Northern Trinity & Woodbine GAM v3.01 — Heads, Storage & Geometry

Data extracted from the calibrated Northern Trinity Aquifer & Woodbine Aquifer Groundwater Availability Model (GAM), version 3.01 — a MODFLOW 6 model developed by INTERA, Inc. for Groundwater Management Area 8 (Texas Water Development Board), released March 2026.

Contents: simulated hydraulic heads for 8 model layers (Outcrop, Woodbine, Washita-Fredericksburg, Paluxy, Glen Rose, Hensell, Pearsall, Hosston) at 3 stress-period snapshots (~1939, 1979, 2019) as Cloud-Optimized GeoTIFFs in feet MSL; aquifer storativity per model cell (GeoParquet); and the MODFLOW 6 DIS geometry (grid, land surface, layer bottoms).

Grid: 8 layers x 1124 rows x 1412 cols, 1320 ft cells, 65° rotation. Spatial reference: GAM Albers Equal Area (NAD83, US survey feet). Heads resampled to a 500-ft grid. Source: Texas Water Development Board.

Dataset extent

Datuak eta baliabideak

  • Hydraulic head — Outcrop (layer 1) — 1939GeoTIFF

    Simulated hydraulic head in the Outcrop (model layer 1), stress period 52...

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  • Hydraulic head — Outcrop (layer 1) — 1979GeoTIFF

    Simulated hydraulic head in the Outcrop (model layer 1), stress period 92...

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  • Hydraulic head — Outcrop (layer 1) — 2019GeoTIFF

    Simulated hydraulic head in the Outcrop (model layer 1), stress period 132...

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  • Hydraulic head — Woodbine (layer 2) — 1939GeoTIFF

    Simulated hydraulic head in the Woodbine (model layer 2), stress period 52...

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  • Hydraulic head — Woodbine (layer 2) — 1979GeoTIFF

    Simulated hydraulic head in the Woodbine (model layer 2), stress period 92...

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  • Hydraulic head — Woodbine (layer 2) — 2019GeoTIFF

    Simulated hydraulic head in the Woodbine (model layer 2), stress period 132...

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  • Hydraulic head — Washita-Fredericksburg (layer...GeoTIFF

    Simulated hydraulic head in the Washita-Fredericksburg (model layer 3),...

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  • Hydraulic head — Washita-Fredericksburg (layer...GeoTIFF

    Simulated hydraulic head in the Washita-Fredericksburg (model layer 3),...

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  • Hydraulic head — Washita-Fredericksburg (layer...GeoTIFF

    Simulated hydraulic head in the Washita-Fredericksburg (model layer 3),...

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  • Hydraulic head — Paluxy (layer 4) — 1939GeoTIFF

    Simulated hydraulic head in the Paluxy (model layer 4), stress period 52...

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  • Hydraulic head — Paluxy (layer 4) — 1979GeoTIFF

    Simulated hydraulic head in the Paluxy (model layer 4), stress period 92...

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  • Hydraulic head — Paluxy (layer 4) — 2019GeoTIFF

    Simulated hydraulic head in the Paluxy (model layer 4), stress period 132...

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  • Hydraulic head — Glen Rose (layer 5) — 1939GeoTIFF

    Simulated hydraulic head in the Glen Rose (model layer 5), stress period 52...

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  • Hydraulic head — Glen Rose (layer 5) — 1979GeoTIFF

    Simulated hydraulic head in the Glen Rose (model layer 5), stress period 92...

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  • Hydraulic head — Glen Rose (layer 5) — 2019GeoTIFF

    Simulated hydraulic head in the Glen Rose (model layer 5), stress period 132...

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  • Hydraulic head — Hensell (layer 6) — 1939GeoTIFF

    Simulated hydraulic head in the Hensell (model layer 6), stress period 52...

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  • Hydraulic head — Hensell (layer 6) — 1979GeoTIFF

    Simulated hydraulic head in the Hensell (model layer 6), stress period 92...

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  • Hydraulic head — Hensell (layer 6) — 2019GeoTIFF

    Simulated hydraulic head in the Hensell (model layer 6), stress period 132...

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  • Hydraulic head — Pearsall (layer 7) — 1939GeoTIFF

    Simulated hydraulic head in the Pearsall (model layer 7), stress period 52...

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  • Hydraulic head — Pearsall (layer 7) — 1979GeoTIFF

    Simulated hydraulic head in the Pearsall (model layer 7), stress period 92...

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  • Hydraulic head — Pearsall (layer 7) — 2019GeoTIFF

    Simulated hydraulic head in the Pearsall (model layer 7), stress period 132...

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  • Hydraulic head — Hosston (layer 8) — 1939GeoTIFF

    Simulated hydraulic head in the Hosston (model layer 8), stress period 52...

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  • Hydraulic head — Hosston (layer 8) — 1979GeoTIFF

    Simulated hydraulic head in the Hosston (model layer 8), stress period 92...

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  • Hydraulic head — Hosston (layer 8) — 2019GeoTIFF

    Simulated hydraulic head in the Hosston (model layer 8), stress period 132...

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  • Aquifer storativity (per model cell, all layers)Parquet

    Storativity (storage coefficient) at every active model cell for all 8...

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  • MODFLOW 6 DIS geometry (grid, land surface,...ZIP

    MODFLOW 6 DIS package (ntgam.dis: land-surface 'top' + grid) with external...

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Anformazio gehigarria

Eremua Balorea
Iturria https://www.twdb.texas.gov/groundwater/models/gam/trnt_n/trnt_n.asp
Bertsioa 3.01
Egileak INTERA, Inc. for GMA 8 (Texas Water Development Board)
Egilearen email-a
Mantentzailea
Mantentzailearen email-a
Temporal Coverage Start 1939-01-01
Temporal Coverage End 2019-12-31
Spatial Coverage {"type": "Polygon", "coordinates": [[[-99.76302133835553, 29.90145095183943], [-93.48159217487246, 29.90145095183943], [-93.48159217487246, 34.42663702478564], [-99.76302133835553, 34.42663702478564], [-99.76302133835553, 29.90145095183943]]]}