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Andreas
Schmittner Associate
Professor College of Earth, Ocean, 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 Links: Physics
of Oceans and Atmospheres |
Online
Presentations: The
Scientific Case for Human Influence on Global Climate Projects: Reconstructing
Glacial Nitrogen and Carbon Cycling Using Isotopes Estimating Climate Sensitivity From Temperature
Reconstructions of the Last Glacial Maximum Assessing Climate Model Simulations of Last
Glacial Maximum Ocean Circulation with Carbon Isotopes Teaching:
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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: Outreach |
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Publications:
1997 1999 2000 2001 2002 2003 2004 2005 2006
2007 2008 2009 2010 in press submitted
Articles in peer reviewed publications
Robinson, R. S., Kienast, M.,
Albuquerque, A. L., Altabet, M., Contreras Quintana, S., De Pol Holz, R.,
Dubois, N., Francois, R., Galbraith, E., Hsu, T.-C., Ivanochko, T., Jaccard,
S., Kao, S.-J., Kiefer, T., Kienast, S., Lehmann, M., Martinez, P., McCarthy,
M., Mobius, J., Pedersen, T., Quan, T. M., Ryabenko, E., Schmittner, A.,
Schneider, R., Schneider-Mor, A., Shigemitsu, M., Sinclair, D., Somes, C.,
Studer, A., Thunell, R., and Yang, J.-Y. (2012)
A review of
nitrogen isotopic alteration in marine sediments
Paleoceanogr., 24, PA4203, doi: 10.1029/2012PA002321. html pdf
Ahn, J., Brook, E. J., Schmittner, A., and Kreutz, K. (2012)
Abrupt
change in atmospheric CO2 during the last ice age
Geophys. Res. Lett., 39, L18711,
doi:10.1029/2012GL53018. html pdf Auxiliary Material
Schmittner, A., Urban N. M., Shakun, J. D., Mahowald, N. M., Clark, P.
U., Bartlein, P. J., Mix, A. C., and Rosell-Mele, A. (2012)
Response to
Comment on "Climate Sensitivity Estimated From Temperature Reconstructions
of the Last Glacial Maximum"
Science,
337, 1294, doi: 10.1126/science.1221634. html pdf Comment by Fyke and
Eby
Pinsonneault, A. J., Matthews, H. D., Galbraith, E. D., and Schmittner,
A. (2012)
Calcium
carbonate production response to future ocean warming and acidification
Biogeosciences, 9, 2351-2364,
doi:10.5194/bg-9-2351-2012. html pdf
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. (2012)
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-Mele, 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. (2011)
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 ocean's 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. Kšsters, U. Mikolajewicz, C. Millo, J. Reimer, P. SchŠfer, 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:
Galbraith,
E. D., Kienast, M., Albuquerque, A. L., Altabet, M., Contreras Quintana, S., De
Pol Holz, R., Dubois, N., Francois, R., Galbraith, E., Hsu, T.-C., Ivanochko, T.,
Jaccard, S., Kao, S.-J., Kiefer, T., Kienast, S., Lehmann, M., Martinez, P.,
McCarthy, M., Mšbius, J., Pedersen, T., Quan, T. M., Robinson, R. S., Ryabenko,
E., Schmittner, A., Schneider, R., Schneider-Mor, A., Shigemitsu, M., Sinclair,
D., Somes, C., Studer, A., Thunell, R., and Yang, J.-Y. (2012)
Coherent climate-driven changes in the global marine
nitrogen cycle during the past 80,000 years
Nature Geosc..
Non peer-reviewed publications:
Rosell,
A., and A. Schmittner (2012)
La sensibilitad del clima al di—xido de carbono
in Investigaci—n y Ciencia, Spanish
edition of Scientific American, December, nr 435, 14-15.
Schmittner,
A. (2012)
Marine nutrient cycling – How will the ocean's
capacity of biological carbon pumping change?
in "Paired Perspectives on Global
Change" PAGES
News, vol.
20, nr. 1, edited by N. R. Bondre and T. Kiefer, Past Global Changes. html
pdf
Schmittner,
A. (2012)
Ice Age Lessons for Future Climate Change
in The Long View, vol. 9, Oregon State Bar Sustainable
Future Section. pdf
Schmittner,
A., Abe-Ouchi, A., Braconnot, P., Harrison, S. P., and Otto-Bliesner, B. L.
(2011)
PMIP3
Workshop
In
PAGES news, vol 19, nr 2, 83-84. pdf
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
Book:
Ocean Circulation: Mechanisms and Impacts
Online Presentations:
Climate Change and Ocean Circulation
Online News Articles
About My Research:
November 2012:
Reuters
"Study
explains slow down in global warming"
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 Ôexaggerated': 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 abzuschŠtzen"
Environmental
Research Web "Is climate sensitivity lower than IPCC finding?"
Neue
ZŸricher Zeitung
"Das Klima ist mšglicherweise 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 temperaturškningar 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: ErwŠrmung wird nicht ganz so hoch wie befŸrchtet"
Discovery
News "Hot air ahead of climate meeting"
Theenergycollective
"Message to Durban: It's 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
"FŠllt der Klimawandel schwŠcher 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 America's 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 Ôglobal 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
škologische KomplexitŠt ..."
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 2/6/13 11:28 AM