Shifts in North Atlantic planktic foraminifer biogeography and subtropical gyre circulation during the mid-Piacenzian warm period

Marine Micropaleontology

Volumn 80, Issue 3-4, 2011, Pages 125-149

  Lutz, Brendan P ^a  

^a SOUTHERN ILLINOIS UNIVERSITY   (United States)

Author keywords

Mid Piacenzian warm period; North Atlantic subtropical gyre; Planktic foraminifera; PRISM

Indexed keywords

CLIMATE FORCING; DATA SET; FOSSIL ASSEMBLAGE; FOSSIL RECORD; GENERAL CIRCULATION MODEL; GYRE; MICROPALEONTOLOGY; OCEAN DRILLING PROGRAM; PALEOENVIRONMENT; PLANKTONIC FORAMINIFERA; PLIOCENE; SEA SURFACE TEMPERATURE; SUBTROPICAL REGION;

ATLANTIC OCEAN; ATLANTIC OCEAN (NORTH);

FORAMINIFERA;

EID: 79960844486     PISSN: 03778398     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.marmicro.2011.06.006     Document Type: Article

References (118)

1. 2 doubling of an atmospheric GCM coupled to an oceanic mixed layer: a linear analysis. Climate Dynamics 2003, 20:775-787.
2. Antonov J.I., Seidov D., Boyer T.P., Locarnini R.A., Mishonov A.V., Garcia H.E. World Ocean Atlas 2009, Volume 2: Salinity. NOAA Atlas NESDIS 2010, 69. U.S. Government Printing Office, 184 pp. S. Levitus (Ed.).
3. Ballantyne A.P., Greenwood D.R., Sinninghe Damsté J.S., Csank A.Z., Eberle J.J., Rybczynski N. Significantly warmer Arctic surface temperatures during the Pliocene indicated by multiple independent proxies. Geology 2010, 38(7):603-606.
4. Berggren W.A., Hilgren F.J., Langereis C.G., Kent D.V., Obradovich J.D., Raffi I., Raymo M.E., Shackleton N.J. Late Neogene chronology: new perspectives in high-resolution stratigraphy. GSA Bulletin 1995, 107(11):1272-1287.
5. Bice K.L., Scotese C.R., Seidov D., Barron E.J. Quantifying the role of geographic change in Cenozoic ocean heat transport using uncoupled atmosphere and ocean models. Palaeogeography, Palaeoclimatology, Palaeoecology 2000, 161:295-310.
6. Billups K., Ravelo A.C., Zachos J.C. Early Pliocene deep-water circulation: stable isotope evidence for enhanced Northern Component Deep Water. Proceedings of the Ocean Drilling Program, Scientific Results 1997, vol. 154:319-330. N.J. Shackleton, W.B. Curry, C. Richter, T.J. Bralower (Eds.).
7. Billups K., Ravelo A.C., Zachos J.C. Early Pliocene climate: a perspective from the western equatorial Atlantic warm pool. Paleoceanography 1998, 13(5):459-470.
8. Brierley C.M., Fedorov A.V. Relative importance of meridional and zonal sea surface temperature gradients for the onset of the ice ages and Plio-Pleistocene climate evolution. Paleoceanography 2010, 25:PA2214.
9. Brierley C.C., Fedorov A.V., Liu Z., Herbert T.D., Lawrence K.T., Lariviere J.P. Greatly expanded tropical warm pool and weakened Hadley Circulation in the Early Pliocene. Science 2009, 323:1714-1718.
10. Chandler, M., Dowsett, H., Haywood, A., 2008. The PRISM model/data cooperative: mid-Pliocene data-model comparisons. PAGES News, 16, 24-25.
11. Chapman M.R., Funnell B.M., Weaver P.P.E. Isolation, extinction and migration within Late Pliocene populations of the planktonic foraminiferal lineage Globorotalia (Globoconella) in the North Atlantic. Marine Micropaleontology 1998, 33(3-4):203-222.
12. Cianca A., Santana R., Marrero J.P., Rueda M.J., Llinás O. Modal composition of the central water in the North Atlantic subtropical gyre. Ocean Science Discussions 2009, 6:2487-2506.
