{"id":"https://openalex.org/W1990456633","doi":"https://doi.org/10.2343/geochemj.2.0232","title":"Apparent increase in Mn and As accumulation in the surface of sediments in Lake Biwa, Japan, from 1977 to 2009","display_name":"Apparent increase in Mn and As accumulation in the surface of sediments in Lake Biwa, Japan, from 1977 to 2009","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W1990456633","doi":"https://doi.org/10.2343/geochemj.2.0232","mag":"1990456633"},"language":"en","primary_location":{"id":"doi:10.2343/geochemj.2.0232","doi":"https://doi.org/10.2343/geochemj.2.0232","is_oa":true,"landing_page_url":"https://doi.org/10.2343/geochemj.2.0232","pdf_url":"https://www.jstage.jst.go.jp/article/geochemj/46/6/46_2.0232/_pdf","source":{"id":"https://openalex.org/S146360593","display_name":"GEOCHEMICAL JOURNAL","issn_l":"0016-7002","issn":["0016-7002","1880-5973"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4328138964","host_organization_name":"The Geochemical Society of Japan","host_organization_lineage":["https://openalex.org/P4328138964"],"host_organization_lineage_names":["The Geochemical Society of Japan"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GEOCHEMICAL JOURNAL","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/geochemj/46/6/46_2.0232/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5005280047","display_name":"Takaaki Itai","orcid":"https://orcid.org/0000-0001-7131-5366","observed_orcids":["https://orcid.org/0000-0001-7131-5366"]},"institutions":[{"id":"https://openalex.org/I4405286249","display_name":"Center for Marine Environmental Studies, Ehime University","ror":"https://ror.org/01kt66879","country_code":"JP","type":"facility","lineage":["https://openalex.org/I43545212","https://openalex.org/I4405286249"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"TAKAAKI ITAI","raw_affiliation_strings":["Center for Marine Environmental Studies, Ehime University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Marine Environmental Studies, Ehime University","institution_ids":["https://openalex.org/I4405286249"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050909878","display_name":"Michio Kumagai","orcid":"https://orcid.org/0000-0002-0648-3061","observed_orcids":["https://orcid.org/0000-0002-0648-3061"]},"institutions":[{"id":"https://openalex.org/I4405283320","display_name":"Lake Biwa Environmental Research Institute","ror":"https://ror.org/01e1z7129","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405255974","https://openalex.org/I4405283320"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"MICHIO KUMAGAI","raw_affiliation_strings":["Lake Biwa Environmental Research Institute"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lake Biwa Environmental Research Institute","institution_ids":["https://openalex.org/I4405283320"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028819760","display_name":"Yuika Hyobu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405286249","display_name":"Center for Marine Environmental Studies, Ehime University","ror":"https://ror.org/01kt66879","country_code":"JP","type":"facility","lineage":["https://openalex.org/I43545212","https://openalex.org/I4405286249"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"YUIKA HYOBU","raw_affiliation_strings":["Center for Marine Environmental Studies, Ehime University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Marine Environmental Studies, Ehime University","institution_ids":["https://openalex.org/I4405286249"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072368372","display_name":"Daisuke Hayase","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405286249","display_name":"Center for Marine Environmental Studies, Ehime University","ror":"https://ror.org/01kt66879","country_code":"JP","type":"facility","lineage":["https://openalex.org/I43545212","https://openalex.org/I4405286249"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"DAISUKE HAYASE","raw_affiliation_strings":["Center for Marine Environmental Studies, Ehime University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Marine Environmental Studies, Ehime University","institution_ids":["https://openalex.org/I4405286249"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083118599","display_name":"Sawako Horai","orcid":"https://orcid.org/0000-0002-5603-1514","observed_orcids":["https://orcid.org/0000-0002-5603-1514"]},"institutions":[{"id":"https://openalex.org/I4588055","display_name":"Tottori University","ror":"https://ror.org/024yc3q36","country_code":"JP","type":"education","lineage":["https://openalex.org/I4588055"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"SAWAKO HORAI","raw_affiliation_strings":["Faculty of Regional Sciences, Tottori