{
  "field": {
    "pressure": {
      "geometry": "Author plotting constants: ice 551.31m, density ratio .91, bed -436.1m; not rounded abstract geometry.",
      "overburden_MPa": 4.919918832464999,
      "freshwater_flotation_head_asl": 65.59209999999996,
      "baseline_median_head": 30.866176939900015,
      "event_peak_head": 51.04670274490002,
      "event_peak_day": 2.9631944444444445,
      "baseline_effective_pressure_MPa": 0.3405449733773291,
      "peak_effective_pressure_MPa": 0.14264161999172584
    },
    "velocity_sensitivity": [
      {
        "site": "GNSS1 grounded",
        "window_hours": 6,
        "baseline_mean": 0.23774465818671187,
        "event_peak": 0.35057401028295343,
        "peak_day": 2.875,
        "relative_peak": 1.4745820703472188,
        "baseline_samples": 24
      },
      {
        "site": "GNSS1 grounded",
        "window_hours": 12,
        "baseline_mean": 0.2368200706720814,
        "event_peak": 0.30129136916439225,
        "peak_day": 2.833333333333333,
        "relative_peak": 1.272237476787103,
        "baseline_samples": 24
      },
      {
        "site": "GNSS1 grounded",
        "window_hours": 24,
        "baseline_mean": 0.23517263613708808,
        "event_peak": 0.27253077940870135,
        "peak_day": 2.6666666666666665,
        "relative_peak": 1.1588541247198345,
        "baseline_samples": 24
      },
      {
        "site": "GNSS2 floating",
        "window_hours": 6,
        "baseline_mean": 0.28690099332787006,
        "event_peak": 0.39301297874492563,
        "peak_day": 2.4166666666666665,
        "relative_peak": 1.3698557616905527,
        "baseline_samples": 24
      },
      {
        "site": "GNSS2 floating",
        "window_hours": 12,
        "baseline_mean": 0.2859269446715014,
        "event_peak": 0.341346664536246,
        "peak_day": 2.2916666666666665,
        "relative_peak": 1.1938247545309721,
        "baseline_samples": 24
      },
      {
        "site": "GNSS2 floating",
        "window_hours": 24,
        "baseline_mean": 0.2846399518232565,
        "event_peak": 0.32270194432702465,
        "peak_day": 3.083333333333333,
        "relative_peak": 1.1337197826937597,
        "baseline_samples": 24
      }
    ],
    "tide_correlations": [
      {
        "borehole": "BH2201",
        "source_tide_shift_hours": 0,
        "n_grid_points": 1150,
        "pearson_r": 0.24029393596285417,
        "additional_tide_lag_hours": 0
      },
      {
        "borehole": "BH2201",
        "source_tide_shift_hours": -2.5,
        "n_grid_points": 1150,
        "pearson_r": 0.4979443315302462,
        "additional_tide_lag_hours": 0
      },
      {
        "borehole": "BH2203",
        "source_tide_shift_hours": 0,
        "n_grid_points": 1153,
        "pearson_r": 0.5081876117502175,
        "additional_tide_lag_hours": 0
      },
      {
        "borehole": "BH2203",
        "source_tide_shift_hours": -2.5,
        "n_grid_points": 1153,
        "pearson_r": 0.9649009533455238,
        "additional_tide_lag_hours": 0
      },
      {
        "borehole": "BH2203",
        "source_tide_shift_hours": -2.5,
        "n_grid_points": 1152,
        "pearson_r": 0.970365033084362,
        "additional_tide_lag_hours": 0.25
      }
    ],
    "limits": [
      "GNSS coordinates already processed by authors; no raw satellite phase reprocessing.",
      "Self-defined local linear slope over 6/12/24-hour windows; author local_regression function not supplied.",
      "Author tide timestamp shift -2.5h retained explicitly; physical travel time not inferred from fitted alignment.",
      "Grid counts are not independent samples. No naive p-value reported for autocorrelated time series.",
      "Fixed pressure offsets reproduce plotting inputs; cannot infer whether earlier preprocessing applied time-varying atmospheric corrections."
    ]
  },
  "models": {
    "single_conduit": {
      "Qc_m3_s": 0.2184381053356775,
      "Nc_MPa": 2.611822935298048,
      "assumptions": "Fixed Psi=512 Pa/m; steady single-conduit law, not instantaneous forcing response."