13. Clark N., Williams M., Okamura B., Smellie J., Nelson A., Knowles T., Taylor P., Leng M., Zalasiewicz J., Haywood A. Early Pliocene Weddell Sea seasonality determined from bryozoans. Stratigraphy 2010, 7(2-3):199-206.
14. Clarke K.R., Warwick R.M. Change in Marine Communities: An Approach to Statistical Analysis and Interpretation 2001, PRIMER-E, Plymouth, U.K, 172 pp. 2nd ed.
15. Cronin T.M. Pliocene shallow water paleoceanography of the North Atlantic Ocean based on marine ostracodes. Quaternary Science Reviews 1991, 110:175-188.
16. Csank A.Z., Tripati A.K., Patterson W.P., Eagle R.A., Rybczynski N., Ballantyne A.P., Eiler J.M. Estimates of Arctic land surface temperatures during the early Pliocene from two novel proxies. Earth and Planetary Science Letters 2011, 304:291-299.
17. Czaja A., Marshall J. The partitioning of poleward heat transport between the atmosphere and Ocean. Journal of Atmospheric Sciences 2006, 63:1498-1511.
18. Dekens P.S., Ravelo A.C., McCarthy M. Warm upwelling regions in the Pliocene warm period. Paleoceanography 2007, 22:PA3211.
19. Dowsett H.J. The development of a long-range foraminifer transfer function and application to Late Pleistocene North Atlantic climatic extremes. Paleoceanography 1991, 6:259-273.
20. Dowsett H.J. The PRISM Palaeoclimate Reconstruction and Pliocene Sea-Surface Temperature. Geological Society of London and The Micropalaeontological Society 2007, 459-480. M. Williams, A.M. Haywood, F.J. Gregory, D.N. Schmidt (Eds.).
21. Dowsett H.J., Caballero Gill R.P. Pliocene climate. Stratigraphy 2010, 7(2-3):106-110.
22. Dowsett H.J., Loubere P. High resolution late Pliocene sea-surface temperature record from the northeast Atlantic Ocean. Marine Micropaleontology 1992, 20(2):91-105.
23. Dowsett H.J., Poore R.Z. A new planktic foraminifer transfer function for estimating Pliocene through Holocene sea surface temperatures. Marine Micropaleontology 1990, 16(1/2):1-23.
24. Dowsett H.J., Poore R.Z. Pliocene sea surface temperatures of the North Atlantic Ocean at 3.0Ma. Quaternary Science Reviews 1991, 10:189-204.
25. Dowsett H.J., Robinson M.M. Mid-Pliocene planktic foraminifer assemblage of the North Atlantic Ocean. Micropaleontology 2007, 53(1-2):105-126.
26. Dowsett H.J., Cronin T.M., Poore R.Z., Thompson R.S., Whatley R.C., Wood A. Micropaleontological evidence for increased meridional heat transport in the North Atlantic Ocean during the Pliocene. Science 1992, 258:1133-1135.
27. Dowsett H.J., Barron J.A., Poore R.Z., Thompson R.S., Cronin T.M., Ishman S.E., Willard D.A. Pliocene paleoenvironmental reconstruction: PRISM2. U.S. Geological Survey Open File Report 1999, 99-535. http://http:/pubs.usgs.gov/of/of99-535/.
28. Dowsett H.J., Chandler M.A., Cronin T.M., Dwyer G.S. Middle Pliocene sea surface temperature variability. Paleoceanography 2005, 20:PA2014.
29. Dowsett H.J., Robinson M.M., Dwyer G.S., Chandler M.A., Cronin T.M. PRISM3 DOT1 Atlantic basin reconstruction. U.S. Geological Survey Data Series 2006, 189. http://pubs.usgs.gov/ds/2006/189/index.html.
30. Dowsett H.J., Chandler M.A., Robinson M.M. Surface temperatures of the Mid-Pliocene North Atlantic Ocean: Implications for future climate. Philosophical Transactions of the Royal Society A 2009, 10.1098/rsta.2008.0213.
