{"id":"https://openalex.org/A5001721978","orcid":null,"observed_orcids":[],"display_name":"Gerhard Lange","raw_author_names":["G. Lange","Gerhard Lange"],"full_name":"Gerhard Lange","works_count":25,"cited_by_count":495,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":9,"i10_index":8},"ids":{"openalex":"https://openalex.org/A5001721978","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1305948331","ror":"https://ror.org/04d77de73","display_name":"Federal Institute for Geosciences and Natural Resources","country_code":"DE","type":"government","lineage":["https://openalex.org/I1305948331"]},"years":[2007,2005,2003,2002,1999]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10572","display_name":"Geophysical and Geoelectrical Methods","count":20,"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/T11609","display_name":"Geophysical Methods and Applications","count":20,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12603","display_name":"NMR spectroscopy and applications","count":12,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11778","display_name":"Electrical and Bioimpedance Tomography","count":3,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11952","display_name":"Landfill Environmental Impact Studies","count":3,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12603","display_name":"NMR spectroscopy and applications","value":0.0001172,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","value":9.65e-05,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10572","display_name":"Geophysical and Geoelectrical Methods","value":7.65e-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/T11778","display_name":"Electrical and Bioimpedance Tomography","value":3.57e-05,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11952","display_name":"Landfill Environmental Impact Studies","value":2.34e-05,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"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":"75622301","wikidata":"https://www.wikidata.org/wiki/Q208791","display_name":"Aquifer","score":0.9016702175140381},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.8399374485015869},{"id":"8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","score":0.6395241022109985},{"id":"76177295","wikidata":"https://www.wikidata.org/wiki/Q161598","display_name":"Groundwater","score":0.5895206928253174},{"id":"187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","score":0.29477155208587646}],"counts_by_year":[{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":9},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":11},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":85},{"year":2002,"works_count":2,"oa_works_count":0,"cited_by_count":125},{"year":2003,"works_count":4,"oa_works_count":0,"cited_by_count":55},{"year":2005,"works_count":4,"oa_works_count":0,"cited_by_count":18},{"year":2007,"works_count":8,"oa_works_count":0,"cited_by_count":192},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":0}],"display_name_alternatives":["G. Lange","Gerhard Lange"],"block_key":"g lange","works_api_url":"https://api.openalex.org/works?filter=author.id:A5001721978","updated_date":"2026-10-16T12:29:29","created_date":"2016-08-23T00:00:00"}