{"id":"https://openalex.org/W2136013836","doi":"https://doi.org/10.1017/s0954102011000381","title":"Highly branched isoprenoids as proxies for variable sea ice conditions in the Southern Ocean","display_name":"Highly branched isoprenoids as proxies for variable sea ice conditions in the Southern Ocean","publication_year":2011,"publication_date":"2011-06-27","ids":{"openalex":"https://openalex.org/W2136013836","doi":"https://doi.org/10.1017/s0954102011000381","mag":"2136013836"},"language":"en","primary_location":{"id":"doi:10.1017/s0954102011000381","doi":"https://doi.org/10.1017/s0954102011000381","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0954102011000381","pdf_url":null,"source":{"id":"https://openalex.org/S939558408","display_name":"Antarctic Science","issn_l":"0954-1020","issn":["0954-1020","1365-2079"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Antarctic Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"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/A5113998611","display_name":"Guillaume Mass\u00e9","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210154188","display_name":"Laboratoire d'Oc\u00e9anographie et du Climat : Exp\u00e9rimentations et Approches Num\u00e9riques","ror":"https://ror.org/05j3atf73","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I2802818602","https://openalex.org/I39804081","https://openalex.org/I4210090127","https://openalex.org/I4210123595","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210154188","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"government","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I4405264447","display_name":"Universit\u00e9 Pierre-et-Marie-Curie","ror":"https://ror.org/01yvrd251","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081","https://openalex.org/I4405264447"]},{"id":"https://openalex.org/I897542642","display_name":"University of Plymouth","ror":"https://ror.org/008n7pv89","country_code":"GB","type":"education","lineage":["https://openalex.org/I897542642"]}],"countries":["FR","GB"],"is_corresponding":true,"raw_author_name":"Guillaume Mass\u00e9","raw_affiliation_strings":["Biogeochemistry Research Centre, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK","LOCEAN, UMR7159 CNRS/UPMC/IRD/MNHN, Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75252 Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biogeochemistry Research Centre, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK","institution_ids":["https://openalex.org/I897542642"]},{"raw_affiliation_string":"LOCEAN, UMR7159 CNRS/UPMC/IRD/MNHN, Universit\u00e9 Pierre et Marie Curie, 4 Place Jussieu, 75252 Paris, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210154188","https://openalex.org/I4210166444","https://openalex.org/I4405264447"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018916594","display_name":"Simon T. Belt","orcid":"https://orcid.org/0000-0002-1570-2924","observed_orcids":["https://orcid.org/0000-0002-1570-2924"]},"institutions":[{"id":"https://openalex.org/I897542642","display_name":"University of Plymouth","ror":"https://ror.org/008n7pv89","country_code":"GB","type":"education","lineage":["https://openalex.org/I897542642"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Simon T. Belt","raw_affiliation_strings":["Biogeochemistry Research Centre, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biogeochemistry Research Centre, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK","institution_ids":["https://openalex.org/I897542642"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050443224","display_name":"Xavier Crosta","orcid":"https://orcid.org/0000-0002-8005-9939","observed_orcids":["https://orcid.org/0000-0002-8005-9939"]},"institutions":[{"id":"https://openalex.org/I15057530","display_name":"Universit\u00e9 de Bordeaux","ror":"https://ror.org/057qpr032","country_code":"FR","type":"education","lineage":["https://openalex.org/I15057530"]},{"id":"https://openalex.org/I4210099840","display_name":"Environnements et Pal\u00e9oenvironnements Oc\u00e9aniques et Continentaux","ror":"https://ror.org/01tsa0x55","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I15057530","https://openalex.org/I4210088668","https://openalex.org/I4210099840","https://openalex.org/I4210134592","https://openalex.org/I4210148025","https://openalex.org/I4210160189","https://openalex.org/I78744979"]},{"id":"https://openalex.org/I4396570533","display_name":"Universit\u00e9 Bordeaux-I","ror":"https://ror.org/001anga17","country_code":"FR","type":"education","lineage":["https://openalex.org/I15057530","https://openalex.org/I4396570533"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Xavier Crosta","raw_affiliation_strings":["Environnement