{"id":"https://openalex.org/W6893158366","doi":"https://doi.org/10.5281/zenodo.15711462","title":"Evaluation of the UTOPIA Model for Simulating the Size Distribution of Microplastics in the Environment","display_name":"Evaluation of the UTOPIA Model for Simulating the Size Distribution of Microplastics in the Environment","publication_year":2025,"publication_date":"2025-05-15","ids":{"openalex":"https://openalex.org/W6893158366","doi":"https://doi.org/10.5281/zenodo.15711462"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.15711462","doi":"https://doi.org/10.5281/zenodo.15711462","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.15711462","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},"volume":null,"type":"dissertation","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5281/zenodo.15711462","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Krishnappan, Rakesh","orcid":"https://orcid.org/0009-0002-4398-9800","observed_orcids":["https://orcid.org/0009-0002-4398-9800"]},"institutions":[{"id":"https://openalex.org/I161593684","display_name":"Stockholm University","ror":"https://ror.org/05f0yaq80","country_code":"SE","type":"education","lineage":["https://openalex.org/I161593684"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"Krishnappan, Rakesh","raw_affiliation_strings":["Stockholm University"],"raw_orcid":"https://orcid.org/0009-0002-4398-9800","affiliations":[{"raw_affiliation_string":"Stockholm University","institution_ids":["https://openalex.org/I161593684"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I161593684"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T10753","display_name":"Microplastics and Plastic Pollution","score":1.0,"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/T10753","display_name":"Microplastics and Plastic Pollution","score":1.0,"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/T10419","display_name":"Pharmaceutical and Antibiotic Environmental Impacts","score":0.0,"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/T10032","display_name":"Marine and coastal ecosystems","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/microplastics","display_name":"microplastics","score":0.9869999885559082},{"id":"https://openalex.org/keywords/microplastic-size-distribution","display_name":"microplastic size distribution","score":0.9070000052452087},{"id":"https://openalex.org/keywords/plastic-density","display_name":"plastic density","score":0.9049999713897705},{"id":"https://openalex.org/keywords/sequential-fragmentation","display_name":"sequential fragmentation","score":0.9160000085830688},{"id":"https://openalex.org/keywords/freshwater-microplastics","display_name":"freshwater microplastics","score":0.7639999985694885},{"id":"https://openalex.org/keywords/marine-microplastics","display_name":"marine microplastics","score":0.9980000257492065},{"id":"https://openalex.org/keywords/sediment-microplastics","display_name":"sediment microplastics","score":0.9599999785423279},{"id":"https://openalex.org/keywords/model-parameter-selection","display_name":"model parameter selection","score":0.49799999594688416}],"concepts":[{"id":"https://openalex.org/C2780401329","wikidata":"https://www.wikidata.org/wiki/Q6839919","display_name":"Microplastics","level":2,"score":0.9634000062942505},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6367999911308289},{"id":"https://openalex.org/C191015642","wikidata":"https://www.wikidata.org/wiki/Q1132459","display_name":"Fragmentation (computing)","level":2,"score":0.6233999729156494},{"id":"https://openalex.org/C2781162219","wikidata":"https://www.wikidata.org/wiki/Q26250693","display_name":"Replicate","level":2,"score":0.5893999934196472},{"id":"https://openalex.org/C2779892437","wikidata":"https://www.wikidata.org/wiki/Q7202090","display_name":"Plastic pollution","level":3,"score":0.4097000062465668},{"id":"https://openalex.org/C2775944640","wikidata":"https://www.wikidata.org/wiki/Q131156","display_name":"Utopia","level":2,"score":0.4059999883174896},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.3684000074863434},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.33059999346733093},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.3000999987125397},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.29499998688697815},{"id":"https://openalex.org/C2989031253","wikidata":"https://www.wikidata.org/wiki/Q925667","display_name":"Numerical