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Andreas
Schmittner Associate
Professor College of Oceanic and Atmospheric Sciences Oregon
State University 104
COAS Admin Bldg Corvallis
OR 97331-5503 USA phone:
541-737-9952 fax:
541-737-2064 email:
aschmitt(at)coas.oregonstate.edu Blog: Paleoclimate |
Online
Lecture: Climate Change and Ocean Circulation Book:
Ocean Circulation: Mechanisms and Impacts
Projects: PALEOVAR:
Past Climate Variability Reconstructing
Glacial Nitrogen and Carbon Cycling Using Isotopes Teaching:
OC599
Introduction to Climate Modeling OC331 Introduction
to Ocean Sciences |
Models:
University of Victoria Earth System
Model (UVic) Oregon State University / University of Victoria
Model (OSUVic) News Online
news articles about my research Climate
Change: |
|
Publications:
1997 1999 2000 2001 2002 2003 2004 2005 2006
2007 2008 2009 2010 in press submitted
Articles in peer reviewed publications
Ross, A., Matthews, H. D., Schmittner, A., and Kothavala, Z. (2012)
Assessing
the Effects of Ocean Diffusivity and Climate Sensitivity on the Rate of Global
Climate Change
Tellus B, 64, 17733, doi:10.3402/tellusb.v64i0.17733. html pdf
Shakun, J. D., Clark, P. U., He, F., Marcott, S. A.,
Mix, A. C., Liu, Z., Otto-Bliesner, B., Schmittner, A., and Bard, E.
Global warming preceded by increasing carbon dioxide
concentrations during the last deglaciation
Nature, 484, 49-54, doi:10.1038/nature10915. html pdf
Zhang, X., Prange, M., Steph, S., Butzin, M., Krebs, U., Lunt, D. J.,
Nisancioglu, K. H., Park, W., Schmittner, A., Schneider, B., Schulz, M. (2012)
Changes in
equatorial Pacific thermocline depth in response to Panamanian Seaway closure:
Insights from a multi-model study
Earth and Planet. Sci. Lett., 317-318, 76-84,
doi:10.1016/j.epsl.2011.11.028. html pdf
2011
Schmittner, A., Urban N. M., Shakun, J. D., Mahowald, N. M., Clark, P.
U., Bartlein, P. J., Mix, A. C., and Rosell-Mel, A. (2011)
Climate
Sensitivity Estimated From Temperature Reconstructions of the Last Glacial
Maximum
Science, 334, 1385-1388, doi: 10.1126/science.1203513. Abstract pdf data
Zickfeld, K., Eby, M., Matthews, H. D., Schmittner, A., and Weaver, A.
J.
Nonlinearity
of carbon cycle feedbacks
J. Climate, 24, 4255–4275, doi: 10.1175/2011JCLI3898.1. pdf html
Marcott, S. A., Clark, P. U., Padman, L., Klinkhammer, G. P., Springer,
S., Liu, Z., Otto-Bliesner, B. L., Carlson, A. E., Ungerer, A., Padman, J., He,
F., Cheng, J. and Schmittner, A., (2011)
Ice-shelf
collapse from subsurface warming as a trigger for Heinrich events
Proc. Nat. Acad. Sci., 108 (33),
13415-13419, doi:10.1073/pnas.1104772108 pdf html Supplementary Material
Schmittner, A., Silva, T. A. M., Fraedrich, K., Kirk, E. and Lunkeit, F.
(2011)
Effects of
Mountains and Ice Sheets on Global Ocean Circulation
J. Climate,
24, 2814–2829, doi:10.1175/2010JCLI3982.1. pdf html Supplementary Material Press Release
Alder, C. J., Hostetler, S. W.,
Pollard, D., and Schmittner, A. (2011)
Evaluation of a present-day climate simulation with a new
coupled atmosphere-ocean model GENMOM
Geosi. Model
Dev., 4, 69-83,
doi:10.5194/gmd-4-69-2011. pdf html
Somes,
C. J., Schmittner, A. and Altabet, M. A. (2010)
Nitrogen isotope simulations show the importance of
atmospheric iron deposition for nitrogen fixation across the Pacific Ocean
Geophys. Res. Lett., 37, L23605,
doi:10.1029/2010GL044537. pdf html
Goes, M., Urban, N. M.,
Tonkonojenkov, R., Haran, M., Schmittner, A., and Keller, K., (2010)
What is the
skill of ocean tracers in reducing uncertainties about ocean diapycnal mixing
and projections of the Atlantic Meridional Overturning Circulation?
