{"id":"https://openalex.org/W7204149673","doi":"https://doi.org/10.48550/arxiv.2608.20931","title":"Data-Driven Characterisation of Wave-Forced Turbulence Using Time-Resolved Forecast-Error Growth","display_name":"Data-Driven Characterisation of Wave-Forced Turbulence Using Time-Resolved Forecast-Error Growth","publication_year":2026,"publication_date":"2026-08-21","ids":{"openalex":"https://openalex.org/W7204149673","doi":"https://doi.org/10.48550/arxiv.2608.20931"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2608.20931","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.20931","pdf_url":"https://arxiv.org/pdf/2608.20931","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"parent_works":[],"lineage":["https://openalex.org/W7204149673"],"child_works_count":0,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2608.20931","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5147959276","display_name":"Raj Jyoti Baishya","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Baishya, Raj Jyoti","raw_affiliation_strings":["Department of Civil Engineering , Indian Institute of Technology Guwahati , Guwahati , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering , Indian Institute of Technology Guwahati , Guwahati , India","institution_ids":["https://openalex.org/I1317621060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126557208","display_name":"Joychen Kenglang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Kenglang, Joychen","raw_affiliation_strings":["Department of Civil Engineering , Indian Institute of Technology Guwahati , Guwahati , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering , Indian Institute of Technology Guwahati , Guwahati , India","institution_ids":["https://openalex.org/I1317621060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121067598","display_name":"Andrei Velichko","orcid":"https://orcid.org/0000-0002-9341-1831","observed_orcids":["https://orcid.org/0000-0002-9341-1831","https://orcid.org/0000-0001-8760-316X"]},"institutions":[{"id":"https://openalex.org/I197524780","display_name":"Petrozavodsk State University","ror":"https://ror.org/0176aa147","country_code":"RU","type":"education","lineage":["https://openalex.org/I197524780"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Velichko, Andrei","raw_affiliation_strings":["Institute of Physics and Technology , Petrozavodsk State University , Petrozavodsk 185910 , Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Physics and Technology , Petrozavodsk State University , Petrozavodsk 185910 , Russia","institution_ids":["https://openalex.org/I197524780"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066935717","display_name":"Bimlesh Kumar","orcid":"https://orcid.org/0000-0001-6001-8411","observed_orcids":["https://orcid.org/0000-0001-6001-8411"]},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Kumar, Bimlesh","raw_affiliation_strings":["Department of Civil Engineering , Indian Institute of Technology Guwahati , Guwahati , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering , Indian Institute of Technology Guwahati , Guwahati , India","institution_ids":["https://openalex.org/I1317621060"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"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/T10360","display_name":"Fluid Dynamics and Turbulent Flows","score":0.9672999978065491,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10360","display_name":"Fluid Dynamics and Turbulent Flows","score":0.9672999978065491,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10466","display_name":"Meteorological Phenomena and Simulations","score":0.0026000000070780516,"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/T10577","display_name":"Hydrology and Sediment Transport Processes","score":0.0024999999441206455,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"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/excitation-frequency","display_name":"excitation frequency","score":0.5230000019073486},{"id":"https://openalex.org/keywords/forecast-error-growth","display_name":"forecast error growth","score":0.5960000157356262},{"id":"https://openalex.org/keywords/short-term-predictability","display_name":"short-term predictability","score":0.8080000281333923},{"id":"https://openalex.org/keywords/turbulent-channel-flow","display_name":"turbulent channel flow","score":0.5230000019073486},{"id":"https://openalex.org/keywords/acoustic-doppler-velocimetry","display_name":"acoustic Doppler velocimetry","score":0.8399999737739563},{"id":"https://openalex.org/keywords/intermittency","display_name":"intermittency","score":0.48100000619888306}],"concepts":[{"id":"https://openalex.org/C197115733","wikidata":"https://www.wikidata.org/wiki/Q1003136","display_name":"Forcing (mathematics)","level":2,"score":0.7659000158309937},{"id":"https://openalex.org/C196558001","wikidata":"https://www.wikidata.org/wiki/Q190132","display_name":"Turbulence","level":2,"score":0.7646999955177307},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.618399977684021},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.5065000057220459},{"id":"https://openalex.org/C2983668108","wikidata":"https://www.wikidata.org/wiki/Q280453","display_name":"Spectral analysis","level":3,"score":0.4796999990940094},{"id":"https://openalex.org/C72169020","wikidata":"https://www.wikidata.org/wiki/Q194404","display_name":"Monotonic