    },
    "network_parameters": {
      "length_m": 20000.0,
      "background_gradient_Pa_m": 512.0,
      "c1": 3.4e-09,
      "c2": 4.5e-25,
      "c3": 0.33,
      "alpha": 1.25,
      "base_gap_opening_m2_year": 3,
      "year_days": 365.25
    },
    "stability": [
      {
        "total_input_m3_s": 0.1,
        "symmetric_S_m2": 0.023397431215801123,
        "N_upstream_MPa": 4.756956687130626,
        "max_growth_per_day": -0.3080195233834741
      },
      {
        "total_input_m3_s": 0.2,
        "symmetric_S_m2": 0.039790474272279615,
        "N_upstream_MPa": 4.424938304076438,
        "max_growth_per_day": -0.1527567042841757
      },
      {
        "total_input_m3_s": 0.4,
        "symmetric_S_m2": 0.06851659825023221,
        "N_upstream_MPa": 4.261769920316058,
        "max_growth_per_day": -0.055798745079832894
      },
      {
        "total_input_m3_s": 0.8,
        "symmetric_S_m2": 0.11898901648922365,
        "N_upstream_MPa": 4.223347742591256,
        "max_growth_per_day": 0.0052417145609027355
      },
      {
        "total_input_m3_s": 1.2,
        "symmetric_S_m2": 0.16477402371531893,
        "N_upstream_MPa": 4.2409463089781525,
        "max_growth_per_day": 0.030366210638322788
      },
      {
        "total_input_m3_s": 2,
        "symmetric_S_m2": 0.248796548852297,
        "N_upstream_MPa": 4.291722290428798,
        "max_growth_per_day": 0.05477778299502118
      },
      {
        "total_input_m3_s": 4,
        "symmetric_S_m2": 0.43621394800558044,
        "N_upstream_MPa": 4.394613435745709,
        "max_growth_per_day": 0.07958243125181204
      }
    ],
    "transients": [
      {
        "case": "fixed_opening_4d",
        "N_min_MPa": 3.1081845824577377,
        "N_final_MPa": 4.296382016896869,
        "speed_proxy_peak": 1.3712045165286824,
        "speed_proxy_final": 0.9919873793599792,
        "final_areas": [
          0.2564341165745396,
          0.057989928884853
        ]
      },
      {
        "case": "feedback_4d",
        "N_min_MPa": 3.232392834613736,
        "N_final_MPa": 4.295946445770604,
        "speed_proxy_peak": 1.3185144738696841,
        "speed_proxy_final": 0.9920879581417499,
        "final_areas": [
          0.25689357990547335,
          0.05730990037262565
        ]
      },
      {
        "case": "feedback_40d",
        "N_min_MPa": 4.147890105197449,
        "N_final_MPa": 4.2951723925237255,
        "speed_proxy_peak": 1.0274999167240444,
        "speed_proxy_final": 0.9922667469853655,
        "final_areas": [
          0.2562828979997,
          0.058174138221543874
        ]
      }
    ],
    "refined_time_step_max_pressure_difference_Pa": 1.0283310930244625,
    "time_displacement_example": [
      {
        "process": "sliding",
        "duration_fraction": 0.15,
        "illustrative_speed": 10.0,
        "illustrative_displacement_share": 0.9146341463414634
      },
      {
        "process": "deformation",
        "duration_fraction": 0.7,
        "illustrative_speed": 0.2,
        "illustrative_displacement_share": 0.08536585365853658
      },
      {
        "process": "inactive",
        "duration_fraction": 0.15,
        "illustrative_speed": 0.0,
        "illustrative_displacement_share": 0.0
      }
    ],
    "limits": [
      "Two equal-length parallel edges; shared upstream N, margin N=0, mean conduit pressure N/2.",
      "No conduit-volume storage; water balances algebraically. No sediment erosion, moving channels or full spatial ice mechanics.",
      "Speed proxy Nref/N uses constant driving stress and exponent 1. Optional feedback scales the cavity-opening term by this proxy only.",
      "4- vs 40-day ramps reach the same final input rate, not the same cumulative water input over 300 days.",
      "Selected trajectories retain positive N; no prediction through flotation, hydraulic fracture or near-zero-N singularities."
    ]
  },
  "inputs_sha256": {
    "120209_130129.dat": "4545a0c31c1c407d31a16cfe99aa5254ca2d42c8fec411dc003605e0805cf48f",
    "1989_2026_temperature.dat": "3a677f8cd8c40c35e5f57204da6a81921c602e7eee1335ba1c8749af8f279175",
    "BH1202_2012_2018.dat": "6d319aeac6cde7891865df624336fc3ed8852e675079a944733d3c2308dad5c9",
    "BH1803_2019.dat": "a440bc96a35036c90b0013a46c3bd01c0992a34446a291c81f6e2c5094105f51",
    "LG04.dat": "34960c7df2e0159fa89f9b319e65de920bb9cb7fc41f796f33fb0f28f99d5ba4",
    "LG05.dat": "341ed2bf24366a48b3b27789c1e76c9f2b8afe91e9b0b3c111053bdf22cb322e",
    "aws211219_220206.dat": "35db46dd05eb41d93fcab94fd3368915028e1e1a82751bd492fad057b86d2773",
    "borehole_geometry220521.dat": "075e94f978b3bd9497e153d246c30706f4cf517d7b51ae1671b46c381ed2af65",
    "fig1.m": "94ae3f0ac1de9a92a9656e501ecf6c8343c42054a81a85c27cdd5ffa231d43fc",
    "fig3.m": "8eb2efbd9bd955790ac05cbbbfcdb3b8640b8ef01777c7098f06e547ec0799f0",
    "fig_s3.m": "a0d7f1f96f086db4b2009473c220bdcaacdd158c5f43869bbbb941a4e94afbcf",
    "fig_s4.m": "cbc6c9d5a7c1695dd28ad4e16248cdb5649179182f7a626fca2c991c83f2483c",
    "fig_s6.m": "d16b634d6198d506d5d6e658760638a23dcf198380b3c4e2e4844d2f284816b8",
    "geokon_pressure2_AVW200_220206.dat": "490e64cf0d6c6122a9875ecb9a7f1f7186c357a42c5ed789d0d1cf668921f88c",
    "geokon_pressure_AVW200_220206.dat": "745b806cc8600b5b3273dcda3d64729c13a5296ace790c75d1145e8baa6ecc00",
    "langhovde2022coordinate220212.dat": "463c4c56cc9fce0874777a3b66ac2cf9188d690410765d6e9aaa5d28281078af",
    "pressure_eliminate1.dat": "d51ef234a0cb727c4ca297b8dc23e6100001ad4877e080d0a7c8cc6fbdf4310b",
    "readme.txt": "827e5361170d2edf5cac964ea8d6add67d3bab024ad2e24691eb492527ac7c84",
    "tide_211231_220206.dat": "b7d941e987efa94fc40cf330851210b1463ad9aa78419129ea81571ca889fd1c"
  }
}