{"id":"https://openalex.org/W76216134","doi":null,"title":"Assessment of EGM2008 over Sri Lanka, an area where 'fill-in' data were used in EGM2008","display_name":"Assessment of EGM2008 over Sri Lanka, an area where 'fill-in' data were used in EGM2008","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W76216134","mag":"76216134"},"language":"en","primary_location":{"id":"pmh:oai:espace.curtin.edu.au:20.500.11937/3927","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/20.500.11937/3927","pdf_url":"https://curate.curtin.edu.au/articles/journal_contribution/Assessment_of_EGM2008_over_Sri_Lanka_an_area_where_fill-in_data_were_used_in_EGM2008/31468300/1/files/62354647.pdf","source":{"id":"https://openalex.org/S4306401790","display_name":"eSpace (Curtin University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205640436","host_organization_name":"Curtin University","host_organization_lineage":["https://openalex.org/I205640436"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://curate.curtin.edu.au/articles/journal_contribution/Assessment_of_EGM2008_over_Sri_Lanka_an_area_where_fill-in_data_were_used_in_EGM2008/31468300/1/files/62354647.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065467708","display_name":"P. G. V. Abeyratne","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"P. G. V. Abeyratne","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023075592","display_name":"Will E. Featherstone","orcid":"https://orcid.org/0000-0001-9644-4535","observed_orcids":["https://orcid.org/0000-0001-9644-4535"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"W. E. Featherstone","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-9644-4535","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5110590966","display_name":"D. A. Tantrigoda","orcid":"https://orcid.org/0000-0002-9046-1999","observed_orcids":["https://orcid.org/0000-0002-9046-1999"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"D. A. Tantrigoda","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9589,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.74336851,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"284","last_page":"316"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9994999766349792,"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/T10655","display_name":"GNSS positioning and interference","score":0.00019999999494757503,"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/T13885","display_name":"Geophysics and Sensor Technology","score":0.0,"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/egm2008","display_name":"EGM2008","score":0.9959999918937683},{"id":"https://openalex.org/keywords/gps-leveling","display_name":"GPS leveling","score":0.7979999780654907},{"id":"https://openalex.org/keywords/geoid","display_name":"geoid","score":0.5609999895095825},{"id":"https://openalex.org/keywords/gravity-anomalies","display_name":"gravity anomalies","score":0.6880000233650208},{"id":"https://openalex.org/keywords/bouguer-anomaly","display_name":"Bouguer anomaly","score":0.7829999923706055},{"id":"https://openalex.org/keywords/sri-lanka","display_name":"Sri Lanka","score":0.5740000009536743},{"id":"https://openalex.org/keywords/geoid-height","display_name":"geoid height","score":0.3889999985694885}],"concepts":[{"id":"https://openalex.org/C58754882","wikidata":"https://www.wikidata.org/wiki/Q1502887","display_name":"Geodetic datum","level":2,"score":0.8634172081947327},{"id":"https://openalex.org/C100260852","wikidata":"https://www.wikidata.org/wiki/Q961466","display_name":"Levelling","level":2,"score":0.8249862194061279},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.7760511636734009},{"id":"https://openalex.org/C22679943","wikidata":"https://www.wikidata.org/wiki/Q159375","display_name":"Standard deviation","level":2,"score":0.6086503863334656},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5939002633094788},{"id":"https://openalex.org/C80989030","wikidata":"https://www.wikidata.org/wiki/Q185969","display_name":"Geoid","level":3,"score":0.5788892507553101},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.5516133308410645},{"id":"https://openalex.org/C56859440","wikidata":"https://www.wikidata.org/wiki/Q749598","display_name":"Bouguer anomaly","level":4,"score":0.5209730267524719},{"id":"https://openalex.org/C96342900","wikidata":"https://www.wikidata.org/wiki/Q1413914","display_name":"Gravity anomaly","level":3,"score":0.49323171377182007},{"id":"https://openalex.org/C160121416","wikidata":"https://www.wikidata.org/wiki/Q1423347","display_name":"Geopotential","level":2,"score":0.4240031838417053},{"id":"https://openalex.org/C139974479","wikidata":"https://www.wikidata.org/wiki/Q499964","display_name":"Gravimeter","level":3,"score":0.411256343126297},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.156258225440979},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.09032779932022095},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08153116703033447},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07914784550666809},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C2776364302","wikidata":"https://www.wikidata.org/wiki/Q1845437","display_name":"Oil field","level":2,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C113346285","wikidata":"https://www.wikidata.org/wiki/Q6804193","display_name":"Measured