{"id":"https://openalex.org/W2892624168","doi":"https://doi.org/10.3390/rs10101557","title":"Fifteen Years of Cal/Val Service to Reference Altimetry Missions: Calibration of Satellite Altimetry at the Permanent Facilities in Gavdos and Crete, Greece","display_name":"Fifteen Years of Cal/Val Service to Reference Altimetry Missions: Calibration of Satellite Altimetry at the Permanent Facilities in Gavdos and Crete, Greece","publication_year":2018,"publication_date":"2018-09-27","ids":{"openalex":"https://openalex.org/W2892624168","doi":"https://doi.org/10.3390/rs10101557","mag":"2892624168"},"language":"en","primary_location":{"id":"doi:10.3390/rs10101557","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10101557","pdf_url":"https://www.mdpi.com/2072-4292/10/10/1557/pdf?version=1538108527","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/2072-4292/10/10/1557/pdf?version=1538108527","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060458419","display_name":"Stelios P. Mertikas","orcid":"https://orcid.org/0000-0002-1037-7376"},"institutions":[{"id":"https://openalex.org/I55741626","display_name":"Technical University of Crete","ror":"https://ror.org/03f8bz564","country_code":"GR","type":"education","lineage":["https://openalex.org/I55741626"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Stelios P. Mertikas","raw_affiliation_strings":["Geodesy and Geomatics Engineering Laboratory, Technical University of Crete, GR-73100 Chania, Greece"],"affiliations":[{"raw_affiliation_string":"Geodesy and Geomatics Engineering Laboratory, Technical University of Crete, GR-73100 Chania, Greece","institution_ids":["https://openalex.org/I55741626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055769454","display_name":"Craig Donlon","orcid":"https://orcid.org/0000-0002-7359-0115"},"institutions":[{"id":"https://openalex.org/I44377176","display_name":"European Space Research and Technology Centre","ror":"https://ror.org/03h3jqn23","country_code":"NL","type":"government","lineage":["https://openalex.org/I2801994115","https://openalex.org/I44377176"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Craig Donlon","raw_affiliation_strings":["European Space Agency/European Space Research and Technology Centre (ESA/ESTEC), Keplerlaan 1, 2201 AZ Noordwijk, The Netherlands"],"affiliations":[{"raw_affiliation_string":"European Space Agency/European Space Research and Technology Centre (ESA/ESTEC), Keplerlaan 1, 2201 AZ Noordwijk, The Netherlands","institution_ids":["https://openalex.org/I44377176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068323768","display_name":"Pierre F\u00e9m\u00e9nias","orcid":"https://orcid.org/0009-0001-2011-5660"},"institutions":[{"id":"https://openalex.org/I4210165017","display_name":"European Space Research Institute","ror":"https://ror.org/05vt9rv16","country_code":"IT","type":"facility","lineage":["https://openalex.org/I2801994115","https://openalex.org/I4210165017"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Pierre F\u00e9m\u00e9nias","raw_affiliation_strings":["European Space Agency/European Space Research Institute (ESA/ESRIN), Via Galileo Galilei, I-00044 Frascati, Italy"],"affiliations":[{"raw_affiliation_string":"European Space Agency/European Space Research Institute (ESA/ESRIN), Via Galileo Galilei, I-00044 Frascati, Italy","institution_ids":["https://openalex.org/I4210165017"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010794268","display_name":"C. Mavrocordatos","orcid":null},"institutions":[{"id":"https://openalex.org/I44377176","display_name":"European Space Research and Technology Centre","ror":"https://ror.org/03h3jqn23","country_code":"NL","type":"government","lineage":["https://openalex.org/I2801994115","https://openalex.org/I44377176"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Constantin Mavrocordatos","raw_affiliation_strings":["European Space Agency/European Space Research and Technology Centre (ESA/ESTEC), Keplerlaan 1, 2201 AZ Noordwijk, The Netherlands"],"affiliations":[{"raw_affiliation_string":"European Space Agency/European Space Research and Technology Centre (ESA/ESTEC), Keplerlaan 1, 2201 AZ Noordwijk, The Netherlands","institution_ids":["https://openalex.org/I44377176"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066619850","display_name":"Demitrios Galanakis","orcid":"https://orcid.org/0000-0003-2082-0551"},"institutions":[{"id":"https://openalex.org/I4210108479","display_name":"Space