Search Results - "BLUNIER, T"

Variation of Ice Nucleating Particles in the European Arctic Over the Last Centuries by Hartmann, M., Blunier, T., Brügger, S.O., Schmale, J., Schwikowski, M., Vogel, A., Wex, H., Stratmann, F.

“…The historical development of ice nucleating particle concentrations (NINP) is still unknown. Here, we present for the first time NINP from the past 500 years…”
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Millennial-scale variability during the last glacial: The ice core record by Wolff, E.W., Chappellaz, J., Blunier, T., Rasmussen, S.O., Svensson, A.

“…The oxygen-isotope records from Greenland ice cores show a very strong, reproducible pattern of alternation between warm Greenland Interstadials (GI) and cold…”
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The Antarctic ice core chronology (AICC2012): an optimized multi-parameter and multi-site dating approach for the last 120 thousand years by Veres, D, Bazin, L, Landais, A, Toyé Mahamadou Kele, H, Lemieux-Dudon, B, Parrenin, F, Martinerie, P, Blayo, E, Blunier, T, Capron, E, Chappellaz, J, Rasmussen, S. O, Severi, M, Svensson, A, Vinther, B, Wolff, E. W

“…The deep polar ice cores provide reference records commonly employed in global correlation of past climate events. However, temporal divergences reaching up to…”
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Holocene thinning of the Greenland ice sheet by Dahl-Jensen, D, Rasmussen, S. O, Buchardt, S. L, Johnsen, S. J, Koerner, R. M, Andersen, K. K, Raynaud, D, Blunier, T, Vinther, B. M, Steffensen, J. P, Lipenkov, V, Clausen, H. B, Fisher, D. A, Svensson, A. M

“…On entering an era of global warming, the stability of the Greenland ice sheet (GIS) is an important concern, especially in the light of new evidence of…”
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Moisture sources and synoptic to seasonal variability of North Atlantic water vapor isotopic composition by Steen-Larsen, H. C., Sveinbjörnsdottir, A. E., Jonsson, Th, Ritter, F., Bonne, J.-L., Masson-Delmotte, V., Sodemann, H., Blunier, T., Dahl-Jensen, D., Vinther, B. M.

“…The isotopic composition of near surface (or planetary boundary layer) water vapor on the south coast of Iceland (63.83°N, 21.47°W) has been monitored in situ…”
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Atmospheric Nitrous Oxide Variations on Centennial Time Scales During the Past Two Millennia by Ryu, Y., Ahn, J., Yang, J.‐W., Brook, E. J., Timmermann, A., Blunier, T., Hur, S., Kim, S.‐J.

“…The continuous growth of atmospheric nitrous oxide (N2O) is of concern for its potential role in global warming and future stratospheric ozone destruction…”
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Sequence of events from the onset to the demise of the Last Interglacial: Evaluating strengths and limitations of chronologies used in climatic archives by Govin, A., Capron, E., Tzedakis, P.C., Verheyden, S., Ghaleb, B., Hillaire-Marcel, C., St-Onge, G., Stoner, J.S., Bassinot, F., Bazin, L., Blunier, T., Combourieu-Nebout, N., El Ouahabi, A., Genty, D., Gersonde, R., Jimenez-Amat, P., Landais, A., Martrat, B., Masson-Delmotte, V., Parrenin, F., Seidenkrantz, M.-S., Veres, D., Waelbroeck, C., Zahn, R.

“…The Last Interglacial (LIG) represents an invaluable case study to investigate the response of components of the Earth system to global warming. However, the…”
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Natural and anthropogenic variations in methane sources during the past two millennia by Sapart, C. J., Monteil, G., Prokopiou, M., van de Wal, R. S. W., Kaplan, J. O., Sperlich, P., Krumhardt, K. M., van der Veen, C., Houweling, S., Krol, M. C., Blunier, T., Sowers, T., Martinerie, P., Witrant, E., Dahl-Jensen, D., Röckmann, T.

“…Centennial-scale variations in methane carbon isotope ratios are attributed to changes in pyrogenic and biogenic sources that can be correlated with…”
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An optimized multi-proxy, multi-site Antarctic ice and gas orbital chronology (AICC2012): 120–800 ka by Bazin, L, Landais, A, Lemieux-Dudon, B, Toyé Mahamadou Kele, H, Veres, D, Parrenin, F, Martinerie, P, Ritz, C, Capron, E, Lipenkov, V, Loutre, M.-F, Raynaud, D, Vinther, B, Svensson, A, Rasmussen, S. O, Severi, M, Blunier, T, Leuenberger, M, Fischer, H, Masson-Delmotte, V, Chappellaz, J, Wolff, E

“…An accurate and coherent chronological framework is essential for the interpretation of climatic and environmental records obtained from deep polar ice cores…”
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Timing of Millennial-Scale Climate Change in Antarctica and Greenland during the Last Glacial Period by Blunier, Thomas, Brook, Edward J.

“…A precise relative chronology for Greenland and West Antarctic paleotemperature is extended to 90,000 years ago, based on correlation of atmospheric methane…”
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Continuous monitoring of summer surface water vapor isotopic composition above the Greenland Ice Sheet by Steen-Larsen, H. C, Johnsen, S. J, Masson-Delmotte, V, Stenni, B, Risi, C, Sodemann, H, Balslev-Clausen, D, Blunier, T, Dahl-Jensen, D, Ellehøj, M. D, Falourd, S, Grindsted, A, Gkinis, V, Jouzel, J, Popp, T, Sheldon, S, Simonsen, S. B, Sjolte, J, Steffensen, J. P, Sperlich, P, Sveinbjörnsdóttir, A. E, Vinther, B. M, White, J. W. C

“…We present here surface water vapor isotopic measurements conducted from June to August 2010 at the NEEM (North Greenland Eemian Drilling Project) camp, NW…”
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Modern solar maximum forced late twentieth century Greenland cooling by Kobashi, T., Box, J. E., Vinther, B. M., Goto-Azuma, K., Blunier, T., White, J. W. C., Nakaegawa, T., Andresen, C. S.

