Dr. Karnan Chinnadurai ( CSIR-NIO )
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Dr. Karnan Chinnadurai 

Senior Scientist ( Headquarters, Goa )

DepartmentBiological Oceanography (BOD)

Research Interests/SpecializationMarine ecology

Career at CSIR

Date of Joining CSIR : 2019-09-25
Date of Joining Present Post : 2023-09-25
Date of Retirement : 2047-01-31

Contact Details
 Emailkarnanc.nio@csir.res.in
  Office +91 8322450515
  Mobile +91 9941811608
Work Details

Work Domain Scientific

Area of WorkPlankton Ecology, Foodweb Dynamics

People Trained

Number of Ph.D. students supervised (Ongoing & Completed): 3
No of student(s) trained through Internship/Project Work/Dissertation :22

Grant-in-aid Projects
Ongoing Completed
1 1

 Education
Degree Specialization University Graduation Year
Ph.D Marine Science CSIR-NIO, RC, Kochi (Bharathidasan University) 2020
MSc Ocean Science and Technology University of Madras 2011
BSc Zoology (Botany and Chemistry) Madurai Kamaraj University 2008
 Experiences
Position Organization From To
Project Assistant CSIR-National Institute of Oceanography 2017 2019
Senior Research Fellow CSIR-National Institute of Oceanography 2014 2017
Junior Research Fellow CSIR-National Institute of Oceanography 2012 2014
 Scholarship / Awards
Scholarship/Award Award Granting Agency Year
CSIR Young Scientist Award CSIR 2023
 Conferences / Seminars / Workshops / Meetings Presentations
  • Conferences
  •  Dynamics of the Indian Ocean: Perspective and Retrospective,
    ( CSIR-NIO, Goa - 2015 )

  • Workshops
  •  Statistical Analysis & Computational Tools in Ocean Data Processing,
    ( CUSAT, Kochi - 2018 )

     Mudbanks of Kerala: Status, Issues & Societal Concerns,
    ( CSIR-NIO, RC, Kochi - 2017 )

     Time Series Analysis Using R-Package,
    ( CUSAT, Kochi - 2017 )

     Training on Satellite Oceanography: satellite data and tools,
    ( ICMAM-PD, Ministry of Earth Sciences, Chennai - 2012 )

