Options
Introduction to 'long-term changes in Southern high-latitude ice sheets and climate, the Cenozoic history'
Other Titles
Preface
Language
English
Obiettivo Specifico
3.8. Geofisica per l'ambiente
Status
Published
JCR Journal
JCR Journal
Peer review journal
Yes
Title of the book
Issue/vol(year)
1 / 45 (2005)
Publisher
Elsevier
Pages (printed)
1-7
Issued date
February 2005
Keywords
Abstract
The Cenozoic evolution of the Antarctic cryosphere and fluctuations in its ice sheet cover are considered to be one of the major influences on low- and mid-latitude deep-sea sedimentary records. Long-term Cenozoic trends and short-term climate fluctuations (≤40 ka) alike are inferred to have been
driven or modulated by changes in Antarctic ice sheet volume (Kennett, 1977; Imbrie and Imbrie, 1980; Zachos et al., 1997, 2001; Shackleton et al., 1999; Lear et al., 2000; Naish et al., 2001). Similarly, changes in sea level elevations at continental margins are also inferred to result from growth and decay in Antarctic ice sheet volume
throughout the Cenozoic (Barrett et al., 1987; Haq et al., 1987). Yet, direct records of the Antarctic cryosphere and its ice sheets are sparse at best, and much of the inference remains untested.
Recent efforts have begun to change this, and the last decade has seen several expeditions to the Antarctic and Southern Oceans, which have recovered new high-quality sedimentary core and seismic reflection records of Southern high-latitude Cenozoic ice sheets and climate. These include the Cape
Roberts Project (CRP) (Cape Roberts Science Team, 1998; Hambrey et al., 1998; Cape Roberts Science Team, 1999; Barrett et al., 2000; Cape Roberts Science Team, 2000; Barrett et al., 2001; Davey et al., 2001), ODP Leg 177 (Gersonde et al., 1999, 2003), Leg 178 (Barker et al., 1999, 2002), Leg 182
(Feary et al., 2000; Hine et al., 2004), Leg 188 (O’Brien et al., 2001; Cooper et al., 2004), and Leg 189 (Exon et al., 2001, in press), and various RVIB NB Palmer and Polarstern cruises.
Recent results from these expeditions were presented at a special session of the EGS–AGU Joint assembly held in Nice, France, in April 2003. The focus of the session was the many orders and scales of variation of Antarctic ice sheets and climate from Antarctic and sub-Antarctic records derived from outcrop studies, deep sea and continental margin
drilling, and seismic reflection investigations. The session also included new modelling results utilizing new data from these recent expeditions and preliminary
results of geophysical surveys defining sub-ice shelf and sea ice sedimentary basins identified as drilling targets in the near future under the ANDRILL program (Harwood et al., 2002; Florindo et al., 2003a).
driven or modulated by changes in Antarctic ice sheet volume (Kennett, 1977; Imbrie and Imbrie, 1980; Zachos et al., 1997, 2001; Shackleton et al., 1999; Lear et al., 2000; Naish et al., 2001). Similarly, changes in sea level elevations at continental margins are also inferred to result from growth and decay in Antarctic ice sheet volume
throughout the Cenozoic (Barrett et al., 1987; Haq et al., 1987). Yet, direct records of the Antarctic cryosphere and its ice sheets are sparse at best, and much of the inference remains untested.
Recent efforts have begun to change this, and the last decade has seen several expeditions to the Antarctic and Southern Oceans, which have recovered new high-quality sedimentary core and seismic reflection records of Southern high-latitude Cenozoic ice sheets and climate. These include the Cape
Roberts Project (CRP) (Cape Roberts Science Team, 1998; Hambrey et al., 1998; Cape Roberts Science Team, 1999; Barrett et al., 2000; Cape Roberts Science Team, 2000; Barrett et al., 2001; Davey et al., 2001), ODP Leg 177 (Gersonde et al., 1999, 2003), Leg 178 (Barker et al., 1999, 2002), Leg 182
(Feary et al., 2000; Hine et al., 2004), Leg 188 (O’Brien et al., 2001; Cooper et al., 2004), and Leg 189 (Exon et al., 2001, in press), and various RVIB NB Palmer and Polarstern cruises.
