{
 "ocl_version": "0.1.0",
 "name": "Wawenoc Drive",
 "slug": "wawenoc-drive",
 "confidence": "B",
 "reported_claims": [],
 "ladder": [
  {
   "window_m": 2.0,
   "max_gradient_pct": 31.67139039660327,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 694.0,
   "end_distance_m": 696.0,
   "start_elevation_m": 79.37426840514547,
   "end_elevation_m": 80.00769621307754,
   "min_gradient_pct": -23.642179310705558
  },
  {
   "window_m": 3.0,
   "max_gradient_pct": 31.409048439785654,
   "diagnostic": true,
   "flags": [],
   "start_distance_m": 694.0,
   "end_distance_m": 697.0,
   "start_elevation_m": 79.37426840514547,
   "end_elevation_m": 80.31653985833904,
   "min_gradient_pct": -21.685013964380556
  },
  {
   "window_m": 5.0,
   "max_gradient_pct": 30.859354226796825,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 692.0,
   "end_distance_m": 697.0,
   "start_elevation_m": 78.7735721469992,
   "end_elevation_m": 80.31653985833904,
   "min_gradient_pct": -21.132773949907744
  },
  {
   "window_m": 10.0,
   "max_gradient_pct": 28.286100262892262,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 692.0,
   "end_distance_m": 702.0,
   "start_elevation_m": 78.7735721469992,
   "end_elevation_m": 81.60218217328843,
   "min_gradient_pct": -20.66077690740002
  },
  {
   "window_m": 20.0,
   "max_gradient_pct": 26.176646463471087,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 688.0,
   "end_distance_m": 708.0,
   "start_elevation_m": 77.784626793054,
   "end_elevation_m": 83.01995608574822,
   "min_gradient_pct": -19.177176197301975
  },
  {
   "window_m": 25.0,
   "max_gradient_pct": 25.37311867187327,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 688.0,
   "end_distance_m": 713.0,
   "start_elevation_m": 77.784626793054,
   "end_elevation_m": 84.12790646102232,
   "min_gradient_pct": -18.237674424604506
  },
  {
   "window_m": 50.0,
   "max_gradient_pct": 20.474794651045357,
   "diagnostic": false,
   "flags": [],
   "start_distance_m": 673.0,
   "end_distance_m": 723.0,
   "start_elevation_m": 75.28340761717227,
   "end_elevation_m": 85.52080494269495,
   "min_gradient_pct": -13.07226366925289
  },
  {
   "window_m": 100.0,
   "max_gradient_pct": 12.809195450533453,
   "diagnostic": false,
   "flags": [
    "structure_excluded"
   ],
   "start_distance_m": 674.0,
   "end_distance_m": 774.0,
   "start_elevation_m": 75.3720894681164,
   "end_elevation_m": 88.18128491864985,
   "min_gradient_pct": -9.921329832176497,
   "suppressed_max_gradient_pct": 14.225059919442458,
   "suppressed_location_m": [
    626.0,
    726.0
   ]
  }
 ],
 "shape": {
  "ascent_concentration": 0.44,
  "concentration_window_frac": 0.25,
  "longest_pitch_10pct_m": 58.0,
  "shape_class": "sustained"
 },
 "length_m": 996.8625738344267,
 "start_elevation_m": 68.20717764067987,
 "end_elevation_m": 109.98356791589751,
 "endpoint_gain_m": 41.776390275217636,
 "overall_gradient_pct": 4.190787313292841,
 "accumulated_ascent_m": 62.51295141600538,
 "window_maxima": {
  "max_5m": {
   "gradient_pct": 30.859354226796825,
   "start_distance_m": 692.0,
   "end_distance_m": 697.0,
   "midpoint_distance_m": 694.5,
   "start_elevation_m": 78.7735721469992,
   "end_elevation_m": 80.31653985833904,
   "start_xy": [
    446365.7351790667,
    4911861.544570661
   ],
   "end_xy": [
    446370.7324555229,
    4911861.3795615295
   ]
  },
  "max_10m": {
   "gradient_pct": 28.286100262892262,