University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Regional Sciences, Tottori University","institution_ids":["https://openalex.org/I4588055"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069798640","display_name":"Michinobu Kuwae","orcid":"https://orcid.org/0000-0002-7747-5421","observed_orcids":["https://orcid.org/0000-0002-7747-5421"]},"institutions":[{"id":"https://openalex.org/I4405286249","display_name":"Center for Marine Environmental Studies, Ehime University","ror":"https://ror.org/01kt66879","country_code":"JP","type":"facility","lineage":["https://openalex.org/I43545212","https://openalex.org/I4405286249"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"MICHINOBU KUWAE","raw_affiliation_strings":["Center for Marine Environmental Studies, Ehime University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Marine Environmental Studies, Ehime University","institution_ids":["https://openalex.org/I4405286249"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019247420","display_name":"Shinsuke Tanabe","orcid":"https://orcid.org/0000-0002-0911-6232","observed_orcids":["https://orcid.org/0000-0002-0911-6232"]},"institutions":[{"id":"https://openalex.org/I4405286249","display_name":"Center for Marine Environmental Studies, Ehime University","ror":"https://ror.org/01kt66879","country_code":"JP","type":"facility","lineage":["https://openalex.org/I43545212","https://openalex.org/I4405286249"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"SHINSUKE TANABE","raw_affiliation_strings":["Center for Marine Environmental Studies, Ehime University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Marine Environmental Studies, Ehime University","institution_ids":["https://openalex.org/I4405286249"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5149,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.6607533,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":94},"biblio":{"volume":"46","issue":"6","first_page":"e47","last_page":"e52"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10139","display_name":"Heavy metals in environment","score":0.510699987411499,"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"}},"topics":[{"id":"https://openalex.org/T10139","display_name":"Heavy metals in environment","score":0.510699987411499,"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"}},{"id":"https://openalex.org/T11740","display_name":"Geochemistry and Elemental Analysis","score":0.4609000086784363,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"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/T10710","display_name":"Arsenic contamination and mitigation","score":0.009700000286102295,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/manganese-accumulation","display_name":"manganese accumulation","score":0.8840000033378601},{"id":"https://openalex.org/keywords/arsenic-accumulation","display_name":"arsenic accumulation","score":1.0},{"id":"https://openalex.org/keywords/lake-sediments","display_name":"lake sediments","score":0.8180000185966492},{"id":"https://openalex.org/keywords/lake-biwa","display_name":"Lake Biwa","score":0.8479999899864197},{"id":"https://openalex.org/keywords/mass-balance","display_name":"mass balance","score":0.6830000281333923},{"id":"https://openalex.org/keywords/groundwater-inputs","display_name":"groundwater inputs","score":0.7160000205039978},{"id":"https://openalex.org/keywords/dissolved-oxygen-depletion","display_name":"dissolved oxygen depletion","score":0.8050000071525574},{"id":"https://openalex.org/keywords/sediment-depth-profiles","display_name":"sediment depth profiles","score":0.5419999957084656}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4842929244041443},{"id":"https://openalex.org/C8625798","wikidata":"https://www.wikidata.org/wiki/Q752112","display_name":"Surface water","level":2,"score":0.4842631220817566},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4437127113342285},{"id":"https://openalex.org/C197751951","wikidata":"https://www.wikidata.org/wiki/Q1046363","display_name":"Surface layer","level":3,"score":0.4237898588180542},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.39142799377441406},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.38099128007888794},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.3442481756210327},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.23543593287467957},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.1318638026714325},{"id":"https://openalex.org/C87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","level":1,"score":0.08899146318435669},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2343/geochemj.2.0232","doi":"https://doi.org/10.2343/geochemj.2.0232","is_oa":true,"landing_page_url":"https://doi.org/10.2343/geochemj.2.0232","pdf_url":"https://www.jstage.jst.go.jp/article/geochemj/46/6/46_2.0232/_pdf","source":{"id":"https://openalex.org/S146360593","display_name":"GEOCHEMICAL