et Pal\u00e9oenvironnement Oc\u00e9aniques, UMR5805, Universit\u00e9 Bordeaux 1, Avenue des Facult\u00e9s, 33405 Talence Cedex, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Environnement et Pal\u00e9oenvironnement Oc\u00e9aniques, UMR5805, Universit\u00e9 Bordeaux 1, Avenue des Facult\u00e9s, 33405 Talence Cedex, France","institution_ids":["https://openalex.org/I15057530","https://openalex.org/I4210099840","https://openalex.org/I4396570533"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091269459","display_name":"Sabine Schmidt","orcid":"https://orcid.org/0000-0002-5985-9747","observed_orcids":["https://orcid.org/0000-0002-5985-9747"]},"institutions":[{"id":"https://openalex.org/I15057530","display_name":"Universit\u00e9 de Bordeaux","ror":"https://ror.org/057qpr032","country_code":"FR","type":"education","lineage":["https://openalex.org/I15057530"]},{"id":"https://openalex.org/I4210099840","display_name":"Environnements et Pal\u00e9oenvironnements Oc\u00e9aniques et Continentaux","ror":"https://ror.org/01tsa0x55","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I15057530","https://openalex.org/I4210088668","https://openalex.org/I4210099840","https://openalex.org/I4210134592","https://openalex.org/I4210148025","https://openalex.org/I4210160189","https://openalex.org/I78744979"]},{"id":"https://openalex.org/I4396570533","display_name":"Universit\u00e9 Bordeaux-I","ror":"https://ror.org/001anga17","country_code":"FR","type":"education","lineage":["https://openalex.org/I15057530","https://openalex.org/I4396570533"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Sabine Schmidt","raw_affiliation_strings":["Environnement et Pal\u00e9oenvironnement Oc\u00e9aniques, UMR5805, Universit\u00e9 Bordeaux 1, Avenue des Facult\u00e9s, 33405 Talence Cedex, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Environnement et Pal\u00e9oenvironnement Oc\u00e9aniques, UMR5805, Universit\u00e9 Bordeaux 1, Avenue des Facult\u00e9s, 33405 Talence Cedex, France","institution_ids":["https://openalex.org/I15057530","https://openalex.org/I4210099840","https://openalex.org/I4396570533"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070448570","display_name":"Ian Snape","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1330876588","display_name":"Australian Antarctic Division","ror":"https://ror.org/05e89k615","country_code":"AU","type":"government","lineage":["https://openalex.org/I1330876588"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Ian Snape","raw_affiliation_strings":["Australian Antarctic Division, Channel Highway, Kingston, TAS 7050, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Australian Antarctic Division, Channel Highway, Kingston, TAS 7050, Australia","institution_ids":["https://openalex.org/I1330876588"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052418584","display_name":"David N. Thomas","orcid":"https://orcid.org/0000-0001-8832-5907","observed_orcids":["https://orcid.org/0000-0001-8832-5907"]},"institutions":[{"id":"https://openalex.org/I161548249","display_name":"Bangor University","ror":"https://ror.org/006jb1a24","country_code":"GB","type":"education","lineage":["https://openalex.org/I161548249"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"David N. Thomas","raw_affiliation_strings":["School of Ocean Sciences, Bangor University, Menai Bridge, Anglesey LL59 5AB, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Ocean Sciences, Bangor University, Menai Bridge, Anglesey LL59 5AB, UK","institution_ids":["https://openalex.org/I161548249"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064394395","display_name":"Steven John Rowland","orcid":"https://orcid.org/0000-0003-4980-0618","observed_orcids":["https://orcid.org/0000-0003-4980-0618"]},"institutions":[{"id":"https://openalex.org/I897542642","display_name":"University of Plymouth","ror":"https://ror.org/008n7pv89","country_code":"GB","type":"education","lineage":["https://openalex.org/I897542642"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Steven J. Rowland","raw_affiliation_strings":["Biogeochemistry Research Centre, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biogeochemistry Research Centre, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK","institution_ids":["https://openalex.org/I897542642"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5113998611"],"corresponding_institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I4210154188","https://openalex.org/I4210166444","https://openalex.org/I4405264447","https://openalex.org/I897542642"],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":3.2862,"has_fulltext":false,"cited_by_count":109,"citation_normalized_percentile":{"value":0.91708689,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"23","issue":"5","first_page":"487","last_page":"498"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10017","display_name":"Geology