J. Geophys.
Res., 115, C12006,
doi:10.1029/2010JC006407. pdf html
Somes,
C. J., Schmittner, A., Galbraith, E. D., Lehmann, M. F., Altabet, M. A.,
Montoya, J. P., Letelier, R. M., Mix, A. C., Bourbonnais, A., and Eby, M.
(2010)
Simulating
the global distribution of nitrogen isotopes in the ocean
Global Biogeochem. Cycles, 24, GB4019,
doi:10.1029/2009GB003767. pdf html Supplementary Material
2009
Schmittner,
A., N. M. Urban, K. Keller, and D. Matthews (2009)
Using
tracer observations to reduce the uncertainty of ocean diapycnal mixing and
climate–carbon cycle projections
Global Biogeochem. Cycles, 23, GB4009,
doi:10.1029/2008GB003421. pdf
html
Sarnthein,
M., G. Bartoli, M. Prange, A. Schmittner, B. Schneider, M. Weinelt, N.
Andersen, and D..Garbe-Schonberg (2009)
Mid-Pliocene
shifts in ocean overturning circulation and the onset of Quaternary-style
climates
Clim. Past, 5, 269-283, doi:10.5194/cp-5-269-2009. pdf html
Schmittner,
A., E. D. Galbraith (2008)
Glacial greenhouse gas fluctuations controlled by ocean
circulation changes
Nature, 456, 373-376,
doi:10.1038/nature07531. pdf html
supplementary information
Oschlies,
A., K. G. Schulz, U. Riebesell, and A. Schmittner (2008)
Simulated
21st century's increase in oceanic suboxia by CO2-enhanced biotic
carbon export
Global Biogeochem. Cycles, 22, GB4008, doi:10.1029/2007GB003147.
pdf html
Schmittner,
A., A. Oschlies, H. D. Matthews, and E. D. Galbraith (2008)
Future
changes in climate, ocean circulation, ecosystems and biogeochemical cycling
simulated for a business-as-usual CO2 emission scenario until year
4000 AD
Global Biogeochem. Cycles, 22, GB1013,
doi:10.1029/2007GB002953. pdf html
Correction
Clark,
P. U., S. W. Hostetler, N. G. Pisias, A. Schmittner, and K. J. Meissner (2007)
Mechanisms for a ~7-kyr climate and sea-level oscillation
during marine isotope stage 3
in Ocean
Circulation: Mechanisms and Impacts, AGU Geophys. Monograph, vol. 173,
edited by Schmittner, A., J. Chiang, and S. Hemming, pp. 315-334, American
Geophysical Union. pdf
Schmittner,
A., E. Brook and J. Ahn (2007)
Impact of the oceans overturning circulation on atmospheric
CO2
in Ocean Circulation: Mechanisms and Impacts, AGU
Geophysical Monograph Series, vol. 173, edited by A. Schmittner, J. Chiang, and S. Hemming, pp.
209-246, American Geophysical Union. pdf
Schmittner,
A., E. D. Galbraith, S. W. Hostetler, T. F. Pedersen, and R. Zhang (2007)
Large
fluctuations of dissolved oxygen in the Indian and Pacific oceans during
Dansgaard-Oeschger oscillations caused by variations of North Atlantic Deep
Water subduction
Paleoceanogr., 22, PA3207, doi:10.1029/2006PA001384. pdf html data available at
ftp://ftp.ncdc.noaa.gov/pub/data/paleo/gcmoutput/uvic/schmittner2007/
Schneider,
B., M. Latif, and A. Schmittner (2007)
Evaluation
of different methods to assess model projections of the future evolution of the
Atlantic meridional overturning circulation
J. Climate, 20, 2121-2132. pdf
2006
Schneider,
B. and A. Schmittner (2006)
Simulating
the impact of the Panamanian seaway closure on ocean circulation, marine
productivity and nutrient cycling
Earth and Planet. Sci. Lett., 246,
367–380. pdf
Schmittner,
A., Latif, M. and Schneider, B. (2005)
Model
Projections of the North Atlantic thermohaline circulation for the 21st century
assessed by observations
Geophys. Res. Lett., 32, L23710, doi:10.1029/2005GL024368.
