{"id":"https://openalex.org/W218927062","doi":null,"title":"Coupled marine productivity and salinity and West African monsoon variability over the last 30,000 years in the eastern equatorial Atlantic Ocean","display_name":"Coupled marine productivity and salinity and West African monsoon variability over the last 30,000 years in the eastern equatorial Atlantic Ocean","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W218927062","mag":"218927062"},"language":"en","primary_location":{"id":"mag:218927062","doi":null,"is_oa":false,"landing_page_url":"http://meetingorganizer.copernicus.org/EGU2009/EGU2009-5793.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306508950","display_name":"EGUGA","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"EGUGA","raw_type":null},"volume":null,"type":"conference-abstract","is_traditional":false,"indexed_in":[],"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/A5012244079","display_name":"Fabienne Marret","orcid":"https://orcid.org/0000-0003-4244-0437","observed_orcids":["https://orcid.org/0000-0003-4244-0437"]},"institutions":[{"id":"https://openalex.org/I146655781","display_name":"University of Liverpool","ror":"https://ror.org/04xs57h96","country_code":"GB","type":"education","lineage":["https://openalex.org/I146655781"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Fabienne Marret","raw_affiliation_strings":["#N##TAB##TAB##TAB##TAB# University of Liverpool#N##TAB##TAB##TAB#"],"raw_orcid":"https://orcid.org/0000-0003-4244-0437","affiliations":[{"raw_affiliation_string":"#N##TAB##TAB##TAB##TAB# University of Liverpool#N##TAB##TAB##TAB#","institution_ids":["https://openalex.org/I146655781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037831460","display_name":"S. Y. Kim","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. Y. Kim","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057701328","display_name":"James  David Scourse","orcid":"https://orcid.org/0000-0003-2658-8730","observed_orcids":["https://orcid.org/0000-0003-2658-8730"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"James Scourse","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-2658-8730","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5078745340","display_name":"Hilary Kennedy","orcid":"https://orcid.org/0000-0003-2290-2120","observed_orcids":["https://orcid.org/0000-0003-2290-2120"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"H. Kennedy","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"5793","last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10017","display_name":"Geology and Paleoclimatology Research","score":0.9951000213623047,"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":0.9951000213623047,"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/T14047","display_name":"Marine and environmental studies","score":0.003000000026077032,"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/T10965","display_name":"Geological formations and processes","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"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/west-african-monsoon","display_name":"West African monsoon","score":0.8690000176429749},{"id":"https://openalex.org/keywords/ocean-primary-productivity","display_name":"ocean primary productivity","score":0.7409999966621399},{"id":"https://openalex.org/keywords/salinity","display_name":"salinity","score":0.8769999742507935},{"id":"https://openalex.org/keywords/holocene-climate-variability","display_name":"Holocene climate variability","score":0.718999981880188},{"id":"https://openalex.org/keywords/paleoclimate","display_name":"paleoclimate","score":0.6209999918937683},{"id":"https://openalex.org/keywords/dinoflagellate-cysts","display_name":"dinoflagellate cysts","score":0.8349999785423279},{"id":"https://openalex.org/keywords/pollen","display_name":"pollen","score":0.597000002861023},{"id":"https://openalex.org/keywords/savannah-expansion","display_name":"savannah expansion","score":0.8450000286102295},{"id":"https://openalex.org/keywords/intertropical-convergence-zone","display_name":"Intertropical Convergence Zone","score":0.9129999876022339},{"id":"https://openalex.org/keywords/savanna-fires","display_name":"savanna burning","score":0.9079999923706055},{"id":"https://openalex.org/keywords/soil-erosion","display_name":"soil erosion","score":0.699999988079071},{"id":"https://openalex.org/keywords/terrigenous-material","display_name":"terrigenous