{"id":"https://openalex.org/A5111558145","orcid":null,"observed_orcids":[],"display_name":"JD Marshall","raw_author_names":["J. D. MARSHALL","J. D. Marshall","J.D. Marshall","JD Marshall"],"full_name":"J. D. MARSHALL","works_count":17,"cited_by_count":757,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":7,"i10_index":7},"ids":{"openalex":"https://openalex.org/A5111558145","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I146655781","ror":"https://ror.org/04xs57h96","display_name":"University of Liverpool","country_code":"GB","type":"education","lineage":["https://openalex.org/I146655781"]},"years":[1995,1994,1992,1991]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","count":7,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10804","display_name":"Health Systems, Economic Evaluations, Quality of Life","count":6,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11792","display_name":"Pharmaceutical Economics and Policy","count":6,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","count":5,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10965","display_name":"Geological formations and processes","count":5,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11792","display_name":"Pharmaceutical Economics and Policy","value":2.41e-05,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","value":1.67e-05,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10804","display_name":"Health Systems, Economic Evaluations, Quality of Life","value":1.59e-05,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11594","display_name":"Tree-ring climate responses","value":9.7e-06,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13896","display_name":"Health Services Management and Policy","value":9.7e-06,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"130452526","wikidata":"https://www.wikidata.org/wiki/Q180621","display_name":"Diagenesis","score":0.9255636930465698},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.8955715894699097},{"id":"151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","score":0.6795138120651245},{"id":"17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","score":0.5627977252006531},{"id":"17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","score":0.3692600131034851}],"counts_by_year":[{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":27},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":15},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2017,"works_count":5,"oa_works_count":5,"cited_by_count":16},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":9}],"display_name_alternatives":["J. D. MARSHALL","J. D. Marshall","J.D. Marshall","JD Marshall"],"block_key":"j marshall","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111558145","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111558145","updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}