and Paleoclimatology Research","score":0.8935999870300293,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/T10017","display_name":"Geology and Paleoclimatology Research","score":0.8935999870300293,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/T12180","display_name":"Polar Research and Ecology","score":0.042399998754262924,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10032","display_name":"Marine Plankton and Biogeochemistry","score":0.015300000086426735,"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/highly-branched-isoprenoids","display_name":"highly branched isoprenoids","score":0.9959999918937683},{"id":"https://openalex.org/keywords/sea-ice-proxy","display_name":"sea ice proxy","score":0.6970000267028809},{"id":"https://openalex.org/keywords/antarctic-sea-ice","display_name":"Antarctic sea ice","score":0.9120000004768372},{"id":"https://openalex.org/keywords/sea-ice-diatoms","display_name":"sea ice diatoms","score":0.8640000224113464},{"id":"https://openalex.org/keywords/carbon-isotopes","display_name":"carbon isotopes","score":0.652999997138977},{"id":"https://openalex.org/keywords/organic-matter-input","display_name":"organic matter input","score":0.414000004529953},{"id":"https://openalex.org/keywords/phytoplankton","display_name":"phytoplankton","score":0.8159999847412109},{"id":"https://openalex.org/keywords/sedimentary-organic-matter","display_name":"sediment organic matter","score":0.6899999976158142},{"id":"https://openalex.org/keywords/southern-ocean","display_name":"Southern Ocean","score":0.6980000138282776},{"id":"https://openalex.org/keywords/adelie-land","display_name":"Ad\u00e9lie Land","score":0.7870000004768372},{"id":"https://openalex.org/keywords/east-antarctica","display_name":"East Antarctica","score":0.6349999904632568}],"concepts":[{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.679593563079834},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.662064790725708},{"id":"https://openalex.org/C136894858","wikidata":"https://www.wikidata.org/wiki/Q213926","display_name":"Sea ice","level":2,"score":0.6147737503051758},{"id":"https://openalex.org/C2816523","wikidata":"https://www.wikidata.org/wiki/Q180184","display_name":"Sediment","level":2,"score":0.5999944806098938},{"id":"https://openalex.org/C2778733088","wikidata":"https://www.wikidata.org/wiki/Q192678","display_name":"Diene","level":3,"score":0.5397118330001831},{"id":"https://openalex.org/C518008717","wikidata":"https://www.wikidata.org/wiki/Q25322","display_name":"Arctic","level":2,"score":0.5288159847259521},{"id":"https://openalex.org/C48743137","wikidata":"https://www.wikidata.org/wiki/Q1783121","display_name":"Organic matter","level":2,"score":0.47463640570640564},{"id":"https://openalex.org/C2780173749","wikidata":"https://www.wikidata.org/wiki/Q7445310","display_name":"Sedimentary organic matter","level":3,"score":0.4460844397544861},{"id":"https://openalex.org/C156398188","wikidata":"https://www.wikidata.org/wiki/Q3278929","display_name":"\u03b413C","level":3,"score":0.435712993144989},{"id":"https://openalex.org/C161798024","wikidata":"https://www.wikidata.org/wiki/Q3651008","display_name":"Arctic ice pack","level":3,"score":0.43316733837127686},{"id":"https://openalex.org/C22117777","wikidata":"https://www.wikidata.org/wiki/Q17148629","display_name":"Stable isotope ratio","level":2,"score":0.18087926506996155},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.15065547823905945},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.14687517285346985},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.13014334440231323},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.08803534507751465},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C176933379","wikidata":"https://www.wikidata.org/wiki/Q131877","display_name":"Natural rubber","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1017/s0954102011000381","doi":"https://doi.org/10.1017/s0954102011000381","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0954102011000381","pdf_url":null,"source":{"id":"https://openalex.org/S939558408","display_name":"Antarctic Science","issn_l":"0954-1020","issn":["0954-1020","1365-2079"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Antarctic Science","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-02105653v1","doi":null,"is_oa":false,"landing_page_url":"https://hal.science/hal-02105653","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4405252976","host_organization_name":"Centre