{
  "stage": 14,
  "frozen_field": "outputs/timestep_convergence/dt30s_seed20261113_sparse.npz",
  "source_sha256": "4cde6e9375a258a575baaa0306197db25a9434f9b8bbc06151bd0ff6fe26d0d6",
  "process_sha256": "21155125d6497703bd6733a2bdf681a48cd6634ac7b673dee45fd5295fc5b324",
  "native_shape": [
    15,
    52,
    368,
    520
  ],
  "native_grid_m": 500,
  "vertical_layers": 52,
  "height_interval_AGL_m": [
    0,
    25
  ],
  "receptors": [
    {
      "id": "LS12",
      "lon": 120.63809991597867,
      "lat": 30.24894919215468,
      "ix": 474,
      "iy": 268,
      "cell_lon": 120.63993987923472,
      "cell_lat": 30.251009964426874,
      "mean_ug_m3": 0.10762124982230015
    },
    {
      "id": "LS13",
      "lon": 120.6377333503414,
      "lat": 30.24820290083626,
      "ix": 474,
      "iy": 267,
      "cell_lon": 120.63993987923472,
      "cell_lat": 30.24651840855192,
      "mean_ug_m3": 0.13839579231872123
    },
    {
      "id": "LS15",
      "lon": 120.63844788338125,
      "lat": 30.253077821227393,
      "ix": 474,
      "iy": 268,
      "cell_lon": 120.63993987923472,
      "cell_lat": 30.251009964426874,
      "mean_ug_m3": 0.10762124982230015
    },
    {
      "id": "LJ01",
      "lon": 120.62871499584624,
      "lat": 30.250146152461955,
      "ix": 472,
      "iy": 268,
      "cell_lon": 120.62956707526078,
      "cell_lat": 30.251009964426874,
      "mean_ug_m3": 0.20883794777392392
    },
    {
      "id": "Hangzhou reference",
      "lon": 120.15,
      "lat": 30.27,
      "ix": 380,
      "iy": 272,
      "cell_lon": 120.15241809245943,
      "cell_lat": 30.268976187926697,
      "mean_ug_m3": 0.0045415589083397465
    }
  ],
  "total_emitted_kg": 1626.8400000000001,
  "final_airborne_kg": 13.002010259518482,
  "cumulative_process_kg": {
    "Dry deposition": 194.77299566885503,
    "Wet deposition": 41.97148611869198,
    "Chemical loss": 500.9460276540456,
    "Lateral export": 876.1474802832098,
    "Model-top export": 0.0
  },
  "maximum_mass_residual_kg": 1.7015054254443385e-08,
  "surface_mass_integral_checks": true,
  "physical_data_changed": false,
  "solver_runs": 0,
  "independent_saved_receptor_checks": [
    {
      "outlet": "LS12",
      "max_error_ug_m3": 5.551115123125783e-17,
      "independent_saved_samples": 15
    },
    {
      "outlet": "LS13",
      "max_error_ug_m3": 5.551115123125783e-17,
      "independent_saved_samples": 15
    },
    {
      "outlet": "LS15",
      "max_error_ug_m3": 5.551115123125783e-17,
      "independent_saved_samples": 15
    },
    {
      "outlet": "LJ01",
      "max_error_ug_m3": 5.551115123125783e-17,
      "independent_saved_samples": 15
    }
  ],
  "limits": [
    "500 m is a density estimator, not weather resolution.",
    "Forecast profiles are horizontally uniform; ambient vertical flow is unresolved.",
    "Daily field sampling uses 24 hourly endpoint samples.",
    "Stage 15 terrain is pending; stage 14 has flat physical ground.",
    "Local concentration and vertical/time convergence are not established.",
    "The four EIA rates assume operation; actual operation and flow reference basis remain unverified."
  ]
}