Hellas (Greece)","ror":"https://ror.org/01nx9mw61","country_code":"GR","type":"company","lineage":["https://openalex.org/I4210108479"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Demitris Galanakis","raw_affiliation_strings":["Space Geomatica P.C., Xanthoudidou 10A, GR-73132 Chania, Greece"],"affiliations":[{"raw_affiliation_string":"Space Geomatica P.C., Xanthoudidou 10A, GR-73132 Chania, Greece","institution_ids":["https://openalex.org/I4210108479"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113864238","display_name":"Achilles Tripolitsiotis","orcid":null},"institutions":[{"id":"https://openalex.org/I4210108479","display_name":"Space Hellas (Greece)","ror":"https://ror.org/01nx9mw61","country_code":"GR","type":"company","lineage":["https://openalex.org/I4210108479"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Achilles Tripolitsiotis","raw_affiliation_strings":["Space Geomatica P.C., Xanthoudidou 10A, GR-73132 Chania, Greece"],"affiliations":[{"raw_affiliation_string":"Space Geomatica P.C., Xanthoudidou 10A, GR-73132 Chania, Greece","institution_ids":["https://openalex.org/I4210108479"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056961239","display_name":"X. Frantzis","orcid":"https://orcid.org/0000-0002-2549-0566"},"institutions":[{"id":"https://openalex.org/I55741626","display_name":"Technical University of Crete","ror":"https://ror.org/03f8bz564","country_code":"GR","type":"education","lineage":["https://openalex.org/I55741626"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Xenophon Frantzis","raw_affiliation_strings":["Geodesy and Geomatics Engineering Laboratory, Technical University of Crete, GR-73100 Chania, Greece"],"affiliations":[{"raw_affiliation_string":"Geodesy and Geomatics Engineering Laboratory, Technical University of Crete, GR-73100 Chania, Greece","institution_ids":["https://openalex.org/I55741626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038232930","display_name":"I. N. Tziavos","orcid":"https://orcid.org/0000-0002-3797-8016"},"institutions":[{"id":"https://openalex.org/I21370196","display_name":"Aristotle University of Thessaloniki","ror":"https://ror.org/02j61yw88","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Ilias N. Tziavos","raw_affiliation_strings":["School of Geodesy and Surveying, Aristotle University of Thessaloniki, University Box 440, 54124 Thessaloniki, Greece"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Surveying, Aristotle University of Thessaloniki, University Box 440, 54124 Thessaloniki, Greece","institution_ids":["https://openalex.org/I21370196"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090703085","display_name":"Georgios S. Vergos","orcid":"https://orcid.org/0000-0003-2475-2568"},"institutions":[{"id":"https://openalex.org/I21370196","display_name":"Aristotle University of Thessaloniki","ror":"https://ror.org/02j61yw88","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"George Vergos","raw_affiliation_strings":["School of Geodesy and Surveying, Aristotle University of Thessaloniki, University Box 440, 54124 Thessaloniki, Greece"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Surveying, Aristotle University of Thessaloniki, University Box 440, 54124 Thessaloniki, Greece","institution_ids":["https://openalex.org/I21370196"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028269259","display_name":"Thierry Guinle","orcid":null},"institutions":[{"id":"https://openalex.org/I2799535048","display_name":"Centre National d'\u00c9tudes Spatiales","ror":"https://ror.org/04h1h0y33","country_code":"FR","type":"funder","lineage":["https://openalex.org/I2799535048"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Thierry Guinle","raw_affiliation_strings":["Centre National d\u2019 Etudes Spatiales (CNES), 31401 Toulouse CEDEX, France","Centre National d' Etudes Spatiales (CNES), 31401 Toulouse CEDEX, France"],"affiliations":[{"raw_affiliation_string":"Centre National d\u2019 Etudes Spatiales (CNES), 31401 Toulouse CEDEX, France","institution_ids":["https://openalex.org/I2799535048"]},{"raw_affiliation_string":"Centre National d' Etudes Spatiales (CNES), 31401 Toulouse