31. Dowsett H.J., Robinson M.M., Foley K.M. Pliocene three-dimensional global ocean temperature reconstruction. Climate of the Past Discussions 2009, 5:1901-1928.
32. Dowsett H., Robinson M., Haywood A., Salzmann U., Hill D., Sohl L., Chandler M., Williams M., Foley K., Stoll D. The PRISM3D paleoenvironmental reconstruction. Stratigraphy 2010, 7(2-3):123-139.
33. Dowsett H.J., Robinson M.M., Stoll D.K., Foley K.M. Mid-Piacenzian mean annual sea surface temperature analysis for data-model comparisons. Stratigraphy 2010, 7(2-3):189-198.
34. Dowsett, H.J., Haywood, A.M., Valdes, P.J., Robinson, M.M., Lunt, D.J., Hill, D.J., Stoll, D.K., Foley, K.M., in press. Sea surface temperatures of the mid-Piacenzian Warm Period: A comparison of PRISM3 and HadCM3. Palaeogeography, Palaeoclimatology, Palaeoecology. doi:10.1016/j.palaeo.2011.03.016.
35. Draut A.E., Raymo M.E., McManus J.F., Oppo D.W. Climate stability during the Pliocene warm period. Paleoceanography 2003, 18(4):PA1078.
36. Eberli G.P., Swart P.K., Malone M.J., et al. Site 1006. Proceedings of the Ocean Drilling Program, Initial Reports 1997, vol. 166:233-287.
37. Etorneau J., Schneider R., Blanz T., Martinez P. Intensification of the Walker and Hadley atmospheric circulations during the Pliocene-Pleistocene climate transition. Earth and Planetary Science Letters 2010, 297(1-2):103-110.
38. Fairbanks R.G., Wiebe P.H. Foraminifera and chlorophyll maximum: vertical distribution, seasonal succession, and paleoceanographic significance. Science 1980, 209:1524-1526.
39. Fairbanks R.G., Sverdlove M., Free R., Wiebe P.H., Bé A.W.H. Vertical distribution and isotopic fractionation of living planktonic foraminifera from the Panama Basin. Nature 1982, 298:841-844.
40. Firth J.V., et al. Proceedings of the Ocean Drilling Program, Initial Reports 1996, vol. 159T:3-13.
41. Frankignoul C., de Coetlogon G., Joyce T.M., Dong S.F. Gulf Stream variability and ocean-atmosphere interactions. Journal of Physical Oceanography 2001, 31:3516-3529.
42. Ganachaud A., Wunsch C. Improved estimates of global ocean circulation, heat transport and mixing from hydrographic data. Nature 2000, 408:453-457.
43. A Geologic Time Scale 2004 2004, Cambridge University Press, 524 pp. F.M. Gradstein, J.G. Ogg, A.G. Smith (Eds.).
44. Hansen J., Sato M., Ruedy R., Lo K., Lea D., Medine-Elizalde M. Global temperature change. Proceedings of the National Academy of Sciences 2006, 103:14288-14293.
45. Haywood A.M., Valdes P.J. Modeling Pliocene warmth: contributions of atmosphere, oceans and cryosphere. Earth and Planetary Science Letters 2004, 218:363-377.
46. Haywood A.M., Sellwood B.W., Valdes P.J. Regional warming: Pliocene (3Ma) paleoclimate of Europe and the Mediterranean. Geology 2000, 28(12):1063-1066.
47. Haywood A.M., Valdes P.J., Sellwood B.W. Global scale palaeoclimate reconstruction of the middle Pliocene climate using the UKMO GCM: initial results. Global and Planetary Change 2000, 25:239-256.
48. Haywood A.M., Valdes P.J., Hill D.J., Williams M. The mid-Pliocene warm period: a test-bed for integrating data & models. Geological Society of London and The Micropalaeontological Society 2007, 443-457. M. Williams, A.M. Haywood, F.J. Gregory, D.N. Schmidt (Eds.).
