Carbon and climate system coupling on timescales from the precambrian to the anthropocene

Annual Review of Environment and Resources

Volumn 32, Issue , 2007, Pages 31-66

  Doney, Scott C ^a   Schimel, David S ^b  

^a WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

^b NATIONAL CENTER FOR ATMOSPHERIC RESEARCH   (United States)

Author keywords

Biogeochemistry; Carbon cycle; Carbon dioxide; Geological timescales; Global warming

Indexed keywords

ANTHROPOCENE; CARBON CYCLES; GEOLOGICAL TIMESCALES; HISTORICAL TIMESCALES;

ATMOSPHERIC CHEMISTRY; BIOGEOCHEMISTRY; CARBON DIOXIDE; GAS EMISSIONS; GLOBAL WARMING; GREENHOUSE GASES;

ENVIRONMENTAL ENGINEERING;

EID: 37049015327     PISSN: 15435938     EISSN: None     Source Type: Book Series    
DOI: 10.1146/annurev.energy.32.041706.124700     Document Type: Article

References (246)

1. 2 concentrations. Nature 379:240-43
2. Hansen J, Nazarenko L, Ruedy R, Sato M, Willis J, et al. 2005. Earth's energy imbalance: confirmation and implications. Science 308:1431-35
3. Intergov. Panel Clim. Change. 2007. Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, ed. S Solomon, D Qin, M Manning, Z Chen, M Marquis, et al. Cambridge, UK/New York: Cambridge Univ. Press
4. Cox PM, Betts RA, Jones CD, Spall SA, Totterdell IJ, 2000. Acceleration of global warming due to carbon-cycle feedbacks in a coupled climate model. Nature 408:184-87
5. Fung I, Doney SC, Lindsay K, John J. 2005. Evolution of carbon sinks in a changing climate. Proc. Natl. Acad. Sci. USA 102:11201-6
6. Smith SJ, Edmonds JA. 2006. The economic implication of carbon cycle uncertainty. Teullus B 56:586-90
7. 2 concentrations over the past 420 million years. Nature 446:530-33
8. Bousquet P, Peylin P, Ciais P, Le Quéré C, Friedlingstein P, Tans PP. 2000. Regional changes in carbon dioxide fluxes of land and oceans since 1980. Science 290:1342-46
9. Petit JR, Jouzel J, Raynaud D, Barkov NI, Barnola JM. 1999. Climate and atmospheric history of the past 420000 years from the Vostok ice core, Antarctica. Nature 399:429-36
10. 2-forced climate thresholds during the Phanerozoic. Geochim. Cosmochim. Acta 70:5665-75
11. Dilling L, Doney SC, Edmonds J, Gurney KR, Harriss R, et al. 2003. The role of carbon cycle observations and knowledge in carbon management. Annu. Rev. Environ. Resour. 28:521-58
12. 2 emissions. Proc. Natl. Acad. Sci. USA 104:10288-93
13. Hansen JE, Sato M., Lacis A, Ruedy R, Tegen I, Matthews E. 1998. Climate forcings in the industrial era. Proc. Natl. Acad. Sci. USA 95:12753-58
14. Sundquist ET. 1986. Geologic analogs: their value and limitations in carbon dioxide research. In The Changing Carbon Cycle: A Global Analysis, ed. JR Trabalka, DE Reichle, pp. 371-402. New York: Springer-Verlag
15. Berner RA. 2003. The long-term carbon cycle, fossil fuels and atmospheric composition. Nature 426:323-26
16. Sarmiento JL, Gruber N. 2002. Sinks for anthropogenic carbon. Phys. Today 55:30-36
17. Moore B, Braswell BH. 1994. The lifetime of excess atmospheric carbon-dioxide. Glob. Biogeochem. Cycles 8:23-38
18. 3. Glob. Biogeochem, Cycles 12:259-76
19. 4MIP model intercomparison. J. Climate 19:3337-53
20. Holland HD. 1984. The Chemical Evolution of the Atmosphere and Oceans. Princeton, NJ: Princeton Univ. Press
21. Kasting JF, Howard MT. 2006. Atmospheric composition and climate on the early Earth. Philos. Trans. R. Soc. London Ser. B 361:1733-42
22. "Fian F, Toon OB, Pavlov AA, De Sterek H. 2005. A hydrogen rich early Earth atmosphere. Science 308:1014-17
23. Hayes JM, Waldbauer JR. 2006. The carbon cycle and associated redox processes through time. Philos. Trans. R. Soc. London Ser. B 361:931-50
24. Eigenbrode JL, Freeman KH. 2006. Late Archean rise of aerobic microbial ecosystems. Proc. Natl. Acad. Sci. USA 103:15759-64
25. Farquhar J, Wing BA. 2003. Multiple sulfur isotopes and the evolution of the atmosphere. Earth Planet. Sci. Lett. 213:1-13
26. Bekker A, Holland HD, Wang P-L, Rumble III D, Stein HJ, et al. 2004. Dating the rise of atmospheric oxygen. Nature 427:117-20
27. Ohmoto H, Watanabe Y, Ikemi H, Poulson SR, Taylor BE. 2006. Sulphur isotope evidence for an oxic Archaean atmosphere. Nature 442:908-11
28. Canfield DE. 1998. A new model for Proterozoic ocean chemistry. Nature 396:450-53
