PROTOTYPE — synthetic data. Provenance badges mark which engine produced each panel: Quantum Quantum-inspired Classical
Cryosphere map · elevation change & velocity
Tensor-fusedSURFACE Δh/Δt (m·a⁻¹)
−2.5 strong loss
−1.0
0 stable
◷ lake-hazard node
Headline indicators
ObservedNet mass balance
-0.62 m w.e.
▼ steepening
Area lost YoY
1.31 %
▼ accelerating
ELA shift
+87 m
▼ rising since 2000
Mean velocity
40 m·a⁻¹
▼ thinning drag
Mass balance in metres water-equivalent. Indicators recompute on each basin / scenario change.
Mass-balance forecast · probability fan
Quantum-sampledMedian projection
50% interval
90% interval
Observed
Driver attribution
QML kernelAir temp (multi-level)
31%
Black carbon / albedo
22%
Monsoon precip deficit
18%
ENSO / IOD phase
14%
Debris-cover feedback
9%
Other / residual
6%
Estimated contribution of each driver to recent mass change, from quantum-kernel regime analysis.
Scenario comparator · projected loss by 2100
Amplitude-est. riskSelect a pathway to propagate it through the forecast fan and intervention planner.
Pattern explorer · discovered driver modes
qPCAEach node is a coupled mode extracted from the joint ocean–atmosphere–cryosphere field; edge thickness is coupling strength.
Intervention planner · optimized portfolio
QAOA / annealing| # | Action | Target site | Expected melt slowdown | Cost | Confidence |
|---|---|---|---|---|---|
| 01 | Reflective geotextile cover | Gangotri tongue (2.1 km²) | 9.4% Δmelt | $$ | 0.78 |
| 02 | Regional black-carbon cut | Indo-Gangetic source cluster | 7.1% Δmelt | $$$ | 0.69 |
| 03 | Glacial-lake level drawdown | South Lhonak-type L-2 | 5.8% Δmelt | $$ | 0.83 |
| 04 | Artificial snow / ice stupa | Khumbu village catchments | 3.2% Δmelt | $ | 0.61 |
| 05 | Albedo-managed snowfields | Baltoro accumulation zone | 2.6% Δmelt | $$ | 0.55 |
Portfolio is the optimizer's ranked allocation under the selected scenario and a fixed budget. Quantum result is shown only because it matched-or-beat the classical MILP baseline on this instance (A/B gate passed).
Alerts & hazard watch
Hybrid early-warning!
South Lhonak-type lake — rapid area gain (+14% in 30 d)
GLOF precursor · lead time est. 6–10 weeks · confidence 0.71
▲
Gangotri tongue: albedo drop linked to black-carbon deposition event
Ablation-acceleration watch · driver-attributed to regional aerosol transport
▲
Pre-monsoon free-air warming anomaly at 500 hPa (+1.8 K vs climatology)
Seasonal ablation likely above median · revise seasonal forecast