GEMS-3D

GEMS-3D is the full paired release for the synthetic 3D geological multiphysics dataset. It contains all publishable river-split model bundles and their paired forward-response bundles.

• Train split: models/train and forward/train, 4800 paired samples from source train-river.
• Test split: models/tests and forward/tests, 120 paired samples from source tests-river.
• Model bundles: 4920 files, 2306.32 GiB.
• Forward bundles: 4920 files, 3725.07 GiB.
• Total payload: 6031.40 GiB.
• License: CC BY-NC-SA 4.0.

Directory convention:

models/<split>/<topology>/<background_id>/<anomaly_family>/model_bundle.npz
forward/<split>/<topology>/<background_id>/<anomaly_family>/forward_bundle.npz

See metadata/full_summary.json, metadata/manifest_models_full.jsonl, metadata/manifest_forward_full.jsonl, and metadata/schema.md for exact sample lists.