{"id":"https://openalex.org/W4224966716","doi":"https://doi.org/10.3390/rs14030802","title":"Retrieving Freeze/Thaw Cycles Using Sentinel-1 Data in Eastern Nunavik (Qu\u00e9bec, Canada)","display_name":"Retrieving Freeze/Thaw Cycles Using Sentinel-1 Data in Eastern Nunavik (Qu\u00e9bec, Canada)","publication_year":2022,"publication_date":"2022-02-08","ids":{"openalex":"https://openalex.org/W4224966716","doi":"https://doi.org/10.3390/rs14030802"},"language":"en","primary_location":{"id":"doi:10.3390/rs14030802","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14030802","pdf_url":"https://www.mdpi.com/2072-4292/14/3/802/pdf?version=1644331308","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/14/3/802/pdf?version=1644331308","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101568698","display_name":"Yueli Chen","orcid":"https://orcid.org/0009-0005-0428-4041"},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Yueli Chen","raw_affiliation_strings":["Department of Geography, Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen (LMU), 80333 Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen (LMU), 80333 Munich, Germany","institution_ids":["https://openalex.org/I8204097"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100779975","display_name":"Lingxiao Wang","orcid":"https://orcid.org/0000-0003-2081-1022"},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]},{"id":"https://openalex.org/I200845125","display_name":"Nanjing University of Information Science and Technology","ror":"https://ror.org/02y0rxk19","country_code":"CN","type":"education","lineage":["https://openalex.org/I200845125"]}],"countries":["CN","DE"],"is_corresponding":true,"raw_author_name":"Lingxiao Wang","raw_affiliation_strings":["Department of Geography, Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen (LMU), 80333 Munich, Germany","School of Geographic Science, Nanjing University of Information Science and Technology (NUIST), Nanjing 210044, China"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen (LMU), 80333 Munich, Germany","institution_ids":["https://openalex.org/I8204097"]},{"raw_affiliation_string":"School of Geographic Science, Nanjing University of Information Science and Technology (NUIST), Nanjing 210044, China","institution_ids":["https://openalex.org/I200845125"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064807746","display_name":"Monique Bernier","orcid":"https://orcid.org/0000-0002-7812-4965"},"institutions":[{"id":"https://openalex.org/I4210110488","display_name":"Center for Northern Studies","ror":"https://ror.org/01q8ytn75","country_code":"CA","type":"facility","lineage":["https://openalex.org/I182451676","https://openalex.org/I4210110488","https://openalex.org/I43406934","https://openalex.org/I49663120"]},{"id":"https://openalex.org/I39481719","display_name":"Institut National de la Recherche Scientifique","ror":"https://ror.org/04td37d32","country_code":"CA","type":"education","lineage":["https://openalex.org/I39481719","https://openalex.org/I49663120"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Monique Bernier","raw_affiliation_strings":["Centre Eau, Terre & Environnement, Institut National de la Recherche Scientifique, Quebec City, QC G1K 9A9, Canada","Northern Research Center/Centre d\u2019\u00c9tudes Nordiques (CEN), Quebec City, QC G1V 0A6, Canada"],"affiliations":[{"raw_affiliation_string":"Centre Eau, Terre & Environnement, Institut National de la Recherche Scientifique, Quebec City, QC G1K 9A9, Canada","institution_ids":["https://openalex.org/I39481719"]},{"raw_affiliation_string":"Northern Research Center/Centre d\u2019\u00c9tudes Nordiques (CEN), Quebec City, QC G1V 0A6, Canada","institution_ids":["https://openalex.org/I4210110488"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035969125","display_name":"Ralf Ludwig","orcid":"https://orcid.org/0000-0002-4225-4098"},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ralf Ludwig","raw_affiliation_strings":["Department of Geography, Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen (LMU), 80333 Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen (LMU), 80333 Munich, Germany","institution_ids":["https://openalex.org/I8204097"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100779975"],"corresponding_institution_ids":["https://openalex.org/I200845125","https://openalex.org/I8204097"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":0.8099,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.68055127,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"14","issue":"3","first_page":"802","last_page":"802"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11333","display_name":"Climate change and permafrost","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11333","display_name":"Climate change and permafrost","score":0.9998999834060669,"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/T10644","display_name":"Cryospheric studies and observations","score":0.9994999766349792,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"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/permafrost","display_name":"Permafrost","score":0.8453850746154785},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7397366762161255},{"id":"https://openalex.org/keywords/biogeochemical-cycle","display_name":"Biogeochemical cycle","score":0.6567167639732361},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.498676061630249},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.4840089976787567},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.4238082468509674},{"id":"https://openalex.org/keywords/physical-geography","display_name":"Physical geography","score":0.41714534163475037},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.34202083945274353},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.19483625888824463},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.18031123280525208},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.16831395030021667},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1252688765525818},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.12308111786842346}],"concepts":[{"id":"https://openalex.org/C15098985","wikidata":"https://www.wikidata.org/wiki/Q179918","display_name":"Permafrost","level":2,"score":0.8453850746154785},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7397366762161255},{"id":"https://openalex.org/C71915725","wikidata":"https://www.wikidata.org/wiki/Q846303","display_name":"Biogeochemical