2010
DOI: 10.1029/2009pa001857
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Approaches to unravel seasonality in sea surface temperatures using paired single-specimen foraminiferalδ18O and Mg/Ca analyses

Abstract: [1] Seasonal changes in surface ocean temperature are increasingly recognized as an important parameter of the climate system. Here we assess the potential of analyzing single-specimen planktonic foraminifera as proxy for the seasonal temperature contrast (seasonality). Oxygen isotopes and Mg/Ca ratios were measured on single specimens of Globigerinoides ruber, extracted from surface sediment samples of the Mediterranean Sea and the adjacent Atlantic Ocean. Variability in d18 O and Mg/Ca was then compared to e… Show more

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Cited by 81 publications
(103 citation statements)
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References 51 publications
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“…Magnesium is known to be heterogeneously distributed through chamber walls of a number of species (Eggins et al, 2003;Erez, 2003;Hathorne et al, 2003;Eggins et al, 2004;Anand and Elderfield, 2005;Sadekov et al, 2005;Toyofuku and Kitazato, 2005;Kunioka et al, 2006;Sadekov et al, 2008;Hathorne et al, 2009;Wit et al, 2010). The laser ablation profiles from our cultured individuals also show a large variability in Mg/Ca within a chamber wall and between chamber walls despite constant culturing conditions (Fig.…”
Section: Test Wall Variability In Mg/camentioning
confidence: 82%
See 1 more Smart Citation
“…Magnesium is known to be heterogeneously distributed through chamber walls of a number of species (Eggins et al, 2003;Erez, 2003;Hathorne et al, 2003;Eggins et al, 2004;Anand and Elderfield, 2005;Sadekov et al, 2005;Toyofuku and Kitazato, 2005;Kunioka et al, 2006;Sadekov et al, 2008;Hathorne et al, 2009;Wit et al, 2010). The laser ablation profiles from our cultured individuals also show a large variability in Mg/Ca within a chamber wall and between chamber walls despite constant culturing conditions (Fig.…”
Section: Test Wall Variability In Mg/camentioning
confidence: 82%
“…The elemental and isotopic composition of individual tests is increasingly used for estimating past inter and intra-annual change, such as seasonality (Wit et al, 2010;Ganssen et al, 2011;Haarmann et al, 2011;Khider et al, 2011). The accuracy of such reconstructions, however, critically relies on the ability to distinguish vital effectrelated variability from that caused by the environment.…”
Section: Introductionmentioning
confidence: 99%
“…In our at tempt to cover most of the S range in the global oceans and more over to im part a more uni ver sal char ac ter to our anal y sis, in terms of the S ef fect, we use in our com par i son sam ples from the lower sa lin ity In dian (Sadekov et al, 2008(Sadekov et al, , 2009Mohtadi et al, 2009Mohtadi et al, , 2010aMohtadi et al, , b, 2011, Pa cific (Oppo et al, 2005(Oppo et al, , 2009McConnell and Thunell, 2005;Benway et al, 2006;Steinke et al, 2006;Bolton et al, 2011) and At lan tic (Rosenthal and Boyle, 1993;Lea et al, 2000Lea et al, , 2003Lea et al, , 2006Dekens et al, 2002;Anand et al, 2003;Schmidt et al, 2004;Farmer, 2005;Weldeab et al, 2005;New ton et al, 2006;LoDico et al, 2006;Lund and Curry, 2006;Richey et al, 2007Richey et al, , 2009Cléroux et al, 2008;Mathien-Blard and Bassinot, 2009;Steph et al, 2009;Regenberg et al, 2009;Arbuszewski et al, 2010;Haarmann et al, 2011;Martínez-Botí et al, 2011;Friedrich et al, 2012;Antonarakou et al, 2015) oceans, as well as the more sa line Red (Kisakürek et al, 2008;Mathien-Blard and Bassinot, 2009) and Med i ter ra nean seas (Fer gu son et al, 2008;Kontakiotis et al, 2011;Wit et al, 2010;<...>…”
Section: The Salinity Effectmentioning
confidence: 99%
“…The ini tial mile stones, such as the first at tempt to de duce gla cial trop i cal SSTs us ing Mg/Ca (Hastings et al, 1998), the first cal i bra tions made on cul tured whole shells , or the first detailed sed i ment trap cal i bra tions (Anand et al, 2003;Martínez-Botí et al, 2011), was fol lowed by new ones fo cus ing mostly on its con fi dent use on tar geted key (morpho)spe cies (e.g., Globigerinoides ruber) on both short (mod ern or late Quater nary; Steinke et al, 2005;Thirumalai et al, 2014;Antonarakou et al, 2015) and lon ger time scales over the past 17 My (Wara et al, 2005; Me dina-Elizalde and Lea, 2005;Medina-Elizalde et al, 2008;Lear et al, 2015). Es pe cially for the mod ern ma te rial (core-tops, plank ton tows and sed i ment traps), in which the Mg/Ca sig nal is com pli cated by the com bined in fluence of en vi ron men tal pa ram e ters (e.g., sa lin ity, cal cite sat u ration state; Kisakürek et al, 2008;Hoogakker et al, 2009;Kontakiotis et al, 2011;van Raden et al, 2011;Hönisch et al, 2013;Hertzberg and Schmidt, 2013;Hertzberg et al, 2016) and/or bi o log i cal pro cesses (Hathorne et al, 2009;Wit et al, 2010;Bolton et al, 2011;Nehrke et al, 2013;Spero et al, 2015), prog ress has been rapid be cause of im prove ments in an a lyt i cal in stru men ta tion and meth ods (Haley and Klinkhammer, 2002;Benway et al, 2003;Klinkhammer et al, 2004;Rosenthal et al, 2004;Greaves et al, 2008;. More over, the prog ress has been made in elu ci dating the im pact of chang ing sea wa ter Mg/Ca ra tios on Mg/Ca palaeothermometry (Me dina-Elizalde et al, 2008;Hasiuk and Lohmann, 2010;Broecker and Yu, 2011;Ev ans and Müller, 2012;…”
Section: Introductionmentioning
confidence: 99%
“…standard deviation or range) of proxy values measured on individual foraminifera recovered from the same depth, are used to infer changes in climate variability -such as changes in the El Niño Southern Oscillation (ENSO) system (e.g., Koutavas and Joanides, 2012; Killingley et al, 1981), or changes in the amplitude of the seasonal cycle (e.g., Ganssen et al, 2011;Wit et al, 2010). sedproxy can be used to simulate IFA by setting (Fig.…”
mentioning
confidence: 99%