49. Haywood A.M., Chandler M.A., Valdes P.J., Salzmann U., Lunt D.J., Dowsett H.J. Comparison of mid-Pliocene climate predictions produced by the HadAM3 and GCMAM3 General Circulation Models. Global and Planetary Change 2009, 66:208-224.
50. Haywood A.M., Dowsett H.J., Valdes P.J., Lunt D.J., Francis J.E., Sellwood B.W. Introduction. Pliocene climate, processes, and problems. Philosophical Transactions of the Royal Society A 2009, 367. 10.1098/rsta.2008.0205.
51. Haywood A.M., Dowsett H.J., Otto-Bliesner B., Chandler M.A., Dolan A.M., Hill D.J., Lunt D.J., Robinson M.M., Rosenbloom N., Salzmann U., Sohl L.E. Pliocene Model Intercomparison Project (PlioMIP): experimental design and boundary conditions (Experiment 1). Geoscientific Model Development 2010, 3:227-242.
52. Haza A.C., Mariano A.J., Chin T.M., Olson D.B. The mean flow and variability of the Gulf stream-slopewater system from MICOM. Ocean Modeling 2007, 17(3):239-276.
53. Hemleben C., Spindler M., Anderson O.R. Modern Planktonic Foraminifera 1989, Springer-Verlag, 363 pp.
54. Herbert T.D., Schuffert J.D. Alkenone unsaturation estimates of late Miocene through late Pliocene sea-surface temperatures at Site 958. Proceedings of the Ocean Drilling Program, Scientific Results 1998, vol. 159T:17-21. J.V. Firth (Ed.).
55. Hodell D.A., Venz-Curtis K.A. Late Neogene history of deepwater ventilation in the Southern Ocean. Geochemistry, Geophysics, Geosystems 2006, 7(9):Q09001.
56. Intergovernmental Panel on Climate Change (IPCC) Climate change 2007: the physical science basis. Contribution of Working Group 1 to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change 2007, Cambridge University Press, Cambridge, U.K./New York, 996 pp. S. Solomon, D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor, H.L. Miller (Eds.).
57. Keigwin L.D., Rio D., Acton G.D., et al. Deep Blake-Bahama Outer Ridge, Sites 1060, 1061, and 1062. Proceedings of the Ocean Drilling Program, Initial Reports 1998, vol. 172:157-250.
58. Keigwin L.D., Rio D., Acton G.D., et al. Bermuda Rise and Sohm Abyssal Plain, Sites 1063 and 1064. Proceedings of the Ocean Drilling Program, Initial Reports 1998, vol. 172:251-308.
59. Kelly K.A. The meandering Gulf Stream as seen by the Geosat altimeter: Surface transport, position, and velocity variance from 73° to 46°W. Journal of Geophysical Research 1991, 96:16721-16738.
60. Kennett J.P., Vella P. Late Cenozoic planktonic foraminifera and paleoceanography at DSDP Site 284 in the cool subtropical South Pacific. Initial Reports of the Deep Sea Drilling Project 1975, vol. 29:769-799.
61. Khélifi N., Sarnthein M., Andersen N., Blanz T., Frank M., Garbe-Schönberg D., Haley B., Stumpf R., Weinelt M. A major and long-term Pliocene intensification of the Mediterranean outflow, 3.5-3.3Ma ago. Geology 2009, 37:811-814.
62. Kim S.-J., Crowley T.J. Increased Pliocene North Atlantic Deep Water: Cause or consequence of Pliocene warming?. Paleoceanography 2000, 15(4):451-455.
63. Knowles T., Taylor P.D., Williams M., Haywood A.M., Okamura B. Pliocene seasonality across the North Atlantic inferred from cheilostome bryozoans. Palaeogeography, Palaeoclimatology, Palaeoecology 2009, 277(3-4):226-235.
64. Kroon D., Williams T., Pirmez C., Spezzaferri S., Sato T., Wright J.D. Proceedings of the Ocean Drilling Program, Scientific Results 2000, vol. 166:155-166. P.K. Swart, G.P. Eberli, M.J. Malone, J.F. Sarg (Eds.).
