LANDIS spatial biomass (ME/WA/GA)

[holoros]

LANDIS-II statewide spatial biomass, 3 states

Adds public/api/spatial_biomass_3state.json: statewide LANDIS-II v8 spatial live-AGB carbon trajectories 2025-2100 (5-yr step, ~270 m grid, reserve / no-harvest) for ME, WA, GA. Per state: year -> {total_TgC, mean_MgC_ha, n_cells}.

State	2025 TgC	2100 TgC	climate
ME	115.2	297.3	baseline PRISM
WA	162.2	2252.5	baseline PRISM
GA	270.1	3302.7	HadGEM3 ssp245

npm run build verified (vite; file lands in dist/api/).

Honesty caveats (also embedded in the JSON)

• Demonstration initialization: initial-communities biomass is uniform 1000 g/m2, NOT FIA-anchored per-cohort biomass. Absolute TgC magnitudes reflect this uniform IC + accumulation under no-harvest; treat as a reproducible-pipeline demonstration, not a calibrated inventory projection.
• GA climate is HadGEM3_ssp245 (no baseline PRISM staged for GA); ME and WA use baseline PRISM. Cross-state magnitude comparisons confounded by this climate difference.
• Reserve / no-harvest scenario; no management removals.

Draft, not for merge. Generated by scheduled task perseus-spatial-wa-ga-finalize.