Late Quaternary paleoceanographic evolution of the Aegean Sea: planktonic foraminifera and stable isotopes

Late Quaternary paleoceanographic evolution of the Aegean Sea: planktonic foraminifera and stable isotopes

Aspects of the paleoclimatic and paleoceanographic evolution of the Aegean Sea since ~130 ka are revealed by quantitativevariations in planktonic faunal assemblages, the δ 18 O and δ 13 C isotopic composition of benthic and planktonic foraminifera, andMg/Ca ratios in planktonic foraminifera extracted from five 6 10-m-long piston cores. Independent sea surface temperature (SST)estimates obtained using planktonic foraminiferal transfer functions and the Mg/Ca ratios show excellent agreement, with r 2correlationcoefficients of 0.92 0.95. Planktonic foraminiferal assemblages are similar, through time, across several deep basins, suggesting thatmajor changes must have occurred in near synchroneity across the Aegean Sea. The data suggest that sapropels S3, S4, and S5 weredeposited under a stratified water column during times of increased primary productivity and the development of a deep chlorophyllmaximum layer. Under such conditions, oxygen advection via intermediate water flow must have been significantly reduced, in turnimplying bottom water stagnation. Sapropel S1 lacks a deep phytoplankton assemblage; this faunal contrast between S1 and oldersapropels indicates that S1 must have been deposited in the absence of a deep chlorophyll maximum layer.Cluster analysis shows a consistent coupling ofGlobigerina bulloideswithGlobigerinoides ruberduring times of nonsapropel deposition,interpreted to require a stratified euphotic zone composed of a warm, nutrient-poor upper layer and a cooler, nutrient-rich lower layer.The covariation of these two species suggests increased river runoff that controlled the fertility and stratification of the surface waters.

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  • Abrajano T, Aksu AE, Hiscott RN, Mudie PJ (2002). Aspect of carbon isotope biogeochemistry of Late Quaternary sediments from the Marmara Sea and Black Sea. Mar Geol 190: 151–164.
  • Abu-Zied RH, Rohling EJ, Jorissen FJ, Fontanier C, Casford JSL, Cooke S (2008). Benthic foraminiferal response to changes in bottom-water oxygenation and organic carbon flux in the eastern Mediterranean during LGM to Recent times. Mar Micropaleontol 67: 46–68.
  • Aksu AE, Yaşar D, Mudie PJ (1995a). Paleoclimatic and paleoceanographic conditions leading to development of sapropel layer S1 in the Aegean Sea basins. Palaeogeogr Palaeoecol 116: 71–101.
  • Aksu AE, Yaşar D, Mudie PJ, Gillespie H (1995b). Late glacial - Holocene paleoclimatic and paleoceanographic evolution of the Aegean Sea: micropaleontological and stable isotopic evidence. Mar Micropaleontol 25: 1–28.
  • Aksu AE, Hiscott RN, Mudie PJ, Rochon A, Kaminski M, Abrajano T, Yaşar D (2002). Persistent Holocene outflow from the Black Sea to the eastern Mediterranean contradicts Noah’s Flood hypothesis. GSA Today 12: 4–10.
  • Aksu AE, Jenner G, Hiscott RN, İşler EB (2008). Occurrence, stratigraphy and geochemistry of Late Quaternary tephra layers in the Aegean Sea and the Marmara Sea. Mar Geol 252: 174–192.
  • Anand P, Elderfield H, Conte MH (2003). Calibration of Mg/ Ca thermometry in planktonic foraminifera from a sediment trap time series, Paleoceanography 18: 1050, doi:10.1029/2002PA000846.
  • Bar-Matthews M, Ayalon A, Gilmour M, Matthews A, Hawkesworth CJ (2003). Sea–land oxygen isotopic relationships from planktonic foraminifera and speleothems in the Eastern Mediterranean region and their implication for paleo-rainfall during interglacial intervals. Geochim Cosmochim Ac 67: 3181–3199.