cycle","level":2,"score":0.6567167639732361},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.498676061630249},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.4840089976787567},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.4238082468509674},{"id":"https://openalex.org/C100970517","wikidata":"https://www.wikidata.org/wiki/Q52107","display_name":"Physical geography","level":1,"score":0.41714534163475037},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.34202083945274353},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.19483625888824463},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.18031123280525208},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.16831395030021667},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1252688765525818},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.12308111786842346},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs14030802","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14030802","pdf_url":"https://www.mdpi.com/2072-4292/14/3/802/pdf?version=1644331308","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:a0e62c280862483985568c3ea9b82266","is_oa":true,"landing_page_url":"https://doaj.org/article/a0e62c280862483985568c3ea9b82266","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 14, Iss 3, p 802 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/14/3/802/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs14030802","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Remote Sensing; Volume 14; Issue 3; Pages: 802","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs14030802","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14030802","pdf_url":"https://www.mdpi.com/2072-4292/14/3/802/pdf?version=1644331308","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Life in Land","score":0.6100000143051147,"id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321605","display_name":"Government of Jiangsu Province","ror":"https://ror.org/004svx814"},{"id":"https://openalex.org/F4320334436","display_name":"Canadian Space Agency","ror":"https://ror.org/03a1gte98"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4224966716.pdf","grobid_xml":"https://content.openalex.org/works/W4224966716.grobid-xml"},"referenced_works_count":46,"referenced_works":["https://openalex.org/W311561747","https://openalex.org/W1589791998","https://openalex.org/W1868050845","https://openalex.org/W1990450660","https://openalex.org/W1990849343","https://openalex.org/W2008254587","https://openalex.org/W2008480759","https://openalex.org/W2011216226","https://openalex.org/W2014511275","https://openalex.org/W2020869550","https://openalex.org/W2021830737","https://openalex.org/W2021964057","https://openalex.org/W2029654989","https://openalex.org/W2044278456","https://openalex.org/W2045934768","https://openalex.org/W2055588961","https://openalex.org/W2060899708","https://openalex.org/W2061505428","https://openalex.org/W2076986089","https://openalex.org/W2091602088","https://openalex.org/W2098931551","https://openalex.org/W2105503694","https://openalex.org/W2146972543","https://openalex.org/W2170659260","https://openalex.org/W2175838288","https://openalex.org/W2216542690","https://openalex.org/W2256687290","https://openalex.org/W2477729891","https://openalex.org/W2574094646","https://openalex.org/W2600900657","https://openalex.org/W2725897987","https://openalex.org/W2752754105","https://openalex.org/W2772509791","https://openalex.org/W2792440436","https://openalex.org/W2802920593","https://openalex.org/W2890225206","https://openalex.org/W2900526984","https://openalex.org/W2901255409","https://openalex.org/W2921701549","https://openalex.org/W2942435959","https://openalex.org/W2948942878","https://openalex.org/W2954747993","https://openalex.org/W3006267506","https://openalex.org/W3010644872","https://openalex.org/W3042340025","https://openalex.org/W6755523783"],"related_works":["https://openalex.org/W1824336683","https://openalex.org/W1982366144","https://openalex.org/W2900526884","https://openalex.org/W1975043628","https://openalex.org/W2349454828","https://openalex.org/W4252886933","https://openalex.org/W2941001766","https://openalex.org/W4297535931","https://openalex.org/W4289313430","https://openalex.org/W4313406232"],"abstract_inverted_index":{"In":[0,102],"the":[1,52,75,79,87,98,106,113,127,140,145,172],"terrestrial":[2],"cryosphere,":[3],"freeze/thaw":[4,176],"(FT)":[5],"state":[6,77],"transitions":[7,177],"play":[8],"an":[9,130],"important":[10],"and":[11,18,25,66,82,84,158,178],"measurable":[12],"role":[13],"in":[14,21,123,186],"climatic,":[15],"hydrological,":[16],"ecological,":[17],"biogeochemical":[19],"processes":[20,185],"permafrost":[22,187],"landscapes.":[23,188],"Active":[24],"passive":[26],"microwave":[27],"remote":[28,56],"sensing":[29,57],"has":[30],"shown":[31],"a":[32,46],"principal":[33],"capacity":[34],"to":[35,60,73,165,170,179],"provide":[36],"effective":[37],"monitoring":[38],"of":[39,55,89,97,139,153,175,183],"landscape":[40],"FT":[41,76],"dynamics.":[42],"The":[43,137],"study":[44,146],"presents":[45],"seasonal":[47,64,141],"threshold":[48,99,142],"approach,":[49],"which":[50],"examines":[51],"timeseries":[53],"progression":[54],"measurements":[58,104],"relative":[59],"signatures":[61],"acquired":[62],"during":[63],"frozen":[65],"thawed":[67],"reference":[68],"states.":[69],"This":[70,161],"is":[71,100,163],"used":[72,111],"estimate":[74],"from":[78,105],"Sentinel-1":[80],"database":[81],"applied":[83],"evaluated":[85],"for":[86,112],"region":[88,147],"Eastern":[90],"Nunavik":[91],"(Qu\u00e9bec,":[92],"Canada).":[93],"An":[94],"optimization":[95],"process":[96],"included.":[101],"situ":[103],"meteorological":[107],"station":[108],"network":[109],"were":[110],"validation":[114],"process.":[115],"Overall,":[116],"acceptable":[117],"estimation":[118],"accuracy":[119,131],"(&gt;70%)":[120],"was":[121,135,148],"achieved":[122],"most":[124],"tests;":[125],"on":[126],"best-performing":[128],"sites,":[129],"higher":[132],"than":[133],"90%":[134],"reached.":[136],"performance":[138],"approach":[143],"over":[144],"further":[149],"discussed":[150],"with":[151],"consideration":[152],"land":[154],"cover,":[155],"spatial":[156],"heterogeneity,":[157],"soil":[159],"depth.":[160],"work":[162],"dedicated":[164],"providing":[166],"more":[167],"accurate":[168],"data":[169],"capture":[171],"spatiotemporal":[173],"heterogeneity":[174],"improving":[180],"our":[181],"understanding":[182],"related":[184]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