Recent results from these expeditions were presented at a special session of the EGS–AGU Joint assembly held in Nice, France, in April 2003. The focus of the session was the many orders and scales of variation of Antarctic ice sheets and climate from Antarctic and sub-Antarctic records derived from outcrop studies, deep sea and continental margin
drilling, and seismic reflection investigations. The session also included new modelling results utilizing new data from these recent expeditions and preliminary
results of geophysical surveys defining sub-ice shelf and sea ice sedimentary basins identified as drilling targets in the near future under the ANDRILL program (Harwood et al., 2002; Florindo et al., 2003a).
References
Barker, P.F., Camerlenghi, A., Acton, G.D., et al., 1999. Proc.
ODP, Init. Repts., 178 [Online]. Available from World Wide
Web: http://www-odp.tamu.edu/publications/178_IR/
178TOC.HTM.
Barker, P.F., Camerlenghi, A., Acton, G.D., Ramsay, A.T.S. (Eds.),
2000. Proc. ODP, Sci. Results 178 [Online]. Available from
World Wide Web: http://www-odp.tamu.edu/publications/
178_SR/178sr.htm.
Barrett, P.J., Elston, D.P., Harwood, D.M., McKelvey, B.C., Webb,
P.-N., 1987. Mid-Cenozoic record of glaciation and sea-level
change on the margin of the Victoria Land Basin, Antarctica.
Geology 15, 634–637.
Barrett, P.J., et al., (Eds.), 2000. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Scientific results of CRP-2/2A:
Parts I and II. Terra Antartica, vol. 7, pp. 1 – 665.
Barrett, P.J., et al., (Eds.), 2001. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Scientific results of CRP-3: Parts I
and II. Terra Antartica, vol. 8, pp. 1 – 621.
Bellanca, A., Aghib, F., Neri, R., Sabatino, N., 2005. Bulk
carbonate isotope stratigraphy from CRP-3 core (Victoria
Land Basin, Antarctica): evidence for Eocene–Oligocene
palaeoclimatic evolution. Glob. Planet. Change 45, 227–237
(this issue).
Cape Roberts Science Team, 1998. Initial Report on CRP-1, Cape
Roberts Project, Antarctica. Terra Antarctica 5, 1–187.
Cape Roberts Science Team, 1999. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Initial Report on CRP-2/2A. Terra
Antarctica 6, 1– 173 (with supplement, 245 pp.).
Cape Roberts Science Team, 2000. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Initial Report on CRP-3. Terra
Antarctica 7, 1 – 209 (with supplement, 305 pp.).
Cooper, A.K., O’Brien, P.E., Richter, C. (Eds.), 2004. Proc. ODP,
Sci. Results, 188 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/188_SR/188sr.htm.
Davey, F.J., Barrett, P.J., Cita, M.B., van der Meer, J.J.M.,
Tessensohn, F., Thomson, M., Webb, P.-N., Woolfe, K.J.,
2001. Drilling for Antarctic Cenozoic climate and tectonic
history at Cape Roberts, southwestern Ross Sea. EOS Trans.-
Am. Geophys. Union 82 (48), 585.
Escutia, C., De Santis, L., Donda, F., Dunbar, R.B., Cooper, A.K.,
Brancolini, G., Eittreim, S.L., 2005. Cenozoic ice sheet history
from East Antarctic Wilkes Land continental margin sediments.
Glob. Planet. Change 45, 51–81 (this issue).
Exon, N.F., Kennett, J.P., Malone, M.J., et al., 2001. Proc. ODP,
Init. Repts., 189 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/189_IR/189ir.htm.
