júnior, Tarcísio M Rodrigues, Marlene F Costa. Morphology and morphometry of upland lakes over lateritic crust, Serra dos Carajás, southeastern Amazon region. Anais da Academia Brasileira de Ciências, 90, 1309-1325, 2018. [IF: 1.3, Scielo]
  18. Prafulla Kumar Sahoo, José Tasso Felix Guimarães, et al., 2017. Geochemical characterization of the largest upland lake of the Brazilian Amazonia: Impact of provenance and processes. Journal of South American Earth Sciences, 80, 541-558, 2017. [IF: 1.78, Elsevier]
  19. José Tasso Felix Guimarães, Prafulla Kumar Sahoo, Luiza Santos Reis. Modern pollen rain raises doubts about the intensity and extension of the Last Glacial Cycle in Carajás: A reply to D’Apolito et al. The Holocene, Vol 28, Issue 2, pp. 332 – 335. 2017. [IF: 2.59, SAGE Journals]
  20. José Tasso Felix Guimarães, Tarcísio Magevski Rodrigues, Luiza Santos Reis, Mariana Maha Jana Costa de Figueiredo, Delmo Fonseca da Silva, Ronnie Alves, Tereza Cristina Giannini, Léa Maria Medeiros Carreira, Anna Christina Rio Dias, Edilson Freitas da Silva, Prafulla Kumar Sahoo, Marcio Sousa da Silva, Pedro Walfir Martins Souza-Filho. Modern pollen rain as a background for palaeoenvironmental studies in the Serra dos Carajás, southeastern Amazonia. The Holocene, 27, 1055-1066, 2017. [IF: 2.59, SAGE Journals].
  21. Luiza Santos Reis, José Tasso Felix Guimarães, Pedro Walfir Martins Souza-Filho, Prafulla Kumar Sahoo, Mariana Maha Jana Costa de Figueiredo, Everaldo Barreiros de Souza, Tereza Cristina Giannini. Environmental and vegetation changes in southeastern Amazonia during the late Pleistocene and Holocene, Quaternary International, 83-105, 2017. [IF: 2.1, Elsevier]
  22. Sk Md Equeenuddin, Abhijit Panda, Vishal Singh, Prafulla Kumar Sahoo, Subhashis Sahu, Sumit Kumar Basantray. Geochemical appraisal of mine discharge and tailing at Malanjkhand copper mine, India. Journal of the Geological Society of India, 209-216, 2017. [IF: 0.89, Springer]
  23. Prafulla K Sahoo, José TF Guimarães, et al., Limnological characteristics and planktonic diversity of five tropical upland lakes from Brazilian Amazon. Annales de Limnologie-International Journal of Limnology, 53, 467-483, 2017. [IF: 0.88, Limnology-journal.org]
  24. Ivan Nancucheo, José AP Bitencourt, Prafulla K Sahoo, Joner Oliveira Alves, José O Siqueira, Guilherme Oliveira. Recent Developments for Remediating Acidic Mine Waters Using Sulfidogenic Bacteria. BioMed Research International. Article ID 7256582, 17 pages. [IF: 2.58, Hindawi Publisher].
  25. José TF Guimarães, Prafulla K Sahoo, Pedro WM Souza-filho, et al., 2016. Holocene history of a lake filling and vegetation dynamics of the Serra Sul dos Carajás, southeast Amazonia. Anais da Academia Brasileira de Ciências. http://dx.doi.org/10.1590/0001-3765201720160916. [IF: 1.3, Scielo]
  26. Equeenuddin Sk. Md, Subhasish Tripathy, Prafulla Kumar Sahoo, Amit Ranjan. 2016. Geochemical characteristics and mode of occurrence of trace elements in coal at West Bokaro coalfield. International Journal of Coal Science & Technology, 3, 399-406 (Springer).
  27. José Tasso Felix Guimarães, Prafulla K Sahoo, Pedro Walfir Martins e Souza Filho, Renato Oliveira Silva Júnior, Roberto Dall’Agnol. Late Quaternary environmental and climate changes registered in lacustrine sediments of the Serra Sul de Carajás, south-east Amazonia. Journal of Quaternary Science, 31, 61-74, 2016 (Wiley, IF: 3.5).
  28. Prafulla K Sahoo, JTF Guimarães, PWM Souza-Filho, MS da Silva, CW Maurity, et al., Geochemistry of upland lacustrine sediments from Serra dos Carajás, Southeastern Amazon, Brazil: Implications for catchment weathering, provenance, and sedimentary processes. Journal of South American Earth Sciences, 72, 178-190 2016 (Elsevier, IF: 1.78).
  29. Prafulla K Sahoo, Sk. Md. Equeenuddin, M. A. Powell. Trace elements in soils around coal mines: Current scenario, impact, and available techniques for management. Current Pollution Report, 2, 1-14, 2016. (IF: 3.2, Springer).
  30. Prafulla K Sahoo, JTF Guimarães, PWM Souza-Filho, MS da Silva, CW Maurity, et al., Influence of seasonal variation on the hydro-biogeochemical characteristics of two upland lakes in the Southeastern Amazon, Brazil. An. Acad. Bras. Ciênc. vol.88 no.4 Rio de Janeiro Oct./Dec. 2016. [IF: 1.3, Scielo]
  31. Prafulla. K. Sahoo, S. Tripathy, M. K. Panigrahi, Sk. Md. Equeenuddin. 2017. Anthropogenic contamination and risk assessment of heavy metals in stream sediments influenced by acid mine drainage from a northeast coalfield, India. Bulletin of Engineering Geology and the Environment. Volume 76, Issue 2, pp 537-552. (IF: 2.1, Springer).