  • Bé AWH, Spero HJ, Anderson OR (1982). Effect of symbiont elimination and reinfection on the life processes of the planktonic foraminifera Globigerinoides sacculifer : Mar Biol 70: 73–86.
  • Berger A (1978). Long-term variations of daily insolation and Quaternary climate changes. J Atmos Sci 35: 2362–2367.
  • Berger A, M élice JL, Loutre MF (2005). On the origin of the 100- kyr cycles in the astronomical forcing. Paleoceanography, 20: PA4019, doi:10.1029/2005PA001173.
  • Berger A, Loutre MF, M élice JL (2006). Equatorial insolation: from precession harmonics to eccentricity frequencies. Clim Past 2: 131–136.
  • Bradley LR, Marret F, Mudie PJ, Aksu AE, Hiscott RN (2012). Constraining Holocene sea-surface conditions in the southwestern Black Sea using dinoflagellate cysts. J Quaternary Sci 27: 835–843.
  • Çağatay MN, Görür N, Algan A, Eastoe CJ, Tchapalyga A, Ongan D, Kuhn T, Kuscu I (2000). Late Glacial – Holocene palaeoceanography of the Sea of Marmara timing of connections with the Mediterranean and the Black Sea. Mar Geol 167: 191–206.
  • Çağatay MN, Eriş K, Ryan WBF, Sancar U, Polonia A, Akçer S, Biltekin D, Gasperini L, Görür N, Lericolais G et al. (2009). Late Pleistocene-Holocene evolution of the northern shelf of the Sea of Marmara. Mar Geol 265: 87–100.
  • Casford JSL, Rohling EJ, Abu Zied RH, Cooke S, Fontanier C, Leng M, Lykousis V (2002). Circulation changes and nutrient concentrations in the late Quaternary Aegean Sea: a non- steady state concept for sapropel formation. Paleoceanography 17: 1024, DOI:10.1029/2000PA000601.
  • Cheddadi R, Rossignol-Strick M (1995). Improved preservation of organic matter and pollen in Eastern Mediterranean sapropels. Paleoceanography 10: 301–309.
  • Cita MB, Podenzani M (1980). Destructive effects of oxygen starvation and ash falls on benthic life: a pilot study. Quaternary Res 13: 230–241.
  • Dekens PS, Lea DW, Pak DK, Spero HJ (2002). Core top calibration of Mg/Ca in tropical foraminifera: refining paleotemperature estimation. Geochem Geophys Geosys 3: 1022, doi:10.1029/2001GC000200.
  • Edgar KM, Bohaty SM, Gibbs SJ, Sexton PF, Norris RD, Wilson PA (2013). Symbiont ‘bleaching’ in planktic foraminifera during the Middle E ocene Climatic Optimum. Geology 41: 15–18.
  • Emeis KC, Schulz H, Struck U, Rossignol-Strick M, Erlenkeuser H, Howell MW, Kroon D, Mackensen A, Ishizukam S, Oba T et al. (2003). Eastern Mediterranean surface water temperatures and δ 18 O composition during deposition of sapropels in the late Quaternary. Paleoceanography 18: 1005. doi:10.1029/2000PA00061.
  • Emeis KC, Sakamoto T, Wehausen R, Brumsack HJ (2000). The sapropel record of the eastern Mediterranean Sea—results of Ocean Drilling Program Leg 160. Palaeogeogr Palaeoecol 158: 371–395.
  • Facorellis Y, Maniatis Y, Kromer B (1998). Apparent 14C ages of marine mollusk shells from a Greek island: calculation of the marine reservoir effect in the Aegean Sea. Radiocarbon 40: 963–973.
  • Ferguson JE, Henderson GM, Kucera M, Rickaby REM (2008). Systematic change of foraminiferal Mg/Ca ratios across a strong salinity gradient. Earth Planet Sc Lett 265: 153–166.
