{"public_id":"CTF-PAL-000006","vault":"PAL","record_type":"reconstruction","record_type_label":"Reconstruction","title":"Carboniferous forest soundscape, speculative","summary":"A composed soundscape imagining the Fossil Grove forest: wind in giant club-mosses, insects, water. Clearly speculative.","description":"Composed from modern analogue sounds guided by what is known of Carboniferous forests. No animal in it is a reconstruction of a specific species. It exists to help visitors imagine the place and is labelled T5 so it is never mistaken for evidence.","evidence_tier":"T5","verification_status":"unverified","time":{"start":-325000000,"end":-320000000,"precision":"geological-stage","uncertainty_years":5000000,"dating_method":"biostratigraphy","geological_interval":"carboniferous","bands":["deep"]},"geometry_public":{"type":"point","coordinates":[-4.3215,55.8714]},"precision_class":"exact","sensitivity_class":"open","locality_public":"Fossil Grove, Victoria Park, Glasgow, Scotland","place":{"id":"fossil-grove-glasgow","name":"Fossil Grove","type":"fossil-locality"},"taxon":{"id":"lepidodendron","name":"Lepidodendron","common":"Scale tree","extant":false,"gbif_key":3184063},"reconstruction":{"method_ref":"soundscape-composition","method_title":"Soundscape composition","confidence_statement":"No evidential confidence. This is an artistic rendering built from cited modern analogues.","derived_from":[{"id":"CTF-PAL-000003","title":"Lepidodendron stumps, Fossil Grove, Glasgow","tier":"T1"}]},"rights":{"licence":"CC-BY-NC-4.0","licence_label":"CC BY-NC 4.0","licence_url":"https://creativecommons.org/licenses/by-nc/4.0/","attribution":"Chronos Terra Foundation soundscape (illustrative placeholder audio)","rights_holder":"Chronos Terra Foundation","source_name":"Chronos Terra Foundation","source_url":"https://chronos-terra.example.org/methods/soundscape-composition","retrieved_on":"2026-09-01","mode":"hosted","citation":"Chronos Terra Foundation (2026). Carboniferous forest soundscape. CTF-PAL-000006."},"media":[{"role":"access","path":"/media/CTF-PAL-000006.wav","media_type":"audio/wav","alt":"Composed soundscape of wind and water. Placeholder audio.","duration_s":3,"processing_state":"edited"},{"role":"spectrogram","path":"/media/CTF-PAL-000006-spectrogram.png","media_type":"image/png","alt":"Spectrogram of the composed soundscape with broad-band noise.","processing_state":"edited"}],"links":[{"to":"CTF-PAL-000003","to_title":"Lepidodendron stumps, Fossil Grove, Glasgow","to_vault":"PAL","to_tier":"T1","type":"reconstruction-of","label":"Reconstruction of","tier":"T5","note":"The soundscape imagines the forest these stumps grew in.","citation":"Chronos Terra soundscape notes.","direction":"out","to_time":{"start":-325000000,"end":-320000000}}],"vault_fields":{"call_type":"soundscape"},"paleo":{"30":[-10.181,54.884],"75":[-9.262,51.63],"150":[3.705,32.59],"200":[8.144,27.606],"300":[7.776,21.796]},"registry":{"registered_on":"2026-09-01","version":"2d53a432cf8c","url":"https://chronos-terra.example.org/records/CTF-PAL-000006","json_url":"https://chronos-terra.example.org/generated/records/CTF-PAL-000006.json"}}