{"id":"https://openalex.org/W7151552157","doi":"https://doi.org/10.48550/arxiv.2604.03275","title":"IPSL-AID: Generative Diffusion Models for Climate Downscaling from Global to Regional Scales","display_name":"IPSL-AID: Generative Diffusion Models for Climate Downscaling from Global to Regional Scales","publication_year":2026,"publication_date":"2026-03-23","ids":{"openalex":"https://openalex.org/W7151552157","doi":"https://doi.org/10.48550/arxiv.2604.03275"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.03275","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.03275","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.03275","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5099098848","display_name":"Kishanthan Kingston","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kingston, Kishanthan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133075090","display_name":"Olivier Boucher","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Boucher, Olivier","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133069506","display_name":"Freddy Bouchet","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bouchet, Freddy","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128978288","display_name":"Pierre Chapel","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chapel, Pierre","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133085711","display_name":"Rosemary Eade","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Eade, Rosemary","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133121747","display_name":"Jean-Francois Lamarque","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lamarque, Jean-Francois","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008759934","display_name":"Redouane Lguensat","orcid":"https://orcid.org/0000-0003-0226-9057"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lguensat, Redouane","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5012323326","display_name":"Kazem Ardaneh","orcid":"https://orcid.org/0000-0003-0473-6907"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ardaneh, Kazem","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"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":false,"primary_topic":{"id":"https://openalex.org/T10029","display_name":"Climate variability and models","score":0.8845000267028809,"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"}},"topics":[{"id":"https://openalex.org/T10029","display_name":"Climate variability and models","score":0.8845000267028809,"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/T13377","display_name":"Ecosystem dynamics and resilience","score":0.014600000344216824,"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/T10439","display_name":"Climate change impacts on agriculture","score":0.010999999940395355,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/downscaling","display_name":"Downscaling","score":0.9761000275611877},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.6269999742507935},{"id":"https://openalex.org/keywords/climate-model","display_name":"Climate model","score":0.5670999884605408},{"id":"https://openalex.org/keywords/climate-change","display_name":"Climate change","score":0.5648999810218811},{"id":"https://openalex.org/keywords/precipitation","display_name":"Precipitation","score":0.5356000065803528},{"id":"https://openalex.org/keywords/climate-extremes","display_name":"Climate extremes","score":0.43230000138282776},{"id":"https://openalex.org/keywords/statistical-model","display_name":"Statistical model","score":0.4018999934196472},{"id":"https://openalex.org/keywords/general-circulation-model","display_name":"General Circulation Model","score":0.38420000672340393},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.3750999867916107}],"concepts":[{"id":"https://openalex.org/C41156917","wikidata":"https://www.wikidata.org/wiki/Q682831","display_name":"Downscaling","level":3,"score":0.9761000275611877},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.6269999742507935},{"id":"https://openalex.org/C168754636","wikidata":"https://www.wikidata.org/wiki/Q620920","display_name":"Climate model","level":3,"score":0.5670999884605408},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.5648999810218811},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5554999709129333},{"id":"https://openalex.org/C107054158","wikidata":"https://www.wikidata.org/wiki/Q25257","display_name":"Precipitation","level":2,"score":0.5356000065803528},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.5221999883651733},{"id":"https://openalex.org/C2993643576","wikidata":"https://www.wikidata.org/wiki/Q1277161","display_name":"Climate