{"id":"https://openalex.org/W2061730810","doi":"https://doi.org/10.1109/igarss.2012.6350652","title":"Observation of melt onset in an arctic tundra landscape using high resolution TerraSAR-X and RADARSAT-2 data","display_name":"Observation of melt onset in an arctic tundra landscape using high resolution TerraSAR-X and RADARSAT-2 data","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W2061730810","doi":"https://doi.org/10.1109/igarss.2012.6350652","mag":"2061730810"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2012.6350652","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6350652","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014808809","display_name":"Jennifer Sobiech","orcid":null},"institutions":[{"id":"https://openalex.org/I127251866","display_name":"Alfred-Wegener-Institut Helmholtz-Zentrum f\u00fcr Polar- und Meeresforschung","ror":"https://ror.org/032e6b942","country_code":"DE","type":"facility","lineage":["https://openalex.org/I127251866","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Jennifer Sobiech","raw_affiliation_strings":["Alfred Wegener Institute\uc2a0of Polar and Marine Research, Potsdam, Germany","Alfred Wegener Institute for Polar and Marine Research, Bremerhaven and Potsdam, Germany"],"affiliations":[{"raw_affiliation_string":"Alfred Wegener Institute\uc2a0of Polar and Marine Research, Potsdam, Germany","institution_ids":["https://openalex.org/I127251866"]},{"raw_affiliation_string":"Alfred Wegener Institute for Polar and Marine Research, Bremerhaven and Potsdam, Germany","institution_ids":["https://openalex.org/I127251866"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011080965","display_name":"Julia Boike","orcid":"https://orcid.org/0000-0002-5875-2112"},"institutions":[{"id":"https://openalex.org/I127251866","display_name":"Alfred-Wegener-Institut Helmholtz-Zentrum f\u00fcr Polar- und Meeresforschung","ror":"https://ror.org/032e6b942","country_code":"DE","type":"facility","lineage":["https://openalex.org/I127251866","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Julia Boike","raw_affiliation_strings":["Alfred Wegener Institute\uc2a0of Polar and Marine Research, Potsdam, Germany","Alfred Wegener Institute for Polar and Marine Research, Bremerhaven and Potsdam, Germany"],"affiliations":[{"raw_affiliation_string":"Alfred Wegener Institute\uc2a0of Polar and Marine Research, Potsdam, Germany","institution_ids":["https://openalex.org/I127251866"]},{"raw_affiliation_string":"Alfred Wegener Institute for Polar and Marine Research, Bremerhaven and Potsdam, Germany","institution_ids":["https://openalex.org/I127251866"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074244279","display_name":"Wolfgang Dierking","orcid":"https://orcid.org/0000-0002-5031-648X"},"institutions":[{"id":"https://openalex.org/I127251866","display_name":"Alfred-Wegener-Institut Helmholtz-Zentrum f\u00fcr Polar- und Meeresforschung","ror":"https://ror.org/032e6b942","country_code":"DE","type":"facility","lineage":["https://openalex.org/I127251866","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wolfgang Dierking","raw_affiliation_strings":["Alfred Wegener Institute\uc2a0of Polar and Marine Research, Potsdam, Germany","Alfred Wegener Institute for Polar and Marine Research, Bremerhaven and Potsdam, Germany"],"affiliations":[{"raw_affiliation_string":"Alfred Wegener Institute\uc2a0of Polar and Marine Research, Potsdam, Germany","institution_ids":["https://openalex.org/I127251866"]},{"raw_affiliation_string":"Alfred Wegener Institute for Polar and Marine Research, Bremerhaven and Potsdam, Germany","institution_ids":["https://openalex.org/I127251866"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5014808809"],"corresponding_institution_ids":["https://openalex.org/I127251866"],"apc_list":null,"apc_paid":null,"fwci":0.9302,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.77490666,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"62","issue":null,"first_page":"3552","last_page":"3555"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11333","display_name":"Climate change and permafrost","score":1.0,"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":1.0,"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":0.9998999834060669,"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/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9993000030517578,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/tundra","display_name":"Tundra","score":0.9329814314842224},{"id":"https://openalex.org/keywords/snowmelt","display_name":"Snowmelt","score":0.8622860312461853},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6143388748168945},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.6115512251853943},{"id":"https://openalex.org/keywords/arctic","display_name":"Arctic","score":0.6101445555686951},{"id":"https://openalex.org/keywords/snow","display_name":"Snow","score":0.6076204180717468},{"id":"https://openalex.org/keywords/permafrost","display_name":"Permafrost","score":0.6053420901298523},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5302260518074036},{"id":"https://openalex.org/keywords/sea-ice","display_name":"Sea ice","score":0.4987316131591797},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.4638986587524414},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.45172494649887085},{"id":"https://openalex.org/keywords/physical-geography","display_name":"Physical