Showing 1 - 19 results of 19 for search '"Greenland ice core project"', query time: 0.13s Refine Results
  1. 1

    High-resolution aerosol data from the top 3.8 kyr of the East Greenland Ice coring Project (EGRIP) ice core by T. Erhardt, T. Erhardt, T. Erhardt, C. M. Jensen, C. M. Jensen, F. Adolphi, F. Adolphi, F. Adolphi, H. A. Kjær, R. Dallmayr, B. Twarloh, M. Behrens, M. Hirabayashi, K. Fukuda, J. Ogata, F. Burgay, F. Burgay, F. Scoto, F. Scoto, I. Crotti, A. Spagnesi, A. Spagnesi, N. Maffezzoli, N. Maffezzoli, D. Segato, D. Segato, C. Paleari, F. Mekhaldi, R. Muscheler, S. Darfeuil, H. Fischer, H. Fischer

    Published 2023-11-01
    “…<p>Here we present the high-resolution continuous flow analysis (CFA) data from the top 479 <span class="inline-formula">m</span> of the East Greenland Ice coring Project (EGRIP) ice core covering the past 3.8 kyr. …”
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  2. 2

    Towards reconstructing the Arctic atmospheric methane history over the 20th century: measurement and modelling results for the North Greenland Ice Core Project firn by T. Umezawa, S. Sugawara, K. Kawamura, K. Kawamura, K. Kawamura, I. Oyabu, S. J. Andrews, S. J. Andrews, T. Saito, S. Aoki, T. Nakazawa

    Published 2022-05-01
    “…We newly report a data set of trace gases from the air trapped in firn (an intermediate stage between snow and glacial ice formation) collected at the NGRIP (North Greenland Ice Core Project) site in 2001. We also use a set of published firn air data at the NEEM (North Greenland Eemian ice Drilling) site. …”
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  3. 3

    Evaluating the 11-year solar cycle and short-term <sup>10</sup>Be deposition events with novel excess water samples from the East Greenland Ice-core Project (EGRIP) by C. I. Paleari, F. Mekhaldi, F. Mekhaldi, T. Erhardt, T. Erhardt, M. Zheng, M. Zheng, M. Christl, F. Adolphi, F. Adolphi, M. Hörhold, R. Muscheler

    Published 2023-11-01
    “…We compare two records obtained from CFA and discrete samples from the East Greenland Ice core Project (EGRIP) S6 firn core, reaching back to 1900 CE. …”
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  4. 4

    Surface accumulation in Northern Central Greenland during the last 300 years by Nanna B. Karlsson, Sebastian Razik, Maria Hörhold, Anna Winter, Daniel Steinhage, Tobias Binder, Olaf Eisen

    Published 2020-04-01
    “…The second survey was carried out during the traverse from NEEM to the ice-core station EGRIP (East Greenland Ice Core Project) and then onwards to Summit Station. …”
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  5. 5

    Statistical appraisal of geothermal heat flow observations in the Arctic by J. Freienstein, W. Szwillus, A. Wansing, J. Ebbing

    Published 2024-04-01
    “…We find that most of the continental heat flow observations have a high reliability and agreement to solid Earth models, except a few data points, such as, for example, the NGRIP (North Greenland Ice Core Project) point in central Greenland.</p> <p>For further testing, we perform a conditional simulation with focus on Greenland in which the local characteristics of heat flow structures can be considered. …”
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  6. 6

    Improved estimation of the bulk ice crystal fabric asymmetry from polarimetric phase co-registration by O. Zeising, T. A. Gerber, O. Eisen, O. Eisen, M. R. Ershadi, N. Stoll, N. Stoll, I. Weikusat, I. Weikusat, A. Humbert, A. Humbert

    Published 2023-03-01
    “…We applied this method to six radar measurements from the East Greenland Ice-core Project (EastGRIP) drill site on Greenland's largest ice stream to give a proof of concept by comparing the results with the horizontal asymmetry of the bulk crystal anisotropy derived from the ice core. …”
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  7. 7

