Search Results - "White, J.W.C"

Water isotope diffusion rates from the NorthGRIP ice core for the last 16,000 years – Glaciological and paleoclimatic implications by Gkinis, V., Simonsen, S.B., Buchardt, S.L., White, J.W.C., Vinther, B.M.

“…•We describe a temperature reconstruction technique based on the firn diffusion rates of the 18O signal in ice cores.•The technique reconstructs actual firn…”
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History of the Greenland Ice Sheet: paleoclimatic insights by Alley, Richard B., Andrews, J.T., Brigham-Grette, J., Clarke, G.K.C., Cuffey, K.M., Fitzpatrick, J.J., Funder, S., Marshall, S.J., Miller, G.H., Mitrovica, J.X., Muhs, D.R., Otto-Bliesner, B.L., Polyak, L., White, J.W.C.

“…Paleoclimatic records show that the Greenland Ice Sheet consistently has lost mass in response to warming, and grown in response to cooling. Such changes have…”
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GRIP Deuterium Excess Reveals Rapid and Orbital-Scale Changes in Greenland Moisture Origin by Masson-Delmotte, V., Jouzel, J., Landais, A., Stievenard, M., Johnsen, S. J., White, J. W. C., Werner, M., Sveinbjornsdottir, A., Fuhrer, K.

“…The Northern Hemisphere hydrological cycle is a key factor coupling ice sheets, ocean circulation, and polar amplification of climate change. Here we present a…”
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Increase in observed net carbon dioxide uptake by land and oceans during the past 50 years by Ballantyne, A. P., Alden, C. B., Miller, J. B., Tans, P. P., White, J. W. C.

“…A comprehensive carbon dioxide mass balance analysis shows that net global carbon uptake has increased by about 0.05 billion tonnes per year over the past 50…”
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Climatic controls on water vapor deuterium excess in the marine boundary layer of the North Atlantic based on 500 days of in situ, continuous measurements by Steen-Larsen, H. C, Sveinbjörnsdottir, A. E, Peters, A. J, Masson-Delmotte, V, Guishard, M. P, Hsiao, G, Jouzel, J, Noone, D, Warren, J. K, White, J. W. C

“…Continuous, in situ measurements of water vapor isotopic composition have been conducted in the North Atlantic, at the Bermuda Islands (32.26° N, 64.88° W),…”
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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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Temperature and precipitation history of the Arctic by Miller, G.H., Brigham-Grette, J., Alley, R.B., Anderson, L., Bauch, H.A., Douglas, M.S.V., Edwards, M.E., Elias, S.A., Finney, B.P., Fitzpatrick, J.J., Funder, S.V., Herbert, T.D., Hinzman, L.D., Kaufman, D.S., MacDonald, G.M., Polyak, L., Robock, A., Serreze, M.C., Smol, J.P., Spielhagen, R., White, J.W.C., Wolfe, A.P., Wolff, E.W.

“…As the planet cooled from peak warmth in the early Cenozoic, extensive Northern Hemisphere ice sheets developed by 2.6 Ma ago, leading to changes in the…”
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Oxygen-18 concentrations in recent precipitation and ice cores on the Tibetan Plateau by Tian, L., Yao, T., Schuster, P. F., White, J. W. C., Ichiyanagi, K., Pendall, E., Pu, J., Yu, W.

“…A detailed study of the climatic significance of δ18O in precipitation was completed on a 1500 km southwest‐northeast transect of the Tibetan Plateau in…”
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Unexpected Changes to the Global Methane Budget over the Past 2000 Years by Ferretti, D. F, Miller, J. B, White, J. W. C, Etheridge, D. M, Lassey, K. R, Lowe, D. C, Meure, C. M. MacFarling, Dreier, M. F, Trudinger, C. M, van Ommen, T. D, Langenfelds, R. L

“…We report a 2000-year Antarctic ice-core record of stable carbon isotope measurements in atmospheric methane ([delta]¹³CH₄). Large [delta]¹³CH₄ variations…”
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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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Recent changes in north-west Greenland climate documented by NEEM shallow ice core data and simulations, and implications for past-temperature reconstructions by Masson-Delmotte, V, Steen-Larsen, H. C, Ortega, P, Swingedouw, D, Popp, T, Vinther, B. M, Oerter, H, Sveinbjornsdottir, A. E, Gudlaugsdottir, H, Box, J. E, Falourd, S, Fettweis, X, Gallée, H, Garnier, E, Gkinis, V, Jouzel, J, Landais, A, Minster, B, Paradis, N, Orsi, A, Risi, C, Werner, M, White, J. W. C

“…Combined records of snow accumulation rate, δ18O and deuterium excess were produced from several shallow ice cores and snow pits at NEEM (North Greenland…”
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The GRIP deuterium-excess record by Jouzel, J., Stiévenard, M., Johnsen, S.J., Landais, A., Masson-Delmotte, V., Sveinbjornsdottir, A., Vimeux, F., von Grafenstein, U., White, J.W.C.