65. Kucera M. Planktonic foraminifera as tracers of past oceanic environments. Developments in Marine Geology Volume 1, Proxies in Late Cenozoic Paleoceanography 2007, 213-262. Elsevier. C. Hillarie-Marcel, A. de Vernal (Eds.).
66. Kucera M., Schönfeld J. The origin of modern foraminiferal faunas and Neogene climate change. Geological Society of London and The Micropalaeontological Society 2007, 409-425. M. Williams, A.M. Haywood, F.J. Gregory, D.N. Schmidt (Eds.).
67. Kucera M., Weinelt M., Kiefer T., Pflaumann U., Hayes A., Weinelt M., Chen M.-T., Mix A.C., Barrows T.T., Cortijo E., Duprat J., Juggins S., Waelbroeck C. Reconstruction of sea-surface temperatures from assemblages of planktonic foraminifera: multi-technique approach based on geographically constrained calibration data sets and its application to glacial Atlantic and Pacific Oceans. Quaternary Science Reviews 2005, 24(7-9):951-998.
68. Lawrence K.T., Herbert T.D., Brown C.M., Raymo M.E., Haywood A.M. High-amplitude variations in North Atlantic sea surface temperature during the early Pliocene warm period. Paleoceanography 2009, 24:PA2218.
69. Leaman K.D., Vertes P.S., Atkinson L.P., Lee T.N., Hamilton P., Waddell E. Transport, potential vorticity, and current/temperature structures across Northwest Providence and Santaren Channels and the Florida Current off Cay Cal Bank. Journal of Geophysical Research 1995, 100:8561-8570.
70. 18O records. Paleoceanography 2005, 20:PA1003.
71. Locarnini R.A., Mishonov A.V., Antonov J.I., Boyer T.P., Garcia H.E. World Ocean Atlas 2009, Volume 1: Temperature. NOAA Atlas NESDIS 2010, 68. U.S. Government Printing Office, 184 pp. S. Levitus (Ed.).
72. Lourens L.J., Antonarakou A., Hilgen F.J., Van Hoof A.A.M., Vergnaud-Grazzini C., Zachariasse W.J. Evaluation of the Plio-Pleistocene astronomical timescale. Paleoceanography 1996, 11:391-413.
73. Lunt D.J., Haywood A.M., Schmidt G.A., Salzmann U., Valdes P.J., Dowsett H.J. Earth system sensitivity inferred from Pliocene modeling and data. Nature Geoscience 2009, 3:60-64.
74. Malmgren B.A., Kennett J.P. Phyletic gradualism in a Late Cenozoic planktonic foraminiferal lineage; DSDP Site 284, southwest Pacific. Paleobiology 1981, 7:230-240.
75. Morey A.E., Mix A.C., Pisias N.G. Planktonic foraminiferal assemblages preserved in surface sediments correspond to multiple environmental variables. Quaternary Science Reviews 2005, 24:925-950.
76. Naafs B.D.A., Stein R., Hefter J., Khélifi N., De Schepper S., Haug G.H. Late Pliocene changes in the North Atlantic Current. Earth and Planetary Science Letters 2010, 298(3-4):434-442.
77. Norris R.D., Corfield R.M., Cartlidge J.E. Evolutionary ecology of Globorotalia (Globoconella) (planktic foraminifera). Marine Micropaleontology 1994, 23:121-145.
78. Ortiz J.D., Mix A.C., Collier R.W. Environmental control of living symbiotic and asymbiotic foraminifera of the California current. Paleoceanography 1995, 10:987-1010.
79. Ottens J.J. Planktic foraminifera as North Atlantic water mass indicators. Oceanologica Acta 1991, 14:123-140.
80. Pagani M., Liu Z., LaRiviere J., Ravelo A.C. High Earth-system climate sensitivity determined from Pliocene carbon dioxide concentrations. Nature Geoscience 2010, 3:27-30.