extremes","level":3,"score":0.43230000138282776},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.4180000126361847},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4146000146865845},{"id":"https://openalex.org/C114289077","wikidata":"https://www.wikidata.org/wiki/Q3284399","display_name":"Statistical model","level":2,"score":0.4018999934196472},{"id":"https://openalex.org/C141452985","wikidata":"https://www.wikidata.org/wiki/Q650994","display_name":"General Circulation Model","level":3,"score":0.38420000672340393},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.3750999867916107},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.3458000123500824},{"id":"https://openalex.org/C158709400","wikidata":"https://www.wikidata.org/wiki/Q3578586","display_name":"Spatial ecology","level":2,"score":0.33889999985694885},{"id":"https://openalex.org/C96240277","wikidata":"https://www.wikidata.org/wiki/Q5333237","display_name":"Ecological forecasting","level":4,"score":0.3237999975681305},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.3228999972343445},{"id":"https://openalex.org/C122282355","wikidata":"https://www.wikidata.org/wiki/Q7246855","display_name":"Probabilistic forecasting","level":3,"score":0.31859999895095825},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.30809998512268066},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.30469998717308044},{"id":"https://openalex.org/C115343472","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Global warming","level":3,"score":0.28700000047683716},{"id":"https://openalex.org/C2777489503","wikidata":"https://www.wikidata.org/wiki/Q7698936","display_name":"Temporal scales","level":2,"score":0.28450000286102295},{"id":"https://openalex.org/C32230216","wikidata":"https://www.wikidata.org/wiki/Q7882499","display_name":"Uncertainty quantification","level":2,"score":0.28040000796318054},{"id":"https://openalex.org/C96608239","wikidata":"https://www.wikidata.org/wiki/Q1199823","display_name":"Statistical power","level":2,"score":0.2791000008583069},{"id":"https://openalex.org/C167966045","wikidata":"https://www.wikidata.org/wiki/Q5532625","display_name":"Generative model","level":3,"score":0.2773999869823456},{"id":"https://openalex.org/C24552861","wikidata":"https://www.wikidata.org/wiki/Q2670177","display_name":"Data assimilation","level":2,"score":0.2678999900817871},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.2671000063419342},{"id":"https://openalex.org/C94747663","wikidata":"https://www.wikidata.org/wiki/Q7574086","display_name":"Spatial variability","level":2,"score":0.26460000872612}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.03275","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.03275","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"article"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.03275","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.03275","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":"article"},"sustainable_development_goals":[{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.8685896992683411}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Effective":[0],"adaptation":[1],"and":[2,71,76,106],"mitigation":[3],"strategies":[4],"for":[5,68,92,118],"climate":[6,17,120],"change":[7],"require":[8],"high-resolution":[9],"projections":[10],"to":[11,26,32,41,53,88],"inform":[12],"strategic":[13],"decision-making.":[14],"Conventional":[15],"global":[16,40],"models,":[18],"which":[19],"typically":[20],"operate":[21],"at":[22],"resolutions":[23],"of":[24,85,114],"150":[25],"200":[27],"kilometers,":[28],"lack":[29],"the":[30,112],"capacity":[31],"represent":[33],"essential":[34],"regional":[35,42],"processes.":[36],"IPSL-AID":[37],"is":[38],"a":[39,47],"downscaling":[43,121],"tool":[44],"based":[45],"on":[46,58],"denoising":[48],"diffusion":[49,116],"probabilistic":[50],"model":[51,96],"designed":[52],"address":[54],"this":[55],"limitation.":[56],"Trained":[57],"ERA5":[59],"reanalysis":[60],"data,":[61],"it":[62],"generates":[63],"0.25":[64],"degree":[65],"resolution":[66],"fields":[67],"temperature,":[69],"wind,":[70],"precipitation":[72],"using":[73],"coarse":[74],"inputs":[75],"their":[77],"spatiotemporal":[78],"context.":[79],"It":[80],"also":[81],"models":[82,117],"probability":[83],"distributions":[84],"fine-scale":[86],"features":[87],"produce":[89],"plausible":[90],"scenarios":[91],"uncertainty":[93,123],"quantification.":[94],"The":[95],"accurately":[97],"reconstructs":[98],"statistical":[99],"distributions,":[100],"including":[101],"extreme":[102],"events,":[103],"power":[104],"spectra,":[105],"spatial":[107],"structures.":[108],"This":[109],"work":[110],"highlights":[111],"potential":[113],"generative":[115],"efficient":[119],"with":[122]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-04-08T00:00:00"}