    Bed topography and subglacial landforms in the onset region of the Northeast Greenland Ice Stream by Steven Franke, Daniela Jansen, Tobias Binder, Nils Dörr, Veit Helm, John Paden, Daniel Steinhage, Olaf Eisen

    Published 2020-04-01
    “…We present a record of more than 8000 km of radar survey lines of multi-channel, ultra-wideband radio echo sounding data covering an area of 24 000 km2, centered on the drill site for the East Greenland Ice-core Project (EGRIP), in the upper part of the NEGIS catchment. …”
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  8. 8

    Isotopic diffusion in ice enhanced by vein-water flow by F. S. L. Ng

    Published 2023-07-01
    “…This modulation can significantly impact signal smoothing at ice-core sites in Greenland and Antarctica, as shown by simulations for the GRIP (Greenland Ice Core Project) and EPICA (European Project for Ice Coring in Antarctica) Dome C sites, which reveal sensitive modulation of their diffusion-length profiles when vein-flow velocities reach <span class="inline-formula">∼</span> 10<span class="inline-formula"><sup>1</sup></span>–10<span class="inline-formula"><sup>2</sup></span> m yr<span class="inline-formula"><sup>−1</sup></span>. …”
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  9. 9

    Prototype wireless sensors for monitoring subsurface processes in snow and firn by ELIZABETH A. BAGSHAW, NANNA B. KARLSSON, LAI BUN LOK, BEN LISHMAN, LINDSAY CLARE, KEITH W. NICHOLLS, STEVE BURROW, JEMMA L. WADHAM, OLAF EISEN, HUGH CORR, PAUL BRENNAN, DORTHE DAHL-JENSEN

    Published 2018-12-01
    “…We explore the potential of small wireless sensors (ETracer+, ET+) to measure temperature, pressure, electrical conductivity and thus the presence or absence of meltwater within firn, through tests in the dry snow zone at the East Greenland Ice Core Project site. The tested sensor platforms are small, robust and low cost, and communicate data via a VHF radio link to surface receivers. …”
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  10. 10

    Disparate energy sources for slow and fast Dansgaard–Oeschger cycles by D. Liebrand, D. Liebrand, D. Liebrand, A. T. M. de Bakker, H. J. H. Johnstone, C. S. Miller

    Published 2023-07-01
    “…Here, we identify the energy sources of DO cycles by applying a bispectral analysis to the North Greenland Ice Core Project (NGRIP) oxygen isotope (<span class="inline-formula"><i>δ</i><sup>18</sup></span>O<span class="inline-formula"><sub>ice</sub></span>) record; a 123 kyr long proxy record of air temperatures (<span class="inline-formula"><i>T</i><sub>air</sub></span>) over Greenland. …”
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  11. 11

    Chemical and visual characterisation of EGRIP glacial ice and cloudy bands within by N. Stoll, N. Stoll, J. Westhoff, P. Bohleber, A. Svensson, D. Dahl-Jensen, D. Dahl-Jensen, C. Barbante, C. Barbante, I. Weikusat, I. Weikusat

    Published 2023-05-01
    “…We classified approximately 1300 cloudy bands from glacial ice from the East Greenland Ice-core Project (EGRIP) ice core into seven different types. …”
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  12. 12

    Novel automated inversion algorithm for temperature reconstruction using gas isotopes from ice cores by M. Döring, M. Döring, M. C. Leuenberger, M. C. Leuenberger

    Published 2018-06-01
    “…This is shown by fitting of the North Greenland Ice Core Project (NGRIP) <i>δ</i><sup>15</sup>N data for two Dansgaard–Oeschger events using the presented approach, leading to results comparable to other studies.…”
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  13. 13

    On the importance of the humidity flux for the surface mass balance in the accumulation zone of the Greenland Ice Sheet by L. J. Dietrich, H. C. Steen-Larsen, S. Wahl, S. Wahl, A.-K. Faber, X. Fettweis

