{"id":"https://openalex.org/A5000377253","orcid":null,"observed_orcids":[],"display_name":"P. P. Langen","raw_author_names":["P. P. Langen"],"full_name":"P. P. Langen","works_count":8,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5000377253","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I32686375","ror":"https://ror.org/020m6x732","display_name":"Danish Meteorological Institute","country_code":"DK","type":"facility","lineage":["https://openalex.org/I32686375","https://openalex.org/I4210102581"]},"years":[2015]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","count":6,"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":5,"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/T10029","display_name":"Climate variability and models","count":4,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"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"}},{"id":"https://openalex.org/T10255","display_name":"Oceanographic and Atmospheric Processes","count":1,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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":3.38e-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/T10644","display_name":"Cryospheric studies and observations","value":2.14e-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/T12432","display_name":"Arctic and Russian Policy Studies","value":1.6e-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"}},{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","value":7.4e-06,"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/T10029","display_name":"Climate variability and models","value":6.6e-06,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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":0.7184354066848755},{"id":"136894858","wikidata":"https://www.wikidata.org/wiki/Q213926","display_name":"Sea ice","score":0.6504949927330017},{"id":"49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","score":0.5651984214782715},{"id":"111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","score":0.5640168786048889},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.2952892780303955}],"counts_by_year":[{"year":2015,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2017,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":0}],"display_name_alternatives":["P. P. Langen"],"block_key":"p langen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000377253","updated_date":"2026-10-28T12:34:19","created_date":"2017-02-03T00:00:00"}