material","score":0.753000020980835},{"id":"https://openalex.org/keywords/eastern-equatorial-atlantic","display_name":"eastern equatorial Atlantic","score":0.5849999785423279},{"id":"https://openalex.org/keywords/last-glacial-interglacial-transition","display_name":"last glacial-interglacial transition","score":0.5590000152587891}],"concepts":[{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.5764245986938477},{"id":"https://openalex.org/C2619416","wikidata":"https://www.wikidata.org/wiki/Q9444","display_name":"Rainforest","level":2,"score":0.575300931930542},{"id":"https://openalex.org/C136996986","wikidata":"https://www.wikidata.org/wiki/Q42967","display_name":"Monsoon","level":2,"score":0.5581555366516113},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5272737145423889},{"id":"https://openalex.org/C199285206","wikidata":"https://www.wikidata.org/wiki/Q749602","display_name":"Terrigenous sediment","level":3,"score":0.5152061581611633},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.4536154270172119},{"id":"https://openalex.org/C100970517","wikidata":"https://www.wikidata.org/wiki/Q52107","display_name":"Physical geography","level":1,"score":0.421043336391449},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3220210671424866},{"id":"https://openalex.org/C2816523","wikidata":"https://www.wikidata.org/wiki/Q180184","display_name":"Sediment","level":2,"score":0.24342212080955505},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.21373134851455688},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.18721362948417664},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:218927062","doi":null,"is_oa":false,"landing_page_url":"http://meetingorganizer.copernicus.org/EGU2009/EGU2009-5793.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306508950","display_name":"EGUGA","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"EGUGA","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life on land","id":"https://metadata.un.org/sdg/15","score":0.7605999708175659},{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.685699999332428},{"display_name":"Life below water","id":"https://metadata.un.org/sdg/14","score":0.5769000053405762}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W2088683440"],"related_works":["https://openalex.org/W1989180802","https://openalex.org/W7140353921","https://openalex.org/W7067221337","https://openalex.org/W4221033590","https://openalex.org/W7066646638","https://openalex.org/W2039472466","https://openalex.org/W4399310998","https://openalex.org/W2539027196","https://openalex.org/W7123347458","https://openalex.org/W2240761982"],"abstract_inverted_index":{"Marine":[0],"cores":[1,74,152,177],"collected":[2],"off":[3,166,169],"west":[4],"equatorial":[5,86,237],"Africa":[6,239],"have":[7,18,75,188,364],"highlighted":[8],"transfer":[9,551],"of":[10,34,56,72,79,90,110,116,126,230,243,273,293,303,324,373,389,405,412,430,446,464,490,495,498,508,546,562,581],"terrigenous":[11,131],"material":[12,132],"in":[13,81,113,215,249,265,290,422,525],"the":[14,24,28,35,54,59,65,77,124,137,147,216,219,223,241,244,255,259,274,291,294,301,304,351,367,371,403,413,419,423,428,431,436,444,488,506,518,526,544,558,563,568,576],"close":[15,220],"ocean":[16],"that":[17],"had":[19,61,468],"a":[20,114,143,156,179,469,589],"deep":[21],"influence":[22,145],"on":[23,58,64,146,183,218,418,472],"marine":[25,73,139,148,151,447,519],"productivity":[26,207,571],"for":[27,172,198,222,566],"last":[29,224],"30,000":[30,225],"years.":[31],"The":[32,387,462],"strength":[33],"West":[36],"African":[37],"Monsoon":[38],"has":[39,142],"varied":[40],"though":[41],"time,":[42],"from":[43,84,155,160,233,236,337,381,530,550],"weak":[44,360],"during":[45,50,108,254,366],"glacial":[46],"periods":[47,109],"to":[48,88,101,123,136,162,212,251,258,300,339,477,534,538,543,557],"strong":[49,117,453],"interglacials.":[51],"In":[52,92,128,277,501,516],"consequence,":[53],"amount":[55],"precipitation":[57,104,417,433],"continent":[60,221],"drastic":[62],"effect":[63],"vegetation":[66,82,217,329],"cover":[67],"and":[68,141,168,186,206,247,284,333,384,393,416,448,487],"soil":[69,98,119],"erosion.":[70],"Studies":[71],"enabled":[76],"observation":[78],"changes":[80,214,253,289,524],"cover,":[83],"extended":[85,111],"rainforest":[87,112,246,296,374],"expansion":[89],"savannahs.":[91],"association":[93],"with":[94,402,480,514,588],"open":[95,100],"grassland":[96],"association,":[97],"is":[99,105,121,133],"erosion,":