“…Ice cores from Greenland and Antarctica are ideal archives for retrieving long time series of deuterium-excess ( d = δ D — 8 * δ 18 O ), a parameter influenced…”
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No inter-hemispheric δ[sup.13]C[H.sub.4] trend observed by Levin, I, Veidt, C, Vaughn, B.H, Brailsford, G, Bromley, T, Heinz, R, Lowe, D, Miller, J.B, Poss, C, White, J.W.C

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Extensive observations of CO2 carbon isotope content in and above a high-elevation subalpine forest by Bowling, D.R, Burns, S.P, Conway, T.J, Monson, R.K, White, J.W.C

“…The dynamics of forest‐atmosphere CO2 carbon isotope exchange were examined in a coniferous forest in Colorado, United States. Tunable diode laser absorption…”
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Biosphere model simulations of interannual variability in terrestrial 13C/12C exchange by van der Velde, I. R., Miller, J. B., Schaefer, K., Masarie, K. A., Denning, S., White, J. W. C., Tans, P. P., Krol, M. C., Peters, W.

“…Previous studies suggest that a large part of the variability in the atmospheric ratio of 13CO2/12CO2originates from carbon exchange with the terrestrial…”
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Synchronous climate changes in Antarctica and the North Atlantic by Steig, E.J. (University of Pennsylvania, Philadelphia, PA.), Brook, E.J, White, J.W.C, Sucher, C.M, Bender, M.L, Lehman, S.J, Morse, D.L, Waddington, E.D, Clow, G.D

“…Central Greenland ice cores provide evidence of abrupt changes in climate over the past 100,000 years. Many of these changes have also been identified in…”
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Corrigendum to “Temperature and precipitation history of the Arctic” [Quat. Sci. Rev. 29 (2010) 1679–1715] by Miller, G.H., Brigham-Grette, J., Alley, R.B., Anderson, L., Bauch, H.A., Douglas, M.S.V., Edwards, M.E., Elias, S.A., Finney, B.P., Fitzpatrick, J.J., Funder, S.V., Herbert, T.D., Hinzman, L.D., Kaufman, D.S., MacDonald, G.M., Polyak, L., Robock, A., Serreze, M.C., Smol, J.P., Spielhagen, R., White, J.W.C., Wolfe, A.P., Wolff, E.W.

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Holocene hydrological cycle changes in the Southern Hemisphere documented in East Antarctic deuterium excess records by VIMEUX, F, MASSON, V, JOUZEL, J, PETIT, J. R, STEIG, E. J, STIEVENARD, M, VAIKMAE, R, WHITE, J. W. C

“…Four Holocene-long East Antarctic deuterium excess records are used to study past changes of the hydrological cycle in the Southern Hemisphere. We combine…”
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Abrupt climate change around 22 ka on the Siple Coast of Antarctica by Taylor, K.C., White, J.W.C., Severinghaus, J.P., Brook, E.J., Mayewski, P.A., Alley, R.B., Steig, E.J., Spencer, M.K., Meyerson, E., Meese, D.A., Lamorey, G.W., Grachev, A., Gow, A.J., Barnett, B.A.

“…A new ice core from Siple Dome, Antarctica suggests the surface temperature increased by ∼6°C in just several decades at approximately 22 ka BP. This abrupt…”
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The Holocene-Younger Dryas Transition Recorded at Summit, Greenland by Taylor, K. C., Mayewski, P. A., Alley, R. B., Brook, E. J., Gow, A. J., Grootes, P. M., Meese, D. A., Saltzman, E. S., Severinghaus, J. P., Twickler, M. S., White, J. W. C., Whitlow, S., Zielinski, G. A.

“…Analysis of ice from Dye-3, Greenland, has demonstrated that the transition between the Younger Dryas and Holocene climate periods occurred over a 40-year…”
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