-
1
-
-
0033766465
-
-
E. J. Brook, S. Harder, J. Severingtiaus, E. J. Steig, C. M. Sucher, Global Biogeochem. Cycles 14, 559 (2000).
-
(2000)
Global Biogeochem. Cycles
, vol.14
, pp. 559
-
-
Brook, E.J.1
Harder, S.2
Severingtiaus, J.3
Steig, E.J.4
Sucher, C.M.5
-
2
-
-
0013372813
-
-
American Geophysical Union, Washington, DC
-
J. P. Kennett, K. G. Cannariato, I. L. Hendy, R. J. Behl, Methane Hydrates in Quaternary Climate Change (American Geophysical Union, Washington, DC, 2003).
-
(2003)
Methane Hydrates in Quaternary Climate Change
-
-
Kennett, J.P.1
Cannariato, K.G.2
Hendy, I.L.3
Behl, R.J.4
-
3
-
-
0001752538
-
-
M. A. K. Khalil, Ed. NATO ASI Series, Springer, Berlin
-
M. J. Whiticar, in Atmospheric Methane: Sources, Sinks and Role in Global Change, M. A. K. Khalil, Ed. (NATO ASI Series, Springer, Berlin, 1993), vol. 113, pp. 138-167.
-
(1993)
Atmospheric Methane: Sources, Sinks and Role in Global Change
, vol.113
, pp. 138-167
-
-
Whiticar, M.J.1
-
5
-
-
33646343469
-
-
V. V. Petrenko, J. P. Severinghaus, E. J. Brook, N. Reeh, H. Schaefer, Quat. Sci. Rev. 25, 865 (2006).
-
(2006)
Quat. Sci. Rev.
, vol.25
, pp. 865
-
-
Petrenko, V.V.1
Severinghaus, J.P.2
Brook, E.J.3
Reeh, N.4
Schaefer, H.5
-
6
-
-
33748042413
-
-
note
-
Years before the present are reported relative to 1950 A.D.
-
-
-
-
7
-
-
0032495498
-
-
J. P. Severinghaus, T. Sowers, E. J. Brook, R. B. Alley, M. L. Bender, Nature 391, 141 (1998).
-
(1998)
Nature
, vol.391
, pp. 141
-
-
Severinghaus, J.P.1
Sowers, T.2
Brook, E.J.3
Alley, R.B.4
Bender, M.L.5
-
8
-
-
33748040904
-
-
note
-
Additional information on materials and methods is available on Science Online.
-
-
-
-
9
-
-
32044449399
-
-
10.1029/2001JD000630
-
J. B. Miller et al., J. Geophys. Res. 107, 10.1029/2001JD000630 (2002).
-
(2002)
J. Geophys. Res.
, vol.107
-
-
Miller, J.B.1
-
11
-
-
0024189442
-
-
H. Craig, C. C. Chou, J. A. Welhan, C. M. Stevens, A. Engelkemeir, Science 242, 1535 (1988).
-
(1988)
Science
, vol.242
, pp. 1535
-
-
Craig, H.1
Chou, C.C.2
Welhan, J.A.3
Stevens, C.M.4
Engelkemeir, A.5
-
12
-
-
24644480916
-
-
D. F. Ferretti et al., Science 309, 1714 (2005).
-
(2005)
Science
, vol.309
, pp. 1714
-
-
Ferretti, D.F.1
-
16
-
-
20444506393
-
-
B. Luyendyk, J. P. Kennett, J. F. Clark, Marine Petrol. Geol. 22, 591 (2005).
-
(2005)
, vol.22
, pp. 591
-
-
Luyendyk, B.1
Kennett, J.P.2
Clark, J.F.3
Geol, M.P.4
-
18
-
-
30544452959
-
-
F. Keppler, J. T. G. Hamilton, M. BraB, T. Röckmann, Nature 439, 187 (2006).
-
(2006)
Nature
, vol.439
, pp. 187
-
-
Keppler, F.1
Hamilton, J.T.G.2
Brab, M.3
Röckmann, T.4
-
20
-
-
24644454784
-
-
10.1029/2004JD0005650
-
W. Allan, D. C. Lowe, A. J. Gomez, H. Struthers, G. W. Brailsford, J. Geophys. Res. 110, 10.1029/2004JD0005650 (2005).
-
(2005)
J. Geophys. Res.
, vol.110
-
-
Allan, W.1
Lowe, D.C.2
Gomez, A.J.3
Struthers, H.4
Brailsford, G.W.5
-
21
-
-
33748084835
-
-
note
-
WT, Accordingly, all reported sensitivity tests, including the ones on past changes in expand transition isotope budgets, have been carried out with and without a MBL sink.
-
-
-
-
23
-
-
33748060318
-
-
note
-
4] from current estimates (13, 20) to account for decreased loss rates at lower concentrations.
-
-
-
-
27
-
-
0027799991
-
-
A. M. Thompson, J. A. Chappellaz, I. Y. Fung, T. L. Kucsera, Tellus 45B, 242 (1993).
-
(1993)
Tellus
, vol.45 B
, pp. 242
-
-
Thompson, A.M.1
Chappellaz, J.A.2
Fung, I.Y.3
Kucsera, T.L.4
-
31
-
-
0035861526
-
-
Y. J. Wang et al., Science 294, 2345 (2001).
-
(2001)
Science
, vol.294
, pp. 2345
-
-
Wang, Y.J.1
-
32
-
-
3042616211
-
-
K. A. Hughen, T. I. Eglinton, L. Xu, M. Makou, Science 304, 1955 (2004).
-
(2004)
Science
, vol.304
, pp. 1955
-
-
Hughen, K.A.1
Eglinton, T.I.2
Xu, L.3
Makou, M.4
-
33
-
-
0344403645
-
-
L. M. Francois, C. Delire, P. Warnant, G. Munhoven, Global Planet. Change 16-17, 37 (1998).
-
(1998)
Global Planet. Change
, vol.16-17
, pp. 37
-
-
Francois, L.M.1
Delire, C.2
Warnant, P.3
Munhoven, G.4
-
34
-
-
1342269842
-
-
10.1029/2002JD003042
-
A. L. Rice, S. C. Tyler, M. C. McCarthy, K. A. Boering, E. Atlas, J. Geophys. Res. 108, 10.1029/2002JD003042 (2003).
-
(2003)
J. Geophys. Res.
, vol.108
-
-
Rice, A.L.1
Tyler, S.C.2
McCarthy, M.C.3
Boering, K.A.4
Atlas, E.5
-
35
-
-
33748080259
-
-
note
-
We thank N. Reeh and his team from the Technical University of Denmark for field collaboration and helpful discussions; P. Rose for field support; and P. Eby, L. Bjerkelund, P. Franz, K. Riedel, G. Brailsford, and R. Martin for laboratory assistance. Suggestions by two anonymous reviewers greatly improved this manuscript. The project was supported by a German Academic Exchange Service (DMD) fellowship (H.S.), a Canadian Centre for Climate Modeling and Analysis Environment Canada grant (M.J.W.), a Natural Sciences and Engineering Research Council Discovery Grant (M.J.W.), Canadian Foundation for Climate and Atmospheric Sciences Project Grant GR-417 (M.J.W.), and NSF grants OPP-0221410 (E.J.B.) and OPP-0221470 (J.P.S.).
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