29. Poulton SW, Fralick PW, Canfield DE. 2004. The transition to a sulphidic ocean ∼ 1.84 billion years ago. Nature 431:173-77
30. Fike DA, Cirotzinger JP, Pratt LM, Summons RE. 2006. Oxidation of the Ediacaran Ocean. Nature 444:744-47
31. Canfield DE, Poulton SW, Narbonne GM. 2007. Late-Neoproterozoic deep-ocean oxygenation and the rise of animal life. Science 315:92-95
32. Catling DC, Zahnle KJ, McKay CP. 2001. Biogenic methane, hydrogen escape, and the irreversible oxidation of the early Earth. Science 293:839-43
33. 3. Rothman DH, Hayes JM, Summons RE. 2003. Dynamics of the Neoproterozoic carbon cycle. Proc. Natl. Acad. Sci. USA 100:8124-29
34. Kasting JF, Ono S. 2006. Paleoclimates: the first two billion years. Philos. Trans. R. Soc. London Ser. B 361:917-29
35. Sagan C, Mullen G. 1972. Earth and Mars: evolution of atmospheres and surface temperatures. Science 177:52-56
36. Kasting JF, Howard MT. 2006. Atmospheric composition and climate on the early Earth. Philos. Trans. R. Soc. London Ser. B 361:1733-42
37. Robert F, Chaussidon M. 2006. A palaeotemperature curve for the Precambrian oceans based on silicon isotopes in cherts. Nature 443:969-72
38. Kirschvink JL. 1992. Late Proterozoic low-latitude global glaciation: the snowball Earth. In The Proterozoic Biosphere: A Multidisciplinary Study, ed JW Schofp, C Klein, pp. 51-52. New York: Cambridge Univ. Press
39. Hoffman PF, Schrag DP. 2002. The snowball Earth hypothesis: testing the limits of global change. Terra Nova 14:129-55
40. Kennedy MJ, Christie-Blick N, Sohl LE. 2001. Are Proterozoic cap carbonates and isotopic excursions a record of gas hydrate destabilization following Earth's coldest intervals? Geology 29:443-46
41. Hayes JM. 1994. Global methanotrophy at the Archean-Proterozoic transition. In Early Life on Earth. Nobel Symp. 84, ed. S Bengston, pp. 220-36. New York: Columbia Univ. Press
42. Kopp RE, Kirschvink JL, Hilburn IA, Nash CZ. 2005. The paleoproterozoic snowball Earth: a climate disaster triggered by the evolution of oxygenic photosynthesis. Proc. Natl. Acad. Sci. USA 102:11131-36
43. 2. Proc. Natl. Acad. Sci. USA 102:1302-5
44. 2 over Phanerozoic time. Am. J. Sci. 291:339-76
45. 2. Oxford: Oxford Univ. Press. 150 pp
46. 2 and climate change. Science 292:870-72
47. 2 change: evaluating geochemical and paleobiological approaches. Earth Sci. Rev. 54:349-92
48. Cerling TE. 1991. Carbon dioxide in the atmosphere; evidence from Cenozoic and Mesozoic paleosols. Am. J. Sci. 291:377-400
49. Ekart DD, Cerling TE, Montanez IP, Tabor NJ. 1999. A 400 million year carbon isotope record of pedogenic carbonate: implications for paleoatmospheric carbon dioxide. Am. J. Sci. 299:805-27
50. Retallack GJ. 2001. A 300-million-year record of atmospheric carbon dioxide from fossil plant cuticles. Nature 411:287-90
51. 2 levels during the Permo-Carboniferous glaciation inferred from fossil lycopsids. Proc. Natl. Acad. Sci. USA 99:12567-71
52. Pagani M, Zachos JC, Freeman KH, Tipple B, Bohatý S. 2005. Marked decline in atmospheric carbon dioxide concentrations during the Paleogene. Science 309:600-3
53. 2 levels: experimental evidence and a Cretaceous case study. Glob. Biogeochem. Cycl. 19:GB3012, doi: 10.1029/2005GB002495
54. Pearson PN, Palmer MR. 2000. Atmospheric carbon dioxide concentrations over the past 60 million years. Nature 406:695-99
55. Pagani M, Lemarchand D, Spivack A, Gaillardet J. 2005. A critical evaluation of the boron isotope-pH proxy: the accuracy of ancient ocean pH estimates. Geochim. Cosmochim. Acta 69:953-61
56. 2 over Phanerozoic time. Am. J. Sci. 301:182-204
57. 2 and climate. Geochim. Cosmochim. Acta 65:3005-25
58. Bergman NM, Lenton TM, Watson AJ. 2004. COPSE: a new model of biogeochemical cycling over Phanerozoic time. Am. J. Sci. 304:397-437
59. Katz ME, Wright JD, Miller KG, Cramer BS, Fennel K, Falkowski PG. 2005. Biological overprint of the geological carbon cycle. Mar. Geol. 217:323-38
60. Falkowski PG, Katz ME, Milligan AJ, Fennel K, Cramer BS, et al. 2005. The rise of oxygen over the past 205 million years and the evolution of large placental mammals. Science 309:2202-4
61. Crowley TJ, North GR. 1991. Paleoclimatology. New York: Oxford Univ. Press
62. Zachos J, Pagani M, Sloan L, Thomas E, Billups K. 2001. Trends, rythms, and aberrations in global climate 65 Ma to present. Science 292:686-93