CEDEX, France","institution_ids":["https://openalex.org/I2799535048"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5060458419"],"corresponding_institution_ids":["https://openalex.org/I55741626"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":4.6394,"has_fulltext":true,"cited_by_count":42,"citation_normalized_percentile":{"value":0.94461249,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"10","issue":"10","first_page":"1557","last_page":"1557"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T10255","display_name":"Oceanographic and Atmospheric Processes","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T10029","display_name":"Climate variability and models","score":0.9902999997138977,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/altimeter","display_name":"Altimeter","score":0.8993844985961914},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.7645477056503296},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6965284943580627},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6548944711685181},{"id":"https://openalex.org/keywords/satellite-altimetry","display_name":"Satellite altimetry","score":0.5694313645362854},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5540892481803894},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.45741885900497437},{"id":"https://openalex.org/keywords/tide-gauge","display_name":"Tide gauge","score":0.4535676836967468},{"id":"https://openalex.org/keywords/sea-level","display_name":"Sea level","score":0.3384208381175995},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.31955939531326294},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.14025619626045227},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.06519648432731628},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.06303098797798157}],"concepts":[{"id":"https://openalex.org/C17534553","wikidata":"https://www.wikidata.org/wiki/Q216197","display_name":"Altimeter","level":2,"score":0.8993844985961914},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7645477056503296},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6965284943580627},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6548944711685181},{"id":"https://openalex.org/C2989451103","wikidata":"https://www.wikidata.org/wiki/Q1928951","display_name":"Satellite altimetry","level":3,"score":0.5694313645362854},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5540892481803894},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.45741885900497437},{"id":"https://openalex.org/C136856113","wikidata":"https://www.wikidata.org/wiki/Q686697","display_name":"Tide gauge","level":3,"score":0.4535676836967468},{"id":"https://openalex.org/C74501621","wikidata":"https://www.wikidata.org/wiki/Q125465","display_name":"Sea level","level":2,"score":0.3384208381175995},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.31955939531326294},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.14025619626045227},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.06519648432731628},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.06303098797798157},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs10101557","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10101557","pdf_url":"https://www.mdpi.com/2072-4292/10/10/1557/pdf?version=1538108527","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:467982908a0d4a9d822fc13be40129f9","is_oa":true,"landing_page_url":"https://doaj.org/article/467982908a0d4a9d822fc13be40129f9","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 10, Iss 10, p 1557 (2018)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/10/10/1557/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs10101557","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 10; Issue 10; Pages: 1557","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs10101557","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10101557","pdf_url":"https://www.mdpi.com/2072-4292/10/10/1557/pdf?version=1538108527","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":[{"id":"https://metadata.un.org/sdg/14","score":0.4300000071525574,"display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G2466402506","display_name":null,"funder_award_id":"4000117101/16/I/BG","funder_id":"https://openalex.org/F4320318240","funder_display_name":"European Space Agency"},{"id":"https://openalex.org/G3514550006","display_name":null,"funder_award_id":"Centre","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320318240","display_name":"European Space