“…The abrupt Northern Hemispheric warming at the end of the twentieth century has been attributed to an enhanced greenhouse effect. Yet Greenland and surrounding…”
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Kinetic isotope effects of 12CH3D--+-OH and 13CH3D--+-OH from 278 to 313-K by Joelsson, L M T, Schmidt, J A, Nilsson, E J K, Blunier, T, Griffith, D W T, Ono, S, Johnson, M S

“…Methane is the second most important long-lived greenhouse gas and plays a central role in the chemistry of the Earth's atmosphere. Nonetheless there are…”
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Evidence for a three-phase sequence during Heinrich Stadial 4 using a multiproxy approach based on Greenland ice core records by Guillevic, M, Bazin, L, Landais, A, Stowasser, C, Masson-Delmotte, V, Blunier, T, Eynaud, F, Falourd, S, Michel, E, Minster, B, Popp, T, Prié, F, Vinther, B. M

“…Glacial climate was characterised by two types of abrupt events. Greenland ice cores record Dansgaard–Oeschger events, marked by abrupt warming in-between…”
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A new multi-gas constrained model of trace gas non-homogeneous transport in firn: evaluation and behaviour at eleven polar sites by Witrant, E, Martinerie, P, Hogan, C, Laube, J. C, Kawamura, K, Capron, E, Montzka, S. A, Dlugokencky, E. J, Etheridge, D, Blunier, T, Sturges, W. T

“…Insoluble trace gases are trapped in polar ice at the firn-ice transition, at approximately 50 to 100 m below the surface, depending primarily on the site…”
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A first chronology for the North Greenland Eemian Ice Drilling (NEEM) ice core by Rasmussen, S. O, Abbott, P. M, Blunier, T, Bourne, A. J, Brook, E, Buchardt, S. L, Buizert, C, Chappellaz, J, Clausen, H. B, Cook, E, Dahl-Jensen, D, Davies, S. M, Guillevic, M, Kipfstuhl, S, Laepple, T, Seierstad, I. K, Severinghaus, J. P, Steffensen, J. P, Stowasser, C, Svensson, A, Vallelonga, P, Vinther, B. M, Wilhelms, F, Winstrup, M

“…A stratigraphy-based chronology for the North Greenland Eemian Ice Drilling (NEEM) ice core has been derived by transferring the annual layer counted Greenland…”
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Gas transport in firn: multiple-tracer characterisation and model intercomparison for NEEM, Northern Greenland by Buizert, C, Martinerie, P, Petrenko, V. V, Severinghaus, J. P, Trudinger, C. M, Witrant, E, Rosen, J. L, Orsi, A. J, Rubino, M, Etheridge, D. M, Steele, L. P, Hogan, C, Laube, J. C, Sturges, W. T, Levchenko, V. A, Smith, A. M, Levin, I, Conway, T. J, Dlugokencky, E. J, Lang, P. M, Kawamura, K, Jenk, T. M, White, J. W. C, Sowers, T, Schwander, J, Blunier, T

“…Air was sampled from the porous firn layer at the NEEM site in Northern Greenland. We use an ensemble of ten reference tracers of known atmospheric history to…”
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A 60 yr record of atmospheric carbon monoxide reconstructed from Greenland firn air by Petrenko, V. V, Martinerie, P, Novelli, P, Etheridge, D. M, Levin, I, Wang, Z, Blunier, T, Chappellaz, J, Kaiser, J, Lang, P, Steele, L. P, Hammer, S, Mak, J, Langenfelds, R. L, Schwander, J, Severinghaus, J. P, Witrant, E, Petron, G, Battle, M. O, Forster, G, Sturges, W. T, Lamarque, J.-F, Steffen, K, White, J. W. C

“…We present the first reconstruction of the Northern Hemisphere (NH) high latitude atmospheric carbon monoxide (CO) mole fraction from Greenland firn air. Firn…”
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High-resolution glacial and deglacial record of atmospheric methane by continuous-flow and laser spectrometer analysis along the NEEM ice core by Chappellaz, J, Stowasser, C, Blunier, T, Baslev-Clausen, D, Brook, E. J, Dallmayr, R, Faïn, X, Lee, J. E, Mitchell, L. E, Pascual, O, Romanini, D, Rosen, J, Schüpbach, S

“…The Greenland NEEM (North Greenland Eemian Ice Drilling) operation in 2010 provided the first opportunity to combine trace-gas measurements by laser…”
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Reconstruction of Northern Hemisphere 1950–2010 atmospheric non-methane hydrocarbons by Helmig, D, Petrenko, V, Martinerie, P, Witrant, E, Röckmann, T, Zuiderweg, A, Holzinger, R, Hueber, J, Thompson, C, White, J. W. C, Sturges, W, Baker, A, Blunier, T, Etheridge, D, Rubino, M, Tans, P

“…The short-chain non-methane hydrocarbons (NMHC) are mostly emitted into the atmosphere by anthropogenic processes. Recent studies have pointed out a tight…”
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