63. Miller KG, Kominz MA, Browning JV, Wright JD, Mountain GS, et al. 2005. The Phanerozoic record of global sea-level change. Science 310:1293-98
64. 2 as a primary driver of Phanerozoic climate. GSA Today 14:4-10
65. Eldrett JS, Harding IC, Wilson PA, Butler E, Roberts AP. 2007, Continental ice in Greenland during the Eocene and Oligocene. Nature 446:176-79
66. 2. Nature 421:245-49
67. Pollard D, DeConto RM. 2005. Hysteresis in Cenozoic Antarctic ice-sheet variations. Glob. Planet. Change 45:9-21
68. Kiehl JT, Shields CA. 2005. Climate simulation of the latest Permian: implications for mass extinction. Geology 33:757-60
69. Hyde WT, Grossman EL, Crowley TJ, Pollard D, Scotese CR. 2006. Siberian glaciation as a constraint on Permian-Carboniferous CO2 levels. Geology 34:421-24
70. 2 concentrations. Paleoceanography 21:PA2002
71. 2 consumption rates deduced from the chemistry of large rivers. Chem. Geol. 159:3-30
72. Walker JCG, Hays PB, Kasting JF. 1981. A negative feed back mechanism for the longterm stabilization of Earth's surface temperature. J. Geophys. Res. 86:9776-82
73. Berner RA, Lasaga AC, Garrels RM. 1983. The carbonate-silicate geochemical cycle and its effect on atmospheric carbon dioxide over the past 100 million years. Am, J. Sci. 283:641-83
74. Palike H, Norris RD, Herrle JO, Wilson PA, Coxall HK, et al. 2006. The heartbeat of the Oligocene climate system. Science. 314:1894-98
75. Raymo ME, Ruddiman WF, Froelich PN. 1988. Influence of late Cenozoic mountain building on ocean geochemical cycles. Geology 16:649-53
76. Molnar P, England P, Martinod J. 1993. Mantle dynamics, uplift of the Tibetan Plateau, and the Indian monsoon. Rev. Geophys. 31:357-96
77. Gibbs MT, Bluth GJS, Fawcett PJ, Kump LR. 1999. Global chemical erosion over the last 250 My: variations due to changes in paleogeography, paleoclimate, and paleogeology. Am. J. Sci. 299:611-51
78. Donnadieu Y, Godderis Y, Pierrehumbert R, Dromart G, Fluteau F, Jacob R. 2006. A GEOCLIM simulation of climatic and biogeochemical consequences of Pangea breakup. Geochem, Geophys. Geosystems 7:Q11019, doi:10.1029/2006GC001278
79. Squire RJ, Campbell IH, Allen CM, Wilson CJL. 2006. Did the Transgondwanan Supermountain trigger the explosive radiation of animals on Earth? Earth Planet. Sci. Lett. 250:116-33
80. Berner RA. 1998. The carbon cycle and carbon dioxide over Phanerozoic time: the role of land plants. Philos. Trans. R. Soc. London Ser. B 353:75-82
81. Ehleringer JR, Sage RF, Flanagan LB, Pearcy RW. 1991. Climate change and the evolution of C4 photosynthesis. Trends Ecol. Evol. 6:95-99
82. Zachos JC, Wara MW, Bohaty S, Delaney ML, Petrizzo MR, et al. 2003. A transient rise in tropical sea surface temperature during the Paleocene-Eocene thermal maximum. Science 302:1551-54
83. Zachos JC, Rohl U, Schellenberg SA, Hodell D, Thomas E, et al. 2005. Rapid acidification of the ocean during the Paleocene-Eocene thermal maximum. Science 308:1611-15
84. Thomas DJ, Zachos JC, Bralower TJ, Thomas E, Bohatý S. 2002. Warming the fuel for the fire: evidence for the thermal dissociation of methane during the Paleocene-Eocene thermal maximum. Geology 30:1067-70
85. Dickens GR, O'Neil JR, Rea DK, Owen RM. 1995. Dissociation of oceanic methane hydrate as a cause of the carbon isotope excursion at the end of the Paleocene. Paleoceanography 10:965-71
86. Dickens GR, Castillo MM, Walker JCG. 1997. A blast of gas in the latest Paleocene; simulating first-order effects of massive dissociation of oceanic methane hydrate. Geology 25:259-62
87. Kurtz AC, Kump LR, Arthur MA, Zachos JC, Paytan A. 2003. Early Cenozoic decoupling of the global carbon and sulfur cycles. Paleoceanography 18:1090, doi:10.1029/2003PA000908
88. Svensen H, Planke S, Malthe-Sorenssen A, Jamtveit B, Myklebust R, et al. 2004. Release of methane from a volcanic basin as a mechanism for initial Eocene global warming. Nature 429:542-45
89. Kent DV, Cramer BS, Land L, Wang D, Wright JD, Van der Voo R. 2003. A case for a comet impact trigger for the Paleocene/Eocene thermal maximum and carbon isotope excursion. Earth Planet. Sci. Lett. 211:13-26
90. Higgins JA, Schrag DP. 2006. Beyond methane: towards a theory for the PaleoceneEocene thermal maximum. Earth Planet. Sci. Lett. 245:523-37
