Abrupt Climate Change Course Materials
|
Date Wed, 9:10am |
|
Reading
|
|
October 1 |
Abrupt climate change, what is meant, has it happened in the past, how it differs from non linear change
:
|
Alley et al 2005-Science-Abrupt Climate Change
|
|
October 8 |
The variation of Earth’s climate through time, the time scale of variation, natural climate change and bifurcations in the system orbital forcing, tectonic changes, bifurcations and stable states |
Cenozoic O18 record PETM
|
|
October 15 |
Younger Dryas, and Dansgaard Oeschger cycles |
Younger Dryas: Antarctica (antiphase):
Dansgaard Oeschger cycles Dansgard et al., 1993, Nature, 364, p. 218.
Bond Cycles: Heinrich Events:
|
|
October 22 |
Eemian/Holocene, the closest thing to the current interglacial |
Steig, 1999, Paleoclimate: Perspectives. Mid-Holocene climate change, Science 286, 1485-1487. |
|
October 29 |
NRC meeting |
|
|
November 7 |
WMRS conference/field trip |
|
|
November 12 |
Greenland Ice Sheet/West Antarctic ice sheet stability and the rates of past sea level rise from the coral record |
Thompson and Goldstein, 2005, Open system coral ages reveal persistent suborbital sea-level cycles. Science, 308, 401-404.
Neuman and Hearty, 1996, Rapid sealevel changes at the last interglacial (substage 5e) recorded in the Bahamanian islands. Geology 24, 775-778.
Rohling, et al., 2008, High rates of seal-level rise rise during the last interglacial period. Nature Geoscience, 1, 38-42.
Anders Carlson et al. Rapid early Holocene deglaciation of the Laurentide ice sheet. Nature Geoscience, 1, 620-624.
Joughlin et al., 2008, Seasonal speedup along the western flank of the Greenland ice sheet. Science, 320, p. 781-783.
Das et al., 2008, Fracture propagation to the base of the Greenland Ice sheet during Supraglacial lake drainage, Science, 320, 778-781.
De Vernal et al., 2008, Natural variability of Greenland climate, vegetation, and ice volume during the past million years, Science, 320, 1622-1625.
Alley, et al., 2005, Ice-sheet and Sea-level changes. Science, 310, 456-460. |
|
November 19 |
Ocean circulation and the influence of ice sheets on climate |
Broecker, 1995, Massive iceberg discharges as triggers for global climate change. Nature 372, 421-424.
Broecker, 1997, Thermohaline circulation, the Achilles heel of our climate system; will man made CO2 upset the current balance? Science, 278, 1582-1588.
Lehman and Keigwin, 1992, Sudden changes in North Atlantic circulation during the last deglaciation. Nature, 356 757-760. Rahmsdorf, 2002, Ocean circulation and climate during the past 120,000 years, Nature, 419, 207-214.
Clark, Alley and Pollard, 1999, Northern hemisphere ice sheet influences on global climate change, Science, 286, 1104-1111
Federov et al., 2006, The Pliocene paradox (mechanisms for a permanent El Nino). Science, 312, 1485-1489. |
|
November 26 |
Methane clathrates as the climate time bomb |
http://www.independent.co.uk/news/science/hundreds-of-methane-plumes-discovered-941456.html
Kemp et al., 2005, Astronomical pacing of methane release in the Early Jurassic Period, Nature, 437, 396-400.
Walter et al., 2006, Methane bubbling from Siberian thaw lakes as a positive feedback to climate warming. Nature, 443, 71-75. Nisbet, 200?
Dickens et al., 1995, Dissociation of oceanic methane hydrate as a cause of the carbon isotope excursion at the end of the Paleocene. Paleoceanography, 10, 965.
E.G. Nisbet, (2002) Have sudden large releases of methane from geological reservoirs occurred since the Last Glacial Maximum, and could such releases occur again? Phil. Trans. R. Soc. Lond. A 360, 581-607.
Kennett et al. 2001, Carbon isotopic evidence for methane hydrate instability during Quaternary interstadials. Sciecne, 288, 128-132.
MacDonald, 1990, Role of Methane Clathrates in Past and Future Climates, Climatic Change, 16, 247-281
Millo et al. 2005, Methane driven late Pleistocene D13C minima and overflow reversals in the southwestern Greenland Sea. Geology, 33, 873-877. |
|
December 3 |
Civilizations and climate change, how much is too much? |
17Death in Norse Greenland, Science 275, 924 Hodell et al., 1995 Gill, 2000, Mesopotamia, Weiss et al., 1993 Weiss and Bradley, 2001, What drives societal collapse, Science, 291, 609-610.
|
|
December 4 |
Sierra and the North Atlantic record, lets compare what we have learned to what we have seen in September in the field. |
Begin with a well constrained study. Brunnier and Brook, 2001, Timing of millennial scale climate change in Antarctica and Greenland during the last Glacial period, Science, 291, 109-112.
Benson et al., Science 1996 Climatic and hydrologic Oscillations in the Owens Lake Basin and Adjacent Sierra Nevada, California, v. 274, p. 746-749
Benson, L. V., Lund, S. P., Burdett, J. W., Kashgarian, M., Rose, T. P., Smoot, J. P., and Schwartz, M., 1998; Correlation of late-Pleistocene lake-level oscillations in Mono Lake, California, with North Atlantic climate events; Quaternary Research, v. 49, p. 1-10
Benson, L. V., Lund, S. P., Burdett, J. W., Kashgarian, M., Rose, T. P., Smoot, J. P., and Schwartz, M., 1998; Correlation of late-Pleistocene lake-level oscillations in Mono Lake, California, with North Atlantic climate events; Quaternary Research, v. 49, p. 1-10
Phillips, F.M., Zreda, M.G., Bensen, L.V., Plummer, M.A., Elmore, D., and Sharma, P., 1996; Chronology for fluctuations in late Pleistocene Sierra Nevada glaciers; Science, v. 274, p. 749-751
Phillips, F.M., Zreda, M.G., Smith, S.S., Elmore, D., Kubik, W., and Sharma, P., 1990; Cosmogenic chlorine-36 chronology for glacial deposits at Bloody Canyon, eastern Sierra Nevada; Science, v. 274, p. 1529-1532 |