  • Fontugne MR, Calvert SE (1992). Late Pleistocene variability of the carbon isotopic composition of organic matter in the eastern Mediterranean: monitor of changes in carbon sources and atmospheric CO2 concentrations. Paleoceanography 7: 1–20.
  • Geraga M, Tsaila Monopolis St, Ioakim Ch, Papatheodorou G, Ferentinos G (2005). Short term climate changes in the southern Aegean Sea over the last 48,000 years. Palaeogeogr Palaeoecol 220: 311–332.
  • Geraga M, Ioakim Chr, Lykousis V, Tsalia-Monopolis St, Mylona G (2010). The high-resolution palaeoclimatic and palaeoceanographic history of the last 24,000 years in the central Aegean Sea, Greece. Palaeogeogr Palaeoecol 287: 101– 115.
  • Grant KM, Rohling EJ, Bar-Matthews M, Ayalon A, Medina-Elizalde M, Bronk Ramsey C, Satow C, Roberts AP (2012). Rapid coupling between ice volume and polar temperature over the past 150,000 years. Nature 491: 744–747.
  • Grimm EC (1987). CONISS: a FORTRAN 77 program for stratigraphically constrained cluster analysis by the method of incremental sum of squares. Comput Geosc 13: 13–35.
  • Hemleben C, Spindler M, Anderson OR (1989). Modern Planktonic Foraminifera. Heidelberg, Germany: Springer Verlag.
  • Herman Y (1981). Paleoclimatic and paleohydrologic record of Mediterranean deep-sea cores based on pteropods, planktonic and benthic foraminifera. Rev Esp Micropaleontol 8: 171–200.
  • Hiscott RN, Aksu AE, Mudie PJ, Kaminski MA, Abrajano T, Yaşar D, Rochon A (2007a). The Marmara Sea Gateway since ~16 ka: non-catastrophic causes of paleoceanographic events in the Black Sea at 8.4 ka and 7.15 ka. In: YankoHombach V, Gilbert AS, Panin N, Dolukhanov P editors. The Black Sea Flood Question: Changes in Coastline, Climate, and Human Settlement. NATO Science Series IV - Earth and Environmental Sciences. Dordrecht, the Netherlands: Springer, pp. 89–117.
  • Hiscott RN, Aksu AE, Mudie PJ, Marret F, Abrajano T, Kaminski MA, Evans J, Çakıroğlu A, Yaşar D (2007b). A gradual drowning of the southwestern Black Sea shelf: evidence for a progressive rather than abrupt Holocene reconnection with the eastern Mediterranean Sea through the Marmara Sea Gateway. Quatern Int 167: 19–34.
  • Imbrie J, Kipp NG (1971). A new micropaleontological method for quantitative paleoclimatology application to a late Pleistocene Caribbean core. In: Turekian KK editor. The Late Cenozoic Glacial Ages. New Haven, CT, USA: Yale University Press, pp. 71–182.
  • Jorissen FJ, Asioli A, Borsetti AM, Capotondi L, de Visscher JP, Hilgen FJ, Rohling EJ, van der Borg K, Vergnaud Grazzini C, Zachariasse WJ (1993). Late Quaternary central Mediterranean biochronology. Mar Micropaleontol 21: 169–189.
  • Kallel N, Duplessy JC, Labeyrie L, Fontugne M, Paterne M, Montacer M (2000). Mediterranean pluvial periods and sapropel formation over the last 200 000 years. Paleogeogr Paleoecol 157: 45–58.
  • Kidd RB, Cita MB, Ryan WBF (1978). Stratigraphy of eastern Mediterranean sapropel sequences recovered during DSDP LEG 42A and their paleoenvironmental significance. In: Hsu KJ, Mondrader L editors. Initial Reports of the Deep Sea Drilling Project. US Government Printing Office, Washington, DC, USA, pp. 421–443.
