Allegra N. LeGrande

Surfside Beach, Texas






Surface-melt driven Laurentide ice-sheet retreat during the early Holocene

Carlson, A.E., F.S. Anslow, E.A. Obbink, A.N. LeGrande, D.J. Ullman, and J.M. Licciardi, 2009: Geophys. Res. Lett., in press, doi:10.1029/2009GL040948.

Climate sensitivity to Arctic seaway restriction during the early Paleogene

C. D. Roberts, A. N. LeGrande, and A. K. Tripati, Earth and Planetary Science Letters, 286, 576-585, doi:10.1016/j.epsl.2009.07.026.

Sources of Holocene Variability of Oxygen Isotopes in Paleoclimate Archives

A. N. LeGrande and G. A. Schmidt, Climate of the Past, 5(3), 441-455, 2009.

Ensemble, Water-Isotope Enabled, Coupled General Circulation Modeling Insights into the 8.2-kyr Event

A. N. LeGrande and G. A. Schmidt, Paleoceanography, 2008PA001610, 2008.

Rapid early Holocene Deglaciation of the Laurentide Ice Sheet and Sea Level Rise

A. E. Carlson, A. N. LeGrande, D. W. Oppo, R. E. Came, G. A. Schmidt, F. Anslow, J. Licciardi, E. Obbink, Nature Geosci., 1, 620-624, doi:10.1038/ngeo285, 2008.

Surface currents in the Western North Atlantic during the Last Glacial Maximum

A.N. LeGrande and J. Lynch-Stieglitz, Geochemistry, Geophysics, Geosystems Special Issue: Past Ocean Circulation, 8, Q01N09, doi:10.1029/2006GC001371, 2007.

Coming soon: Water Isotopes as a Quantitative Paleosalinity Proxy

A.N. LeGrande and G.A. Schmidt Paleoceanography, In Prep

Coming Soon: Long term controls on water isotope variability in Monsoon Regions

G. A. Schmidt and A. N. LeGrande, In Prep.

Potential Biases in Inferring Holocene Temperature Trends from Long-Term Borehole Information

M. E. Mann, G. A. Schmidt, S. K. Miller and A. N. LeGrande, Geophysical Research Letters, 36, L05708, doi:10.1029/2008GL036354.

Consistent simulations of multiple proxy responses to an abrupt climate event

A.N. LeGrande., G.A. Schmidt, D.T. Shindell, C.V. Field, R.L. Miller, D.M.  Koch, G. Faluvegi, and G. Hoffmann. Proceedings of the National Academy of Sciences, 103(4) doi: 10.1073/pnas.0510095103, 2006.

Water Isotope expressions of Intrinsic and Forced variability in a Coupled Ocean-Atmosphere Model

G.A. Schmidt, A.N. LeGrande, and G. Hoffmann, Journal of Geophysical Research, 112, D10103, doi:10.1029/2006JD007781, 2007.

The 8,200-year BP event.

A.N. LeGrande, Encyclopedia of Paleoclimatology and Ancient Environments, ed. V. Gornitz, Springer, pp. 938-943, 2008.

Coming soon: Comparisons between Tropospheric Emission Spectrometer (TES) observations and isotope enabled GCMs

J. Lee, J. Worden, D. Noone, A.N. LeGrande, K. Bowman, G.A Schmidt JGR-Atmospheres, In Prep

Coming soon: Water vapour source change impacts on oxygen isotope variability in tropical precipitation during Heinrich events

S.C. Lewis, A.N. LeGrande, M. Kelley, G.A. Schmidt, Climate of the Past, In Prep.

Seawater isotope constraints on tropical hydrology during the Holocene

D W. Oppo, G.A. Schmidt and A.N. LeGrande, Geophysical Research Letters, L13701, doi:10.1029/2007GL030017, 2007.

The Goldilocks abrupt climate change event

Schmidt, G.A., and A.N. LeGrande, Quaternary Science Reviews, Vol. 24, 1109-1110, doi:10.1016/j.quascirev.2005.01.015,2005.

Oxygen isotopic composition of Globorotalia truncatulinoides as a proxy for intermediate depth density 

LeGrande, A.N., J. Lynch-Stieglitz, and E.C. Farmer. Paleoceanography. vol. 19, PA4025, doi:10.1029/2004PA001045, 2004.

Global gridded dataset of the oxygen isotopic composition in seawater

LeGrande, A.N., and G.A. Schmidt. Geophysical Research Letters 33, L12604, doi:10.1029/2006GL026011, 2006.

Subtropical Atlantic salinity variability and Atlantic meridional circulation during the last deglaciation

A. E. Carlson, D. W. Oppo, R. E. Came, A. N. LeGrande, L. D. Keigwin, W. B. Curry, Geology, 36, 991-994, doi:10.1130/G25080A.1, 2008.

Wet phases in tropical Australia during Heinrich events detected in the terrestrial peat record of Lynch’s Crater

J. Muller, M. Kylander, R.A.J. Wüst, D. Weiss, A. Martinez-Cortizas, A.N. LeGrande, C. Turney, P. Kershaw, T. Jennerjahn, H. Behling, G. Jacobson Quaternary Science Reviews 27, 2008.

Past and future polar amplification of climate change: climate model intercomparisons and ice-core constraints

Masson-Delmotte, V., M. Kageyama, P. Braconnot, S. Charbit, G. Krinner, C. Ritz, E. Guilyardi, J. Jouzel, A. Abe-Ouchi, M. Crucifix, R.M. Gladstone, C.D. Hewitt, A. Kitoh, A.N. LeGrande, O. Marti, U. Merkel, T. Motoi, R. Ohgaito, B. Otto-Bliesner, W.R. Peltier, I. Ross, P.J. Valdes, G. Vettoretti, S.L. Weber, F. Wolk, and Y. Yu. Climate Dyn. 26, 513-529, doi:10.1007/s00382-005-0081-9, 2006.

Mid-Holocene NAO: A PMIP2 model intercomparison

Gladstone, R.M., I. Ross, P.J. Valdes, A. Abe-Ouchi, P. Braconnot, S. Brewer, M. Kageyama, A. Kitoh, A. LeGrande, O. Marti, R. Ohgaito, B. Otto-Bliesner, W.R. Peltier, and G. Vettoretti, Geophys. Res. Lett. 32, L16707, doi:10.1029/2005GL023596, 2005.






NASA GISS Science Brief: “Getting a Grip on Future Ice Sheet Changes”

Nature Reports Climate Change, September 3, 2008

Hudson River Outreach

Columbia University Press Release: “Analysis of Past Glacial Melting Shows Potential for Increased Greenland Ice Melt and Sea Level Rise” Global Warning Scientist

NASA Press Release: “Researchers Confirm Role of Massive Flood in Climate Change”

Columbia University Press Release: “Researchers Confirm Role of Massive Flood in Climate Change” (8.2 kyr event proxy modelling )

NASA GISS Science Brief: “Modelling an Abrupt Climate Change

Global Seawater Oxygen isotopic composition to Salinity Database

1°x1° Gridded Seawater Oxygen isotopic composition Dataset

German Cruise to the Caribbean

Cruise to the Florida Straits and Bahamas








The Earth Institute at Columbia University