   "start_distance_m": 692.0,
   "end_distance_m": 702.0,
   "midpoint_distance_m": 697.0,
   "start_elevation_m": 78.7735721469992,
   "end_elevation_m": 81.60218217328843,
   "start_xy": [
    446365.7351790667,
    4911861.544570661
   ],
   "end_xy": [
    446375.7296987947,
    4911861.21356194
   ]
  },
  "max_20m": {
   "gradient_pct": 26.176646463471087,
   "start_distance_m": 688.0,
   "end_distance_m": 708.0,
   "midpoint_distance_m": 698.0,
   "start_elevation_m": 77.784626793054,
   "end_elevation_m": 83.01995608574822,
   "start_xy": [
    446361.7373909289,
    4911861.677563663
   ],
   "end_xy": [
    446381.72639742086,
    4911861.014563449
   ]
  },
  "max_25m": {
   "gradient_pct": 25.37311867187327,
   "start_distance_m": 688.0,
   "end_distance_m": 713.0,
   "midpoint_distance_m": 700.5,
   "start_elevation_m": 77.784626793054,
   "end_elevation_m": 84.12790646102232,
   "start_xy": [
    446361.7373909289,
    4911861.677563663
   ],
   "end_xy": [
    446386.7236406926,
    4911860.848563857
   ]
  },
  "max_50m": {
   "gradient_pct": 20.474794651045357,
   "start_distance_m": 673.0,
   "end_distance_m": 723.0,
   "midpoint_distance_m": 698.0,
   "start_elevation_m": 75.28340761717227,
   "end_elevation_m": 85.52080494269495,
   "start_xy": [
    446346.74562746374,
    4911862.17455585
   ],
   "end_xy": [
    446396.718160953,
    4911860.517571259
   ]
  },
  "max_100m": {
   "gradient_pct": 12.809195450533453,
   "start_distance_m": 674.0,
   "end_distance_m": 774.0,
   "midpoint_distance_m": 724.0,
   "start_elevation_m": 75.3720894681164,
   "end_elevation_m": 88.18128491864985,
   "start_xy": [
    446347.7450825982,
    4911862.141549274
   ],
   "end_xy": [
    446446.01548394246,
    4911872.754127314
   ]
  }
 },
 "window_minima": {
  "min_5m": {
   "gradient_pct": -21.132773949907744,
   "start_distance_m": 578.0,
   "end_distance_m": 583.0,
   "midpoint_distance_m": 580.5,
   "start_elevation_m": 76.41644860642833,
   "end_elevation_m": 75.35980990893295,
   "start_xy": [
    446262.2997062318,
    4911898.170798657
   ],
   "end_xy": [
    446266.83687874133,
    4911896.06983142
   ]
  },
  "min_10m": {
   "gradient_pct": -20.66077690740002,
   "start_distance_m": 577.0,
   "end_distance_m": 587.0,
   "midpoint_distance_m": 582.0,
   "start_elevation_m": 76.61985769130665,
   "end_elevation_m": 74.55378000056665,
   "start_xy": [
    446261.39214114076,
    4911898.590710045
   ],
   "end_xy": [
    446270.4665338001,
    4911894.388878506
   ]
  },
  "min_20m": {
   "gradient_pct": -19.177176197301975,
   "start_distance_m": 572.0,
   "end_distance_m": 592.0,
   "midpoint_distance_m": 582.0,
   "start_elevation_m": 77.49130253998464,
   "end_elevation_m": 73.65586730052425,
   "start_xy": [
    446256.85501188436,
    4911900.691769833
   ],
   "end_xy": [
    446275.00408768014,
    4911892.288734773
   ]
  },
  "min_25m": {
   "gradient_pct": -18.237674424604506,
   "start_distance_m": 571.0,
   "end_distance_m": 596.0,
   "midpoint_distance_m": 583.5,
   "start_elevation_m": 77.6446004109325,
   "end_elevation_m": 73.08518180478137,
   "start_xy": [
    446255.94753733993,
    4911901.111876866
   ],
   "end_xy": [
    446278.6337423523,
    4911890.607781932
   ]
  },
  "min_50m": {
   "gradient_pct": -13.07226366925289,
   "start_distance_m": 555.0,
   "end_distance_m": 605.0,
   "midpoint_distance_m": 580.0,