81. Pearson P.N., Ditchfield P.W., Singano J., Harcourt-Brown K.G., Nicholas C.J., Olsson R.K., Shackleton N.J., Hall M.A. Warm tropical sea surface temperatures in the Late Cretaceous and Eocene epochs. Nature 2001, 413:481-487.
82. Pflaumann U., Sarnthein M., Ficken K., Grothmann A., Winkler A. Variations in eolian and carbonate sedimentation, sea surface temperature, and productivity over the last 3M.Y. at Site 958 off Northwest Africa. Proceedings of the Ocean Drilling Program, Results 1998, vol. 159T:3-16.
83. Prell W., Martin A., Cullen J., Trend M. The Brown University Foraminiferal Data Base, IGBP PAGES/World Data Center-A for Paleoclimatology, Data Contribution Series #1999-027 1999, NOAA/NGDC Paleoclimatology Program, Boulder CO, USA.
84. PRISM Project Members Pliocene planktic foraminifer census data from the North Atlantic region. U.S. Geological Survey Open-File Report 96-669 1996, 30 pp.
85. Ravelo A.C., Andreasen D.H. Enhanced circulation during a warm period. Geophysical Research Letters 2000, 27(7):1001-1004.
86. Ravelo A.C., Andreasen D.H., Lyle M., Olivarez-Lyle A., Wara M.W. Regional climate shifts caused by gradual cooling in the Pliocene epoch. Nature 2004, 429:263-267.
87. Raymo M.E., Ruddiman W.F., Clement B.M. Pliocene-Pleistocene paleoceanography of the North Atlantic at DSDP Site 609. Initial Reports of the Deep Sea Drilling Project 1987, vol. 94:895-901.
88. Raymo M.E., Ruddiman W.F., Backman J., Clement B.M., Martinson D.G. Late Pliocene variation in Northern Hemisphere Ice Sheets and North Atlantic Deep Water Circulation. Paleoceanography 1989, 4(4):413-446.
89. Raymo M.E., Grant B., Horowitz M., Rau G.H. Mid-Pliocene warmth; stronger greenhouse and stronger conveyor. Marine Micropaleontology 1996, 27(1-4):313-326.
90. Reed-Sterrett C., Dekens P.S., White L.D., Aiello I.W. Cooling upwelling regions along the California margin during the early Pliocene: evidence for a shoaling thermocline. Stratigraphy 2010, 7(2-3):141-150.
91. Reynolds R.W., Smith T.M. A high resolution global sea surface temperature climatology. Journal of Climatology 1995, 8:1571-1583.
92. 2 climate: impact of the sea surface temperature gradient. Journal of the Atmospheric Sciences 1987, 44(21):3235.
93. Rind D. Latitudinal temperature gradients and climate change. Journal of Geophysical Research 1998, 103(D6):5943-5971.
94. Rind D., Chandler M. Increased ocean heat transports and warmer climate. Journal of Geophysical Research 1991, 96(D4):4737-7461.
95. Robinson M.M. New quantitative evidence of extreme warmth in the Pliocene Arctic. Stratigraphy 2009, 6(4):265-275.
96. Robinson M.M., Dowsett H.J., Dwyer G.S., Lawrence K.T. Reevaluation of mid-Pliocene North Atlantic sea surface temperatures. Paleoceanography 2008, 23:PA3213.
97. Robinson, M.M., Valdes, P.J., Haywood, A.M., Dowsett, H.J., Hill, D.J., Jones, S.M., in press. Bathymetric controls on Pliocene North Atlantic and Arctic sea surface temperature and deepwater production. Palaeogeography, Palaeoclimatology, Palaeoecology. doi:10.1016/j.palaeo.2011.01.004.
98. Sarnthein M., Bartoli G., Prange M., Schmittner A., Schneider B., Weinelt M., Andersen N., Garbe-Schonberg D. Mid-Pliocene shifts in ocean overturning circulation and the onset of Quaternary-style climates. Climate of the Past 2009, 5:269-283.
