{ "schema": "ausmt-station", "version": "0.1", "ausmt_id": "au.vulcan-2022.E2_redone", "station": "E2_redone", "survey": "Vulcan 2022", "survey_id": "vulcan-2022", "country": "Australia", "organisation": "Adelaide University", "location": { "lat": -30.181075, "lon": 136.986144 }, "data": { "type": "BBMT", "n_periods": 62, "period_min_s": 0.005, "period_max_s": 6359.70491 }, "diagnostics": { "median_relative_error": 0.019, "remote_reference": true, "tipper_available": false, "completeness_smoothness_diagnostic": { "value": 5.0, "basis": "e", "note": "not a quality or geological-value judgement" }, "classification": "1-D", "skew_beta_median_deg": 1.1, "pct_periods_3d": 16, "method": "phase-tensor (Caldwell 2004)", "note": "screening diagnostic, not an interpretation product" }, "processing": { "software": "LEMIMT", "algorithm": "Robust Remote Reference", "remote_reference": true, "remote_site": null, "file_written_by": { "name": "Geotools", "version": "4.0.5.12583" }, "note": "MAXINFO=17\n*\nSITE : P-E2_RR-RR_S-10Hz_1\nLATITUDE : -29.8189\nLONGITUDE : 136.9861\nELEVATION : 100.0000\nDECLINATION : 0.0000\n*\nProcessing code: LEMIMT\nAlgorithm : Robust Remote Reference" }, "distribution": { "edi_available": true, "license": "CC-BY-4.0", "edi_path": "edi/vulcan-2022/Vulcan_E2_redone.edi" }, "provenance": { "pipeline": "ausmt/extract.build_portal", "pipeline_version": "0.2.1", "extractor": "mt_metadata (community canonical)", "software": { "python": "3.12.14", "mt_metadata": "1.0.10", "mth5": "0.6.8" }, "git_commit": "25c90921c42c72bbc5455b4bbdab9137cf8b8e48", "parameters": { "dimensionality": { "beta_per_period_deg": 3.0, "skew_3d_deg": 5.0, "pct_periods_3d_threshold": 40, "ellip_2d_deg": 0.1, "min_rez_row_sine": 0.01, "beta_physical_cap_deg": 15.0, "min_usable_period_frac": 0.5, "skew_aggregation": "median" }, "diagnostic": "completeness/smoothness (median rel error + coverage + smoothness)" }, "generated": "2026-09-09T06:22:47.791693+00:00", "input_file": "Vulcan_E2_redone.edi", "input_sha256": "30e013b8b75ada8488295a728b9e0b8e016fc97fa68a58f8e5f936f1aabb467b" }, "coordinate_qc": { "flag": "dms_sign_resolved", "head_info_conflict_deg": null, "resolution": { "chosen": "head", "basis": "Same early-processing sign error as western-gawler, verified arithmetically on 97/100 stations at intake (INFO decimal = signed_degrees + unsigned_fraction of HEAD DMS); grid coheres over the Vulcan prospect (Stuart Shelf, SA) under HEAD. C5/D2/E1 INFO values are anomalous beyond the relation and are left to per-station review flags.", "source": "survey.yaml" } }, "canonical_conditioning": [ "survey.id->vulcan-2022", "station.id->E2redone", "station.source_id_preserved_in_site_name:E2_redone", "sign_convention: '+' is a library default — EDI carries no machine-readable sign convention; NOT asserted by source", "declination.epoch/model: library defaults (epoch=None, model=IGRF) — an EDI states only the declination value; epoch/model NOT asserted by source", "channel orientations: degenerate/defaulted (ex and ey azimuths both 0 deg — parallel dipoles are non-physical); orientations NOT asserted by source EMEAS geometry", "citation.authors<-survey_meta:Kay, Ben; Heinson, Graham; Boren, Goran", "citation.title<-survey_meta", "copyright.release_status=Data Citation Required; conditions_of_use set from licence CC-BY-4.0 (replaced mt_metadata default boilerplate)" ], "frame": { "evidence": { "branch": "mt", "zrot": "0", "trot": null, "rotspec": null, "hmeas_azimuths": { "hx": 0.0, "hy": 90.0 }, "emeas_azimuths": { "ex": null, "ey": null } }, "impedance_rotation_deg_source": null, "tipper_rotation_deg_source": null, "derotated": false, "frame_served": "declared-zero", "declared_azimuth_deg": 0.0, "convention_check": { "verdict": "ok", "phs_xy_median_deg": 37.7, "phs_yx_median_deg": -143.01, "n_periods_used": 