  • Lea DW, Pak DK, Spero HJ (2000). Climate impact of Late Quaternary equatorial Pacific sea temperature variations. Science 289: 1719–1724.
  • Lea DW, Pak DK, Peterson LC, Hughen KA (2003). Synchroneity of tropical and highlatitude Atlantic temperatures over the Last Glacial Termination. Science 301: 1361–1364.
  • Lisiecki LE, Raymo ME (2005). A Pliocene-Pleistocene stack of 57 globally distributed benthic δ18O records. Paleoceanography 20: 1–17.
  • Margari V, Pyle D, Bryant C, Gibbard PL (2007). Mediterranean tephra stratigraphy revisited: results from a long terrestrial sequence on Lesvos Island, Greece. J Volcanol Geoth Res 163: 34–54.
  • Marino G, Rohling EJ, Sangiori F, Hayes A, Casford JL, Lotter AF, Kucera M, Brinkhuis H (2009). Early and middle Holocene in the Aegean Sea: interplay between high and low latitude climate variability. Quaternary Sci Rev 28: 3246–3262.
  • Melki T, Kallel N, Fontugne M (2010). The nature of transitions from dry to wet condition during sapropel events in the Eastern Mediterranean Sea. Palaeogeogr Palaeoecol 291: 267–285.
  • Mertens KN, Bradley LR, Takano Y, Mudie PJ, Marret F, Aksu AE, Hiscott RN, Verleye TJ, Mousing EA, Smyrnova LL et al. (2012). Quantitative estimation of Holocene surface salinity variation in the Black Sea using dinoflagellate cyst process length. Quaternary Sci Rev 39: 45–59.
  • McCorkle DC, Keigwin LD, Corliss BH, Emerso n SR (1990). The influence of microhabitats on the carbon isotopic composition of deep-sea benthic foraminifera. Paleoceanography 5: 161– 185.
  • Mommersteeg HJPM, Loutre MF, Young R, Wijmstra TA, Hooghiemstra H (1995). Orbital forced frequencies in the 975,000 year pollen record from Tenagi Philippon (Greece). Clim Dynam 11: 4–24.
  • Mulitza S, Boltovskoy D, Donner B, Meggers H, Paul A, Wefer G (2003). Temperature: δ 18 O relationships of planktonic foraminifera collected from surface waters. Palaeogeogr Palaeoecol 202: 143–152.
  • Mullineaux LS, Lohmann GP (1981). Late Quaternary stagnations and recirculation of the eastern Mediterranean: changes in the deep water recorded by fossil benthic foraminifera. J Foramin Res 11: 20–39.
  • Olson DB, Kourafalou VH, Johns WE, Samuels J, Veneziani M (2006). Aegean surface circulation from a satellite-tracked drifter array. J Phys Oceanogr 37: 1898–1917.
  • Osbourne AH, Marino G, Vance D, Rohling EJ (2010). Eastern Mediterranean surface water Nd during Eemian sapropel S5: monitoring northerly (mid-latitude) versus southerly (sub- tropical) freshwater contributions. Quaternary Sci Rev 29: 2473–2483.
  • Parker FL (1962). Planktonic foraminifera species in Pacific sediments. Micropaleontology 8: 219–254.
  • Poulos SE, Drakopoulos PG, Collins MB (1997). Seasonal variability in sea surface oceanographic conditions in the Aegean Sea (Eastern Mediterranean): an overview. J Marine Syst 13: 225– 244.
  • Principato MS, Giunta S, Corselli C, Negri A (2003). Late Pleistocene/ Holocene planktic assemblages in three box cores from the Mediterranean Ridge area (WSW of Crete): paleoecological and paleoceanographic reconstruction of sapropel S1 interval. Palaeogeogr Palaeoecol 190: 61–77.
  • Pujol C, Vernaud-Grazzini C (1995). Distribution patterns of live planktonic foraminifers as related to regional hydrography and productive systems of the Mediterranean Sea. Mar Micropaleontol 23: 187–217.