[102],"although":[103],"less;":[106],"conversely,":[107],"context":[115],"monsoon,":[118],"erosion":[120,507],"minimised":[122],"presence":[125],"trees.":[127],"both":[129],"cases,":[130],"flushed":[134],"out":[135],"adjacent":[138],"domain":[140],"profound":[144],"biota.":[149],"Three":[150],"were":[153,196,210,335],"studied":[154,197],"north":[157],"south":[158],"transect,":[159],"Cameroon":[161],"Angola":[163],"(off":[164],"Sanaga,":[165],"Ogouee,":[167],"Congo":[170,437,564],"rivers),":[171],"their":[173],"palynomorph":[174,450],"contents.":[175],"All":[176],"contain":[178],"robust":[180],"chronology":[181],"based":[182],"radiocarbon":[184],"dates":[185],"two":[187,579],"stable":[189],"isotope":[190],"data,":[191],"allowing":[192],"comparison.":[193],"Dinoflagellate":[194],"cysts":[195],"retracing":[199],"sea-surface":[200],"conditions":[201,467],"such":[202],"as":[203,377,379],"temperature,":[204],"salinity":[205],"whereas":[208],"pollen":[209,231,424],"used":[211],"assess":[213],"years":[226],"(1).":[227],"A":[228,359],"number":[229],"records":[232,262,383],"terrestrial":[234,280,449],"sequences":[235],"central":[238],"document":[240,522],"dynamics":[242],"lowland":[245,295],"savannah":[248,318],"relation":[250],"climatic":[252],"Holocene.":[256],"Prior":[257],"Holocene,":[260],"continental":[261],"are":[263],"scarce":[264],"this":[266],"vast":[267],"region":[268],"and/or":[269],"only":[270],"allow":[271],"reconstruction":[272],"local":[275],"vegetation.":[276],"our":[278,382],"records,":[279],"proxies":[281],"(pollen,":[282],"spores,":[283],"charred":[285,325],"grass":[286,326],"cuticles)":[287],"signal":[288],"expansion/regression":[292],"which":[297],"we":[298],"relate":[299],"migration":[302],"Intertropical":[305],"Convergence":[306],"Zone.":[307],"Arid":[308],"periods,":[309],"characterised":[310],"by":[311,321],"dominant":[312],"open-vegetation":[313],"indicators,":[314],"also":[315],"record":[316,425,445,561,577],"increased":[317,539],"fires":[319],"represented":[320],"higher":[322,583],"fluxes":[323,451],"cuticle.":[327],"Open":[328],"or":[330],"grasslands":[331],"(Cyperaceae":[332],"Poaceae)":[334],"abundant":[336],"23":[338],"12":[340],"cal":[341,347,398,441,459],"ka":[342,348,399,442,460],"BP,":[343,349],"optimal":[344],"around":[345,439,457,592],"21\u201020":[346],"when":[350],"summer":[352,406],"insolation":[353,407],"(July)":[354],"was":[355],"at":[356,408,591],"its":[357],"lowest.":[358],"monsoonal":[361,466,547],"circulation":[362],"may":[363],"prevailed":[365],"boreal":[368],"summer,":[369],"permitting":[370],"survival":[372],"vegetation,":[375],"possibly":[376],"refugia,":[378],"documented":[380],"nearby":[385],"cores.":[386],"increase":[388,404],"rainforest,":[390],"dry":[391],"forest":[392],"woodland":[394],"taxa":[395],"after":[396],"15.2":[397],"BP":[400],"coincides":[401],"15\u00b0N,":[409],"implying":[410],"strengthening":[411],"monsoon":[414],"system":[415],"continent.":[420],"Changes":[421],"probably":[426],"indicate":[427],"return":[429,545],"bimodal":[432],"regime":[434],"over":[435],"basin":[438],"13":[440,458],"BP;":[443],"shows":[452],"river":[454,482,540],"discharge":[455,483,541],"pulses":[456],"BP.":[461],"re-establishment":[463],"full":[465],"large":[470],"impact":[471],"marginal":[473],"oceanic":[474],"environments":[475],"subject":[476],"freshwater":[478],"influence,":[479],"enhanced":[481],"increasing":[484],"nutrient":[485],"supply":[486],"displacement":[489],"surface":[491],"water":[492],"generating":[493],"upwelling":[494,533,536],"intermediate":[496],"waters":[497,513],"lower":[499],"temperature.":[500],"addition,":[502],"sea-level":[503],"rise":[504],"promoted":[505],"shelves,":[509],"further":[510],"enriching":[511],"coastal":[512,532],"nutrients.":[515],"parallel,":[517],"proxy":[520],"(dinocysts)":[521],"significant":[523,574],"oceanographic":[527],"environment,":[528],"typically":[529],"seasonal":[531],"river-induced":[535],"due":[537],"linked":[542],"conditions.":[548],"Results":[549],"functions":[552],"(modern":[553],"analogue":[554],"method)":[555],"applied":[556],"dinoflagellate":[559],"cyst":[560],"core":[565],"estimating":[567],"annual":[569,586],"primary":[570],"(PP)":[572],"show":[573],"variations;":[575],"documents":[578],"phases":[580],"relatively":[582],"than":[584],"present-day":[585],"PP,":[587],"maximum":[590],"20":[593]},"counts_by_year":[],"updated_date":"2026-09-24T07:57:37.273135","created_date":"2016-06-24T00:00:00"}