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📢 New Research Publication from Indian National Centre for Ocean Information Services

We are pleased to share a recent publication affiliated with Indian National Centre for Ocean Information Services by Nidheesh Gangadharan and co-authors.

🌍 Research Highlight

Does geocentric sea-level rise in the Maritime Continent reveal a tectonic fingerprint?

This study investigates whether observed geocentric sea-level rise in the Maritime Continent contains signatures of underlying tectonic processes. The findings provide valuable insights into the complex interactions between sea-level change, vertical land motion, and regional geodynamics.

📝 Citation

Gangadharan, N., Coulson, S., Delbridge, B. G., Ertel, G., Moise, A., & Palmer, M. D. (2026). Does geocentric sea-level rise in the Maritime Continent reveal a tectonic fingerprint? Geophysical Research Letters, 53, e2026GL122469.

🔗 Read the full article: DOI: 10.1029/2026GL122469 Ministry of Earth Sciences Government of India

കേരളത്തിലെ തിരുവനന്തപുരം തീരത്ത് കാപ്പിൽ മുതൽ പൊഴിയൂർ വരെയുള്ള ഭാഗത്ത് 2026 മെയ് 11 ന് വൈകുന്നേരം 5:30 മുതൽ 2026 മെയ് 12 ന് വൈകുന്നേരം 5:30 വരെ കള്ളക്കടൽ ഉണ്ടാകുമെന്ന് INCOIS മുന്നറിയിപ്പ് നൽകിയിരുന്നു. 19.0 സെക്കൻഡ് ദൈർഘ്യവും1.1 മീറ്റർ വരെ ഉയരവുമുള്ള തിരമാലകൾ പ്രവചിക്കപ്പെട്ടിരുന്നു,
തിരുവനന്തപുരത്തെ ഡി.ഇ.ഒ.സി സ്ഥിരീകരിച്ചതുപോലെ, പൊഴിയൂർ - തെക്കേ കൊല്ലംകോഡിന് സമീപം കടൽവെള്ളം വീടുകളിലേക്ക് കയറി, ഒരു തീരദേശ റോഡ് തടസ്സപ്പെട്ടു, ചില കുടുംബങ്ങളെ മാറ്റിപ്പാർപ്പിച്ചു. വർക്കല പാപനാശത്തിന് സമീപം കടൽക്ഷോഭം രൂക്ഷമായതായും വാർത്താ ഏജൻസികൾ റിപ്പോർട്ട് ചെയ്തു. വിവിധ പ്രാദേശിക മാധ്യമങ്ങൾ INCOIS പുറപ്പെടുവിച്ച കള്ളക്കടൽ മുന്നറിയിപ്പ് സ്ഥിരീകരിക്കുകയും തീരദേശ സുരക്ഷയ്ക്കും തയ്യാറെടുപ്പിനും സമയബന്ധിതമായ സമുദ്ര സംസ്ഥാന ഉപദേശങ്ങളുടെ പ്രാധാന്യം എടുത്തുകാണിക്കുകയും ചെയ്യുന്നു.

INCOIS had issued a swell surge alert for the Thiruvananthapuram coast, Kerala, from Kappil to Pozhiyoor, valid from 17:30 hrs on 11 May 2026 to 17:30 hrs on 12 May 2026.
Swell waves with a period upto 19.0 sec and swell height upto 1.1 m were forecasted, with a possibility of wave surges along the coast. As confirmed by DEOC, Thiruvananthapuram, inundation occurred near Pozhiyoor–Thekke Kollamcode, with seawater entering houses, a coastal road being cut off, and few families relocated. Severe rough sea conditions were also reported near Varkala Papanasam by news agencies.
The observed Kallakkadal event, which was reported by various regional media, confirms the swell surge alert issued by INCOIS and highlights the importance of timely ocean state advisories for coastal safety and preparedness.

