{"id":"https://openalex.org/A5023711449","orcid":"https://orcid.org/0000-0001-8099-8920","observed_orcids":["https://orcid.org/0000-0001-8099-8920"],"display_name":"T. Sasai","raw_author_names":["Sasai, Takahiro","T. Sasai","Takahiro SASAI","Takahiro Sasai","Takahiro, Sasai"],"full_name":"Sasai, Takahiro","works_count":69,"cited_by_count":787,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":16,"i10_index":18},"ids":{"openalex":"https://openalex.org/A5023711449","orcid":"https://orcid.org/0000-0001-8099-8920","observed_orcids":["https://orcid.org/0000-0001-8099-8920"]},"affiliations":[{"institution":{"id":"https://openalex.org/I146399215","ror":"https://ror.org/02956yf07","display_name":"University of Tsukuba","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]},"years":[2016,2015,2014]},{"institution":{"id":"https://openalex.org/I201537933","ror":"https://ror.org/01dq60k83","display_name":"Tohoku University","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]},"years":[2020,2019,2018,2017,2016]},{"institution":{"id":"https://openalex.org/I4405285772","ror":"https://ror.org/007cnyk04","display_name":"Research Institute of Geology and Geoinformation","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210135230","https://openalex.org/I4405285772","https://openalex.org/I73613424"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I60134161","ror":"https://ror.org/04chrp450","display_name":"Nagoya University","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]},"years":[2013,2012,2011,2010,2009,2005]},{"institution":{"id":"https://openalex.org/I73613424","ror":"https://ror.org/01703db54","display_name":"National Institute of Advanced Industrial Science and Technology","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]},"years":[2007,2006]}],"last_known_institutions":[{"id":"https://openalex.org/I201537933","ror":"https://ror.org/01dq60k83","display_name":"Tohoku University","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"topics":[{"id":"https://openalex.org/T10266","display_name":"Plant Water Relations and Carbon Dynamics","count":39,"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/T10029","display_name":"Climate variability and models","count":26,"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/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","count":22,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","count":22,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T11588","display_name":"Atmospheric and Environmental Gas Dynamics","count":21,"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"}}],"topic_share":[{"id":"https://openalex.org/T10266","display_name":"Plant Water Relations and Carbon Dynamics","value":0.0001515,"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/T11588","display_name":"Atmospheric and Environmental Gas Dynamics","value":0.0001351,"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/T10111","display_name":"Remote Sensing in Agriculture","value":6.81e-05,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T11333","display_name":"Climate change and permafrost","value":4.72e-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/T10029","display_name":"Climate variability and models","value":4.08e-05,"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":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.7893671989440918},{"id":"49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","score":0.7385468482971191},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.41428640484809875},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.39904138445854187},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.20398330688476562}],"counts_by_year":[{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"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":1,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":0,"cited_by_count":24},{"year":2013,"works_count":5,"oa_works_count":0,"cited_by_count":44},{"year":2014,"works_count":5,"oa_works_count":1,"cited_by_count":41},{"year":2015,"works_count":5,"oa_works_count":2,"cited_by_count":27},{"year":2016,"works_count":4,"oa_works_count":2,"cited_by_count":37},{"year":2017,"works_count":5,"oa_works_count":2,"cited_by_count":27},{"year":2018,"works_count":6,"oa_works_count":4,"cited_by_count":34},{"year":2019,"works_count":8,"oa_works_count":4,"cited_by_count":33},{"year":2020,"works_count":7,"oa_works_count":5,"cited_by_count":90},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":74},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":68},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":77},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":66},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":54},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":32}],"display_name_alternatives":["Sasai, Takahiro","T. Sasai","Takahiro SASAI","Takahiro Sasai","Takahiro, Sasai"],"block_key":"t sasai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5023711449","updated_date":"2026-11-03T12:34:24","created_date":"2016-06-24T00:00:00"}