JOURNAL","issn_l":"0016-7002","issn":["0016-7002","1880-5973"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4328138964","host_organization_name":"The Geochemical Society of Japan","host_organization_lineage":["https://openalex.org/P4328138964"],"host_organization_lineage_names":["The Geochemical Society of Japan"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GEOCHEMICAL JOURNAL","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.2343/geochemj.2.0232","doi":"https://doi.org/10.2343/geochemj.2.0232","is_oa":true,"landing_page_url":"https://doi.org/10.2343/geochemj.2.0232","pdf_url":"https://www.jstage.jst.go.jp/article/geochemj/46/6/46_2.0232/_pdf","source":{"id":"https://openalex.org/S146360593","display_name":"GEOCHEMICAL JOURNAL","issn_l":"0016-7002","issn":["0016-7002","1880-5973"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4328138964","host_organization_name":"The Geochemical Society of Japan","host_organization_lineage":["https://openalex.org/P4328138964"],"host_organization_lineage_names":["The Geochemical Society of Japan"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GEOCHEMICAL JOURNAL","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","score":0.6618000268936157,"display_name":"Clean water and sanitation"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G7038318274","display_name":"Hypoxia-induced mobilization of trace elements and its potential effect on aquatic ecosystem","funder_award_id":"22681001","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320320912","display_name":"Ministry of Education, Culture, Sports, Science and Technology","ror":"https://ror.org/048rj2z13"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1990456633.pdf","grobid_xml":"https://content.openalex.org/works/W1990456633.grobid-xml"},"referenced_works_count":17,"referenced_works":["https://openalex.org/W1974092648","https://openalex.org/W1981319317","https://openalex.org/W1991011039","https://openalex.org/W1994513612","https://openalex.org/W2012297264","https://openalex.org/W2054319109","https://openalex.org/W2056522327","https://openalex.org/W2089337988","https://openalex.org/W2093727147","https://openalex.org/W2094123783","https://openalex.org/W2102905777","https://openalex.org/W2148040251","https://openalex.org/W2155054759","https://openalex.org/W2315032057","https://openalex.org/W2326887955","https://openalex.org/W2333721898","https://openalex.org/W3210736508"],"related_works":["https://openalex.org/W3186964725","https://openalex.org/W2071716208","https://openalex.org/W2315032057","https://openalex.org/W2072525246","https://openalex.org/W2302707623","https://openalex.org/W1579304752","https://openalex.org/W2301601206","https://openalex.org/W2025076659","https://openalex.org/W386497664","https://openalex.org/W2061677204"],"abstract_inverted_index":{"An":[0],"apparent":[1],"temporal":[2,148],"increase":[3],"in":[4,8,18,95],"Mn":[5,40,65,79,115],"and":[6,31,41,60,66,80,116],"As":[7,47,67,81,117],"a":[9,42],"thin":[10],"surface":[11],"layer":[12],"(ca.":[13],"2":[14],"cm)":[15],"of":[16,39,46,98,114,132,146],"sediments":[17],"Lake":[19],"Biwa,":[20],"Japan,":[21],"was":[22],"observed":[23],"by":[24,77,88,91],"comparing":[25],"depth":[26],"profile":[27],"data":[28],"from":[29],"1977":[30],"2009.":[32,55],"By":[33],"our":[34],"estimation,":[35],"several":[36],"thousand":[37],"tonnes":[38,45],"few":[43],"hundred":[44],"newly":[48],"accumulated":[49,112],"during":[50],"the":[51,84,92,96,110,128,143],"32":[52],"years":[53],"to":[54,73,83],"Given":[56],"various":[57],"methodological":[58],"concerns":[59],"geochemical":[61],"factors":[62],"associated":[63],"with":[64],"dynamics,":[68],"this":[69,147],"phenomenon":[70],"is":[71,107,127],"believed":[72],"have":[74],"been":[75],"caused":[76],"increased":[78],"influxes":[82],"lake":[85],"rather":[86],"than":[87],"redistribution":[89],"induced":[90],"intra-annual":[93],"decrease":[94],"level":[97],"dissolved":[99,123],"oxygen.":[100],"Mass":[101],"balance":[102],"calculations":[103],"indicated":[104],"that":[105,109],"it":[106],"unlikely":[108],"recently":[111],"quantities":[113],"were":[118],"supplied":[119],"via":[120],"rivers":[121],"as":[122],"phases;":[124],"rather,":[125],"ground-water":[126],"more":[129],"likely":[130],"source":[131],"these":[133],"quantities.":[134],"Further":[135],"monitoring":[136],"surveys":[137],"will":[138],"be":[139],"important":[140],"for":[141],"assessing":[142],"environmental":[144],"impact":[145],"change.":[149]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-24T09:50:30.924529","created_date":"2016-06-24T00:00:00"}