  • Reiss Z, Halicz E, Luz B (1999). Late Holocene foraminifera from the SE Levantine Basin. Israel J Earth Sci 48: 1–27.
  • Retailleau S, Schiebel R, Howa H (2011). Population dynamics of living planktic foraminifers in the hemipelagic southeastern Bay of Biscay. Mar Micropaleontol 80: 89–100.
  • Rohling EJ (1991). A simple two layered model for shoaling of the eastern Mediterranean pycnocline due to glacio-eustatic sea level lowering. Paleoceanography 6: 537–541.
  • Rohling EJ, Gieskes WWC (1989). Late Quaternary changes in Mediterranean intermediate water density and formation. Micropaleontology 3: 147–173.
  • Rohling EJ, Jorissen FJ, Vergnaud Grazzini C, Zachariasse WJ (1993). Northern Levantine and Adriatic Quaternary planktic foraminifera: reconstruction of paleoenvironmental gradients. Mar Micropaleonto l 21: 191–218.
  • Rohling EJ, Jorissen FJ, de Stigter HC (1997). A 200 year interruption of Holocene sapropel formation in the Adriatic Sea. J Micropaleontol 16: 97–108.
  • Rohling EJ, Sprovieri M, Cane T, Casford JSL, Cooke S, Bouloubassi I, Emeis KC, Schiebel R, Rogerson M, Hayes A et al. (2004). Reconstructing past planktic foraminiferal habitats using stable isotope data: a case history for Mediterranean sapropel S5. Mar Micropaleontol 50: 89–123.
  • Rosenthal Y, Lohmann GP (2002). Accurate estimation of sea surface temperatures using dissolutioncorrected calibrations for Mg/Ca paleothemometry. Paleoceanography 17: 1044, doi:10.1029/2001PA000749.
  • Ross CR, Kennett JP (1984). Late Quaternary paleoceanography as recorded by benthonic foraminifera in Strait of Sicily sediment sequences. Mar Micropaleontol 8: 315–336.
  • Rossignol Strick M (1985). Mediterranean Quaternary sapropels, an immediate response of the African monsoon to variation of insolation. Palaeogeogr Palaeoecol 49: 237–263.
  • Saito T, Thompson PR, Breger D (1981). Systematic Index of Recent and Pleistocene Planktonic Foraminifera. Tokyo: Univ. Tokyo Press.
  • Sautter LR, Thunell RC (1991). Seasonal variability in the δ 18 O and δ 13 C of planktonic foraminifera from an upwelling environment: sediment trap results from the San Pedro basin, southern California big. Paleoceanography 6: doi: 10.1029/91PA00385. issn: 08838305.
  • Schiebel R, Zeltner A, Treppke UF, Waniek JJ, Bollmann J, Rixen T, Hemleben C (2004). Distribution of diatoms, coccolithophores and planktic foraminifers along a trophic gradient during SW monsoon in the Arabian Sea. Mar Micropaleontol 51: 345–371.
  • Skliris N, Mantziafou A, Sofianos S, Gkanasos A (2010). Satellite- derived variability of the Aegean Sea ecohydrodynamics. Cont Shelf Res 30: 403–418.
  • Sperling M, Schmiedl G, Hemleben C, Emeis KC, Erlenkeuser H, Grootes PM (2003). Black Sea impact on formation of eastern Mediterranean sapropel S1? Evidence from the Marmara Sea. Palaeogeogr Palaeoecol 190: 9–21.
  • Stefanelli S, Capotondi L, Ciaranfi N (2005). Foraminiferal record and environmental changes during the deposition of the Early- Middle Pleistocene sapropels in southern Italy. Palaeogeog Palaeoecol 216: 27–52.
  • Thom N (2010). A hydrological model of the Black and Caspian Seas in the late Pleistocene and early-middle Holocene. Quaternary Sci Rev 29: 2989–2995.