Agency","ror":"https://ror.org/03wd9za21"},{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320324086","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2892624168.pdf","grobid_xml":"https://content.openalex.org/works/W2892624168.grobid-xml"},"referenced_works_count":44,"referenced_works":["https://openalex.org/W151548834","https://openalex.org/W573083841","https://openalex.org/W1480965154","https://openalex.org/W1811103428","https://openalex.org/W1985135679","https://openalex.org/W2003770914","https://openalex.org/W2004047620","https://openalex.org/W2008875053","https://openalex.org/W2009168352","https://openalex.org/W2012960812","https://openalex.org/W2019481248","https://openalex.org/W2021959819","https://openalex.org/W2027139000","https://openalex.org/W2029699225","https://openalex.org/W2044066650","https://openalex.org/W2047018904","https://openalex.org/W2049606198","https://openalex.org/W2051219749","https://openalex.org/W2056218351","https://openalex.org/W2058947207","https://openalex.org/W2060785829","https://openalex.org/W2065930088","https://openalex.org/W2071909801","https://openalex.org/W2073390246","https://openalex.org/W2074904672","https://openalex.org/W2085671464","https://openalex.org/W2094776444","https://openalex.org/W2100190569","https://openalex.org/W2116059514","https://openalex.org/W2127281483","https://openalex.org/W2150280378","https://openalex.org/W2162891874","https://openalex.org/W2165563805","https://openalex.org/W2187432880","https://openalex.org/W2464539154","https://openalex.org/W2520347932","https://openalex.org/W2917357147","https://openalex.org/W2923241990","https://openalex.org/W2973965329","https://openalex.org/W3127848785","https://openalex.org/W4248081507","https://openalex.org/W6657921704","https://openalex.org/W6768607673","https://openalex.org/W7071713168"],"related_works":["https://openalex.org/W3161304039","https://openalex.org/W4214702728","https://openalex.org/W4214531127","https://openalex.org/W4248358624","https://openalex.org/W2038438522","https://openalex.org/W3366301","https://openalex.org/W2790934709","https://openalex.org/W1974826950","https://openalex.org/W2139680942","https://openalex.org/W2276728475"],"abstract_inverted_index":{"Satellite":[0],"altimetry":[1],"provides":[2],"exceptional":[3],"means":[4],"for":[5,47,76,98,117,141,151,185,188],"absolute":[6],"and":[7,15,19,28,64,80,86,111,124,144,153,175],"undisputable":[8],"monitoring":[9,82],"of":[10,34,36,58,83,94,105,121,133,167],"changes":[11],"in":[12,101],"sea":[13],"level":[14],"inland":[16],"waters":[17],"(rivers":[18],"lakes),":[20],"over":[21],"regional":[22],"to":[23,31,43,66,138,191],"global":[24],"scales,":[25],"with":[26,29,54,108,130,136,169],"accuracy":[27],"respect":[30,137],"the":[32,37,70,74,84,92,95,118,131,157,160,165,181,193],"center":[33],"mass":[35],"Earth.":[38],"Altimetry":[39,99],"system\u2019s":[40],"responses":[41],"have":[42],"be":[44],"continuously":[45],"monitored":[46],"their":[48,177],"quality,":[49],"biases,":[50],"errors,":[51],"drifts,":[52],"etc.":[53],"calibration.":[55],"Absolute":[56],"calibration":[57,174,190],"altimeters":[59,155],"is":[60,73],"achieved":[61],"by":[62],"external":[63],"independent":[65],"satellite":[67],"facilities":[68],"on":[69,164],"ground.":[71],"This":[72,89],"mainstay":[75],"a":[77],"continuous,":[78],"homogenous,":[79],"reliable":[81],"earth":[85],"its":[87,109],"oceans.":[88],"paper":[90,182],"describes":[91],"development":[93],"Permanent":[96],"Facility":[97],"Calibration":[100,113,146],"Gavdos/Crete,":[102],"Greece,":[103],"as":[104],"2001":[106],"along":[107],"infrastructure":[110],"instrumentation.":[112],"results":[114,147],"are":[115,148],"presented":[116],"reference":[119,139],"missions":[120,140],"Jason-1,":[122],"Jason-2,":[123],"Jason-3.":[125],"Then,":[126],"this":[127],"work":[128],"continues":[129],"determination":[132],"relative":[134],"calibrations":[135],"Sentinel-3A,":[142],"HY-2A,":[143],"SARAL/AltiKa.":[145],"also":[149],"given":[150],"Jason-2":[152],"Jason-3":[154],"using":[156],"transponder":[158],"at":[159],"CDN1":[161],"Cal/Val":[162],"site":[163],"mountains":[166],"Crete,":[168],"simultaneous":[170],"comparisons":[171],"against":[172],"sea-surface":[173],"during":[176],"tandem":[178],"mission.":[179],"Finally,":[180],"presents":[183],"procedures":[184],"estimating":[186],"uncertainties":[187],"altimeter":[189],"meet":[192],"Fiducial":[194],"Reference":[195],"Measurement":[196],"standards.":[197]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1}],"updated_date":"2026-03-11T14:59:36.786465","created_date":"2025-10-10T00:00:00"}