Track B · Mapping flood damage from space

Evidence Verification

Bhote Koshi–Trishuli corridor, Nepal · Flood date: 2026-08-26 · Illustrative network

DEMO DATA

Reference photographs are not geolocated. Satellite observations and field conditions below are illustrative, unverified scenario evidence.

Aerial flood reference

Source: user upload · observation time unknown · location unconfirmed

Incomplete evidence

Ground flood reference

Source: user upload · includes a stock-photo watermark · rights require review

Unverified reference

Nepal flood reference photographs

User-provided references · not satellite inputs or verified case-study evidence

User-provided reference photograph showing flood debris near a building in Nepal — **Debris-affected mountain corridor**Date, exact location, photographer and usage rights unverified

User-provided reference photograph showing a damaged house beside floodwater in Nepal — **Damaged home and channel**Date, exact location, photographer and usage rights unverified

User-provided aerial reference photograph showing flooded buildings in Nepal — **Urban flood extent**Date, exact location, photographer and usage rights unverified

User-provided reference photograph showing people examining flood debris in eastern Nepal — **Debris and settlement impact**Date, exact location, photographer and usage rights unverified

User-provided reference photograph showing a flooded valley settlement in Nepal — **Flooded valley settlement**Date, exact location, photographer and usage rights unverified

User-provided reference photograph showing people observing strong floodwater from rocks — **High-energy flood flow**Date, exact location, photographer and usage rights unverified

Case-study validation · EMSR927

26 August 2026 Bhote Koshi–Trishuli flood, as described in the supplied brief. No official reference layer or independent prediction is loaded. Flood IoU, precision, recall, infrastructure accuracy and settlement-access accuracy: not evaluated. EMSR927 must remain checking-only, never an analysis input.

Awaiting raw-data results and reference maps

Evidence conflict · River Bridge

Verification needed

Sample aerial observation: possible road submersion.
Sample field observation: small vehicles reported passable.
Recommended action: request a time-stamped bridge inspection and current photo.