{"id":"https://openalex.org/W4387458462","doi":"https://doi.org/10.3390/rs15194870","title":"Application of Sparse Regularization in Spherical Radial Basis Functions-Based Regional Geoid Modeling in Colorado","display_name":"Application of Sparse Regularization in Spherical Radial Basis Functions-Based Regional Geoid Modeling in Colorado","publication_year":2023,"publication_date":"2023-10-08","ids":{"openalex":"https://openalex.org/W4387458462","doi":"https://doi.org/10.3390/rs15194870"},"language":"en","primary_location":{"id":"doi:10.3390/rs15194870","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15194870","pdf_url":"https://www.mdpi.com/2072-4292/15/19/4870/pdf?version=1696755319","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/2072-4292/15/19/4870/pdf?version=1696755319","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5029883146","display_name":"Haipeng Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haipeng Yu","raw_affiliation_strings":["Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]},{"raw_affiliation_string":"School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079493965","display_name":"Guobin Chang","orcid":"https://orcid.org/0000-0001-6392-3265"},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Guobin Chang","raw_affiliation_strings":["Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]},{"raw_affiliation_string":"School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035478113","display_name":"Shubi Zhang","orcid":"https://orcid.org/0000-0002-5555-7688"},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shubi Zhang","raw_affiliation_strings":["Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]},{"raw_affiliation_string":"School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100296363","display_name":"Yuhua Zhu","orcid":"https://orcid.org/0009-0005-8099-1530"},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuhua Zhu","raw_affiliation_strings":["Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]},{"raw_affiliation_string":"School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022663866","display_name":"Yajie Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yajie Yu","raw_affiliation_strings":["Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Land Environment and Disaster Monitoring, MNR, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]},{"raw_affiliation_string":"School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China","institution_ids":["https://openalex.org/I25757504"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5079493965"],"corresponding_institution_ids":["https://openalex.org/I25757504"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":1.8602,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.84696033,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"15","issue":"19","first_page":"4870","last_page":"4870"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9998999834060669,"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":0.9998999834060669,"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/T10572","display_name":"Geophysical and Geoelectrical Methods","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.989799976348877,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/tikhonov-regularization","display_name":"Tikhonov regularization","score":0.703120231628418},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.6338625550270081},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.4894382059574127},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42647042870521545},{"id":"https://openalex.org/keywords/gravitational-field","display_name":"Gravitational field","score":0.4242270290851593},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41902586817741394},{"id":"https://openalex.org/keywords/basis-function","display_name":"Basis function","score":0.41427135467529297},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3941178321838379},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3531630337238312},{"id":"https://openalex.org/keywords/inverse-problem","display_name":"Inverse problem","score":0.29960888624191284},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1640433967113495},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.14333435893058777},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.0932391881942749}],"concepts":[{"id":"https://openalex.org/C152442038","wikidata":"https://www.wikidata.org/wiki/Q2778212","display_name":"Tikhonov regularization","level":3,"score":0.703120231628418},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.6338625550270081},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4894382059574127},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42647042870521545},{"id":"https://openalex.org/C14257148","wikidata":"https://www.wikidata.org/wiki/Q558066","display_name":"Gravitational field","level":2,"score":0.4242270290851593},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41902586817741394},{"id":"https://openalex.org/C5917680","wikidata":"https://www.wikidata.org/wiki/Q2621825","display_name":"Basis function","level":2,"score":0.41427135467529297},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3941178321838379},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3531630337238312},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.29960888624191284},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1640433967113495},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.14333435893058777},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0932391881942749},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/rs15194870","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15194870","pdf_url":"https://www.mdpi.com/2072-4292/15/19/4870/pdf?version=1696755319","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:9ceb1b0131004d6e882c783068cc3cac","is_oa":true,"landing_page_url":"https://doaj.org/article/9ceb1b0131004d6e882c783068cc3cac","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 15, Iss 19, p 4870 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs15194870","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs15194870","pdf_url":"https://www.mdpi.com/2072-4292/15/19/4870/pdf?version=1696755319","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":[{"id":"https://openalex.org/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1331489046","display_name":null,"funder_award_id":"2022WLKXJ110","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3085993365","display_name":null,"funder_award_id":"(Grant No.