91. Berner RA. 2002. Examination of hypotheses for the Permo-Triassic boundary extinction by carbon cycle modeling. Proc. Natl. Acad. Sci. USA 99:4172-77
92. Hesselbo SP, Grocke DR, Jenkyns HC, Bjerrum CJ, Farrimond P, et al. 2000. Massive dissociation of gas hydrate during a Jurassic oceanic anoxic event. Nature 406:392-95
93. 2 and palaeoclimate: a Late Jurassic-Early Cretaceous carbon and oxygen isotope record. J. Geol. Soc. 161:695-702
94. Barnola JM, Raynaud D, Korotkevich YS, Lorius C. 1987. Vostok ice core provides 160,000-year record of atmospheric CO2. Nature 329:408-14
95. Spahni R, Chappellaz J, Stocker TF, Loulergue L, Hausammann G, et al. 2005. Atmospheric methane and nitrous oxide of the late Pleistocene from Antarctic ice cores. Science 310:1317-21
96. Jouzel J, Lorius C, Petit JR, Genthon C, Barkov NI, et al. 1987. Vostok ice core: a continuous isotope temperature record over the last climatic cycle (160,000 years). Nature 329:403-8
97. Jouzel J, Vimeux F, Caillon N, Delaygue G, Hoffmann G, et al. 2003. Magnitude of isotope/temperature scaling for interpretation of central Antarctic ice cores. J. Geophys. Res. 108D:4361
98. Alley RB, Cuffey KM. 2001. Oxygen- and hydrogen-isotopic ratios of water in precipitation: beyond paleothermometry. In Stable Isotope Geochemistry, Reviews in Mineralogy and Geochemistry, Vol. 43, ed. JW Valley, D Cole, pp. 527-53. Chantilly, VA: Mineral. Soc. Am.
99. Wolff EW, Fischer H, Fundel F, Ruth U, Twarloh B, et al. 2006. Southern Ocean sea-ice extent, productivity and iron flux over the past eight glacial cycles. Nature 440:491-96
100. Sowers T, Alley RB, Jubenville J. 2003. Ice core records of atmospheric N2O covering the last 106,000 years. Science 301:945-48
101. Shackleton NJ. 1987. Oxygen isotopes, ice volume and sea level. Quat. Sci. Rev. 6:183-90
102. Shackleton NJ. 2000. The 100,000-year ice-age cycle identified and found to lag temperature, carbon dioxide, and orbital eccentricity. Science 289:1897-902
103. Elderfield H, Ganssen G. 2000. Past temperature and delta O-18 of surface ocean waters inferred from foraminiferal Mg/Ca ratios. Nature 405:442-45
104. Siddall M, Rohling EJ, Almogi-Labin A, Hemleben C, Meischner D, et al. 2003. Sea-level fluctuations during the last glacial cycle. Nature 423:853-58
105. Bard E, Rostek F, Sonzogni C. 1997. Interhemispheric synchrony of the last deglaciation inferred from alkenone palaeothermometry. Nature 385:707-10
106. Mollenhauer G, Eglinton TI, Ohkuchi N, Schneider RR, Muller PJ, et al. 2003. Asynchronous alkenone and foraminfera records from the Benguela Upwelling System. Geochim. Cosmochim, Acta 67:2157-71
107. 18O of the glacial deep ocean. Science 298:1769-73
108. CLIMAP Proj. Memb. 1976. The surface of the ice-age Earth. Science 191:1131-37
109. CLIMAP Proj. Memb. 1981. Seasonal reconstructions of the of the Earth's surface at the Last Glacial Maximum. Geol. Soc. Am. Map Chart Ser. Rep. MC-36, Geol. Soc. Am., Boulder CO. pp. 18
110. Pflaumann U, Sarnthein M, Chapman M, d'Abreu L, Funnell B, et al. 2003. Glacial North Atlantic: sea-surface conditions reconstructed by GLAMAP 2000. Paleoceanography 18:1065
111. Gersonde R, Crosta X, Abelmann A, Armand L. 2005. Sea-surface temperature and sea lee distribution of the Southern Ocean at the EPILOG Last Glacial Maximum: a circum-Antarctic view based on siliceous microfossil records. Quat. Sci. Rev. 24:869-96
112. Bard E, Hamelin B, Fairbanks RG. 1990. U-Th ages obtained by mass-spectrometry in corals from Barbados: sea level during the past 130,000 years. Nature 346:456-58
113. Thompson WG, Goldstein SL. 2005. Open-system coral ages reveal persistent suborbital sea-level cycles. Science 308:401-4
114. Crowley TJ. 1995. Ice age terrestrial carbon changes revisited. Glob. Biogeochem. Cycles 9:377-89
115. Boyle EA, Keigwin LD. 1982. Deep circulation of the North Atlantic over the last 200,000 years: geochemical evidence. Science 218:784-87
116. 2 in the western Atlantic Ocean. Paleoceanography 20:PA1017, doi:10.1029/2004PA001021
117. Sigman DM, Altabet MA, Francois R, McCorkle DC, Gaillard J-F. 1999. The isotopic composition of diatom-bound nitrogen in Southern Ocean sediments. Paleoceanography 14:118-34