pdf html
Schmittner,
A., Oschlies, A., Giraud, X., Eby, M. and Simmons H.L. (2005)
A
Global Model of the Marine Ecosystem for Long Term Simulations: Sensitivity to
Ocean Mixing, Buoyancy Forcing, Particle Sinking and Dissolved Organic Matter
Cycling
Global Biogeochem. Cycles, 19, GB3004, doi:10.1029/2004GB002283. pdf html
Schmittner,
A., (2005)
Decline
of the marine ecosystem caused by a reduction in the Atlantic overturning
circulation
Nature, 434, 628-633. pdf html
Koesters,
F., R. H. Kaese, A. Schmittner and P. Herrmann (2005)
The Effect of Denmark Strait Overflow on the Atlantic
Meridional Overturning Circulation
Geophys. Res.
Lett.,
32, L04602, doi:10.1029/2004GL022112. pdf html
2004
Schmittner,
A., M. Sarnthein, H. Kinkel, G. Bartoli, T. Bickert, M. Crucifix, D. Crudeli,
J. Groeneveld, F. Ksters, U. Mikolajewicz, C. Millo, J. Reimer, P. Schfer, D.
Schmidt, B. Schneider, M. Schulz, S. Steph, R. Tiedemann, M. (2004)
Global Impact of the Panamanian Seaway Closure
EOS, 85, 526. pdf
Saenko,
O. A., Schmittner, A. and A. J. Weaver (2004)
The Atlantic-Pacific seesaw
J. Climate, 17,
2033-2038. pdf
Ewen,
T., A.J. Weaver and A. Schmittner (2004)
Modelling carbon cycle feedbacks during abrupt climate change
Quat. Sci.
Rev.,
23, 431-448. pdf
2003
Saenko,
O. A., A. J. Weaver and A. Schmittner (2003)
Atlantic deep circulation controlled by freshening in the
Southern Ocean
Geophys. Res. Lett., 30, 1754, doi:10.1029/2003GL017681. pdf html (you need online access to AGU
journals)
Schmittner,
A. (2003)
Southern Ocean sea ice and radiocarbon ages of glacial
bottom waters
Earth and
Planet. Sci. Lett., 213, 53-62, doi:10.1016/S0012-821X(03)00291-7. pdf html
Meissner,
K. J., Schmittner, A. and Weaver, A. J. (2003)
The
ventilation of the North Atlantic Ocean during the Last Glacial Maximum - a
comparison between simulated and observed radiocarbon ages
Paleoceanogr., 18 (2). doi:10.1029/2002PA000762. pdf html (you need online access to AGU
journals)
Schmittner,
A., Saenko, O. A. and Weaver,A. J. (2003)
Coupling of the hemispheres in observations and simulations
of glacial climate change
Quat. Sci.
Rev.,
22, 659-671.doi:10.1016/S0277-3791(02)00184-1. pdf html
2002
Saenko,
O. A., Schmittner, A. and Weaver, A. J. (2002)
On the role of wind-driven sea ice motion on ocean
ventilation
J. Phys.
Oceanogr.,
32, 3376-3395. pdf
Meissner,
K. J., Schmittner, A., Wiebe, E. C. and Weaver, A. J. (2002)
Simulations
of Heinrich Events in a coupled ocean-atmosphere-sea ice model
Geophys. Res. Lett., 17, 10.1029/2001GL013514.
