Research

Peer-reviewed work on ocean optics, phytoplankton and coastal dynamics, newest first within each theme.

Ocean optics and phytoplankton

• Expansion of low-chlorophyll regions in the tropical Indian Ocean: spatial patterns and physical–biogeochemical associations Vijaya Krishna A, Srijith B, Smruthi VM, Deb SK, Sharma R, Khanna P Marine and Freshwater Research 77(15), MF26083, 2026. Explainer

• Optical variability of Trichodesmium erythraeum and T. theibautii blooms in the Arabian Sea: from pigments to satellite signals Vijaya Krishna A, Srijith B, Tirkey A, Raman M, Deb SK Remote Sensing Applications: Society and Environment 43, 102251, 2026. Explainer

• Linking derivative absorption spectra and HPLC pigments to satellite observations for phytoplankton typing in coastal India Krishna AV, Srijith B, Tirkey A, Ali SM, Ganguly D, Gupta A, Raman M, Deb SK, Sharma R Journal of the Indian Society of Remote Sensing, 2026 (published online 3 September)

• Spectral deconvolution of green Noctiluca bloom pigments via fourth derivative analysis: a step toward dedicated remote sensing algorithms Tirkey A, Vijaya Krishna A, Srijith B, Ali SM, Babu KN, Sahay A, Deb SK, Solanki H 2025 IEEE India Geoscience and Remote Sensing Symposium (InGARSS), Bhubaneswar, pp. 311–315, 2025. Conference paper

Coastal and estuarine dynamics

• Are artificial barrages necessary to prevent saline incursion? A modelling approach to restore the healthy ecosystem of the Vembanad Lake John S, Revichandran C, Muraleedharan KR, Seena G, Gautham S, Srijith B, Azeez SA, Cazenave P Environmental Modeling & Assessment 27(5), 791–816, 2022

• Current asymmetry and its implications for morphological changes in Vembanad Lake, the second largest wetland ecosystem in India John S, Revichandran C, Muraleedharan KR, Srijith B, Seena G, Abdul Azeez S Estuarine, Coastal and Shelf Science 246, 107013, 2020

• Formation mechanism of mud bank along the southwest coast of India Muraleedharan KR, Dinesh Kumar PK, Prasanna Kumar S, John S, Srijith B, Anil Kumar K, Naveen Kumar K, Gautham S, Samiksha V Estuaries and Coasts 41(4), 1021–1035, 2018

• Application of hydrodynamic model in regulating the salt incursion in the upper reaches of Vembanad Lake, southwest coast of India John S, Revichandran C, Muraleedharan KR, Seena GM, Gautham S, Srijith B International Conference on Sonar Systems and Sensors (ICONS), NPOL, Kochi, February 2018. Conference paper

• Observed salinity changes in the Alappuzha mud bank, southwest coast of India and its implication to hypothesis of mudbank formation Muraleedharan KR, Dinesh Kumar PK, Prasanna Kumar S, Srijith B, John S, Naveen Kumar KR Continental Shelf Research 137, 39–45, 2017