Exon, N.F., Kennett, J.P., Malone, M.J. (Eds.), in press. Proc. ODP,
Sci. Results, 189 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/189_SR/189sr.htm.
Feary, D.A., Hine, A.C., Malone, M.J., et al., 2000. Proc. ODP, Init.
Repts., 182 [Online]. Available from World Wide Web: http://
www-odp.tamu.edu/publications/182_IR/182ir.htm.
Finocchiaro, F., Langone, L., Colizza, E., Fontolan, G., Giglio, F.,
Tuzzi, E., 2005. Record of the early Holocene warming in a
laminated sediment core from Cape Hallett Bay (northern
Victoria Land, Antarctica). Glob. Planet. Change 45, 191–204
(this issue).
Florindo, F., Cooper, A.K., O’Brien, P.E. (Eds.), 2003. Antarctic
Cenozoic palaeoenvironments: geologic record and models,
Palaeogeography, Palaeoclimatology, Palaeoecology, 198,
1 –278.
Florindo, F., Francis, J., Harwood, D.M., Levy, R.H., Naish, T.,
Niessen, F., Powell, R.D., Wilson, G.S., 2003a. The ANDRILL
initiative: stratigraphic drilling for climatic and tectonic history
in Antarctica. Terra Antartica Report 9, 123– 126.
Florindo, F., Dunbar, R.B., Siegert, M.J., Deconto, R.M.,
Barrett, P.J., Cooper, A.K., Escutia, C., Janecek, T.R., Larter,
R.D., Naish, T.R., Powell, R.D., 2003b. Antarctic climate
evolution (ACE) research initiative. Terra Antartica Report 9,
127– 132.
Florindo, F., Wilson, G.S., Roberts, A.P., Sagnotti, L., Verosub,
K.L., 2005. Magnetostratigraphic chronology of a late Eocene
to early Miocene glacimarine succession from the Victoria
Land Basin, Ross Sea, Antarctica. Glob. Planet. Change 45,
205–226 (this issue).
Flower, B.P., 1999. Cenozoic deep-sea temperatures and polar
glaciation: the oxygen isotope record. Terra Antartica Report
3, 27– 43.
Gersonde, R., Hodell, D.A., Blum, P., et al., 1999. Proc. ODP, Init.
Repts., 177 [Online]. Available from World Wide Web: http://
www-odp.tamu.edu/publications/177_IR/177TOC.HTM.
Gersonde, R., Hodell, D.A., Blum, P. (Eds.), 2003. Proc. ODP, Sci.
Results, 177 [Online]. Available from World Wide Web: http://
www-odp.tamu.edu/publications/177_SR/177sr.htm.
Grqtzner, J., Hillenbrand, C., Rebesco, M., 2005. Terrigenous flux
and biogenic silica deposition at the Antarctic continental rise
during the late Miocene to early Pliocene: implications for ice
sheet stability and sea ice coverage. Glob. Planet. Change 45,
129–147 (this issue).
Hambrey, M.J., et al., (Eds.), 1998. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Scientific results of CRP-1. Terra
Antartica, vol. 5, pp. 255–713.
Haq, B.U., Hardenbol, J., Vail, P.R., 1987. Chronology of fluctuating
sea levels since the Triassic. Science 235, 1156–1167.
Harwood, D.M., Lacy, L., Levy, R.H. (Eds.), 2002. Antarctic
margin drilling: developing a science program plan for
McMurdo sound. ANDRILL SMO Contribution 1, University
of Nebraska-Lincoln, NE. 301 pp.
Hay, W.W., Flfgel, S., Sfding, E., 2005. Is the initiation of
glaciation on Antarctica relate to a change in the structure of the
ocean? Glob. Planet. Change 45, 23–33 (this issue).
