Arjun Chennu

Dr. Arjun Chennu

Work Group Leader

Phone: +49 421 23800 - 821

Fax: +49 421 23800 - 30

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Office: Fahrenheitstr. 8
28359 Bremen
Room: 3001 (ground floor)

Research interests

Habitat mapping and environmental description
Machine learning and modeling
Underwater spectral imaging
Benthic photosynthesis and ecology
Development of in-situ instruments & methods
Software tools for science
Scientific diving




  • Hermann Neuhaus Prize from the Max Planck Society. In 2018, the Max Planck Foundation and the Hermann Neuhaus Foundation bestowed the first ever Hermann Neuhaus Prize in recognition of achievements towards marine habitat mapping with the invention of the HyperDiver and supporting a spin-off company.
  • Annette Barthelt Prize for best dissertation. In 2016, I received the Annette-Barthelt-Stiftung's prize for best doctoral dissertation in marine sciences.
  • Articles about HyperDiver
    • Article in Mongabay
    • Article in Ocean Bites about HyperDiver
    • Article in Innovations Report
    • Article in Nature news
    • Article in "Research Success Stories" by the European Commission
    • Article on TARA Oceans: French Polynesia expedition
    • Article in MIT German Technology Review
    • Article in


Google scholar: Arjun Chennu

  • Gerbersdorf, S. U., Koca, K., de Beer, D., Chennu, A., Noss, C., Risse-Buhl, U., Weitere, M., Eiff, O., Wagner, M., Aberle, J., Schweikert, M., & Terheiden, K. (2020). Exploring flow-biofilm-sediment interactions: Assessment of current status and future challenges. Water Research, 116182. [doi: 10.1016/j.watres.2020.116182]
  • Koopmans, D., Holtappels, M., Chennu, A., Weber, M., & de Beer, D. (2020). High Net Primary Production of Mediterranean Seagrass (Posidonia oceanica) Meadows Determined With Aquatic Eddy Covariance. Frontiers in Marine Science, 7. [doi: 10.3389/fmars.2020.00118]
  • Rashid, A. R., & Chennu, A. (2020). A Trillion Coral Reef Colors: Deeply Annotated Underwater Hyperspectral Images for Automated Classification and Habitat Mapping. Data, 5(1), 19. []
  • Chennu, A (2018), "Microbenthos: a modeling framework for microbial benthic ecology", Journal of Open Source Software [doi: 10.21105/joss.00674] [software:]
  • Koopmans, D., Holtappels, M., Chennu, A., Weber, M., and de Beer, D (2018, in review), "The response of seagrass (Posidonia oceanica) meadow metabolism to CO2 levels and hydrodynamic exchange determined with aquatic eddy covariance", Biogeosciences. [doi: 10.5194/bg-2018-199]
  • Chennu A, Färber P, De’ath G, de Beer D and Fabricius KE (2017), "A diver-operated hyperspectral imaging and topographic surveying system for automated mapping of benthic habitats", Nature Scientific Reports., August, 2017. Vol. 7(1), pp. 7122. [doi: 10.1038/s41598-017-07337-y]
  • Fink A, den Haan J, Chennu A, Uthicke S and de Beer D (2017), "Ocean acidification changes abiotic processes but not biotic processes in coral reef sediments", Frontiers in Marine Science. [doi: 10.3389/fmars.2017.00073]
  • de Beer D, Weber M, Chennu A, Hamilton T, Lott C, Macalady J and Klatt JM (2017), "Oxygenic and anoxygenic photosynthesis in a microbial mat from an anoxic and sulfidic spring", Environmental Microbiology. [doi: 10.1111/1462-2920.13654]
  • Chennu A, Grinham A, Polerecky L, de Beer D and Al-Najjar MAA (2015), "Rapid Reactivation of Cyanobacterial Photosynthesis and Migration upon Rehydration of Desiccated Marine Microbial Mats.", Frontiers in Microbiology, 6:1472. [doi: 10.3389/fmicb.2015.01472]
  • Chennu A, Volkenborn N, de Beer D, Wethey DS, Woodin SA and Polerecky L (2015), "Effects of Bioadvection by Arenicola marina on Microphytobenthos in Permeable Sediments", PLoS ONE., Jul, 2015. Vol. 10(7), pp. e0134236. [doi: 10.1371/journal.pone.0134236]
  • Chennu A (2014), "Mapping the microscale variability of microphytobenthos: Development of a hyperspectral imaging method". Thesis at: Universität Bremen [source]
  • Chennu A, Färber P, Volkenborn N, Al-Najjar MAA, Janssen F, de Beer D and Polerecky L (2013), "Hyperspectral imaging of the microscale distribution and dynamics of microphytobenthos in intertidal sediments", Limnology and Oceanography: Methods. Vol. 11, pp. 511-528. [doi: 10.4319/lom.2013.11.511]
  • Chennu A (2008), "Optical Coherence Tomography for Biomedical Applications: Use of Bessel Beams Explored". Thesis at: University of St. Andrews.
  • Plakhotnik T, Chennu A and Zvyagin A (2006), "Statistics of single-electron signals in electron-multiplying charge-coupled devices", IEEE Transactions On Electron Devices., Apr, 2006. Vol. 53(4), pp. 618–622. Institute of Electrical & Electronics Engineers (IEEE). [doi: 10.1109/ted.2006.870572]