List of articles published in International peer reviewed journals

  1. Karnan, C., Sandhya, S. V., Gauns, M., Pratihary, A., 2021. Impact of lockdown on the environmental quality along the Indian coast and a tropical estuary. Continental Shelf Research 227, 104511. (IF2020: 2.391)
  2. Karnan, C., Jyothibabu, R., Arunpandi, N., Pandiarajan, R.S., Parthasarathi, S., Santhikrishnan, S., 2021. Microplankton size structure induced by a warm-core eddy in the western Bay of Bengal: Role of Trichodesmium abundance. Oceanologia 63, 283-300. (IF2020: 2.427)
  3. Jyothibabu, R., Karnan, C., Arunpandi, N., Krishnan, S. S., Balachandran, K. K., & Sahu, K. C. 2021. Significantly dominant warm-core eddies: An ecological indicator of the basin-scale low biological production in the Bay of Bengal. Ecological Indicators, 121, 107016. (IF2020: 4.958)
  4. Jyothibabu, R., Balachandran, K.K, Jagadeesan, L., Karnan, C., Gupta, G.V.M., Chakraborty, K., Sahu, K.C., 2021. Why the Gulf of Mannar is a marine biological paradise?. Environmental Science and Pollution Research, 1-16. (IF2020: 4.223)
  5. Santhikrishnan, S., Jyothibabu, R., Albin, K.J., Alok, K.T., Karnan, C., Arunpandi, N., Camey, M.F. and Gireesh Kumar, T., 2021. Biophysical implications of the freshwater influx over small spatial scale in the coastal waters along the southwest coast of India during the Southwest Monsoon. Continental Shelf Research 214, 104337. (IF2020: 2.391)
  6. Karnan, C., Jyothibabu, R., Arunpandi, N., Albin, J., Parthasarathi, S., 2020. Implications of micro-plankton and micro-detritus on the food web in the largest monsoonal estuary along the west coast of India. Estuarine, Coastal and Shelf Science 250, 107149. (IF2019: 2.333)
  7. Karnan, C., Jyothibabu, R., Arunpandi, N., Albin Jose, K., Parthasarathi, S., Santhi Krishnan, S., 2020. Response of Microplankton Size Structure to Summer Stratification, Freshwater Influx and Coastal Upwelling in the Southeastern Arabian Sea. Continental Shelf Research 193. (IF2016: 2.134)
  8. Jyothibabu, R., Karnan, C., Jagadeesan, L., Arunpandi, N., Parthasarathi, S., Albin K. J., 2020. Ecological responses of autotrophic microplankton to the eutrophication of the coastal upwelling along the Southwest coast of India. Environmental Science and Pollution Research, 28, 11401-11414. (IF2019: 3.056)
  9. Jyothibabu, R., Jagadeesan, L., Karnan, C, Arunpandi, N, Pandiarajan, R.S, Balachandran, K.K., 2018. Ecological Indications of Copepods to Oxygen-deficient Near-shore Waters, Ecological Indicators 93, 76-90. (IF2016: 3.898)
  10. Jyothibabu, R., Arunpandi, N, Karnan, C, Jagadeesan, L, Manojkumar, T.M, Balachandran, K.K, Naqvi, S.W.A., 2018. Fragilariopsissp. bloom causes yellowish-brown waters off Alappuzha, south-central Kerala coast, India, during the mud bank-upwelling phase. Current Science 115, 152-159. (IF2016: 0.843)
  11. Jyothibabu, R., Balachandran, K.K., Jagadeesan, L., Karnan, C., Arunpandi, N., Naqvi, S.W.A., Pandiarajan, R.S., 2018. Mud Banks along the southwest coast of India are not too muddy for plankton. Scientific Reports 8, 2544. (IF2016: 4.299)
  12. Jyothibabu, R., Arunpandi, N., Jagadeesan, L., Karnan, C., Lallu, K.R., Vinayachandran, P.N., 2018. Response of phytoplankton to heavy cloud cover and turbidity in the northern Bay of Bengal. Scientific Reports 8, 11282. (IF2016: 4.299)
  13. Karnan, C., Jyothibabu, R., Arunpandi, N., Jagadeesan, L., Muraleedharan, K.R., Pratihari, A.K., Balachandran, K.K., Naqvi, S.W.A., 2017. Discriminating the biophysical impacts of coastal upwelling and mud banks along the southwest coast of India. Journal of Marine Systems 172, 24-42. (IF2016: 2.439)
  14. Karnan, C., Jyothibabu, R., Kumar, T.M.M., Balachandran, K.K., Arunpandi, N., Jagadeesan, L., 2017. Seasonality in Autotrophic Mesoplankton in a Coastal Upwelling-mud bank Environment along the Southwest Coast of India and its Ecological Implications. Continental Shelf Research 146, 1-12. (IF2016: 2.064)
  15. Karnan, C., Jyothibabu, R., Kumar, T.M., Jagadeesan, L., Arunpandi, N., 2017. On the accuracy of assessing copepod size and biovolume using FlowCAM and traditional microscopy. Indian Journal of Marine Sciences 46, 1261-1264. (IF2016: 0.172)
  16. Jyothibabu, R., Karnan, C., Jagadeesan, L., Arunpandi, N., Pandiarajan, R.S., Muraleedharan, K.R., Balachandran, K.K., 2017. Trichodesmium blooms and warm-core ocean surface features in the Arabian Sea and the Bay of Bengal. Marine Pollution Bulletin 121, 201-215. (IF2016: 3.146)
  17. Jagadeesan, L., Jyothibabu, R., Arunpandi, N., Karnan, C., Balachandran, K.K., 2017. Dominance of coastal upwelling over Mud Bank in shaping the mesozooplankton along the southwest coast of India during the Southwest Monsoon. Progress in Oceanography 156, 252-275. (IF2016: 3.391)
  18. Arunpandi, N., Jyothibabu, R., Jagadeesan, L., Gireeshkumar, T.R., Karnan, C., Naqvi, S.A., 2017. Noctiluca and copepods grazing on the phytoplankton community in a nutrient-enriched coastal environment along the southwest coast of India. Environmental Monitoring and Assessment 189, 351. (IF2016: 1.687)
  19. Mohan, A.P., Jyothibabu, R., Jagadeesan, L., Lallu, K.R., Karnan, C., 2016. Summer monsoon onset-induced changes of autotrophic pico-and nanoplankton in the largest monsoonal estuary along the west coast of India. Environmental Monitoring and Assessment 188, 93. (IF2016: 1.687)
  20. Jyothibabu, R., Vinayachandran, P.N., Madhu, N.V., Robin, R.S., Karnan, C., Jagadeesan, L., Anjusha, A., 2015. Phytoplankton size structure in the southern Bay of Bengal modified by the Summer Monsoon Current and associated eddies: Implications on the vertical biogenic flux. Journal of Marine Systems 143, 98-119. (IF2016: 2.439)
  21. Jyothibabu, R., Madhu, N.V., Jagadeesan, L., Anjusha, A., Mohan, A.P., Ullas, N., Sudheesh, K., Karnan, C., 2014. Why do satellite imageries show exceptionally high chlorophyll in the Gulf of Mannar and the Palk Bay during the Northeast Monsoon? Environmental Monitoring and Assessment 186, 7781-7792. (IF2016: 1.687)
 Professional Interests
Plankton Ecology
Plankton size structure and food web
Phytoplankton biomass/chlorophyll-a
Microscopy and FlowCAM analysis
Remote sensing of plankton ecology
Satellite data analysis
Data analysis and visualization
Software tools: Ocean Data View; PyFerret; R-Studio; ArcGIS/QGIS; Surfer; Grapher
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