118. 14N: new support for enhanced nutrient consumption in the ice age subantarctic. Paleoceanography 20:PA3003, doi:0.1029/200PA00014
119. Deutsch C, Sigman DM, Thunell RC, Meckler AN, Haug GH. 2004. Isotopic constraints on glacial/interglacial changes in the oceanic nitrogen budget. Glob. Biogeochem. Cycles 18:GB4012, doi:10.1029/2003GB002189
120. 2. Earth Planet. Sci. Lett. 231:317-36
121. 2 cycles, Science 308:74-78
122. Hughen K, Lehman S, Southon J, OverpeckJ, Marchai O, et al. 2004. C-14 activity and global carbon cycle changes over the past 50,000 years. Science 303:202-7
123. 14C calibration and activity record for the past 50,000 years updated from the Cariaco Basin. Quat. Sci. Rev. 25:3216-27
124. Robinson LF, Adkins JF, Keigwin LD, SouthonJ, Fernandez DP, et al. 2005. Radiocarbon variability in the western North Atlantic during the last deglaciation. Science 310:1469-73
125. Siegenthaler U, Stocker TF, Monnin E, Luthi D, Schwander J, et al. 2005. Stable carbon cycle-climate relationship during the late Pleistocene. Science 310:1313-17
126. Eur. Proj. Ice Coring Antarct. (EPICA) Community Memb. 2004. Eight glacial cycles from an Antarctic ice core. Nature 429:623-28
127. 2 in the Taylor Dome, Dome C and DML ice cores. Earth Planet. Sci. Lett. 224:45-54
128. Hays JD, Imbrie J, Shackleton NJ. 1976. Variations in the Earth's orbit: pacemaker of the ice ages. Science 194:1121-32
129. Imbrie J, Imbrie JZ. 1980. Modeling the climatic response to orbital variations. Science 207:943-53
130. Imbrie J, Berger A, Boyle EA, Clemens SC, Duffy A, et al. 1993. On the structure and origin of major glaciation cycles 2. The 100,000-year cycle. Paleoceanography 8:699-735
131. Gildor H, Tziperman E. 2000. Sea ice as the glacial cycles' climate switch: role of seasonal and orbital forcing. Paleoceanography 15:605-15
132. Pelletier J. 2003. Coherence resonance and ice ages. J. Geophys. Res. 108:4645, doi:10.1029/2002JD003120
133. Wunsch C. 2003. The spectral description of climate change including the 100 ky energy. Clim. Dyn. 20:353-63
134. Huybers P, Wunsch C. 2005. Obliquity pacing of the late Pleistocene glacial terminations. Nature 434:491-94
135. Tziperman E, Raymo ME, Huybers P, Wunsch C. 2006. Consequences of pacing the Pleistocene 100 kyr ice ages by nonlinear phase locking to Milankovitch forcing. Paleoceanography 21 :PA4206
136. Severinghaus JP, Sowers T, Brook EJ, Alley RB, Bender ML. 1998. Timing of abrupt climate change at the end of the Younger Dryas interval from thermally fractionated gases in polar ice. Nature 391:141-46
137. Severinghaus JP, Brook FJ. 1999. Abrupt climate change at the end of the last glacial period inferred from trapped air in polar ice. Science 286:930-34
138. Brook EJ, White JWC, Schilla ASM, Bender ML, Barnett B, et al. 2005. Timing of millennial-scale climate change at Siple Dome, West Antarctica, during the last glacial period. Quat. Sci. Rev. 24:1333-43
139. Hughen KA, Southon JR, Lehman SJ, Overpeck JT. 2000. Synchronous radiocarbon and climate shifts during the last deglaciation. Science 290:1951-54
140. Hughen KA, Eglinton TI, Xu L, Makou M. 2004. Abrupt tropical vegetation response to rapid climate changes. Science 304:1955-59
141. 2 concentrations over the last glacial termination. Science 291:112-14
142. Caillon N, Severinghaus JP, Jouzel J, Barnola J-M, Kang J, Lipenkov VY. 2003. Temperature changes across termination III. Science 299:1728-31
143. Alley RB, Brook EJ, Anandakrishnan S. 2002. A northern lead in the orbital band: North-South phasing of Ice-Age events. Quat. Sci. Rev. 21:431-41
144. 2 changes. Paleoceanography 13:352-64
145. Johnston TC, Alley RB. 2006. Possible role for dust or other northern forcing of ice-age carbon dioxide changes. Quat. Sci. Rev. 25:3198-206
146. Lorius C, Jouzel J, Raynaud D, Hansen J, Lc Treut H. 1990. The ice-core record: climate sensitivity and future greenhouse warming. Nature 347:139-45
147. Otto-Bliesner BL, Brady KC, Clauzct G, Tomas R, Levis S, Kothavala Z. 2006. Last Glacial Maximum and Holocene climate in CCSM3. J. Clim, 19:2526-44
148. Brook EJ, Harder S, Severinghaus JP, Steig EJ, Sucher CM. 2000. On the origin and timing of rapid changes in atmospheric methane during the last glacial period. Glob. Biogeochem. Cycles 14:559-72