  32. Prafulla Kumar Sahoo, Kanjoo Kim, M. A. Powell. Managing Groundwater Nitrate Contamination from Livestock Farms: Implication for Nitrate Management Guidelines. Current Pollution Reports. September 2016, Volume 2, Issue 3, pp 178-187. (IF: 3.2, Springer).
  33. José Tasso Felix Guimarães, Prafulla K Sahoo, Pedro Walfir Martins e Souza Filho, Renato Oliveira Silva Júnior, Roberto Dall’Agnol. Late Quaternary environmental and climate changes registered in lacustrine sediments of the Serra Sul de Carajás, south-east Amazonia. Journal of Quaternary Science, 31, 61-74 2016 (IF: 3.5, Wiley).
  34. Prafulla K Sahoo, Pedro Walfir Martins e Souza Filho, José Tasso Felix Guimarães, Carmen Lara Manes, Douglas Oti, Renato Oliveira Silva Júnior, Roberto Dall’Agnol. Use of multi-proxy approaches to determine the origin and depositional processes in modern lacustrine sediments, Southeastern Amazon, Brazil. Applied Geochemistry, 52, 130-146 2015. (IF-2.8, Elsevier)
  35. P. K Sahoo, S. Tripathy, M. K. Panigrahi, Sk. Md. Equeenuddin Geochemical characterization of coal and waste rock from a high sulfur bearing coalfield, India: implication for acid mine drainage generation. Journal of Gechemical Exploration, 145, 135-147, 2014. (IF; 3.4, Elsevier).
  36. Prafulla K Sahoo and A. Mukherjee. 2014. Arsenic fate and transport in the groundwater-soil-plant system: an understanding of suitable rice paddy cultivation in arsenic enriched areas. Recent Trends in Modeling of Environmental Contaminants (Online ISBN: 978-81-322-1783-1), Chapter 1, pp. 21-44. (Springer, New Delhi).
  37. P. K   Sahoo,  S.  Tripathy,  M.  K.  Panigrahi, Sk. Md.  Equeenuddin. Inhibition of acid mine drainage from a pyrite-rich mining waste using industrial by-products: role of neo-formed phases. Water, Air & Soil Pollution  Journal, 224, 1757, 2013. (IF 1.7: Springer).
  38. P. K Sahoo, S. Tripathy, M. K. Panigrahi, Sk. Md. Equeenuddin. Mineralogy of Fe-precipitates and their role in metal retention from an acid mine drainage site in India. Journal of Mine Water and Environment, 31, 344-352, 2012 (IF: 3.18, Springer).
  39. Sk.  Md.  Equeenuddin,  S.  Tripathy,  P.  K.  Sahoo,  M.  K.  Panigrahi.  Metal  Behavior  in Sediments Associated with Acid Mine Drainage Stream: Role of pH. Journal of Gechemical Exploration, 124, 230-237, 2013. (IF: 3.45, Elsevier)..
  40. Prafulla Kumar Sahoo, Wei Zhu, Seok-Hwi Kim, Myung Chae Jung, Kangoo Kim. Relations of arsenic concentrations among groundwater, soil, and paddy from an alluvial plain of Korea. Geoscience Journal, 17, 363-370, 2013.( IF: 1.29, Springer).
  41. PK Sahoo, K Kim, Sk Md Equeenuddin, MA Powell. Current Approaches for Mitigating Acid Mine Drainage. Reviews of Environmental Contamination and Toxicology, 226, 1-32, 2013. (IF: 5.7, Springer).
  42. P. K Sahoo, K. Kim. A review of the arsenic concentration in paddy rice from the perspective of geoscience. Geosciences Journal, 17, 107-122, 2013. (IF: 1.29, Springer).
  43. P. K Sahoo, S. Tripathy, M. K. Panigrahi, Sk. Md. Equeenuddin. Evaluation of the use of an alkali modified fly ash as a potential adsorbent for the removal of metals from acid mine drainage. Applied Water Science, 3, issue 3, 567-576, 201 .(Springer).
  44. P. K Sahoo, S. Tripathy, Sk. Md. Equeenuddin, M. K. Panigrahi. Geochemical Characteristics of Coal Mine Discharge vis-à-vis Behavior of Rare Earth Elements at Jaintia Hill Coalfield, Northeastern India. Journal of Gechemical Exploration, 112, 235–243, 2012. (IF: 3.4, Elsevier).
  45. Prafulla Kumar Sahoo, Pradip Bhattacharyya, Subhasish Tripathy, Sk. Md. Equeenuddin, M.K. Panigrahi. Influence of different forms of acidities on soil microbiological properties and enzyme activities at an acid mine drainage contaminated site. Journal of Hazardous Materials, 179, 966 – 975, 2010. (IF: 9.0, Elsevier).
  46. Sk. Md. Equeenuddin, S. Tripathy, P. K. Sahoo, M. K. Panigrahi. Hydrogeochemical Characteristics of Acid Mine Drainage and Water Pollution at Makum Coalfield, India. Journal  of Geochemical Exploration. 105, 75-82, 2010. (IF 3.4: Elsevier).
  47. Himadri Bhusan Sahoo, Subhasish Tripathy, Prafulla Kumar Sahoo, Sk. Md. Equeenuddin. Utilization of ochre as an adsorbent to remove Pb(II) and Cu(II) from contaminated aqueous media. Environmental Earth Sciences, 72, 243-250, 2014.( IF: 1.7, Springer).