{"id":"https://openalex.org/A5062993934","orcid":"https://orcid.org/0000-0001-7256-1235","observed_orcids":["https://orcid.org/0000-0001-7256-1235"],"display_name":"Mikiyasu Nakayama","raw_author_names":["MIKIYASU NAKAYAMA","Mikiyasu NAKAYAMA","Mikiyasu Nakayama","Nakayama, Mikiyasu"],"full_name":"Mikiyasu Nakayama","works_count":154,"cited_by_count":1258,"summary_stats":{"2yr_mean_citedness":3.409090909090909,"h_index":19,"i10_index":32},"ids":{"openalex":"https://openalex.org/A5062993934","orcid":"https://orcid.org/0000-0001-7256-1235","observed_orcids":["https://orcid.org/0000-0001-7256-1235"]},"affiliations":[{"institution":{"id":"https://openalex.org/I135768898","ror":"https://ror.org/0197nmd03","display_name":"Ritsumeikan University","country_code":"JP","type":"education","lineage":["https://openalex.org/I135768898","https://openalex.org/I4390039241"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I202262619","ror":"https://ror.org/015z29x25","display_name":"United Nations Environment Programme","country_code":"KE","type":"other","lineage":["https://openalex.org/I1286959531","https://openalex.org/I202262619"]},"years":[1988]},{"institution":{"id":"https://openalex.org/I204291657","ror":"https://ror.org/00bx6dj65","display_name":"Hosei University","country_code":"JP","type":"education","lineage":["https://openalex.org/I204291657"]},"years":[2019,2017]},{"institution":{"id":"https://openalex.org/I207399273","ror":"https://ror.org/05bx1gz93","display_name":"Utsunomiya University","country_code":"JP","type":"education","lineage":["https://openalex.org/I207399273"]},"years":[1999,1998,1997,1996,1994,1993,1989]},{"institution":{"id":"https://openalex.org/I4210129130","ror":"https://ror.org/036bcm133","display_name":"Asian Development Bank","country_code":"PH","type":"other","lineage":["https://openalex.org/I4210129130"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4210132000","ror":"https://ror.org/030b5a298","display_name":"Japan Institute of International Affairs","country_code":"JP","type":"other","lineage":["https://openalex.org/I4210132000"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I4210146107","ror":"https://ror.org/03g75kz98","display_name":"PricewaterhouseCoopers (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I4210133790","https://openalex.org/I4210146107"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4405255832","ror":"https://ror.org/03fhbym19","display_name":"Global Infrastructure Fund Research Foundation Japan","country_code":"JP","type":"nonprofit","lineage":["https://openalex.org/I4405255832"]},"years":[2026,2025,2024,2023,2022,2019]},{"institution":{"id":"https://openalex.org/I4405258432","ror":"https://ror.org/00n2qrv22","display_name":"Magistrat der Stadt Wien","country_code":"AT","type":"government","lineage":["https://openalex.org/I4405258432"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I74801974","ror":"https://ror.org/057zh3y96","display_name":"The University of Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]},"years":[2025,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004]},{"institution":{"id":"https://openalex.org/I92614990","ror":"https://ror.org/00qg0kr10","display_name":"Tokyo University of Agriculture and Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I92614990"]},"years":[2004,2003,2002,2001,2000,1999]}],"last_known_institutions":[{"id":"https://openalex.org/I4405255832","ror":"https://ror.org/03fhbym19","display_name":"Global Infrastructure Fund Research Foundation Japan","country_code":"JP","type":"nonprofit","lineage":["https://openalex.org/I4405255832"]}],"topics":[{"id":"https://openalex.org/T13132","display_name":"Hydropower, Displacement, Environmental Impact","count":46,"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/T11755","display_name":"Transboundary Water Resource Management","count":43,"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/T12227","display_name":"Environmental and Social Impact Assessments","count":29,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/T12656","display_name":"Climate Change, Adaptation, Migration","count":22,"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/T13244","display_name":"Analysis of environmental and stochastic processes","count":18,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/T13244","display_name":"Analysis of environmental and stochastic processes","value":0.000902,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/T13132","display_name":"Hydropower, Displacement, Environmental Impact","value":0.000879,"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/T12656","display_name":"Climate Change, Adaptation, Migration","value":0.0008766,"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/T11755","display_name":"Transboundary Water Resource Management","value":0.0006929,"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/T13528","display_name":"Water Resources and Governance","value":0.0003438,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"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":"199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","score":0.6927079558372498},{"id":"205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","score":0.6792058944702148},{"id":"144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","score":0.6539012789726257},{"id":"17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","score":0.6184999942779541},{"id":"162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","score":0.4603028893470764}],"counts_by_year":[{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":6,"oa_works_count":5,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1999,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":3,"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":3,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":5,"oa_works_count":2,"cited_by_count":48},{"year":2013,"works_count":4,"oa_works_count":0,"cited_by_count":25},{"year":2014,"works_count":3,"oa_works_count":0,"cited_by_count":50},{"year":2015,"works_count":7,"oa_works_count":5,"cited_by_count":62},{"year":2016,"works_count":7,"oa_works_count":5,"cited_by_count":55},{"year":2017,"works_count":7,"oa_works_count":5,"cited_by_count":48},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":76},{"year":2019,"works_count":11,"oa_works_count":10,"cited_by_count":88},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":70},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":65},{"year":2022,"works_count":8,"oa_works_count":8,"cited_by_count":60},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":62},{"year":2024,"works_count":3,"oa_works_count":2,"cited_by_count":59},{"year":2025,"works_count":13,"oa_works_count":10,"cited_by_count":90},{"year":2026,"works_count":6,"oa_works_count":6,"cited_by_count":122}],"display_name_alternatives":["MIKIYASU NAKAYAMA","Mikiyasu NAKAYAMA","Mikiyasu Nakayama","Nakayama, Mikiyasu"],"block_key":"m nakayama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5062993934","awards_count":5,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5062993934","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