Indian National Centre for Ocean Information Services signed an MoU with ICAR-National Bureau of Fish Genetic Resources to advance collaborative initiatives in ocean observation and marine ecological applied research, supporting fisheries and ecosystem services.
The MoU was signed by the Directors of INCOIS and NBFGR during the release of deep-sea cell lines generated under the Deep Ocean Mission, in the presence of Dr. M. Ravichandran at NBFGR Headquarters, Lucknow.
The occasion also marked the signing of additional MoUs between NBFGR, Centre for Marine Living Resources and Ecology, and Indian Institute of Tropical Meteorology, strengthening collaborative scientific efforts in support of the UN Decade of Ocean Science.
Ministry of Earth Sciences Government of India Balakrishnan Nair Press Information Bureau - PIB, Government of India

INCOIS congratulates Dr. Borra Sivaiah on being awarded the Ph.D. degree from Andhra University 🎓

His research on rip currents, using field surveys, remote sensing, and numerical modelling, contributes toward safer coasts and improved ocean hazard understanding 🌊 Ministry of Earth Sciences Government of India

We were privileged to host 14 IAF ab-initio officer trainees along with 02 instructors from the Air Force Academy at the Indian National Centre for Ocean Information Services.

During their visit, the trainees were introduced to INCOIS’s cutting-edge ocean information services, operational systems, and its vital role in supporting maritime safety and national missions.

Such interactions help bridge defence and scientific communities, empowering future officers with knowledge that contributes to informed decision-making and national service. 🇮🇳

We sincerely thank the Indian Air Force for this enriching engagement.

Ministry of Earth Sciences Government of India

We were delighted to host 120 students from Sridevi Women's Engineering College, Hyderabad at INCOIS on 30 April 2026.

An engaging visit filled with learning, innovation, and insights into ocean science & technology. 🌊


Ministry of Earth Sciences Government of India Press Information Bureau - PIB, Government of India Sridevi Women's Engineering College

We were honored to host 18 participants of the NIRD&PR–CIRDAP International Training Programme on “Building Resilient Rural Communities in a Changing Climate” on 30 April 2026.

A meaningful exchange on sustainability, rural resilience, and collaborative learning. 🌱

Ministry of Earth Sciences Government of India

INCOIS has been conferred the prestigious Subhash Chandra Bose Aapda Prabandhan Puraskar 2025 for excellence in disaster management and ocean hazard early warning services. As part of the award, INCOIS received the certificate along with a cash prize of ₹51,00,000. This honour highlights INCOIS’s contributions across the entire disaster management cycle —prevention, preparedness, and response. A proud moment for ocean science community.

Science serving society

Narendra Modi
PMO India
Amit Shah
MyGovIndia
Ministry of Earth Sciences Government of India
NDMA DISASTER MITIGATION AWARENESS (NDMA) GROUP
Press Information Bureau - PIB, Government of India

Intergovernmental Oceanographic Commission (IOC) of UNESCO

A proud moment for INCOIS to receive the prestigious Subhas Chandra Bose Aapda Prabandhan Puraskar 2025 award for its outstanding contributions to disaster management and ocean hazard early warning services. The award was presented today by Hon’ble Union Minister of Communications, Shri. Jyotiraditya M. Scindia to Dr. T. M. Balakrishnan Nair, Director, INCOIS, at National Institute of Disaster Management in New Delhi.
This recognition further strengthens INCOIS’s commitment to delivering accurate, timely, and reliable ocean forecasts, advancing towards a safer and disaster-resilient India 🌊

New Research Insight | Ocean Response to Cyclone Mocha

A recent study using deep-sea gliders during Cyclone Mocha reveals how tropical cyclones significantly influence ocean conditions in the Bay of Bengal.

📊 Key findings include:
🌡️ Drop in Sea Surface Temperature (~2.5°C)
🧂 Slight increase in salinity (~0.9 psu)
🌿 Surge in chlorophyll levels indicating enhanced productivity
💧 Rise in dissolved oxygen due to vertical mixing & upwelling
⏳ Stronger biological bloom observed 8–9 days after the cyclone,

DOI:10.1038/s41598-026-43528-2

🔍 Insight: Cyclones play a crucial role in reshaping ocean physics and boosting marine ecosystem activity—often beyond what models predict.
Ministry of Earth Sciences Government of India