62, "detail": null } }, "runs": [ { "id": "E2_001", "time_period": { "start": "2022-02-12T05:37:36.000000+00:00", "end": "2022-02-14T04:51:33.023000+00:00" }, "sample_rate_hz": 1000.0, "data_logger": { "manufacturer": "LEMI", "model": "LEMI-423", "serial_number": "#0032", "identifiers": [ { "scheme": "DOI", "identifier": "10.82388/kit2jlmv" } ] }, "channels": [ { "component": "ex", "measurement_azimuth_deg": 0.0, "dipole_length_m": 52.0 }, { "component": "ey", "measurement_azimuth_deg": 90.0, "dipole_length_m": 52.0 }, { "component": "hx", "sensor": { "manufacturer": "LEMI", "model": "LEMI-120", "serial_number": "254", "identifiers": [ { "scheme": "DOI", "identifier": "10.82388/8mjsxxkg" } ] } }, { "component": "hy", "sensor": { "manufacturer": "LEMI", "model": "LEMI-120", "serial_number": "255", "identifiers": [ { "scheme": "DOI", "identifier": "10.82388/sdwh4xau" } ] } } ] } ], "resources": [ { "id": "edi", "kind": "transfer_function", "format": "edi", "provenance_role": "source", "representation_role": "original", "path": "edi/vulcan-2022/Vulcan_E2_redone.edi", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.25914/sv5r-zw68", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/2q8x-4575", "identifies": "raw_packed" }, { "scheme": "DOI", "identifier": "10.25914/jsdc-pn25", "identifies": "level2" } ] }, { "id": "emtfxml", "kind": "transfer_function", "format": "emtfxml", "provenance_role": "derived", "representation_role": "alternate", "path": "xml/vulcan-2022/E2_redone.xml", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.25914/sv5r-zw68", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/2q8x-4575", "identifies": "raw_packed" }, { "scheme": "DOI", "identifier": "10.25914/jsdc-pn25", "identifies": "level2" } ] }, { "id": "mth5", "kind": "transfer_function", "format": "mth5", "provenance_role": "derived", "representation_role": "alternate", "path": "h5/vulcan-2022/E2_redone.h5", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.25914/sv5r-zw68", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/2q8x-4575", "identifies": "raw_packed" }, { "scheme": "DOI", "identifier": "10.25914/jsdc-pn25", "identifies": "level2" } ] }, { "id": "edi-zip", "kind": "archive", "format": "zip", "path": "bundles/vulcan-2022-edi.zip", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.25914/sv5r-zw68", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/2q8x-4575", "identifies": "raw_packed" }, { "scheme": "DOI", "identifier": "10.25914/jsdc-pn25", "identifies": "level2" } ] }, { "id": "xml-zip", "kind": "archive", "format": "zip", "path": "bundles/vulcan-2022-xml.zip", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.25914/sv5r-zw68", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/2q8x-4575", "identifies": "raw_packed" }, { "scheme": "DOI", "identifier": "10.25914/jsdc-pn25", "identifies": "level2" } ] }, { "id": "survey-mth5", "kind": "archive", "format": "mth5", "path": "bundles/vulcan-2022-tf.h5", "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.25914/sv5r-zw68", "identifies": "collection" }, { "scheme": "DOI", "identifier": "10.25914/2q8x-4575", "identifies": "raw_packed" }, { "scheme": "DOI", "identifier": "10.25914/jsdc-pn25", "identifies": "level2" } ] }, { "id": "ts-raw_packed", "kind": "time_series", "format": "zip", "provenance_role": "source", "representation_role": "original", "access_url": "https://thredds.nci.org.au/thredds/fileServer/my80/AuScope_MT_collection/AuScope_Broadband/States_and_Territories/South_Australia/Vulcan_2022/Packed_Raw_Time_Series_Archive/E2.zip", "repository": "NCI", "processing_level": "raw", "packaging": "packed_archive", "bytes": 3510000000, "related_collection_identifiers": [ { "scheme": "DOI", "identifier": "10.25914/2q8x-4575", "identifies": "raw_packed" } ], "note": "verified against NCI THREDDS on 2026-08-28" } ] }