modeling","level":2,"score":0.25839999318122864},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.25690001249313354},{"id":"https://openalex.org/C108215451","wikidata":"https://www.wikidata.org/wiki/Q7263963","display_name":"Simulation modeling","level":2,"score":0.2565000057220459}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5281/zenodo.15711462","doi":"https://doi.org/10.5281/zenodo.15711462","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.15711462","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Dissertation"},{"id":"doi:10.5281/zenodo.15711463","doi":"https://doi.org/10.5281/zenodo.15711463","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.15711463","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Dissertation"}],"best_oa_location":{"id":"doi:10.5281/zenodo.15711462","doi":"https://doi.org/10.5281/zenodo.15711462","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.15711462","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"score":0.7866539359092712,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Microplastics":[0],"are":[1,96],"widespread":[2],"contaminants":[3],"with":[4,138,154,167,176,184],"complex":[5],"environmental":[6,78],"behavior,":[7],"making":[8],"their":[9],"fate":[10,217],"and":[11,32,52,62,72,180,219],"transport":[12],"challenging":[13],"to":[14,23,44,140,213,227],"predict.":[15],"This":[16,210],"study":[17],"evaluates":[18],"the":[19,100,108,122,126,145,170,194,221],"UTOPIA":[20,87,195],"model's":[21,196],"ability":[22],"simulate":[24],"observed":[25,77,90],"microplastic":[26,232],"size":[27,91,161,224],"distributions":[28,92],"across":[29],"freshwater,":[30],"marine,":[31],"sediment":[33],"environments.":[34],"The":[35],"model":[36,113,136,229],"was":[37,67,121],"configured":[38],"using":[39,69],"over":[40],"50,000":[41],"simulation":[42],"runs":[43,147],"explore":[45],"a":[46,131],"wide":[47],"range":[48],"of":[49,125,144,163,223],"emission":[50],"scenarios":[51,137],"parameter":[53],"combinations,":[54],"particularly":[55],"focusing":[56],"on":[57],"fragmentation":[58,60,104,117,156],"style,":[59],"timescale,":[61],"discorporation":[63],"half-life.":[64],"Model":[65],"performance":[66],"assessed":[68],"RMSE,":[70],"R\u00b2,":[71],"visual":[73],"overlay":[74],"comparisons":[75],"against":[76],"data":[79,226],"from":[80,169],"11":[81],"published":[82],"studies.":[83],"Results":[84],"show":[85],"that":[86],"can":[88],"replicate":[89],"when":[93],"input":[94,205],"parameters":[95,102,206],"environmentally":[97],"plausible.":[98],"Among":[99],"three":[101],"tested,":[103],"style":[105],"emerged":[106],"as":[107],"most":[109],"influential":[110],"factor":[111],"affecting":[112],"fit,":[114],"followed":[115],"by":[116],"timescale.":[118],"Discorporation":[119],"half-life":[120],"least":[123],"important":[124],"three,":[127],"but":[128,198],"sometimes":[129],"played":[130],"secondary":[132],"role,":[133],"especially":[134],"in":[135,207,216],"emissions":[139],"terrestrial":[141],"compartments.":[142],"Analysis":[143],"top-performing":[146],"revealed":[148],"clear":[149],"patterns":[150],"linking":[151],"plastic":[152],"density":[153],"specific":[155],"behaviors.":[157],"Specifically,":[158],"UTOPIA\u2019s":[159],"modeled":[160],"distribution":[162,225],"microplastics":[164],"agreed":[165],"best":[166],"measurements":[168],"real":[171],"environment":[172],"for":[173,181,202],"low-density":[174],"plastics":[175,183],"faster,":[177],"erosive":[178],"fragmentation,":[179],"high-density":[182],"slower,":[185],"more":[186],"sequential":[187],"fragmentation.":[188],"These":[189],"findings":[190],"not":[191],"only":[192],"validate":[193],"structure":[197],"also":[199],"offer":[200],"recommendations":[201],"selecting":[203],"default":[204],"data-scarce":[208],"situations.":[209],"work":[211],"contributes":[212],"reducing":[214],"uncertainty":[215],"modeling":[218],"supports":[220],"use":[222],"constrain":[228],"assumptions":[230],"about":[231],"degradation":[233],"processes.":[234]},"counts_by_year":[],"updated_date":"2026-10-07T09:51:55.459714","created_date":"2025-10-10T00:00:00"}
