{"id":"https://openalex.org/A5113577894","orcid":null,"observed_orcids":[],"display_name":"Chul\u2010Hwan Koh","raw_author_names":["Chul-Hwan Koh","Chul-hwan Koh","Chul\u2010Hwan Koh"],"full_name":"Chul\u2010Hwan Koh","works_count":68,"cited_by_count":2414,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":24,"i10_index":41},"ids":{"openalex":"https://openalex.org/A5113577894","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I104588304","ror":"https://ror.org/05vmz5070","display_name":"University of Szczecin","country_code":"PL","type":"education","lineage":["https://openalex.org/I104588304"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I1286329397","ror":"https://ror.org/035a68863","display_name":"United States Geological Survey","country_code":"US","type":"government","lineage":["https://openalex.org/I1286329397","https://openalex.org/I1335927249"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I1308126019","ror":"https://ror.org/02z5nhe81","display_name":"National Oceanic and Atmospheric Administration","country_code":"US","type":"government","lineage":["https://openalex.org/I1308126019","https://openalex.org/I1343035065"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I139264467","ror":"https://ror.org/04h9pn542","display_name":"Seoul National University","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]},"years":[2018,2016,2015,2014,2013,2012,2011,2010,2008,2007,2006,2005,2003,2002,2001,2000,1999,1997,1994,1993]},{"institution":{"id":"https://openalex.org/I197347611","ror":"https://ror.org/047dqcg40","display_name":"Korea University","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I48447730","ror":"https://ror.org/01jeee804","display_name":"NOAA Great Lakes Environmental Research Laboratory","country_code":"US","type":"funder","lineage":["https://openalex.org/I1308126019","https://openalex.org/I1343035065","https://openalex.org/I2802992173","https://openalex.org/I48447730"]},"years":[2002]}],"last_known_institutions":[{"id":"https://openalex.org/I139264467","ror":"https://ror.org/04h9pn542","display_name":"Seoul National University","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"topics":[{"id":"https://openalex.org/T10765","display_name":"Marine Biology and Ecology Research","count":27,"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"}},{"id":"https://openalex.org/T10447","display_name":"Environmental Toxicology and Ecotoxicology","count":24,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T10122","display_name":"Toxic Organic Pollutants Impact","count":18,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T10032","display_name":"Marine and coastal ecosystems","count":10,"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"}},{"id":"https://openalex.org/T10139","display_name":"Heavy metals in environment","count":10,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"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/T12012","display_name":"Diatoms and Algae Research","value":8.57e-05,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10122","display_name":"Toxic Organic Pollutants Impact","value":5.99e-05,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T10779","display_name":"Coastal wetland ecosystem dynamics","value":5.77e-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/T12071","display_name":"Marine Biology and Environmental Chemistry","value":5.14e-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/T14009","display_name":"Ecology and Conservation Studies","value":4.98e-05,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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"}}],"x_concepts":[{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9139619469642639},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.8060616254806519},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.7486303448677063},{"id":"111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","score":0.7085108757019043},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.6190939545631409}],"counts_by_year":[{"year":1993,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":5,"oa_works_count":0,"cited_by_count":118},{"year":2013,"works_count":2,"oa_works_count":0,"cited_by_count":132},{"year":2014,"works_count":5,"oa_works_count":0,"cited_by_count":152},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":98},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":141},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":93},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":100},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":122},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":117},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":135},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":88},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":84},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":65},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":93},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":61}],"display_name_alternatives":["Chul-Hwan Koh","Chul-hwan Koh","Chul\u2010Hwan Koh"],"block_key":"c koh","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113577894","updated_date":"2026-11-03T12:34:24","created_date":"2016-06-24T00:00:00"}