99. Sautter L.R., Thunell R.C. Planktonic foraminiferal response to upwelling and seasonal hydrographic conditions: sediment trap results from San Pedro Basin, Southern California bight. Journal of Foraminiferal Research 1991, 21:347-363.
100. Schiebel R., Hemleben C. Extant planktic foraminifera: A brief review. Paläontogische Zeitschrift 2005, 79:135-148.
101. Schmincke H.-U., Weaver P.P.E., Firth J.V., et al. Proceedings of the Ocean Drilling Program, Initial Reports 1995, vol. 157:105-134.
102. Schmitz W.J., Richardson P.L. On the sources of the Florida Current. Deep-Sea Research 1991, 38:379-409.
103. 2 records. Earth and Planetary Science Letters 2010, 292:201-211.
104. 2 levels in the Early-Middle Paleogene. Palaeogeography, Palaeoclimatology, Palaeoecology 2003, 193:113-123.
105. Sloan L.C., Crowley T.J., Pollard D. Modeling of middle Pliocene climate with the NCAR GENESIS general circulation model. Marine Micropaleontology 1996, 27:51-61.
106. Thunell R.C., Belyea P.R. Neogene planktonic foraminiferal biogeography of the Atlantic Ocean. Micropaleontology 1982, 28:381-398.
107. Trenberth K.E., Caron J.M. Estimates of meridional atmosphere and ocean heat transports. Journal of Climate 2001, 14:3433-3443.
108. 2 and ice sheet stability over major climate transitions of the last 20million years. Science 2009, 326:1394-1397.
109. Veersteegh G.J.M., Brinkhuis H., Visscher H., Zonneveld K.A.F. The relation between productivity and temperature in the Pliocene North Atlantic at the onset of northern hemisphere glaciations: a palynological study. Global and Planetary Change 1996, 11(4):155-165.
110. Wade B., Pearson P.N., Berggren W.A. Review and revision of Cenozoic tropical planktonic foraminiferal biostratigraphy and calibration to the Global Polarity and Astronomical time Scale. Earth Science Reviews 2011, 104(1-3):111-142.
111. Watkins J.M., Mix A.C. Testing the effects of tropical temperature, productivity, and mixed-layer depth on foraminiferal transfer functions. Paleoceanography 1998, 13:96-105.
112. Wei K.Y., Kennett J.P. Phyletic gradualism and punctuated equilibrium in the late Neogene planktonic foraminiferal clade Globoconella. Paleobiology 1988, 14:345-363.
113. Williams M., Nelson A.E., Smellie J.L., Leng M.J., Johnson A.L.A., Jarram D.R., Haywood A.M., Peck V.L., Zalasiewicz J., Bennett C., Schöne B.R. Sea ice extent and seasonality for the Early Pliocene northern Weddell Sea determined from fossil Austrochlamys bivalves. Palaeogeography, Palaeoclimatology, Palaeoecology 2010, 292:306-318.
114. Worthington L.V. On the North Atlantic circulation. Johns Hopkins Oceanographic Studies 1976, vol. 6. 110 pp.
115. Wright J.D., Kroon D. Planktonic foraminiferal biostratigraphy of Leg 166. Proceedings of the Ocean Drilling Program, Scientific Results 2000, vol. 166:3-12. P.K. Swart, G.P. Eberli, M.J. Malone, J.F. Sarg (Eds.).
116. Wright J.D., Thunell R.C. Neogene planktonic foraminiferal biogeography and paleoceanography of the Indian Ocean. Micropaleontology 1988, 34:193-216.
117. Zachos J.C., Wara M.W., Bohaty S., Delaney M.L., Petrizzo M.R., Brill A., Bralower T.J., Premoli-Silva I. A transient rise in tropical sea surface temperature during the Paleocene-Eocene Thermal Maximum. Science 2003, 302:1551-1554.
118. Zhou M., Paduan J.D., Niiler P.P. Surface currents in the Canary Basin from drifter observations. Journal of Geophysical Research 2000, 105:21893-21911.