{"id":"https://openalex.org/A5074646256","orcid":null,"observed_orcids":[],"display_name":"Gary S. Steffens","raw_author_names":["G.S. Steffens","Gary S Steffens","Gary S. Steffens","Gary Scott Steffens","STEFFENS, GARY S., Shell Offshore,"],"full_name":"STEFFENS, GARY S., Shell Offshore,","works_count":18,"cited_by_count":539,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":6,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5074646256","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I124601658","ror":"https://ror.org/02k7wn190","display_name":"University of Parma","country_code":"IT","type":"education","lineage":["https://openalex.org/I124601658"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I150264550","ror":"https://ror.org/038483r84","display_name":"Eni (Italy)","country_code":"IT","type":"company","lineage":["https://openalex.org/I150264550"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I4210150951","ror":"https://ror.org/04wedba92","display_name":"Shell (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I4210150951","https://openalex.org/I7923278"]},"years":[2004,2003]},{"institution":{"id":"https://openalex.org/I7923278","ror":"https://ror.org/00b5m4j81","display_name":"Shell (Netherlands)","country_code":"NL","type":"company","lineage":["https://openalex.org/I7923278"]},"years":[2011]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10965","display_name":"Geological formations and processes","count":12,"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"}},{"id":"https://openalex.org/T13193","display_name":"Geological Studies and Exploration","count":12,"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/T13177","display_name":"Geological and Geophysical Studies","count":9,"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/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","count":3,"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/T10577","display_name":"Hydrology and Sediment Transport Processes","count":2,"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/T13193","display_name":"Geological Studies and Exploration","value":2.2e-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/T13404","display_name":"Geological and Tectonic Studies in Latin America","value":2.18e-05,"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"}},{"id":"https://openalex.org/T10965","display_name":"Geological formations and processes","value":1.51e-05,"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"}},{"id":"https://openalex.org/T13177","display_name":"Geological and Geophysical Studies","value":1.39e-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/T14039","display_name":"Ecology and biodiversity studies","value":1.26e-05,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.9259039163589478},{"id":"114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","score":0.5245200395584106},{"id":"151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","score":0.4545939266681671},{"id":"111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","score":0.42574045062065125},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.2634061574935913}],"counts_by_year":[{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":15},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":35},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":32},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":49},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":5}],"display_name_alternatives":["G.S. Steffens","Gary S Steffens","Gary S. Steffens","Gary Scott Steffens","STEFFENS, GARY S., Shell Offshore,"],"block_key":"g steffens","works_api_url":"https://api.openalex.org/works?filter=author.id:A5074646256","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}