149. Shin S-I, Liu Z, Otto-Bliesner B, Brady EC, Kutzbach JE, Harrison SP. 2003. A simulation of the Last Glacial Maximum climate using the NCAR-CCSM. Clim. Dyn. 20:127-51
150. Lea DW, Pak DK, Peterson LC, Hughen KA. 2003. Synchroneity of tropical and highlatitude Atlantic temperatures over the last glacial termination. Science 301:1361-64
151. Kaplan JCD, Prentice IC, Knorr W, Valdes PJ. 2002. Modeling the dynamics of terrestrial carbon storage since the Last Glacial Maximum. Geophys. Res. Lett. 29:2074, doi:10.1029/2002GL015230
152. Sigman DM, Boyle EA. 2000. Glacial/interglacial variations in atmospheric carbon dioxide. Nature 407:859-69
153. Broecker WS. 1982. Glacial to interglacial changes in ocean chemistry. Prog. Oceanogr. 2:151-97
154. Broecker WS, Denton GH. 1989. The role of ocean-atmosphere reorganizations in glacial cycle. Geochim, Cosmochim. Acta 53:2465-501
155. 2 cycles? Rev. Geophys. 38:159-89
156. Kohler P, Fischer H, Munhoven G, Zeebe RE. 2005. Quantitative interpretation of atmospheric carbon records over the last glacial termination. Glob. Biogeochem. Cycles 19:GB4020
157. Peacock S, Lane E, Restrepo JM. 2006. A possible sequence of events for the generalized glacial-interglacial cycle. Glob. Biogeochem. Cycle 20:GB2010, doi:10.1029/2005GB002448
158. 2. Paleoceanography 18:1012, doi:10.1029/2002PA000760
159. Toggweiler JR, Gnanadesikan A, Carson S, Murnane R, Sarmiento JL. 2003. Representation of the carbon cycle in box models and GCMs: 1. Solubility pump. Glob. Biogeochem. Cycles 17:1026, doi: 10.1029/2001GB001401
160. ToggweilerJR, Murnane R, Carson S, Gnanadesikan A, Sarmiento JL. 2003. Representation of the carbon cycle in box models and GCMs: 2. Organic pump. Glob. Biogeochem. Cycles 17:1027, doi: 10.1029/2001GB001841
161. 2 change: the iron hypothesis. Paleoceanography 5:1-13
162. 2 during glacial periods. Paleoceanography 18:1046
163. 2 change due to iron fertilization. Geophys. Res. Lett. 31:L16207
164. 2 concentrations during the last glacial period. Nature 389:929-35
165. Jaccard SL, Haug GH, Sigman DM, Pedersen TF, Thierstein HR, Rohl U. 2005. Glacial/interglacial changes in subarctic North Pacific stratification. Science 308:1003-6
166. 3 depletion in the glacial Southern Ocean. Geophys. Res. Lett. 29:1564, doi: 10.1029/2001GL014349
167. 2, Glob. Biogeochem. Cycles 16:1031, doi:10.1029/2001GB001442
168. Bradtmiller LI, Anderson RF, Fleisher MQ, Burckle LH. 2006. Diatom productivity in the equatorial Pacific Ocean from the last glacial period to the present: a test of the silicic acid leakage hypothesis. Paleoceanography 21:PA4201, doi:10.1029/2006PA001282
169. Kienast SS, Kienast M, Jaccard S, Calvert SE, François R. 2006, Testing the silica leakage hypothesis with sedimentary opal records from the eastern equatorial Pacific over the last 150 kyrs. Geophys. Res. Lett. 33:L15607, doi:10.1029/2006GL026651
170. 2, and climate change during the ice ages. Paleoceanography 21:PA2005
171. 2 by ventilation of the ocean's deepest water. Paleoceanography 14:571-88
172. 2 variations. Nature 404:171-74
173. 2 change. Tellus B 58:73-87
174. 14C records. Earth Planet. Sci. Lett. 219:325-40
175. 14C during the "Mystery Interval" (17.5 to 14.5 kyr). Earth Planet. Sci. Lett. 256:90-99
176. - flux variations and their uncertainties. Glob. Planet. Change 33:155-76
177. Dansgaard W. 1987. Ice core evidence of abrupt climatic changes. In Abrupt Climatic Change. Evidence and Implications, ed. WH Berger, LD Labeyrie, pp. 223-33. New York: Springer-Verlag
178. 2 concentration and millenial-scale climate change during the last glacial period. Nature 392:59-62
179. Martin P, Archer D, Lea DW. 2005. Role of deep sea temperature in the carbon cycle during the last glacial. Paleoceanography 20:PA2015
180. Alley RB. 2007. Wally was right: predictive ability of the North Atlantic "conveyor belt" hypothesis for abrupt climate change. Annu. Rev. Earth Planet. Sci. 35:241-72
181. Broecker WS. 2003. Does the trigger for abrupt climate change reside in the ocean or in the atmosphere? Science 300:1519-22
182. 4 variations during the last glacial epoch: insight into global processes. Glob. Biogeochem. Cycl. 18:GB1020, doi:10.1029/2003GB002122
183. 2 trapped in ice at Taylor Dome, Antarctica. Nature 398:121-26
184. 2. Glob. Biogeochem. Cycl. 16:1010