Hillenbrand, C., Ehrmann, W., 2005. Late Neogene to Quaternary
environmental changes in the Antarctic Peninsula region:
evidence from drift sediments. Glob. Planet. Change 45,
163–189 (this issue).
Hine, A.C., Feary, D.A., Malone, M.J. (Eds.), 2004. Proc. ODP, Sci.
Results, p. 182 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/182_SR/182sr.htm.
Horgan, H., Naish, T., Bannister, S., Balfour, N., Wilson, G., 2005.
Seismic stratigraphy of the Plio–Pleistocene Ross Island
flexural moat-fill: a prognosis for ANDRILL program drilling
beneath McMurdo–Ross Ice Shelf. Glob. Planet. Change 45,
83–97 (this issue).
Imbrie, J., Imbrie, J.Z., 1980. Modeling the climatic response to
orbital variations. Science 207, 943– 953.
Jamieson, S.S.R., Hulton, N.R.J., Sugden, D.E., Payne, A.J., Taylor,
J., 2005. Cenozoic landscape evolution of the Lambert basin,
East Antarctica: the relative role of rivers and ice sheets. Glob.
Planet. Change 45, 35–49 (this issue).
Junttila, J., Ruikka, M., Strand, K., 2005. Clay mineral assemblages
in high-resolution Plio–Pleistocene interval at ODP site
1165, Prydz Bay, Antarctica. Glob. Planet. Change 45, 149–161
(this issue).
Kennett, J.P., 1977. Cenozoic evolution of Antarctic glaciation, the
circum-Antarctic ocean, and their impact on global oceanography.
J. Geophys. Res. 82, 3843– 3859.
Lear, C.H., Elderfield, H., Wilson, P.A., 2000. Cenozoic deep-sea
temperatures and global ice volumes from Mg/Ca in benthic
foraminiferal calcite. Science 287, 269–272.
Maldonado, A., Barnolas, A., Bohoyo, F., Escutia, C., Galindo-
Zaldı´var, J., Herna´ndez-Molina, J., Jabaloy, A., Lobo, F.J.,
Nelson, C.H., Rodrı´guez-Ferna´ndez, J., Somoza, L., Va´zquez,
J.T., 2005. Miocene to recent contourite drifts development in
the northern Weddell Sea (Antarctica). Glob. Planet. Change 45,
99–128 (this issue).
Naish, T.R., Woolfe, K.J., Barrett, P.J., Wilson, G.S., Atkins, C.,
Bohaty, S.M., Bucker, C.J., Claps, M., Davey, F.J., Dunbar,
G.B., Dunn, A.G., Fielding, C.R., Florindo, F., Hannah, M.J.,
Harwood, D.M., Henrys, S.A., Krissek, L.A., Lavelle, M.,
Meer, J., McIntosh, W.C., Niessen, F., Passchier, S., Powell,
R.D., Roberts, A.P., Sagnotti, L., Scherer, R.P., Strong, C.P.,
Talarico, F., Verosub, K.L., Villa, G., Watkins, D.K., Webb,
P.-N., Wonik, T., 2001. Orbitally induced oscillations in the
east Antarctic ice sheet at the Oligocene/Miocene boundary.
Nature 413, 719–723.
O’Brien, P.E., Cooper, A.K., Richter, C., et al., 2001. Proc. ODP,
Init. Repts., 188 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/188_IR/188ir.htm.
Pollard, D., DeConto, R.M., 2005. Hysteresis in cenozoic
Antarctic ice sheet variations. Glob. Planet. Change 45, 9–21
(this issue).
Shackleton, N.J., Crowhurst, S.J., Weedon, G.P., Laskar, J., 1999.
Astronomical calibration of Oligocene–Miocene time. Philos.
Trans. R. Soc. 357 (1757), 1907– 1929.
Siegert, M.J., Taylor, J., Payne, A.J., 2005. Spectral roughness of
subglacial topography and implications for former ice-sheet
dynamics in East Antarctica. Glob. Planet. Change 45, 239–253
(this issue).
