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ssociate Professor Department of Geology, School of Earth Sciences, Central University of Tamil Nadu, Thiruvarur
Dr. R. Jayangonda Perumal, , is Associate Professor, Department of Geology, School of Earth Sciences, Central University of Tamil Nadu, Thiruvarur. His field of specialisation is STRUCTURAL GEOLOGY AND TECTONICS. He has completed his doctoral degree at H.N.B Garhwal University, Srinagar (Garhwal), UTTARAKHAND, Wadia Institute of Himalayan Geology and Title of the Thesis was Structural Evolution of Mussoorrie Syncline, Lesser Himalaya, and U.P, India.
Tamil Nadu Science Forum 2026
On 26 Aug 2026 (~02:55 GMT / 08:25–08:30 NST), a catastrophic flood struck the Bhotekoshi–Trishuli river system on the Nepal–China border, likely from a massive ice-rock avalanche off Langtang-Lirung's north flank into the Lhende Khola. Evidence suggests not a classic GLOF but glacial mass wasting triggering a flash flood, with flood heights over 100 m in places. The debris surge caused 7,000+ deaths/missing and vast infrastructure damage in both countries (UNDP) — the worst glacier-collapse disaster recorded in the Himalayas. Based on open-access sources; no field observations by the speaker.
Date & Time
Saturday, September 26, 2026 10:30 AM
Location
2nd floor, Anna Centenary Library, Kotturpuram, Chennai
Event Type
Hybrid
Schedule
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Sep 26, 2026
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On 26 Aug 2026 (~02:55 GMT / 08:25–08:30 NST), a catastrophic flood struck the Bhotekoshi–Trishuli river system on the Nepal–China border, likely from a massive ice-rock avalanche off Langtang-Lirung's north flank into the Lhende Khola. Evidence suggests not a classic GLOF but glacial mass wasting triggering a flash flood, with flood heights over 100 m in places. The debris surge caused 7,000+ deaths/missing and vast infrastructure damage in both countries (UNDP) — the worst glacier-collapse disaster recorded in the Himalayas. Based on open-access sources; no field observations by the speaker.
Sep 19, 2026
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மாற்றுத்திறனாளிகளின் கல்வி, தகவல் தொடர்பு, வேலைவாய்ப்பு மற்றும் சுதந்திரமான வாழ்விற்கு உதவக்கூடிய செயற்கை நுண்ணறிவு (AI), உதவி உபகரணங்கள் மற்றும் அணுகல்தன்மை (Accessibility) கொண்ட நவீன தொழில்நுட்பங்கள் குறித்து இந்த சொற்பொழிவில் விவாதிக்கப்படும். அனைவருக்குமான பயன்பாட்டு வடிவமைப்பு , STEM கல்வி மற்றும் மறுவாழ்வுத் துறையில் ஏற்பட்டுள்ள புதிய மாற்றங்கள் இங்கு சுட்டிக்காட்டப்படும். அனைவரும் சம வாய்ப்புகளையும் பங்கேற்பையும் பெற தொழில்நுட்பத்தை ஒரு சக்திவாய்ந்த கருவியாகப் பயன்படுத்த கல்வியாளர்கள், வல்லுநர்கள், மாணவர்கள் மற்றும் குடும்பங்களை ஊக்குவிப்பதே இச்சொற்பொழிவின் முதன்மை நோக்கமாகும்.
Sep 5, 2026
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Malnutrition in India is structural, not accidental. Small improvements in nutritional indicators cannot be read as 'successes,' as those left behind face significant, often irreversible adverse outcomes. The causes go beyond failing policies and programs to the virulent presence of discrimination in its many forms. "Meat of the Matter" challenges prejudices and misconceptions around food in India, while examining the political, social, and economic context behind them.
Sessions
Explore curated lectures, workshops and symposia from Glacier collapse cascading hazards in the China-Nepal border on August 26, 2026
On 26 August 2026 at approximately 02:55 GMT (08:25–08:30 NST), a catastrophic flood impacted the Bhotekoshi–Trishuli river system along the Nepal–China border. This event was likely triggered by a large ice–rock avalanche originating from the northern flank of Langtang-Lirung Peak. The avalanche entered the Lhende Khola, triggering a cascade of meltwater, ice, rock, sediment, and debris. Satellite evidence and preliminary assessments indicate that the event did not constitute a conventional Glacial Lake Outburst Flood (GLOF). Instead, the event likely resulted from glacial or ice–rock mass wasting and an avalanche that cascaded into the Lhende Khola. This process subsequently triggered a catastrophic flash flood, causing extensive disruption to the river corridor and infrastructure, with reported flood heights exceeding 100 meters in some locations. The resulting high-energy mass movement of ice, water, debris, and rock traveled downstream, resulting in over 7,000 fatalities or missing persons and extensive damage to thousands of buildings and critical infrastructure in both countries (source: United Nations Development Program). This event represents the most severe glacier-collapse disaster recorded in the Himalayas and ranks among the most catastrophic of its kind globally. There are no field observations made by the speaker of this talk. However, Speaker has compiled information from various sources, and pre-print papers available in open access have been used to develop this talk. He acknowledges all the sources used for this talk.
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Venue
2nd floor, Anna Centenary Library, Kotturpuram, Chennai
Date & Time
Sat, 26 Sept, 2026
Complete Address
2nd floor, Anna Centenary Library, Kotturpuram, Chennai