185. 2 content to rise during the last 8000 years? Geochem. Geophys. Geosystems 2:U1-13
186. 2 since the Last Glacial Maximum. Paleoceanography 18:1083, doi: 10.1029/2003PA000893
187. Joos F, Gerber S, Prentice IC, Otto-Bliesner BL, Valdes PJ. 2004. Transient simulations of Holocene atmospheric carbon dioxide and terrestrial carbon since the Last Glacial Maximum. Glob. Biogeochem. Cycles 18:GB2002
188. Brovkin V, Bendtsen J, Claussen M, Ganopolski A, Kubatzki C, et al. 2002. Carbon cycle, vegetation, and climate dynamics in the Holocene: experiments with the CLIMBER-2 model. Glob. Biogeochem. Cycles 16:1139
189. Williams JW, Shuman BN, Webb T, Bartlein PJ, Leduc PL. 2004. Late-quaternary vegetation dynamics in North America: scaling from taxa to biomes. Ecol. Monogr. 74:309-34
190. Crucifix M, Loutre MF, Tulkens P, Fichefet T, Berger A. 2002. Climate evolution during the Holocene: a study with an Earth system model of intermediate complexity. Clim. Dyn. 19:43-60
191. Ruddiman WF. 2003. The anthropogenic greenhouse era began thousands of years ago. Clint. Change 61:261-93
192. Blunier T, Chappellaz J, Schwander J, Stauffer B, Raynaud D. 1995. Variations in atmospheric methane concentration during the Holocene epoch. Nature 374:46-49
193. Smith LC, MacDonald GM, Velichko AA, Beilman DW, Borisova OK, et al. 2004. Siberian peatlands a net carbon sink and global methane source since the early Holocene. Science 303:353-56
194. Ferreti DF, Miller JB, White JWC, Etheridge DM, Lassey KR, et al. 2005. Unexpected changes to the global methane budget over the past 2000 years. Science 309:1714-17
195. 2 over
196. 2 changes during the past millennium. Tellus B 57:51-57
197. Esper J, Cook ER, Schweingruber FH. 2002. Low-frequency signals in long tree-ring chronologies for reconstructing past temperature variability. Science 295:2250-53
198. 13C ice core record. Tellus B 51:233-48
199. 2 and Its Effect on Plants, Animals, and Ecosystems, ed. JR Ehleringer, TE Cerling, MD Dearing, pp. 329-49. New York: Springer
200. 2. Clim. Dyn. 20:281-99
201. Doney SC, Lindsay K, Fung I, John J. 2006. Natural variability in a stable 1000 year coupled climate-carbon cycle simulation. J. Clim. 19:3033-54
202. 2 accumulation. Nature 398:597-601
203. Vukicevic T, Braswell BH, Schimel D. 2001. A diagnostic study of temperature controls on global terrestrial carbon exchange. Tellus B 53:150-70
204. Schimel D, Baker D. 2002. Carbon cycle: the wildfire factor. Nature 420:29-30
205. Van der Werf GR, Randerson JT, Collatz GJ, Giglio L, Kasibhatla PS, et al. 2004. Continental-scale partitioning of fire emissions during the 1997 to 2001 El Niño/La Niña period. Science 303:73-76
206. 204a. Keeling CD. 1960. The concentration and isotopic abundance of carbon dioxide in the atmosphere. Tellus 12:200-3
207. 204b. Keeling CD, Bacastow RB, Bainbridge AE, Ekdahl CA Jr, Guenther PR, et al. 1976. Atmospheric carbon dioxide variations at Mauna Loa Observatory, Hawaii. Tellus 28:538-51
208. 2 flux history 1982-2001 inferred from atmospheric data using a global inversion of atmospheric transport. Atmos. Chem. Phys. 3:1919-64
209. 2 flux variations over land and oceans. Glob. Biogeochem. Cycles 19:GB1011, doi:10.1029/2003GB002214
210. Braswell BH, Schimel DS, Linder E, Moore B III. 1997. The response of global terrestrial ecosystems to interannual temperature variability. Science 278:870-73
211. Bacastow RB, Adams JA, Keeling CD, Moss DJ, Whorf TP, Wong CS. 1980. Atmospheric carbon dioxide, the Southern Oscillation, and the weak 1975 El Niño. Science 210:66-68
212. Lee K, Wanninkhof R, Takahashi T, Doney SC, Feely RA. 1998. Low interannual variability in recent oceanic uptake of atmospheric carbon dioxide. Nature 396:155-59
213. Chavez FP, Strutton PG, Friederich GE, Feely RA, Feldman G, et al. 1999. Biological and chemical response of the equatorial Pacific Ocean to the 1997-1998 El Niño. Science 286:2126-31
214. 2 in the equatorial Pacific. Deep-Sea Res. II 49:2443-69
215. 2 outgassingin the Southern Ocean from a positive phase of the Southern Annular Mode. Glob. Biogeochem. Cycles 21:GB2026, doi:10.1029/2006GB002900
216. 2 from 1979 through 1997. Glob. Biogeochem. Cycles 14:1247-65
217. Gruber N, Keeling CD, Bates NR. 2002. Interannual variability in the North Atlantic Ocean carbon sink. Science 298:2374-78