Zachos, J.C., Flower, B.P., Paul, H., 1997. Orbitally paced climate
oscillations across the Oligocene/Miocene boundary. Nature
388, 274– 278.
Zachos, J.C., Pagani, M., Sloan, L., Thomas, E., Billups, K., 2001.
Trends, rhythms, and aberrations in global climate 65 Ma to
Present. Science 292, 686– 693.
ODP, Init. Repts., 178 [Online]. Available from World Wide
Web: http://www-odp.tamu.edu/publications/178_IR/
178TOC.HTM.
Barker, P.F., Camerlenghi, A., Acton, G.D., Ramsay, A.T.S. (Eds.),
2000. Proc. ODP, Sci. Results 178 [Online]. Available from
World Wide Web: http://www-odp.tamu.edu/publications/
178_SR/178sr.htm.
Barrett, P.J., Elston, D.P., Harwood, D.M., McKelvey, B.C., Webb,
P.-N., 1987. Mid-Cenozoic record of glaciation and sea-level
change on the margin of the Victoria Land Basin, Antarctica.
Geology 15, 634–637.
Barrett, P.J., et al., (Eds.), 2000. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Scientific results of CRP-2/2A:
Parts I and II. Terra Antartica, vol. 7, pp. 1 – 665.
Barrett, P.J., et al., (Eds.), 2001. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Scientific results of CRP-3: Parts I
and II. Terra Antartica, vol. 8, pp. 1 – 621.
Bellanca, A., Aghib, F., Neri, R., Sabatino, N., 2005. Bulk
carbonate isotope stratigraphy from CRP-3 core (Victoria
Land Basin, Antarctica): evidence for Eocene–Oligocene
palaeoclimatic evolution. Glob. Planet. Change 45, 227–237
(this issue).
Cape Roberts Science Team, 1998. Initial Report on CRP-1, Cape
Roberts Project, Antarctica. Terra Antarctica 5, 1–187.
Cape Roberts Science Team, 1999. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Initial Report on CRP-2/2A. Terra
Antarctica 6, 1– 173 (with supplement, 245 pp.).
Cape Roberts Science Team, 2000. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Initial Report on CRP-3. Terra
Antarctica 7, 1 – 209 (with supplement, 305 pp.).
Cooper, A.K., O’Brien, P.E., Richter, C. (Eds.), 2004. Proc. ODP,
Sci. Results, 188 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/188_SR/188sr.htm.
Davey, F.J., Barrett, P.J., Cita, M.B., van der Meer, J.J.M.,
Tessensohn, F., Thomson, M., Webb, P.-N., Woolfe, K.J.,
2001. Drilling for Antarctic Cenozoic climate and tectonic
history at Cape Roberts, southwestern Ross Sea. EOS Trans.-
Am. Geophys. Union 82 (48), 585.
Escutia, C., De Santis, L., Donda, F., Dunbar, R.B., Cooper, A.K.,
Brancolini, G., Eittreim, S.L., 2005. Cenozoic ice sheet history
from East Antarctic Wilkes Land continental margin sediments.
Glob. Planet. Change 45, 51–81 (this issue).
Exon, N.F., Kennett, J.P., Malone, M.J., et al., 2001. Proc. ODP,
Init. Repts., 189 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/189_IR/189ir.htm.
Exon, N.F., Kennett, J.P., Malone, M.J. (Eds.), in press. Proc. ODP,
Sci. Results, 189 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/189_SR/189sr.htm.
Feary, D.A., Hine, A.C., Malone, M.J., et al., 2000. Proc. ODP, Init.
Repts., 182 [Online]. Available from World Wide Web: http://
www-odp.tamu.edu/publications/182_IR/182ir.htm.
