Transboundary upstream barrier-lake measurements, drainage bulletins and air-ground radar surveys — MWR China, MEM China & IKCEST

Outcome
Completed
Search date
Source
Ministry of Water Resources & Ministry of Emergency Management of China; IKCEST
Reference
RUN-20260915-056
Aim
Catalog official transboundary measurements of the upstream barrier lake in Gyirong, including lake volume estimates, breach monitoring, and airborne/radar surveys.
Source and interface
Ministry of Water Resources & Ministry of Emergency Management of China; IKCEST — Official government news and emergency disaster reduction portals
Search method
Query Ministry of Water Resources of China and Ministry of Emergency Management bulletins for Gyirong barrier lake; retrieve IKCEST DRS4BR TY-50 X-band SAR interpretation report and official lake outflow measurements. Retain authoritative Chinese government releases with English translations.
Criteria
Target period2026-08-26 through 2026-09-02. Transboundary barrier lakes and river discharge at the China–Nepal border.
Coverage
Official upstream lake evolution, impoundment volumes, breach dynamics, and air-ground emergency monitoring observations.
Stopping rule
Exhaust published ministry press releases, technical bulletins, and IKCEST emergency data products for the event period.
Result

3 transboundary monitoring resources recovered across 6 assets: MWR barrier-lake measurement bulletins, MEM air-ground monitoring updates, and IKCEST TY-50 SAR interpretation.

Resource links below show the completed assessment outcomes. The search result above records discovery at the search date.

MEM China bulletins on monitoring and emergency response following the Gyirong disaster

2026-08-26: Triggering Position and Impacted Region of the Aug. 26 2026 Flash/Debris Disaster near Nepal-China Border

Gyirong Landslide-Dammed Lake Measurements and Emergency Outflow Bulletins (Ministry of Water Resources, China) — Excluded