218. 2 fluxes, 1988-2003. Glob. Biogeochem. Cycles 20:GB1002, doi:10.1029/2004GB002439
219. Tian H, Melillo JM, Kicklighter DW, McGuire AD, Helfrich JVK, et al. 1998. Effect of interannual climate variability on carbon storage in Amazonian ecosystems. Nature 396:664-67
220. Nepstad DC, Verssimo A, Alencar A, Nobre C, Lima E, et al. 1999. Large-scale impoverishment of Amazonian forests by logging and fire. Nature 398:505-8
221. Jones CD, Collins M, Cox PM, Spall SA. 2001. The carbon cycle response to ENSO: a coupled climate-carbon cycle model study. J'. Clim. 14:4113-29
222. 4, and CO between 1992 and 1999 linked to biomass burning. Glob. Biogeochem. Cycles 16:1048, doi:10.1029/2001GB001466
223. Page SE, Siegert F, Rieley JO, Boehm HDV, Jaya A, Limin S. 2002. The amount of carbon released from peat and forest fires in Indonesia during 1997. Nature 420:61-64
224. Woodwell G, Mackenzie FT. 1995. Biotic Feedbacks in the Global Climatic System: Will the Warming Feed the Warming? New York: Oxford Univ. Press. 416 pp
225. Myneni RB, Keeling CD, Tucker CJ, Asrar G, Nemani RR. 1997. Increased plant growth in the northern high latitudes from 1981 to 1991. Nature 386:698-702
226. Lucht W, Prentice IC, Myneni RB, Sitch S, Friedlingstein P, et al. 2002. Climatic control of the high-latitude vegetation greening trend and Pinatubo effect. Science 296:1687-89
227. 2 uptake enhancement induced by warmer springs. Proc. Natl. Acad. Sci. USA 102:10823-27
228. Ciais P, Reichstein M, Viovy N, Granier A, Ogee J, et al. 2005. Europe-wide reduction in primary productivity caused by the heat and drought in 2003. Nature 437:529-33
229. Sacks WJ, Schimel DS, Monson RK. 2007. Coupling between carbon cycling and climate in a high-elevation, subalpine forest: a model-data fusion analysis. Oecologia 151:54-68
230. Crutzen PI, Stoermer EF. 2000. The "Anthropocene." Int. Geosph.-Biosph. Program. Newsl. 41:17-18
231. HansenJ, Sato M, Ruedy R, Lo K, Lea DW, Medina-Elizade M. 2006. Global temperature change. Proc. Natl. Acad. Sci. USA 103:14288-93
232. 2 and the onset of the next glaciation. Geochem. Geophys. Geosystems 6:Q05003, doi:10.1029/2004GC000891
233. 2 and climate change: results from six dynamic global vegetation models. Glob. Change Biol. 7:357-73
234. 2 and climate to carbon storage by ecosystems in the United States. Science 287:2004-6
235. 2, climate and land-use effects with four process-based ecosystem models. Glob. Biogeochem. Cycles 15:183-206
236. Bopp L, Monfray P, Aumont CD, Dufresne J-L, Le Treut H, et al. 2001. Potential impact of climate change on marine export production. Glob. Biogeochem. Cycles 15:81-100
237. Boyd PW, Doney SC. 2002. Modelling regional responses by marine pelagic ecosystems to global climate change. Geophys. Res. Lett. 29:1806, doi:10.1029/2001GL014130
238. Sarmiento J, Slater R, Barber R, Bopp L, Doney SC, et al. 2004. Response of ocean ecosystems to climate warming. Glob. Biogeochem. Cycles 18:GB3003, doi:10.1029/2003GB002134
239. Pacala SW, Hurtt GC, Baker D, Peylin P, Houghton RA, et al. 2001. Consistent land-and atmosphere-based U.S. carbon sink estimates. Science 292:2316-20
240. Schimel DS, House JI, Hibbard KA, Bousquet P, Ciais P, et al. 2001. Recent patterns and mechanisms of carbon exchange by terrestrial ecosystems. Nature 414:169-72
241. Friedlingstein P, Bopp L, Ciais P, Dufresne JL, Fairhead L, et al. 2001. Positive feedback between future climate change and the carbon cycle. Geophys. Res. Lett. 28:1543-46
242. Friedlingstein P, Dufresne J-L, Cox PM, Rayner P. 2003. How positive is the feedback between climate change and the carbon cycle? Tellus B 55:692-700
243. Zimov SA, Schuur EAG, Chapin FS. 2006. Permafrost and the global carbon budget. Science 312:1612-13
244. Dickens GR. 2003. Rethinking the global carbon cycle with a large, dynamic and microbially mediated gas hydrate capacitor. Earth Planet. Sci. Lett. 213:169-83
245. Forest CE, Stone PH, Sokolov AP, Allen MR, Webster MD. 2002. Quantifying uncertainties in climate system properties with the use of recent climate observations. Science 295:113-17
246. Hegerl GC, Crowley TJ, Hyde WT, Frame DJ. 2006. Climate sensitivity constrained by temperature reconstructions over the past seven centuries. Nature 440:1029-32