{"id":"https://openalex.org/W3207874707","doi":"https://doi.org/10.1109/igarss47720.2021.9553966","title":"A Review of SAR Observation Requirements for Global and Targeted Science Applications","display_name":"A Review of SAR Observation Requirements for Global and Targeted Science Applications","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3207874707","doi":"https://doi.org/10.1109/igarss47720.2021.9553966","mag":"3207874707"},"language":"en","primary_location":{"id":"doi:10.1109/igarss47720.2021.9553966","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9553966","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","raw_type":"proceedings-article"},"type":"review","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/A5027125446","display_name":"\u00c5ke Rosenqvist","orcid":"https://orcid.org/0000-0001-7896-502X"},"institutions":[{"id":"https://openalex.org/I2800865746","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Ake Rosenqvist","raw_affiliation_strings":["JAXA, Tsukuba, Japan","soloEO, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"JAXA, Tsukuba, Japan","institution_ids":["https://openalex.org/I2800865746"]},{"raw_affiliation_string":"soloEO, Tokyo, Japan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054785425","display_name":"Cathleen E. Jones","orcid":"https://orcid.org/0000-0002-2739-1545"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Cathleen E. Jones","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA"],"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054685597","display_name":"Eric Rignot","orcid":"https://orcid.org/0000-0002-3366-0481"},"institutions":[{"id":"https://openalex.org/I4210137750","display_name":"UC Irvine Health","ror":"https://ror.org/03fgher32","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210137750"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Eric Rignot","raw_affiliation_strings":["UC Irvine, Irvine, USA"],"affiliations":[{"raw_affiliation_string":"UC Irvine, Irvine, USA","institution_ids":["https://openalex.org/I4210137750"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010271388","display_name":"M. Simons","orcid":"https://orcid.org/0000-0003-1412-6395"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mark Simons","raw_affiliation_strings":["California Institute of Technology, Pasadena, USA"],"affiliations":[{"raw_affiliation_string":"California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I122411786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050229976","display_name":"Paul Siqueira","orcid":"https://orcid.org/0000-0001-5781-8282"},"institutions":[{"id":"https://openalex.org/I177605424","display_name":"Amherst College","ror":"https://ror.org/028vqfs63","country_code":"US","type":"education","lineage":["https://openalex.org/I177605424"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Paul Siqueira","raw_affiliation_strings":["U. Massachusetts, Amherst, USA"],"affiliations":[{"raw_affiliation_string":"U. Massachusetts, Amherst, USA","institution_ids":["https://openalex.org/I177605424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003863167","display_name":"Takeo Tadono","orcid":"https://orcid.org/0000-0003-4313-5645"},"institutions":[{"id":"https://openalex.org/I2800865746","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeo Tadono","raw_affiliation_strings":["JAXA, Tsukuba, Japan"],"affiliations":[{"raw_affiliation_string":"JAXA, Tsukuba, Japan","institution_ids":["https://openalex.org/I2800865746"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5027125446"],"corresponding_institution_ids":["https://openalex.org/I2800865746"],"apc_list":null,"apc_paid":null,"fwci":0.68,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.79650477,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1745","last_page":"1748"},"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":0.987500011920929,"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":0.987500011920929,"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/T10406","display_name":"Planetary Science and Exploration","score":0.9696999788284302,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12449","display_name":"Spacecraft Design and Technology","score":0.9613000154495239,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.685114324092865},{"id":"https://openalex.org/keywords/constellation","display_name":"Constellation","score":0.6810089349746704},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5935998558998108},{"id":"https://openalex.org/keywords/systems-engineering","display_name":"Systems engineering","score":0.5273920893669128},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5218347907066345},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.5058200359344482},{"id":"https://openalex.org/keywords/earth-observation","display_name":"Earth observation","score":0.4934054911136627},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.389011025428772},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3369644582271576},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21796515583992004},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20973461866378784},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.18220946192741394},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13238218426704407},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.11813423037528992},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.11202836036682129}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.685114324092865},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.6810089349746704},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5935998558998108},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.5273920893669128},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5218347907066345},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.5058200359344482},{"id":"https://openalex.org/C39399123","wikidata":"https://www.wikidata.org/wiki/Q1348989","display_name":"Earth observation","level":3,"score":0.4934054911136627},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.389011025428772},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3369644582271576},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21796515583992004},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20973461866378784},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.18220946192741394},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13238218426704407},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.11813423037528992},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.11202836036682129},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss47720.2021.9553966","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9553966","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2801080295","https://openalex.org/W2502457263","https://openalex.org/W2153884633","https://openalex.org/W2983156577","https://openalex.org/W2946255863","https://openalex.org/W2793291586","https://openalex.org/W3111202361","https://openalex.org/W988004444","https://openalex.org/W2901477771","https://openalex.org/W3090835540"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"provide":[4,49],"a":[5,14,76,79],"brief":[6],"review":[7],"of":[8,36,64],"the":[9,33,37,59,72,86],"Earth":[10],"observation":[11],"requirements":[12],"for":[13,19,71,78],"number":[15],"key":[16],"science":[17,38],"applications":[18],"which":[20],"spaceborne":[21],"Synthetic":[22],"Aperture":[23],"Radar":[24],"sensors":[25],"can":[26,55],"contribute":[27],"with":[28,44,75],"critical":[29],"measurements.":[30],"We":[31],"outline":[32],"current":[34,65],"state":[35],"and":[39,47,66,70],"identify":[40],"information":[41],"gaps":[42,54],"associated":[43],"each":[45],"application,":[46],"subsequently,":[48],"recommendations":[50],"on":[51],"how":[52],"these":[53],"be":[56],"mitigated":[57],"in":[58],"2020's":[60],"time-frame":[61],"by":[62],"coordination":[63],"already":[67],"planned":[68],"missions,":[69],"next":[73],"decade,":[74],"vision":[77],"comprehensive":[80],"constellation":[81],"system":[82],"that":[83],"would":[84],"address":[85],"outstanding":[87],"scientific":[88],"requirements.":[89]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}