  • Thunell RC, Williams DF, Kennett JP (1977). Late Quaternary paleoclimatology, stratigraphy, and sapropel history in eastern Mediterranean deepsea sediments. Mar Micropaleontol 2: 377–388.
  • Thunell RC (1979). Eastern Mediterranean Sea during the last glacial maximum; an 18000 year BP reconstruction. Quaternary Res 11: 353–372.
  • Thunell RC, Reynolds LA (1984). Sedimentation of planktonic foraminifera: Seasonal changes in species flux in the Panama Basin. Micropaleont ology 30: 243–262.
  • Tzedakis PC, Andrieu V, de Beaulieu JL, Crowhurst S, Follieri M, Hooghiemstra H, Magri D, Reille M, Sadori L, Shackleton NJ et al. (1997). Comparison of terrestrial and marine records of changing climate of the last 500,000 years. Earth Planet Sc Lett 150: 171–176.
  • Tzedakis PC, McManus PC, Hooghiemstra H, Oppo DW, Wijmstra TA (2003). Comparison of changes in vegetation in northeast Greece with records of climate variability on orbital and suborbital frequencies over the last 450,000 years. Earth Planet Sc Lett 212: 197–212.
  • Tzedakis PC, Hooghiemstra H, Palike H (2006). The last 1.35 million years at Tenaghi Philippon: revised chronostratigraphy and long-term vegetation trends. Quaternary Sci Rev 25: 3416– 3430.
  • van der Meer MTJ, Baas M, Rijpstra WIC, Marino G, Rohling EJ, Damsté JSS, Schouten S (2007). Hydrogen isotopic compositions of long-chain alkenones record freshwater flooding of the Eastern Mediterranean at the onset of sapropel deposition. Earth Planet Sc Lett 262: 594−600.
  • Velaoras D, Lascaratos A (2005). Deep water mass characteristics and interannual variability in the North and Central Aegean Sea. J Marine Syst 53: 59–85.
  • Vergnaud-Grazzini C, Ryan WBF, Cita MB (1977). Stable isotopic fractionation, climate change and episodic stagnation in the Eastern Mediterranean during the Late Quaternary. Mar Micropaleontol 2: 353–370.
  • Vidal L, Ménot G, Joly C, Bruneton H, Rostek F, Çağatay MN, Major C, Bard E (2010). Hydrology in the Sea of Marmara during the last 23 ka: implications for timing of Black Sea connections and sapropel deposition, Paleoceanography 25: PA1205, doi:10.1029/2009PA001735.
  • Wijmstra TA, Young R (1992). Vegetational and climatic transitions between interglacial and glacial periods during the last 1 million years in northern Greece. In: Kukla GJ, Went E editor. Start of a Glacial. Berlin Heidelberg, Germany: Springer, pp. 97–112.
  • Yaltırak C, İşler B, Aksu AE, Hiscott RN (2012). Evolution of the Bababurnu Basin and shelf of the Biga Peninsula: western extension of the Middle Strand of the North Anatolian Fault Zone, Northeast Aegean Sea, Turkey. J Asian Earth Sci 57: 103–119.
  • Zaric S, Donner B, Fischer G, Mulitza S, Wefer G (2005). Sensitivity of planktic foraminifera to sea surface temperature and export production as derived from sediment trap data. Mar Micropaleontol 55: 75–105.
  • Zervakis V, Georgopoulos D (2002). Hydrology and circulation in the north Aegean (eastern Mediterranean) throughout 19971998. Mediterr Mar Sci 3: 7–21.
  • Zervakis V, Georgopoulos D, Drakopoulos PG (2000). The role of the North Aegean in triggering the recent Eastern Mediterranean climatic changes. J Geophys Res 105 (C11): 26103–26116.
  • Zervakis V, Georgopoulos D, Karageorgis AP, Theocharis A (2004). On the response of the Aegean sea to climatic variability: a review. Int J Climatol 24: 1845–1858.