{"id":"https://openalex.org/W4385757440","doi":"https://doi.org/10.1109/tgrs.2023.3304321","title":"Robust Algorithm Based on the Reflectance Curvature for Estimating Particulate Organic Carbon and its Spatiotemporal Variability in the Global Ocean","display_name":"Robust Algorithm Based on the Reflectance Curvature for Estimating Particulate Organic Carbon and its Spatiotemporal Variability in the Global Ocean","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4385757440","doi":"https://doi.org/10.1109/tgrs.2023.3304321"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2023.3304321","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2023.3304321","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"type":"article","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/A5022645408","display_name":"Kande Vamsi Krishna","orcid":"https://orcid.org/0000-0002-5566-7190"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Kande Vamsi Krishna","raw_affiliation_strings":["Department of Ocean Engineering, IIT Madras, Chennai, India"],"raw_orcid":"https://orcid.org/0000-0002-5566-7190","affiliations":[{"raw_affiliation_string":"Department of Ocean Engineering, IIT Madras, Chennai, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000075828","display_name":"Palanisamy Shanmugam","orcid":"https://orcid.org/0000-0002-5659-4464"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Palanisamy Shanmugam","raw_affiliation_strings":["Department of Ocean Engineering, IIT Madras, Chennai, India"],"raw_orcid":"https://orcid.org/0000-0002-5659-4464","affiliations":[{"raw_affiliation_string":"Department of Ocean Engineering, IIT Madras, Chennai, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007396324","display_name":"Ranjit Kumar Sarangi","orcid":"https://orcid.org/0000-0002-7515-5168"},"institutions":[{"id":"https://openalex.org/I1289461252","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71","country_code":"IN","type":"government","lineage":["https://openalex.org/I1289461252","https://openalex.org/I3148377317"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Ranjit Kumar Sarangi","raw_affiliation_strings":["Marine Ecosystem Division, Space Applications Centre (ISRO), Ahmedabad, India"],"raw_orcid":"https://orcid.org/0000-0002-7515-5168","affiliations":[{"raw_affiliation_string":"Marine Ecosystem Division, Space Applications Centre (ISRO), Ahmedabad, India","institution_ids":["https://openalex.org/I1289461252"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5022645408"],"corresponding_institution_ids":["https://openalex.org/I24676775"],"apc_list":null,"apc_paid":null,"fwci":1.0549,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.76376321,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"61","issue":null,"first_page":"1","last_page":"16"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10032","display_name":"Marine and coastal ecosystems","score":0.9987000226974487,"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/T10032","display_name":"Marine and coastal ecosystems","score":0.9987000226974487,"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":0.9785000085830688,"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/T12806","display_name":"Ocean Acidification Effects and Responses","score":0.9616000056266785,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7064889073371887},{"id":"https://openalex.org/keywords/carbon-cycle","display_name":"Carbon cycle","score":0.6781140565872192},{"id":"https://openalex.org/keywords/ocean-color","display_name":"Ocean color","score":0.6637306809425354},{"id":"https://openalex.org/keywords/biogeochemical-cycle","display_name":"Biogeochemical cycle","score":0.6046615839004517},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5518237352371216},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4873441159725189},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4695844054222107},{"id":"https://openalex.org/keywords/arctic","display_name":"Arctic","score":0.4499056935310364},{"id":"https://openalex.org/keywords/phytoplankton","display_name":"Phytoplankton","score":0.44415295124053955},{"id":"https://openalex.org/keywords/particulate-organic-carbon","display_name":"Particulate organic carbon","score":0.43742990493774414},{"id":"https://openalex.org/keywords/primary-production","display_name":"Primary production","score":0.4215020537376404},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.389125257730484},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.2756412625312805},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2352706789970398},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.13348388671875},{"id":"https://openalex.org/keywords/nutrient","display_name":"Nutrient","score":0.0980505645275116}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7064889073371887},{"id":"https://openalex.org/C6939412","wikidata":"https://www.wikidata.org/wiki/Q167751","display_name":"Carbon cycle","level":3,"score":0.6781140565872192},{"id":"https://openalex.org/C2776939893","wikidata":"https://www.wikidata.org/wiki/Q7076134","display_name":"Ocean color","level":3,"score":0.6637306809425354},{"id":"https://openalex.org/C71915725","wikidata":"https://www.wikidata.org/wiki/Q846303","display_name":"Biogeochemical cycle","level":2,"score":0.6046615839004517},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5518237352371216},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4873441159725189},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4695844054222107},{"id":"https://openalex.org/C518008717","wikidata":"https://www.wikidata.org/wiki/Q25322","display_name":"Arctic","level":2,"score":0.4499056935310364},{"id":"https://openalex.org/C2780892065","wikidata":"https://www.wikidata.org/wiki/Q184755","display_name":"Phytoplankton","level":3,"score":0.44415295124053955},{"id":"https://openalex.org/C2993636123","wikidata":"https://www.wikidata.org/wiki/Q22093455","display_name":"Particulate