{"id":"https://openalex.org/W3184174833","doi":"https://doi.org/10.3390/rs13152951","title":"The Impact of Phenological Developments on Interferometric and Polarimetric Crop Signatures Derived from Sentinel-1: Examples from the DEMMIN Study Site (Germany)","display_name":"The Impact of Phenological Developments on Interferometric and Polarimetric Crop Signatures Derived from Sentinel-1: Examples from the DEMMIN Study Site (Germany)","publication_year":2021,"publication_date":"2021-07-27","ids":{"openalex":"https://openalex.org/W3184174833","doi":"https://doi.org/10.3390/rs13152951","mag":"3184174833"},"language":"en","primary_location":{"id":"doi:10.3390/rs13152951","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13152951","pdf_url":"https://www.mdpi.com/2072-4292/13/15/2951/pdf?version=1627385946","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/2072-4292/13/15/2951/pdf?version=1627385946","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5001217417","display_name":"Johannes L\u00f6w","orcid":null},"institutions":[{"id":"https://openalex.org/I25974101","display_name":"University of W\u00fcrzburg","ror":"https://ror.org/00fbnyb24","country_code":"DE","type":"education","lineage":["https://openalex.org/I25974101"]},{"id":"https://openalex.org/I68956291","display_name":"Martin Luther University Halle-Wittenberg","ror":"https://ror.org/05gqaka33","country_code":"DE","type":"education","lineage":["https://openalex.org/I68956291"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Johannes L\u00f6w","raw_affiliation_strings":["Department of Geoecology, Institute of Geosciences and Geography, University of Halle-Wittenberg, 06120 Halle (Saale), Germany","Department of Remote Sensing, Institute of Geography and Geology, University of W\u00fcrzburg, 97074 W\u00fcrzburg, Germany"],"affiliations":[{"raw_affiliation_string":"Department of Geoecology, Institute of Geosciences and Geography, University of Halle-Wittenberg, 06120 Halle (Saale), Germany","institution_ids":["https://openalex.org/I68956291"]},{"raw_affiliation_string":"Department of Remote Sensing, Institute of Geography and Geology, University of W\u00fcrzburg, 97074 W\u00fcrzburg, Germany","institution_ids":["https://openalex.org/I25974101"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040298767","display_name":"Tobias Ullmann","orcid":"https://orcid.org/0000-0002-6626-3052"},"institutions":[{"id":"https://openalex.org/I25974101","display_name":"University of W\u00fcrzburg","ror":"https://ror.org/00fbnyb24","country_code":"DE","type":"education","lineage":["https://openalex.org/I25974101"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Tobias Ullmann","raw_affiliation_strings":["Department of Physical Geography, Institute of Geography and Geology, University of W\u00fcrzburg, 97074 W\u00fcrzburg, Germany"],"affiliations":[{"raw_affiliation_string":"Department of Physical Geography, Institute of Geography and Geology, University of W\u00fcrzburg, 97074 W\u00fcrzburg, Germany","institution_ids":["https://openalex.org/I25974101"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047627769","display_name":"Christopher Conrad","orcid":"https://orcid.org/0000-0002-0807-7059"},"institutions":[{"id":"https://openalex.org/I68956291","display_name":"Martin Luther University Halle-Wittenberg","ror":"https://ror.org/05gqaka33","country_code":"DE","type":"education","lineage":["https://openalex.org/I68956291"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Christopher Conrad","raw_affiliation_strings":["Department of Geoecology, Institute of Geosciences and Geography, University of Halle-Wittenberg, 06120 Halle (Saale), Germany"],"affiliations":[{"raw_affiliation_string":"Department of Geoecology, Institute of Geosciences and Geography, University of Halle-Wittenberg, 06120 Halle (Saale), Germany","institution_ids":["https://openalex.org/I68956291"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5001217417"],"corresponding_institution_ids":["https://openalex.org/I25974101","https://openalex.org/I68956291"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2635,"currency":"EUR","value_usd":2841},"fwci":10.9465,"has_fulltext":true,"cited_by_count":17,"citation_normalized_percentile":{"value":0.97615209,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"13","issue":"15","first_page":"2951","last_page":"2951"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9983000159263611,"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"}},{"id":"https://openalex.org/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9965999722480774,"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/phenology","display_name":"Phenology","score":0.7474725246429443},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5704056620597839},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5450388193130493},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.543947696685791},{"id":"https://openalex.org/keywords/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.5043703317642212},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4668259024620056},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.4358356297016144},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.25631245970726013},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.24248406291007996},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.21034133434295654},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.11955833435058594},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1089772880077362},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.07723867893218994}],"concepts":[{"id":"https://openalex.org/C51417038","wikidata":"https://www.wikidata.org/wiki/Q272737","display_name":"Phenology","level":2,"score":0.7474725246429443},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5704056620597839},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5450388193130493},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.543947696685791},{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.5043703317642212},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4668259024620056},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.4358356297016144},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.25631245970726013},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.24248406291007996},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.21034133434295654},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.11955833435058594},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1089772880077362},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.07723867893218994},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"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/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/rs13152951","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13152951","pdf_url":"https://www.mdpi.com/2072-4292/13/15/2951/pdf?version=1627385946","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:344c8a458d45433983ffc7a06ea89ad1","is_oa":true,"landing_page_url":"https://doaj.org/article/344c8a458d45433983ffc7a06ea89ad1","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 15, p 2951 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/15/2951/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13152951","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 13; Issue 15; Pages: 2951","raw_type":"Text"},{"id":"pmh:oai:opus.bibliothek.uni-wuerzburg.de:36945","is_oa":true,"landing_page_url":"https://opus.bibliothek.uni-wuerzburg.de/frontdoor/index/index/docId/36945","pdf_url":null,"source":{"id":"https://openalex.org/S4306401635","display_name":"Online Publication Service of W\u00fcrzburg University (W\u00fcrzburg University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I25974101","host_organization_name":"University of W\u00fcrzburg","host_organization_lineage":["https://openalex.org/I25974101"],"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":"","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs13152951","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13152951","pdf_url":"https://www.mdpi.com/2072-4292/13/15/2951/pdf?version=1627385946","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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3184174833.pdf","grobid_xml":"https://content.openalex.org/works/W3184174833.grobid-xml"},"referenced_works_count":60,"referenced_works":["https://openalex.org/W608137264","https://openalex.org/W833537796","https://openalex.org/W1484674987","https://openalex.org/W1984670836","https://openalex.org/W1989661695","https://openalex.org/W2001992115","https://openalex.org/W2018382620","https://openalex.org/W2021711669","https://openalex.org/W2024081693","https://openalex.org