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5212754665","display_name":null,"funder_award_id":"KYCX22_2593","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5604365522","display_name":null,"funder_award_id":"42271460","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5939423041","display_name":null,"funder_award_id":"Technology","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7726157001","display_name":null,"funder_award_id":"Grant No.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7868320787","display_name":null,"funder_award_id":"42074001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321605","display_name":"Government of Jiangsu Province","ror":"https://ror.org/004svx814"},{"id":"https://openalex.org/F4320323154","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4387458462.pdf"},"referenced_works_count":74,"referenced_works":["https://openalex.org/W141191520","https://openalex.org/W1523985187","https://openalex.org/W1547669723","https://openalex.org/W1555600269","https://openalex.org/W1935531190","https://openalex.org/W1966142034","https://openalex.org/W1968735445","https://openalex.org/W1983794113","https://openalex.org/W1995691260","https://openalex.org/W2002325965","https://openalex.org/W2007349394","https://openalex.org/W2014619115","https://openalex.org/W2022751314","https://openalex.org/W2023102433","https://openalex.org/W2024824031","https://openalex.org/W2028477434","https://openalex.org/W2045111375","https://openalex.org/W2046193047","https://openalex.org/W2056479308","https://openalex.org/W2073207286","https://openalex.org/W2074682976","https://openalex.org/W2075894130","https://openalex.org/W2100556411","https://openalex.org/W2119667497","https://openalex.org/W2119883478","https://openalex.org/W2122489171","https://openalex.org/W2123355608","https://openalex.org/W2125351010","https://openalex.org/W2126607811","https://openalex.org/W2127525487","https://openalex.org/W2135046866","https://openalex.org/W2142058616","https://openalex.org/W2145096794","https://openalex.org/W2146842127","https://openalex.org/W2162962051","https://openalex.org/W2174500299","https://openalex.org/W2176784405","https://openalex.org/W2343565199","https://openalex.org/W2508962325","https://openalex.org/W2510093788","https://openalex.org/W2747721771","https://openalex.org/W2762071050","https://openalex.org/W2765827375","https://openalex.org/W2769422715","https://openalex.org/W2789617086","https://openalex.org/W2894766593","https://openalex.org/W2903340820","https://openalex.org/W2909623457","https://openalex.org/W2921833674","https://openalex.org/W2972175553","https://openalex.org/W2993909007","https://openalex.org/W3014647688","https://openalex.org/W3019632179","https://openalex.org/W3022903251","https://openalex.org/W3027310596","https://openalex.org/W3047041042","https://openalex.org/W3092343911","https://openalex.org/W3110657929","https://openalex.org/W3123714093","https://openalex.org/W3148864358","https://openalex.org/W3210899815","https://openalex.org/W4234985135","https://openalex.org/W4239705526","https://openalex.org/W4250955649","https://openalex.org/W4255340434","https://openalex.org/W4282588922","https://openalex.org/W4292363360","https://openalex.org/W4388321579","https://openalex.org/W6651922034","https://openalex.org/W6656456651","https://openalex.org/W6733692256","https://openalex.org/W6982630310","https://openalex.org/W7006450993","https://openalex.org/W7052218408"],"related_works":["https://openalex.org/W2337734184","https://openalex.org/W2388364587","https://openalex.org/W2322955667","https://openalex.org/W2373176546","https://openalex.org/W2127000180","https://openalex.org/W2050033254","https://openalex.org/W2561531189","https://openalex.org/W2152224705","https://openalex.org/W2385735574","https://openalex.org/W2057439054"],"abstract_inverted_index":{"Spherical":[0],"radial":[1],"basis":[2,26,201],"function":[3],"(SRBF)":[4],"is":[5,77,121,229],"an":[6],"effective":[7],"method":[8],"for":[9,94,123],"calculating":[10],"regional":[11,42,171,242],"gravity":[12,16,43,243,247],"field":[13,17,44,244],"models.":[14,31],"Calculating":[15],"models":[18],"with":[19,80],"high":[20,125],"accuracy":[21],"and":[22],"resolution":[23],"requires":[24],"dense":[25],"functions,":[27],"resulting":[28],"in":[29,40,60,70,154,187,203,245],"complex":[30],"This":[32,228],"study":[33,189,232],"investigated":[34],"the":[35,51,61,72,84,96,101,109,114,133,142,151,155,167,184,198,204,212,220,230,235,241],"application":[36],"of":[37,83,103,108,150,174,200,211,240],"sparse":[38,89,156],"regularization":[39,69,128,144],"SRBFs-based":[41,238],"modeling.":[45],"L1-norm":[46,143],"regularization,":[47],"also":[48],"known":[49,122],"as":[50],"least":[52],"absolute":[53],"shrinkage":[54,117],"selection":[55],"operator":[56],"(LASSO),":[57],"was":[58,111,130,138,158,177,207],"employed":[59],"parameter":[62,129],"estimation":[63],"procedure.":[64],"LASSO":[65,76,110,185,221,236],"differs":[66],"from":[67,161],"L2-norm":[68],"that":[71,183],"solution":[73,157,222],"obtained":[74],"by":[75,99],"sparse,":[78],"specifically":[79,139],"a":[81,162,170,224],"portion":[82],"parameters":[85,153],"being":[86],"zero.":[87],"A":[88],"model":[90,173,206,218],"would":[91],"be":[92],"advantageous":[93],"improving":[95],"numerical":[97,180],"efficiency":[98],"reducing":[100,217],"number":[102,199],"SRBFs.":[104],"The":[105,127,179],"optimization":[106],"problem":[107],"solved":[112],"using":[113,132],"fast":[115],"iterative":[116],"threshold":[118],"algorithm,":[119],"which":[120],"its":[124],"efficiency.":[126],"selected":[131],"Akaike":[134],"information":[135],"criterion.":[136],"It":[137],"tailored":[140],"to":[141,194,233,237],"problem.":[145],"An":[146],"approximate":[147],"covariance":[148],"matrix":[149],"estimated":[152],"analytically":[159],"constructed":[160],"Bayesian":[163],"viewpoint.":[164],"Based":[165],"on":[166],"remove\u2013compute\u2013restore":[168],"technique,":[169],"geoid":[172],"Colorado":[175],"(USA)":[176],"calculated.":[178],"results":[181,192],"suggest":[182],"adopted":[186],"this":[188],"provided":[190],"competitive":[191],"compared":[193],"Tikhonov":[195,213],"regularization;":[196],"however,":[197],"functions":[202],"final":[205],"less":[208],"than":[209],"25%":[210],"regularization.":[214],"Without":[215],"significantly":[216],"accuracy,":[219],"provides":[223],"very":[225],"simple":[226],"model.":[227],"first":[231],"apply":[234],"modeling":[239],"real":[246],"observation":[248],"data.":[249]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":5}],"updated_date":"2026-04-19T08:26:33.389920","created_date":"2025-10-10T00:00:00"}