pour la Communication Scientifique Directe","host_organization_lineage":["https://openalex.org/I4405252976"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Antarctic Science, 2011, 23 (05), pp.487-498. ⟨10.1017/S0954102011000381⟩","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":1.0}],"study_designs":[],"awards":[{"id":"https://openalex.org/G1943950919","display_name":null,"funder_award_id":"lsmsf010001","funder_id":"https://openalex.org/F4320334631","funder_display_name":"Natural Environment Research Council"}],"funders":[{"id":"https://openalex.org/F4320334631","display_name":"Natural Environment Research Council","ror":"https://ror.org/02b5d8509"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W74813122","https://openalex.org/W564753712","https://openalex.org/W1527387532","https://openalex.org/W1652059687","https://openalex.org/W1676753599","https://openalex.org/W1681566086","https://openalex.org/W1967616059","https://openalex.org/W1976134456","https://openalex.org/W1976919944","https://openalex.org/W1985219735","https://openalex.org/W1992882416","https://openalex.org/W1997120413","https://openalex.org/W2002371676","https://openalex.org/W2004627580","https://openalex.org/W2007286046","https://openalex.org/W2012623757","https://openalex.org/W2015751643","https://openalex.org/W2027196563","https://openalex.org/W2051643744","https://openalex.org/W2053506269","https://openalex.org/W2061987076","https://openalex.org/W2063694932","https://openalex.org/W2073852661","https://openalex.org/W2079341590","https://openalex.org/W2081079648","https://openalex.org/W2082513665","https://openalex.org/W2083730305","https://openalex.org/W2087056583","https://openalex.org/W2103618263","https://openalex.org/W2109114975","https://openalex.org/W2116388103","https://openalex.org/W2127766481","https://openalex.org/W2135897121","https://openalex.org/W2144095328","https://openalex.org/W2161582705","https://openalex.org/W2167947753","https://openalex.org/W3190495186","https://openalex.org/W6644023039"],"related_works":["https://openalex.org/W2591847070","https://openalex.org/W2292873326","https://openalex.org/W2132835589","https://openalex.org/W2508802034","https://openalex.org/W2063694932","https://openalex.org/W3046812303","https://openalex.org/W2082172517","https://openalex.org/W2161582705","https://openalex.org/W2964877998","https://openalex.org/W2011059964"],"abstract_inverted_index":{"Abstract":[0],"Concentrations":[1],"of":[2,21,73,115,141,157,170,188,198,201,208,214],"a":[3,30,113,161,182],"highly":[4],"branched":[5],"isoprenoid":[6],"(HBI)":[7],"diene":[8,58,75,110,130,159,176],"determined":[9,76],"in":[10,46,63,77,101,146,160,177],"over":[11],"200":[12],"sediment":[13,120,148,162],"samples":[14,50,82,105,121,149],"from":[15,52,89,151,192],"the":[16,36,69,74,109,129,132,142,158,168,199,205],"Arctic":[17],"co-vary":[18],"with":[19,86],"those":[20],"an":[22,87],"HBI":[23,175],"monoene":[24,43],"(IP25)":[25],"shown":[26],"previously":[27,62],"to":[28,95,117,134,144,153,180,211,217],"be":[29,181],"sedimentary":[31],"sea":[32,48,65,80,90,193,209],"ice":[33,49,66,81,91,194,210],"proxy":[34,184],"for":[35,186],"Arctic.":[37],"The":[38,57],"same":[39],"diene,":[40],"but":[41,111],"not":[42,107],"IP25,":[44],"occurred":[45],"nine":[47],"collected":[51,122],"various":[53],"locations":[54],"around":[55],"Antarctica.":[56],"has":[59],"been":[60],"reported":[61],"Antarctic":[64,79,103,178,218],"diatoms":[67,92],"and":[68,131],"13C":[70,138,173],"isotopic":[71,139],"compositions":[72,140],"two":[78,102],"were":[83],"also":[84],"consistent":[85],"origin":[88],"(\u03b413C":[93],"-5.7":[94],"-8.5\u2030).":[96],"In":[97,119],"contrast,":[98],"HBIs":[99],"found":[100],"phytoplankton":[104],"did":[106],"include":[108],"comprised":[112],"number":[114],"tri-":[116,133,143],"pentaenes.":[118],"near":[123],"Ad\u00e9lie":[124],"Land,":[125],"East":[126],"Antarctica,":[127],"both":[128],"pentaenes":[135,145],"often":[136],"co-occurred.":[137],"three":[147],"ranged":[150],"-35":[152],"-42\u2030":[154],"whereas":[155],"that":[156],"sample":[163],"was":[164],"-18\u2030.":[165],"We":[166],"propose":[167],"presence":[169],"this":[171],"isotopically":[172],"enriched":[174],"sediments":[179],"useful":[183],"indicator":[185],"contributions":[187,207],"organic":[189,215],"matter":[190,216],"derived":[191],"diatoms.":[195],"A":[196],"ratio":[197],"concentrations":[200],"diene/trienes":[202],"might":[203],"reflect":[204],"relative":[206],"phytoplanktonic":[212],"inputs":[213],"sediments.":[219]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":13},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":7},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}