geography","score":0.4121285080909729},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4103606939315796},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.39666736125946045},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.3616194427013397},{"id":"https://openalex.org/keywords/geomorphology","display_name":"Geomorphology","score":0.2204919159412384},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.15934816002845764},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.14782777428627014},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.09927985072135925}],"concepts":[{"id":"https://openalex.org/C125069764","wikidata":"https://www.wikidata.org/wiki/Q43262","display_name":"Tundra","level":3,"score":0.9329814314842224},{"id":"https://openalex.org/C64649846","wikidata":"https://www.wikidata.org/wiki/Q1754697","display_name":"Snowmelt","level":3,"score":0.8622860312461853},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6143388748168945},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.6115512251853943},{"id":"https://openalex.org/C518008717","wikidata":"https://www.wikidata.org/wiki/Q25322","display_name":"Arctic","level":2,"score":0.6101445555686951},{"id":"https://openalex.org/C197046000","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow","level":2,"score":0.6076204180717468},{"id":"https://openalex.org/C15098985","wikidata":"https://www.wikidata.org/wiki/Q179918","display_name":"Permafrost","level":2,"score":0.6053420901298523},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5302260518074036},{"id":"https://openalex.org/C136894858","wikidata":"https://www.wikidata.org/wiki/Q213926","display_name":"Sea ice","level":2,"score":0.4987316131591797},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4638986587524414},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.45172494649887085},{"id":"https://openalex.org/C100970517","wikidata":"https://www.wikidata.org/wiki/Q52107","display_name":"Physical geography","level":1,"score":0.4121285080909729},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4103606939315796},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.39666736125946045},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.3616194427013397},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.2204919159412384},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.15934816002845764},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.14782777428627014},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.09927985072135925},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0},{"id":"https://openalex.org/C147176958","wikidata":"https://www.wikidata.org/wiki/Q77590","display_name":"Civil engineering","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/igarss.2012.6350652","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6350652","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:epic.awi.de:30918","is_oa":false,"landing_page_url":"https://epic.awi.de/id/eprint/30918/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400378","display_name":"Helmholtz-Zentrum f\u00fcr Polar-und Meeresforschung (Alfred-Wegener-Institut)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2799732068","host_organization_name":"Royal Prince Alfred Hospital","host_organization_lineage":["https://openalex.org/I2799732068"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference"},{"id":"pmh:oai:epic.awi.de:31210","is_oa":false,"landing_page_url":"https://epic.awi.de/id/eprint/31210/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400378","display_name":"Helmholtz-Zentrum f\u00fcr Polar-und Meeresforschung (Alfred-Wegener-Institut)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2799732068","host_organization_name":"Royal Prince Alfred Hospital","host_organization_lineage":["https://openalex.org/I2799732068"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2014244352","https://openalex.org/W2025719935","https://openalex.org/W2111941937","https://openalex.org/W2139723657","https://openalex.org/W2161355009","https://openalex.org/W2170006997"],"related_works":["https://openalex.org/W2134517543","https://openalex.org/W2154307361","https://openalex.org/W1982366144","https://openalex.org/W1824336683","https://openalex.org/W2900526884","https://openalex.org/W1975043628","https://openalex.org/W2349454828","https://openalex.org/W1881036256","https://openalex.org/W4252886933","https://openalex.org/W2941001766"],"abstract_inverted_index":{"Melt":[0],"and":[1,6,70,96,119,143],"thaw":[2,48],"of":[3,28,42,49,107,116,131],"snow,":[4],"ice,":[5],"soil":[7],"are":[8,84],"important":[9],"processes":[10],"for":[11,18],"the":[12,26,33,47,50,76,100,105,113,132,144,148],"hydrological":[13],"cycle":[14],"as":[15,17,61,63],"well":[16,62],"energy":[19],"fluxes.":[20],"Remote":[21],"sensing":[22],"from":[23,40,66],"space":[24],"allows":[25],"monitoring":[27,41],"vast":[29],"uninhabitated":[30],"regions":[31],"like":[32],"Siberian":[34],"Arctic.":[35],"This":[36],"study":[37],"presents":[38],"results":[39],"snowmelt":[43,117],"events":[44,118],"during":[45],"spring,":[46],"active":[51],"layer":[52],"on":[53,57],"different":[54,124],"geomorphological":[55,125],"units":[56],"tundra":[58],"land":[59,141],"surfaces,":[60],"lake-ice":[64],"decay":[65],"high":[67,128],"resolution":[68,130],"TerraSAR-X":[69,133],"quad-pol":[71],"RADARSAT-2":[72],"timeseries":[73],"acquired":[74],"over":[75],"central":[77],"Lena":[78],"Delta,":[79],"Siberia.":[80],"The":[81,127],"main":[82],"findings":[83],"that":[85],"X-band":[86],"data":[87],"do":[88],"not":[89],"show":[90,112],"a":[91],"backscatter":[92,102],"difference":[93],"between":[94,123,140],"frozen":[95],"thawed":[97],"soils,":[98],"whereas":[99],"C-band":[101],"rises":[103],"in":[104,147],"order":[106],"3":[108],"dB.":[109],"Polarimetric":[110],"decompositions":[111],"spatial":[114,129],"extend":[115],"help":[120],"to":[121,138],"distinguish":[122,139],"units.":[126],"images":[134],"is":[135],"extremely":[136],"helpful":[137],"surfaces":[142],"frequent":[145],"ponds":[146],"investigation":[149],"area.":[150]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
