{"id":"https://openalex.org/A5028659739","orcid":"https://orcid.org/0000-0003-0545-8494","observed_orcids":["https://orcid.org/0000-0003-0545-8494"],"display_name":"Stefan H\u00e4mmerle","raw_author_names":["H\u00e4mmerle, Stefan","S. H\u00e4mmerle","Stefan Ha\u0308mmerle","Stefan H\u00e4mmerle"],"full_name":"Stefan Ha\u0308mmerle","works_count":28,"cited_by_count":233,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":8,"i10_index":8},"ids":{"openalex":"https://openalex.org/A5028659739","orcid":"https://orcid.org/0000-0003-0545-8494","observed_orcids":["https://orcid.org/0000-0003-0545-8494"]},"affiliations":[{"institution":{"id":"https://openalex.org/I202697423","ror":"https://ror.org/02crff812","display_name":"University of Zurich","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I35440088","ror":"https://ror.org/05a28rw58","display_name":"ETH Zurich","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I4210090941","ror":"https://ror.org/00baskk38","display_name":"Institute for Biomedical Engineering","country_code":"CH","type":"facility","lineage":["https://openalex.org/I202697423","https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4210090941"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I4210145677","ror":"https://ror.org/047n5wn91","display_name":"Scanco Medical (Switzerland)","country_code":"CH","type":"company","lineage":["https://openalex.org/I4210145677"]},"years":[2023,2021,2020,2013,2012,2001]}],"last_known_institutions":[{"id":"https://openalex.org/I4210145677","ror":"https://ror.org/047n5wn91","display_name":"Scanco Medical (Switzerland)","country_code":"CH","type":"company","lineage":["https://openalex.org/I4210145677"]}],"topics":[{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","count":22,"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/T11459","display_name":"Arctic and Antarctic ice dynamics","count":19,"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/T11333","display_name":"Climate change and permafrost","count":12,"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/T11183","display_name":"Advanced X-ray Imaging Techniques","count":4,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"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/T10017","display_name":"Geology and Paleoclimatology Research","count":3,"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"}}],"topic_share":[{"id":"https://openalex.org/T11459","display_name":"Arctic and Antarctic ice dynamics","value":0.00013,"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/T11333","display_name":"Climate change and permafrost","value":0.0001188,"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/T10644","display_name":"Cryospheric studies and observations","value":8.15e-05,"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/T11183","display_name":"Advanced X-ray Imaging Techniques","value":3e-05,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"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/T13610","display_name":"Society, Economy, and Ethics Research","value":1.94e-05,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"197046000","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow","score":0.9253000020980835},{"id":"110739175","wikidata":"https://www.wikidata.org/wiki/Q133067","display_name":"Mosaic","score":0.8624582290649414},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.7569000124931335},{"id":"62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","score":0.6662999987602234},{"id":"91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","score":0.5008590221405029}],"counts_by_year":[{"year":1997,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"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":2012,"works_count":1,"oa_works_count":0,"cited_by_count":1},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":4},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":2},{"year":2021,"works_count":5,"oa_works_count":5,"cited_by_count":8},{"year":2022,"works_count":12,"oa_works_count":12,"cited_by_count":11},{"year":2023,"works_count":4,"oa_works_count":4,"cited_by_count":49},{"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":48},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":47}],"display_name_alternatives":["H\u00e4mmerle, Stefan","S. H\u00e4mmerle","Stefan Ha\u0308mmerle","Stefan H\u00e4mmerle"],"block_key":"s hammerle","works_api_url":"https://api.openalex.org/works?filter=author.id:A5028659739","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5028659739","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}