depth","level":2,"score":0.0},{"id":"https://openalex.org/C30399818","wikidata":"https://www.wikidata.org/wiki/Q5048830","display_name":"Casing","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:espace.curtin.edu.au:20.500.11937/3927","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/20.500.11937/3927","pdf_url":"https://curate.curtin.edu.au/articles/journal_contribution/Assessment_of_EGM2008_over_Sri_Lanka_an_area_where_fill-in_data_were_used_in_EGM2008/31468300/1/files/62354647.pdf","source":{"id":"https://openalex.org/S4306401790","display_name":"eSpace (Curtin University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205640436","host_organization_name":"Curtin University","host_organization_lineage":["https://openalex.org/I205640436"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.589.1410","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.589.1410","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cage.curtin.edu.au/~will/EGM2008validation_SriLanka_revised.pdf","raw_type":"text"},{"id":"mag:76216134","doi":null,"is_oa":false,"landing_page_url":"http://www.iges.polimi.it/Newton/Newton_4/Report_AAA4_SriLanka.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:espace.curtin.edu.au:20.500.11937/3927","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/20.500.11937/3927","pdf_url":"https://curate.curtin.edu.au/articles/journal_contribution/Assessment_of_EGM2008_over_Sri_Lanka_an_area_where_fill-in_data_were_used_in_EGM2008/31468300/1/files/62354647.pdf","source":{"id":"https://openalex.org/S4306401790","display_name":"eSpace (Curtin University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205640436","host_organization_name":"Curtin University","host_organization_lineage":["https://openalex.org/I205640436"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320987","display_name":"Curtin University of Technology","ror":"https://ror.org/02n415q13"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W76216134.pdf","grobid_xml":"https://content.openalex.org/works/W76216134.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W61145352","https://openalex.org/W1966878029","https://openalex.org/W1987692533","https://openalex.org/W2013923435","https://openalex.org/W2018314772","https://openalex.org/W2023073459","https://openalex.org/W2081589175","https://openalex.org/W2082112062","https://openalex.org/W2095673763","https://openalex.org/W2125764859","https://openalex.org/W2166035506","https://openalex.org/W2333968169","https://openalex.org/W2910597300","https://openalex.org/W3187485216"],"related_works":["https://openalex.org/W7066763217","https://openalex.org/W4313417790","https://openalex.org/W4391377523","https://openalex.org/W4226068746","https://openalex.org/W1973700891","https://openalex.org/W2098135697","https://openalex.org/W2158230878","https://openalex.org/W11521611","https://openalex.org/W871950350","https://openalex.org/W2290369004"],"abstract_inverted_index":{"Abstract.":[0],"The":[1,121,143,195],"tide-free":[2],"EGM2008":[3,48,81,117,128,216],"combined":[4],"global":[5],"geopotential":[6],"model":[7],"is":[8,55,118,136,221],"compared":[9],"with":[10,67,177],"land":[11,146],"and":[12,16,20,80,116,127,180,186,204,225],"marine":[13],"gravity":[14,125,134,147,162,171,197],"observations":[15],"co-located":[17],"GPS-levelling":[18,79,114],"on":[19,138,164,173],"around":[21],"Sri":[22,53,88,112,132,144],"Lanka":[23,54],"(formerly":[24],"Ceylon).":[25],"Not":[26],"all":[27],"these":[28],"data":[29,135,198],"are":[30],"in":[31,47,57,95,230],"the":[32,42,61,78,87,96,104,108,124,131,139,213],"public":[33],"domain,":[34],"so":[35],"offer":[36],"an":[37,58,84,222],"informative":[38],"test":[39],"of":[40,101,107,151,156,209,215],"how":[41],"\u2018fill-in":[43],"\u2019":[44],"methodology":[45],"used":[46],"performs":[49],"versus":[50],"observed":[51],"data.":[52],"also":[56],"area":[59],"where":[60],"geoid":[62],"exhibits":[63],"its":[64,228],"lowest":[65],"elevation":[66],"respect":[68],"to":[69,83,217,227,233],"a":[70,93,191,206],"geocentric":[71],"reference":[72],"ellipsoid.":[73],"A-1.75":[74],"m":[75],"bias":[76,94],"between":[77,110,123],"led":[82],"investigation":[85],"into":[86],"Lankan":[89,113,133,145],"geodetic":[90],"da-tums,":[91],"showing":[92],"ellipsoidal":[97],"heights.":[98],"After":[99],"rejection":[100,150],"15":[102],"outliers,":[103,152],"standard":[105,154,207],"deviation":[106,208],"difference":[109,122],"207":[111],"points":[115,163,172],"\u00b10.184":[119],"m.":[120],"anomalies":[126,189],"showed":[129],"that":[130],"based":[137],"old":[140],"Potsdam":[141],"datum.":[142],"data,":[148],"after":[149],"yielded":[153],"deviations":[155],"\u00b16.743":[157],"mGal":[158,168,182],"for":[159,169,183,235],"20":[160],"GPS-coordinated":[161],"fundamental":[165,174],"benchmarks,":[166],"\u00b114.704":[167],"42":[170],"benchmarks":[175],"but":[176],"coarse":[178],"loca-tions,":[179],"\u00b16.367":[181],"1032":[184],"digitised":[185],"reconstructed":[187],"free-air":[188],"from":[190],"Bouguer":[192],"anomaly":[193],"map.":[194],"ship-track":[196],"have":[199],"not":[200],"been":[201],"crossover":[202],"adjusted,":[203],"yield":[205],"\u00b143.683":[210],"mGal.":[211],"Importantly,":[212],"ability":[214],"identify":[218],"datum":[219,236],"deficiencies":[220],"implicit":[223],"validation":[224],"leads":[226],"ap-plication":[229],"other":[231],"areas":[232],"search":[234],"deficiencies.":[237],"1.":[238]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2016-06-24T00:00:00"}