function","level":2,"score":0.4593999981880188},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.41350001096725464},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3804999887943268},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.364300012588501},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.3361000120639801},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33219999074935913},{"id":"https://openalex.org/C145912823","wikidata":"https://www.wikidata.org/wiki/Q113558","display_name":"Dynamics (music)","level":2,"score":0.29679998755455017},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.29170000553131104},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.2605000138282776},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.2581000030040741},{"id":"https://openalex.org/C15476950","wikidata":"https://www.wikidata.org/wiki/Q7854776","display_name":"Turbulence kinetic energy","level":3,"score":0.251800000667572},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.2513999938964844}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2608.20931","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.20931","pdf_url":"https://arxiv.org/pdf/2608.20931","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2608.20931","doi":"https://doi.org/10.48550/arxiv.2608.20931","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2608.20931","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2608.20931","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.20931","pdf_url":"https://arxiv.org/pdf/2608.20931","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7204149673.pdf","grobid_xml":"https://content.openalex.org/works/W7204149673.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W2124428761","https://openalex.org/W2152254020","https://openalex.org/W3003706358","https://openalex.org/W3042810002","https://openalex.org/W3043165719","https://openalex.org/W3187416811","https://openalex.org/W4284899160","https://openalex.org/W4307574222","https://openalex.org/W4360946310","https://openalex.org/W4391876479","https://openalex.org/W4395083933","https://openalex.org/W4396228720","https://openalex.org/W4404489500","https://openalex.org/W4404698713","https://openalex.org/W4414691668","https://openalex.org/W7124133957","https://openalex.org/W7128913375","https://openalex.org/W7161707331","https://openalex.org/W7167920492"],"related_works":["https://openalex.org/W4379160978","https://openalex.org/W2787721120","https://openalex.org/W3136691920","https://openalex.org/W4386484172","https://openalex.org/W2550561624","https://openalex.org/W2089053806","https://openalex.org/W3193291496","https://openalex.org/W2069557812","https://openalex.org/W2799467782","https://openalex.org/W68684564"],"abstract_inverted_index":{"Periodic":[0],"surface-wave":[1],"forcing":[2,27],"can":[3],"reorganise":[4],"turbulent":[5],"flows":[6],"through":[7],"coherent":[8],"spectral":[9],"response,":[10],"synchronization,":[11],"intermittency,":[12],"and":[13,46,64,96,102,154,188,193],"changes":[14],"in":[15,116],"short-term":[16],"predictability,":[17],"so":[18],"its":[19],"dynamical":[20],"effect":[21],"need":[22],"not":[23,128],"vary":[24],"monotonically":[25],"with":[26,140,185],"frequency.":[28],"We":[29],"reanalyse":[30],"laboratory":[31],"acoustic":[32],"Doppler":[33],"velocimetry":[34],"records":[35],"obtained":[36],"at":[37],"constant":[38],"discharge":[39],"under":[40],"four":[41],"conditions":[42],"(0,":[43],"0.5,":[44,100,192],"0.67,":[45,101],"1~Hz)":[47],"using":[48],"one":[49],"common":[50],"KNN--GMAE":[51],"forecast-error-growth":[52,83],"protocol.":[53],"A":[54,136],"distance-weighted":[55],"$k$-nearest-neighbour":[56],"predictor":[57],"generates":[58],"out-of-sample":[59],"forecasts":[60],"over":[61],"multiple":[62],"horizons,":[63],"the":[65,68,87,124,155,161,179],"slope":[66],"of":[67,72,131,175],"early":[69],"quasi-linear":[70],"region":[71],"$\\ln(\\mathrm{GMAE})$":[73],"versus":[74],"physical":[75],"forecast":[76],"time":[77],"is":[78,92,114,127],"reported":[79],"as":[80],"a":[81,132,141,169],"finite-horizon":[82],"rate,":[84],"$\\lFEG$.":[85],"For":[86],"full":[88],"120-s":[89],"records,":[90],"$\\lFEG$":[91],"5.68,":[93],"0.85,":[94],"3.39,":[95],"4.11~s$^{-1}$":[97],"for":[98,168,190],"0,":[99,191],"1~Hz,":[103],"respectively.":[104],"The":[105,148],"ordering":[106],"0~Hz":[107],"$>$":[108,110,112],"1~Hz":[109],"0.67~Hz":[111],"0.5~Hz":[113],"preserved":[115],"all":[117],"seven":[118],"nearby":[119],"parameter":[120],"configurations,":[121],"indicating":[122],"that":[123],"comparative":[125],"result":[126],"an":[129],"artefact":[130],"single":[133,170],"KNN":[134],"setting.":[135],"40-s":[137],"sliding-window":[138],"analysis":[139],"10-s":[142],"step":[143],"reveals":[144],"substantial":[145],"temporal":[146],"structure.":[147],"no-wave":[149],"condition":[150,157],"remains":[151],"predominantly":[152,158],"high":[153],"0.5-Hz":[156],"low,":[159],"whereas":[160],"1-Hz":[162],"record":[163],"has":[164],"weaker":[165],"local":[166],"support":[167],"exponential-growth":[171],"regime:":[172],"only":[173],"3":[174],"9":[176],"windows":[177],"satisfy":[178],"adopted":[180],"early-fit":[181],"criterion":[182],"$\\RFEG\\geq0.90$,":[183],"compared":[184],"8/9,":[186],"7/9,":[187],"7/9":[189],"0.67~Hz.":[194]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-08-25T00:00:00"}
