{"id":"https://openalex.org/A5065624418","orcid":"https://orcid.org/0000-0002-7239-9634","observed_orcids":["https://orcid.org/0000-0002-7239-9634"],"display_name":"Nils Lenhardt","raw_author_names":["Lenhardt, Nils","N. Lenhardt","NILS LENHARDT","Nils Lenhardt","Nils\u00a0 Lenhardt"],"full_name":"Nils\u00a0 Lenhardt","works_count":76,"cited_by_count":1042,"summary_stats":{"2yr_mean_citedness":2.25,"h_index":20,"i10_index":32},"ids":{"openalex":"https://openalex.org/A5065624418","orcid":"https://orcid.org/0000-0002-7239-9634","observed_orcids":["https://orcid.org/0000-0002-7239-9634"]},"affiliations":[{"institution":{"id":"https://openalex.org/I24027795","ror":"https://ror.org/04z6c2n17","display_name":"University of Johannesburg","country_code":"ZA","type":"education","lineage":["https://openalex.org/I24027795"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I31512782","ror":"https://ror.org/05n911h24","display_name":"Technische Universit\u00e4t Darmstadt","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I69552723","ror":"https://ror.org/00g0p6g84","display_name":"University of Pretoria","country_code":"ZA","type":"education","lineage":["https://openalex.org/I69552723"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010]}],"last_known_institutions":[{"id":"https://openalex.org/I69552723","ror":"https://ror.org/00g0p6g84","display_name":"University of Pretoria","country_code":"ZA","type":"education","lineage":["https://openalex.org/I69552723"]}],"topics":[{"id":"https://openalex.org/T10001","display_name":"Geological and Geochemical Analysis","count":38,"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/T13177","display_name":"Geological and Geophysical Studies","count":31,"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/T10109","display_name":"Paleontology and Stratigraphy of Fossils","count":28,"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/T11740","display_name":"Geochemistry and Elemental Analysis","count":28,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"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":25,"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/T13404","display_name":"Geological and Tectonic Studies in Latin America","value":0.000172,"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/T11740","display_name":"Geochemistry and Elemental Analysis","value":5.04e-05,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"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":4.59e-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/T10001","display_name":"Geological and Geochemical Analysis","value":4.2e-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/T10109","display_name":"Paleontology and Stratigraphy of Fossils","value":3.87e-05,"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"}}],"x_concepts":[{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.9436537027359009},{"id":"120806208","wikidata":"https://www.wikidata.org/wiki/Q8072","display_name":"Volcano","score":0.8308994770050049},{"id":"17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","score":0.8135333061218262},{"id":"151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","score":0.7563271522521973},{"id":"109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","score":0.7056923508644104}],"counts_by_year":[{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":2,"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":3,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":6,"oa_works_count":4,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":1,"cited_by_count":19},{"year":2013,"works_count":2,"oa_works_count":2,"cited_by_count":32},{"year":2014,"works_count":2,"oa_works_count":1,"cited_by_count":22},{"year":2015,"works_count":4,"oa_works_count":3,"cited_by_count":39},{"year":2016,"works_count":2,"oa_works_count":1,"cited_by_count":49},{"year":2017,"works_count":2,"oa_works_count":1,"cited_by_count":43},{"year":2018,"works_count":4,"oa_works_count":0,"cited_by_count":48},{"year":2019,"works_count":4,"oa_works_count":0,"cited_by_count":68},{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":88},{"year":2021,"works_count":3,"oa_works_count":2,"cited_by_count":78},{"year":2022,"works_count":5,"oa_works_count":5,"cited_by_count":82},{"year":2023,"works_count":7,"oa_works_count":3,"cited_by_count":100},{"year":2024,"works_count":6,"oa_works_count":5,"cited_by_count":116},{"year":2025,"works_count":6,"oa_works_count":2,"cited_by_count":144},{"year":2026,"works_count":4,"oa_works_count":3,"cited_by_count":106}],"display_name_alternatives":["Lenhardt, Nils","N. Lenhardt","NILS LENHARDT","Nils Lenhardt","Nils\u00a0 Lenhardt"],"block_key":"n lenhardt","works_api_url":"https://api.openalex.org/works?filter=author.id:A5065624418","updated_date":"2026-10-31T12:29:50","created_date":"2016-06-24T00:00:00"}