{"id":"https://openalex.org/keywords/reverse-time-migration","display_name":"reverse time migration","description":"Reverse time migration is a seismic imaging method that propagates recorded and modeled wavefields backward in time to map subsurface structures.","display_name_alternatives":["RTM"],"ids":{"openalex":"https://openalex.org/keywords/reverse-time-migration","wikidata":null},"primary_topic":{"id":"https://openalex.org/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.8281,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.8281,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":3232,"cited_by_count":36031,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/reverse-time-migration","updated_date":"2026-10-18T04:06:28","created_date":"2026-09-30T00:00:00"}