/W2040735786","https://openalex.org/W2044237952","https://openalex.org/W2071110539","https://openalex.org/W2078499498","https://openalex.org/W2078985447","https://openalex.org/W2091994321","https://openalex.org/W2092141993","https://openalex.org/W2117996123","https://openalex.org/W2118778337","https://openalex.org/W2120390927","https://openalex.org/W2120670000","https://openalex.org/W2120761497","https://openalex.org/W2125254269","https://openalex.org/W2126087248","https://openalex.org/W2132965769","https://openalex.org/W2136470617","https://openalex.org/W2141414687","https://openalex.org/W2166368890","https://openalex.org/W2169087452","https://openalex.org/W2552805558","https://openalex.org/W2556291887","https://openalex.org/W2569461747","https://openalex.org/W2745131289","https://openalex.org/W2757797739","https://openalex.org/W2761797972","https://openalex.org/W2773717538","https://openalex.org/W2791962623","https://openalex.org/W2794890081","https://openalex.org/W2796278526","https://openalex.org/W2802049215","https://openalex.org/W2886493749","https://openalex.org/W2890942070","https://openalex.org/W2897656581","https://openalex.org/W2897915518","https://openalex.org/W2916486703","https://openalex.org/W2945300918","https://openalex.org/W2953810481","https://openalex.org/W2969011938","https://openalex.org/W2990427812","https://openalex.org/W2996324674","https://openalex.org/W2997840851","https://openalex.org/W3001402238","https://openalex.org/W3023727915","https://openalex.org/W3025622517","https://openalex.org/W3110968815","https://openalex.org/W3118677321","https://openalex.org/W3127557648","https://openalex.org/W4233280801","https://openalex.org/W6655950472","https://openalex.org/W6744523291","https://openalex.org/W6788248354"],"related_works":["https://openalex.org/W2373524250","https://openalex.org/W4206027277","https://openalex.org/W2373310320","https://openalex.org/W2388003193","https://openalex.org/W2781934594","https://openalex.org/W3206958763","https://openalex.org/W2159160885","https://openalex.org/W2148958581","https://openalex.org/W2910315605","https://openalex.org/W2469797871"],"abstract_inverted_index":{"This":[0],"study":[1],"explores":[2],"the":[3,42,48,61,79,118,137,141,170,186,193],"potential":[4],"of":[5,15,33,45,55,63,88,96,103,154,157,164,188,196],"Sentinel-1":[6],"Synthetic":[7],"Aperture":[8],"Radar":[9],"(SAR)":[10],"to":[11,28,132],"identify":[12],"phenological":[13,73,190,194],"phases":[14],"wheat,":[16,97,165],"sugar":[17,89,158],"beet,":[18],"and":[19,22,36,57,65,70,85,94,108,110,125,144,173,182],"canola.":[20,71],"Breakpoint":[21],"extreme":[23],"value":[24],"analyses":[25,54],"were":[26,98,166],"applied":[27],"a":[29,101],"dense":[30],"time":[31],"series":[32],"interferometric":[34],"(InSAR)":[35],"polarimetric":[37,106],"(PolSAR)":[38],"features":[39,184],"recorded":[40],"during":[41],"growing":[43],"season":[44],"2017":[46],"at":[47],"JECAM":[49],"site":[50],"DEMMIN":[51],"(Germany).":[52],"The":[53],"breakpoints":[56,126,143],"extrema":[58,128],"allowed":[59],"for":[60,68,114],"distinction":[62],"vegetative":[64],"reproductive":[66],"stages":[67],"wheat":[69],"Certain":[72],"stages,":[74],"measured":[75],"in":[76,122,192],"situ":[77,123],"using":[78],"BBCH-scale,":[80],"such":[81,150],"as":[82,151],"leaf":[83,152],"development":[84,153],"rosette":[86],"growth":[87],"beet":[90,159],"or":[91,127,160],"stem":[92],"elongation":[93],"ripening":[95],"detectable":[99,189],"by":[100,169],"combination":[102],"InSAR":[104,171,183],"coherence,":[105],"Alpha":[107],"Entropy,":[109],"backscatter":[111],"(VV/VH).":[112],"Except":[113],"some":[115],"fringe":[116],"cases,":[117],"temporal":[119],"difference":[120],"between":[121],"observations":[124],"ranged":[129],"from":[130],"zero":[131],"five":[133],"days.":[134],"Backscatter":[135],"produced":[136],"signature":[138],"that":[139,179],"generated":[140],"most":[142],"extrema.":[145],"However,":[146],"certain":[147],"micro":[148],"stadia,":[149],"BBCH":[155,162],"10":[156],"flowering":[161],"69":[163],"only":[167],"identifiable":[168],"coherence":[172],"Alpha.":[174],"Hence,":[175],"it":[176],"is":[177],"concluded":[178],"combining":[180],"PolSAR":[181],"increases":[185],"number":[187],"events":[191],"cycles":[195],"crops.":[197]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-11T08:14:18.477133","created_date":"2021-08-02T00:00:00"}