organic carbon","level":4,"score":0.43742990493774414},{"id":"https://openalex.org/C24717449","wikidata":"https://www.wikidata.org/wiki/Q515905","display_name":"Primary production","level":3,"score":0.4215020537376404},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.389125257730484},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.2756412625312805},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2352706789970398},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.13348388671875},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.0980505645275116},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2023.3304321","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2023.3304321","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8399999737739563,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G6721542473","display_name":null,"funder_award_id":"SP/20-21/0326/OE/SACX/008336","funder_id":"https://openalex.org/F4320320722","funder_display_name":"Indian Space Research Organisation"}],"funders":[{"id":"https://openalex.org/F4320320722","display_name":"Indian Space Research Organisation","ror":"https://ror.org/00cwrns71"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W90250624","https://openalex.org/W1966423932","https://openalex.org/W1978363477","https://openalex.org/W1982108804","https://openalex.org/W1987458150","https://openalex.org/W2003966758","https://openalex.org/W2023242926","https://openalex.org/W2023534137","https://openalex.org/W2038748126","https://openalex.org/W2046092153","https://openalex.org/W2050659602","https://openalex.org/W2053022429","https://openalex.org/W2066178281","https://openalex.org/W2074552452","https://openalex.org/W2094643873","https://openalex.org/W2108084128","https://openalex.org/W2127721506","https://openalex.org/W2130414761","https://openalex.org/W2155005486","https://openalex.org/W2302189885","https://openalex.org/W2336247563","https://openalex.org/W2342883139","https://openalex.org/W2512227809","https://openalex.org/W2563175859","https://openalex.org/W2570734812","https://openalex.org/W2624428871","https://openalex.org/W2743409925","https://openalex.org/W2768394692","https://openalex.org/W2891153055","https://openalex.org/W2940603821","https://openalex.org/W2961025102","https://openalex.org/W2981336895","https://openalex.org/W2994274488","https://openalex.org/W3127443316","https://openalex.org/W4200130165","https://openalex.org/W4313459920","https://openalex.org/W4317521297","https://openalex.org/W4391286451","https://openalex.org/W4403806930"],"related_works":["https://openalex.org/W2393069878","https://openalex.org/W3216146562","https://openalex.org/W2472181478","https://openalex.org/W2038032842","https://openalex.org/W1559304029","https://openalex.org/W2765525361","https://openalex.org/W190712004","https://openalex.org/W2487311846","https://openalex.org/W2560777301","https://openalex.org/W2373257146"],"abstract_inverted_index":{"Estimation":[0],"of":[1,11,35,47,71,95,170,177,183],"particulate":[2],"organic":[3],"carbon":[4,13,30],"(POC)":[5],"is":[6],"essential":[7],"for":[8,74],"the":[9,16,19,33,65,75,98,108,123,137,148,154,159,198,213,229,236,241],"studies":[10],"biological":[12,89],"export":[14],"from":[15,53],"surface":[17],"to":[18,191,196,235],"deep-ocean,":[20],"carbon-based":[21],"net":[22],"primary":[23],"production,":[24,90],"phytoplankton":[25],"growth":[26],"rate":[27],"and":[28,37,49,68,82,92,101,103,127,132,134,143,179,201,223],"global":[29,38,124,149,207,237],"cycle.":[31],"Despite":[32],"number":[34],"regional":[36],"algorithms":[39,139],"reported":[40],"in":[41,147,203,205,225,228,233],"earlier":[42],"studies,":[43],"an":[44],"accurate":[45],"estimation":[46],"POC":[48,96,104,126,145,155,204,226],"its":[50],"spatiotemporal":[51,199],"variability":[52],"satellite":[54,194],"ocean":[55,77,99],"colour":[56],"data":[57,73,131,146,195],"are":[58],"often":[59],"hampered":[60],"by":[61,158],"biases":[62],"associated":[63,78],"with":[64,79,136,165],"algorithm":[66,120,161],"parameterizations":[67],"a":[69,113,166,172,180,220],"lack":[70],"in-situ":[72,125,142],"coastal":[76],"complex":[80],"physical":[81,87],"biogeochemical":[83],"processes":[84],"(such":[85],"as":[86,210,212],"mixing,":[88],"horizontal":[91],"vertical":[93],"transport":[94],"through":[97],"currents":[100],"circulations,":[102],"sinking":[105],"fluxes).":[106],"In":[107,152],"present":[109],"study,":[110],"we":[111],"developed":[112],"simple":[114],"maximum":[115],"band":[116],"ratio":[117],"index":[118],"(MBRI)":[119],"based":[121],"on":[122],"remote":[128],"sensing":[129],"reflectance":[130],"validated":[133],"inter-compared":[135],"existing":[138],"using":[140],"independent":[141],"MODIS-Aqua":[144],"oceanic":[150,208],"waters.":[151],"general,":[153],"products":[156],"estimated":[157],"MBRI":[160,186],"have":[162],"greater":[163],"accuracy":[164],"mean":[167,174],"relative":[168],"error":[169,176],"0.218,":[171],"root":[173],"square":[175],"34.07,":[178],"correlation":[181],"coefficient":[182],"0.88.":[184],"The":[185],"approach":[187],"was":[188],"further":[189],"applied":[190],"time":[192],"series":[193],"analyze":[197],"variations":[200],"trends":[202],"regional/":[206],"waters":[209],"well":[211],"Arctic":[214,230],"Ocean":[215,231],"region.":[216],"This":[217],"study":[218],"highlighted":[219],"substantial":[221],"change":[222,238],"increase":[224],"fields":[227],"region":[232],"response":[234],"scenarios":[239],"over":[240],"recent":[242],"decades.":[243]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2026-04-26T08:31:28.666265","created_date":"2025-10-10T00:00:00"}