Finocchiaro, F., Langone, L., Colizza, E., Fontolan, G., Giglio, F.,
Tuzzi, E., 2005. Record of the early Holocene warming in a
laminated sediment core from Cape Hallett Bay (northern
Victoria Land, Antarctica). Glob. Planet. Change 45, 191–204
(this issue).
Florindo, F., Cooper, A.K., O’Brien, P.E. (Eds.), 2003. Antarctic
Cenozoic palaeoenvironments: geologic record and models,
Palaeogeography, Palaeoclimatology, Palaeoecology, 198,
1 –278.
Florindo, F., Francis, J., Harwood, D.M., Levy, R.H., Naish, T.,
Niessen, F., Powell, R.D., Wilson, G.S., 2003a. The ANDRILL
initiative: stratigraphic drilling for climatic and tectonic history
in Antarctica. Terra Antartica Report 9, 123– 126.
Florindo, F., Dunbar, R.B., Siegert, M.J., Deconto, R.M.,
Barrett, P.J., Cooper, A.K., Escutia, C., Janecek, T.R., Larter,
R.D., Naish, T.R., Powell, R.D., 2003b. Antarctic climate
evolution (ACE) research initiative. Terra Antartica Report 9,
127– 132.
Florindo, F., Wilson, G.S., Roberts, A.P., Sagnotti, L., Verosub,
K.L., 2005. Magnetostratigraphic chronology of a late Eocene
to early Miocene glacimarine succession from the Victoria
Land Basin, Ross Sea, Antarctica. Glob. Planet. Change 45,
205–226 (this issue).
Flower, B.P., 1999. Cenozoic deep-sea temperatures and polar
glaciation: the oxygen isotope record. Terra Antartica Report
3, 27– 43.
Gersonde, R., Hodell, D.A., Blum, P., et al., 1999. Proc. ODP, Init.
Repts., 177 [Online]. Available from World Wide Web: http://
www-odp.tamu.edu/publications/177_IR/177TOC.HTM.
Gersonde, R., Hodell, D.A., Blum, P. (Eds.), 2003. Proc. ODP, Sci.
Results, 177 [Online]. Available from World Wide Web: http://
www-odp.tamu.edu/publications/177_SR/177sr.htm.
Grqtzner, J., Hillenbrand, C., Rebesco, M., 2005. Terrigenous flux
and biogenic silica deposition at the Antarctic continental rise
during the late Miocene to early Pliocene: implications for ice
sheet stability and sea ice coverage. Glob. Planet. Change 45,
129–147 (this issue).
Hambrey, M.J., et al., (Eds.), 1998. Studies from the Cape Roberts
Project, Ross Sea, Antarctica. Scientific results of CRP-1. Terra
Antartica, vol. 5, pp. 255–713.
Haq, B.U., Hardenbol, J., Vail, P.R., 1987. Chronology of fluctuating
sea levels since the Triassic. Science 235, 1156–1167.
Harwood, D.M., Lacy, L., Levy, R.H. (Eds.), 2002. Antarctic
margin drilling: developing a science program plan for
McMurdo sound. ANDRILL SMO Contribution 1, University
of Nebraska-Lincoln, NE. 301 pp.
Hay, W.W., Flfgel, S., Sfding, E., 2005. Is the initiation of
glaciation on Antarctica relate to a change in the structure of the
ocean? Glob. Planet. Change 45, 23–33 (this issue).
Hillenbrand, C., Ehrmann, W., 2005. Late Neogene to Quaternary
environmental changes in the Antarctic Peninsula region:
evidence from drift sediments. Glob. Planet. Change 45,
163–189 (this issue).
Hine, A.C., Feary, D.A., Malone, M.J. (Eds.), 2004. Proc. ODP, Sci.
Results, p. 182 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/182_SR/182sr.htm.
Horgan, H., Naish, T., Bannister, S., Balfour, N., Wilson, G., 2005.