Schmittner,
A., Meissner, K. J., Eby, M. and Weaver, A. J. (2002)
Forcing of the deep ocean circulation in simulations of the
Last Glacial Maximum
Paleoceanogr., 17, 10.1029/2001PA000633. pdf html (you need online access to AGU
journals)
Schmittner,
A. and Clement, A. C. (2002)
Sensitivity
of the thermohaline circulation to tropical and high latitude freshwater
forcing during the last glacial-interglacial cycle
Paleoceanogr., 17, 10.1029/2000PA000591. pdf html (you need online access to AGU
journals)
Schmittner,
A., Yoshimori, M. and Weaver, A. J. (2002)
Instability of glacial climate in a model of the
ocean-atmosphere-cryosphere system
Science, 295,
1489-1493. pdf Abstract
2001
Weaver,
A. J., Eby, M., Wiebe, E. C., Bitz, C. M., Duffy, P. B., Ewen, T. L., Fanning,
A. F., Holland, M. M., MacFadyen, A., Saenko, O., Schmittner, A., Wang, H. and
Yoshimori,M. (2001)
The
UVic Earth System Climate Model: Model Description, Climatology and
Applications to Past, Present and Future Climates
Atmos.-Ocean, 4, 361-428. pdf
Schmittner,
A. and Weaver, A. J. (2001)
Dependence of multiple climate states on ocean mixing
parameters
Geoph. Res.
Let.,
28, 1027-1030. pdf
Schmittner,
A. and Stocker, T. F., (2001)
A seasonally forced model for paleoclimate studies
J. Climate, 14,
1055-1068. pdf
Appenzeller,
C., Stocker, T.F., and Schmittner, A. (2000)
Climate change and natural climate variability: chance for
surprise?
Integr.
Assessment,
1, 301-306.
Schmittner,
A., Appenzeller, C. and Stocker, T. F. (2000)
Enhanced Atlantic freshwater export during El Nino
Geoph. Res.
Let.,
27, 1163-1166. pdf
Schmittner,
A., Appenzeller, C. and Stocker, T. F. (2000)
Validation
of parametrisations for the meridional energy and moisture transport used in
simple climate models
Clim. Dyn., 16, 63-77. pdf
1999
Joos,
F., Plattner, G.-K., Stocker, T.F., Marchal, O. and Schmittner, A. (1999)
Global warming and marine carbon cycle feedbacks on future
atmospheric CO2
Science, 284,
464-467. Abstract pdf
Schmittner,
A. and Stocker, T. F. (1999)
The stability of the thermohaline circulation in global
warming experiments
J. Climate,
12,1117-1133. pdf
1997
Stocker,
T. F. and Schmittner, A. (1997)
Influence of CO2 emission rates on the stability
of the thermohaline circulation
Nature, 388,
862-865. html
pdf
Articles in press:
Pinsonneault, A. J.,
Matthews, H. D., Galbraith, E. D., and Schmittner, A. (2011)
Calcium carbonate production response
to future ocean warming and acidification
Biogeosciences.
Non peer-reviewed publications:
Schmittner,
A., J. C. H. Chiang and S. Hemming (2007)
Introduction: The ocean's meridional overturning circulation
in Ocean Circulation: Mechanisms and Impacts, AGU
Geophysical Monograph Series, vol. 173, edited by A. Schmittner, J. C. H. Chiang, and S. R.
Hemming, pp. 1-4, American Geophysical Union. pdf
Schmittner,
A. (2012)
Ice Age Lessons for Future Climate Change
in The Long View, vol. 9, Oregon State Bar Sustainable
Future Section. pdf
Online News Articles
About My Research:
November
2011:
New
York Times How Much Will the Earth Warm Up?
Time
New Study Suggests Climate Change May Be (Slightly) Less Severe Than Feared
Houston
Chronicle New study: Climate not as sensitive to carbon dioxide as some
fear
The
Oregonian Ice age analysis suggests global warming may be less severe than
predicted
New
Scientist CO2 may not warm the planet as much as thought
The
Daily Mail Climate change fears 'have been exaggerated' and doomsday
predictions are overestimates, say scientists
The
Australian Climate forecasts exaggerated: Science journal
USA
Today Carbon dioxide doubling impact has limit
The Economist Good news at
last?