   "start_elevation_m": 78.843028635928,
   "end_elevation_m": 72.30689680130155,
   "start_xy": [
    446241.4280260228,
    4911907.833763293
   ],
   "end_xy": [
    446286.7474955025,
    4911886.7293451885
   ]
  },
  "min_100m": {
   "gradient_pct": -9.921329832176497,
   "start_distance_m": 526.0,
   "end_distance_m": 626.0,
   "midpoint_distance_m": 576.0,
   "start_elevation_m": 81.30356926322096,
   "end_elevation_m": 71.38223943104447,
   "start_xy": [
    446214.8598084218,
    4911918.74434042
   ],
   "end_xy": [
    446303.4200139425,
    4911873.961137938
   ]
  }
 },
 "diagnostic_window_maxima": {
  "max_2m": {
   "gradient_pct": 31.67139039660327,
   "start_distance_m": 694.0,
   "end_distance_m": 696.0,
   "midpoint_distance_m": 695.0,
   "start_elevation_m": 79.37426840514547,
   "end_elevation_m": 80.00769621307754,
   "start_xy": [
    446367.7340890566,
    4911861.478549061
   ],
   "end_xy": [
    446369.73299985693,
    4911861.412552005
   ]
  },
  "max_3m": {
   "gradient_pct": 31.409048439785654,
   "start_distance_m": 694.0,
   "end_distance_m": 697.0,
   "midpoint_distance_m": 695.5,
   "start_elevation_m": 79.37426840514547,
   "end_elevation_m": 80.31653985833904,
   "start_xy": [
    446367.7340890566,
    4911861.478549061
   ],
   "end_xy": [
    446370.7324555229,
    4911861.3795615295
   ]
  }
 },
 "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). Diagnostic use only: never a headline or ranking value.",
 "quality_summary": {
  "structure_suppression": {
   "masked_fraction": 0.051,
   "windows_resited": [
    100.0
   ],
   "windows_unresolved": []
  },
  "excluded_ranges_m": [
   [
    601.0,
    651.0
   ]
  ],
  "review": [],
  "extent": [
   "descends_at_start",
   "may_continue_beyond_end"
  ]
 },
 "provenance": {
  "analysis_version": "0.1.0",
  "sample_interval_m": 1.0,
  "interpolation": "bilinear",
  "smoothing": "none",
  "gradient_windows_m": [
   5.0,
   10.0,
   20.0,
   25.0,
   50.0,
   100.0
  ],
  "diagnostic_windows_m": [
   2.0,
   3.0
  ],
  "elevation_crs": "EPSG:26919",
  "elevation_resolution_m": 1.0,
  "elevation_tiles": [
   "data/cache/usa/me/USGS_1M_19_x44y492_ME_SouthCentral_B22.tif"
  ],
  "calculated_at": "2026-08-25T06:11:55+00:00",
  "road_source": "../ne-docs/me/wawenoc-drive/wawenoc-drive.geojson",
  "run_id": "rebatch-xsection-me-260825",
  "elevation_provider": "USGS 3DEP (The National Map)",
  "elevation_licence": "Public domain \u2014 USGS 3DEP 1 m DEM, courtesy of the U.S. Geological Survey",
  "elevation_dataset": "USGS 3DEP 1 m DEM, ME_SouthCentral_B22 (collected 2022)",
  "elevation_tile_ids": [
   "x44y492"
  ],
  "climb_origin": "discovered",
  "notes": "NE box session: masked re-batch, xsection channel-crossing evidence (calibrated vs the NHD-confirmed population, 2026-08-25) + manifest masks where present. ADOPTED (NE wave 1, 2026-08-25): clean-steep. Wales dials per PRODUCTION 'US ADOPTION DIALS'. MASKED RE-BATCH (2026-08-25): culvert-class V-dip masks applied (NHD flowline / xsection channel-crossing evidence, ne-adoption-audits); superseded values in B2 redo trees.",
  "canopy_check": "unavailable \u2014 no surface model (DSM or point cloud) registered for this coverage",
  "mask_ranges_m": [
   [
    606.0,
    646.0
   ]
  ],
  "license": "ODbL-1.0",
  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
  "place": "Augusta",
  "county": "Maine"
 }
}