Seismic stratigraphy of the Plio–Pleistocene Ross Island
flexural moat-fill: a prognosis for ANDRILL program drilling
beneath McMurdo–Ross Ice Shelf. Glob. Planet. Change 45,
83–97 (this issue).
Imbrie, J., Imbrie, J.Z., 1980. Modeling the climatic response to
orbital variations. Science 207, 943– 953.
Jamieson, S.S.R., Hulton, N.R.J., Sugden, D.E., Payne, A.J., Taylor,
J., 2005. Cenozoic landscape evolution of the Lambert basin,
East Antarctica: the relative role of rivers and ice sheets. Glob.
Planet. Change 45, 35–49 (this issue).
Junttila, J., Ruikka, M., Strand, K., 2005. Clay mineral assemblages
in high-resolution Plio–Pleistocene interval at ODP site
1165, Prydz Bay, Antarctica. Glob. Planet. Change 45, 149–161
(this issue).
Kennett, J.P., 1977. Cenozoic evolution of Antarctic glaciation, the
circum-Antarctic ocean, and their impact on global oceanography.
J. Geophys. Res. 82, 3843– 3859.
Lear, C.H., Elderfield, H., Wilson, P.A., 2000. Cenozoic deep-sea
temperatures and global ice volumes from Mg/Ca in benthic
foraminiferal calcite. Science 287, 269–272.
Maldonado, A., Barnolas, A., Bohoyo, F., Escutia, C., Galindo-
Zaldı´var, J., Herna´ndez-Molina, J., Jabaloy, A., Lobo, F.J.,
Nelson, C.H., Rodrı´guez-Ferna´ndez, J., Somoza, L., Va´zquez,
J.T., 2005. Miocene to recent contourite drifts development in
the northern Weddell Sea (Antarctica). Glob. Planet. Change 45,
99–128 (this issue).
Naish, T.R., Woolfe, K.J., Barrett, P.J., Wilson, G.S., Atkins, C.,
Bohaty, S.M., Bucker, C.J., Claps, M., Davey, F.J., Dunbar,
G.B., Dunn, A.G., Fielding, C.R., Florindo, F., Hannah, M.J.,
Harwood, D.M., Henrys, S.A., Krissek, L.A., Lavelle, M.,
Meer, J., McIntosh, W.C., Niessen, F., Passchier, S., Powell,
R.D., Roberts, A.P., Sagnotti, L., Scherer, R.P., Strong, C.P.,
Talarico, F., Verosub, K.L., Villa, G., Watkins, D.K., Webb,
P.-N., Wonik, T., 2001. Orbitally induced oscillations in the
east Antarctic ice sheet at the Oligocene/Miocene boundary.
Nature 413, 719–723.
O’Brien, P.E., Cooper, A.K., Richter, C., et al., 2001. Proc. ODP,
Init. Repts., 188 [Online]. Available from World Wide Web:
http://www-odp.tamu.edu/publications/188_IR/188ir.htm.
Pollard, D., DeConto, R.M., 2005. Hysteresis in cenozoic
Antarctic ice sheet variations. Glob. Planet. Change 45, 9–21
(this issue).
Shackleton, N.J., Crowhurst, S.J., Weedon, G.P., Laskar, J., 1999.
Astronomical calibration of Oligocene–Miocene time. Philos.
Trans. R. Soc. 357 (1757), 1907– 1929.
Siegert, M.J., Taylor, J., Payne, A.J., 2005. Spectral roughness of
subglacial topography and implications for former ice-sheet
dynamics in East Antarctica. Glob. Planet. Change 45, 239–253
(this issue).
Zachos, J.C., Flower, B.P., Paul, H., 1997. Orbitally paced climate
oscillations across the Oligocene/Miocene boundary. Nature
388, 274– 278.
Zachos, J.C., Pagani, M., Sloan, L., Thomas, E., Billups, K., 2001.
Trends, rhythms, and aberrations in global climate 65 Ma to
Present. Science 292, 686– 693.
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