BBC CO2
climate sensitivity 'overestimated'
Los
Angeles Times CO2 sensitivity possibly less than most extreme projections
The
Science Daily Climate Sensitivity to Carbon Dioxide More Limited Than
Extreme Projections, Research Shows
Forbes
Climate Change: Not as Bad as We Thought it Was Going to Be
The
Sydney Morning Herald New global warming estimate
Washington Post Most dire global warming
forecasts unlikely, study finds
Deutschlandfunk
Forscher versuchen Reaktion des Klimas auf Klimagas-Anstieg abzuschtzen
Environmental
Research Web Is climate sensitivity lower than IPCC finding?
Neue
Zricher Zeitung
Das Klima ist mglicherweise robuster als gedacht
ABC
Science Global warming rate less than feared
New
York Times Study Finds Limited Sensitivity of Climate to CO2
International
Business Times Climate Change Not so Extreme, Based on New Model
Bits
of Science Good news? According to paleo research median CO2 climate
sensitivity could be 0.7 degrees lower
Ars
Technica Last big chill suggests lower climate impact of carbon
The
Register Global warming much less serious than thought - new science
Sverige
Radio Stora temperaturkningar osannolika i ny studie
Rinnovabili
Usa: la CO2 una minaccia poco pericolosa per il clima
Green
Car Congress Study using paleoclimate data suggests climate sensitivity to
CO2 doubling may be less severe than projected
Power
Line This Week in Climate News
TG
Daily Global warming may not be as severe as predicted
Ghana
Business News Carbon dioxide climate sensitivity overestimated
NRK Vi har forstatt tid
Environmental
Research Lab Is climate sensitivity lower than IPCC finding?
Biggovernment.com
Study Funded By National Science Foundation Concludes: Global Warming Rate
Less Than Feared
Inverstors.com
Global Warming Models Called Into Question By New Study
Physorg.com
Climate sensitivity to CO2 more limited than extreme projections: research
Reason.com
The Sky is Falling Less?
Democratherald.com
Good news on warming
DiePresse.com
Klima: Erwrmung wird nicht ganz so hoch wie befrchtet
Discovery
News Hot air ahead of climate meeting
Theenergycollective
Message to Durban: Its The Economy
eScienceNews
Climate sensitivity to CO2 more limited than extreme projections
FellowGeek
Global Temperatures Could Be More Resistant Than Thought
SmartPlanet
CO2 not warming planet as much as thought
SonnenSeite
Fllt der Klimawandel schwcher aus?
The
Global Warming Policy Foundation Global Warming Forecasts Exaggerated
National
Review The Climate Cataclysm Is Not Nigh
The
Food and Farm Show Interview with Ray Bowman on Americas Web Radio
USA
Today Warming Raising Sea Level, Says New Climate Change Report
The
following articles misrepresent, in my opinion, my work:
The
Portland Press Herald News continues to expose false global warming
claims
Morning
Sentinel Major media ignoring news critical of climate change claims
June 2011: KEZI
9 News Coastal Mountains Affect Oceans
December
2009: Oregon Sea Grant video Predicting the Climate
September
2009: Johanneum Gymnasium Herborn Wir erkennen zu wenig die kologische
Komplexitt
September
2009: Oregon Public Broadcasting What Climate Change May Mean To Coastal
Farms
May 2009: Terra
Climate by the Numbers
November 2008: Science Direct Did Icebergs
Warm the World?
March 2008: Washington Post Carbon Output
Must Near Zero To Avert Danger, New Studies Say
March 2008: Interview with Radio Show Ecoshock
August 2006: FACTS Wir gehen baden
December
2005: BBC Ancient clues to ocean currents
November 2005: National Geographic Mini Ice Age
May Be Coming Soon, Sea Study Warns
July 2005:
Earthwatch Radio Plankton in Peril
April 2005: NASA Earth Observatory Currents Could
Disrupt Ocean Food Chain
Other Media Links:
Thermohaline Circulation Slowing (Nature) ?
Thermohaline Circulation Slowing (Physics Today) ?
last changed 5/3/12 11:03 AM