    Published 2024-01-01
    “…In this study, we evaluate the regional climate model MAR at the EGRIP (East Greenland Ice-Core Project) site in the accumulation zone of the GrIS. …”
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  14. 14

    Spatial and temporal stable water isotope data from the upper snowpack at the EastGRIP camp site, NE Greenland, sampled in summer 2018 by A. M. Zuhr, S. Wahl, H. C. Steen-Larsen, M. Hörhold, H. Meyer, V. Gkinis, T. Laepple, T. Laepple

    Published 2024-04-01
    “…</p> <p>Here, we present a dataset of approximately 3800 snow samples analysed for their stable water isotope composition, which were obtained during the summer season next to the deep drilling site of the East Greenland Ice Core Project in northeast Greenland (75.635411° N, 36.000250° W). …”
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  15. 15

    On the occurrence of annual layers in Dome Fuji ice core early Holocene ice by A. Svensson, S. Fujita, M. Bigler, M. Braun, R. Dallmayr, V. Gkinis, K. Goto-Azuma, M. Hirabayashi, K. Kawamura, S. Kipfstuhl, H. A. Kjær, T. Popp, M. Simonsen, J. P. Steffensen, P. Vallelonga, B. M. Vinther

    Published 2015-09-01
    “…A layer counting based on the same principles as those previously applied to the NGRIP (North Greenland Ice core Project) and the Antarctic EPICA (European Project for Ice Coring in Antarctica) Dronning Maud Land (EDML) ice cores leads to a mean annual layer thickness for the DF ice of 3.0 ± 0.3 cm that compares well to existing estimates. …”
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  16. 16

    Post-bubble close-off fractionation of gases in polar firn and ice cores: effects of accumulation rate on permeation through overloading pressure by T. Kobashi, T. Ikeda-Fukazawa, M. Suwa, J. Schwander, T. Kameda, J. Lundin, A. Hori, H. Motoyama, M. Döring, M. Leuenberger

    Published 2015-12-01
    “…In this study, we investigated high-resolution δAr/N<sub>2</sub> of the GISP2 (Greenland Ice Sheet Project 2), NGRIP (North Greenland Ice Core Project), and Dome Fuji ice cores for the past few thousand years. …”
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  17. 17

    Stable stadial and interstadial states of the last glacial's climate identified in a combined stable water isotope and dust record from Greenland by K. Riechers, K. Riechers, L. Rydin Gorjão, L. Rydin Gorjão, L. Rydin Gorjão, L. Rydin Gorjão, F. Hassanibesheli, P. G. Lind, P. G. Lind, P. G. Lind, D. Witthaut, D. Witthaut, N. Boers, N. Boers, N. Boers

    Published 2023-05-01
    “…Treating the combined <span class="inline-formula"><i>δ</i><sup>18</sup></span>O and dust record obtained by the North Greenland Ice Core Project (NGRIP) as a realisation of a two-dimensional, time-homogeneous, and Markovian stochastic process, we present a reconstruction of its underlying deterministic drift based on the leading-order terms of the Kramers–Moyal equation. …”
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  18. 18

    Exploring the role of snow metamorphism on the isotopic composition of the surface snow at EastGRIP by R. Harris Stuart, R. Harris Stuart, A.-K. Faber, S. Wahl, M. Hörhold, S. Kipfstuhl, K. Vasskog, M. Behrens, A. M. Zuhr, A. M. Zuhr, H. C. Steen-Larsen

    Published 2023-03-01
    “…Continuous daily SSA measurements from the East Greenland Ice Core Project site (EastGRIP) during the summer seasons of 2017, 2018 and 2019 are used to develop an empirical decay model to describe events of rapid decrease in SSA linked to snow metamorphism. …”
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  19. 19

    The 8.2&thinsp;ka event in northern Spain: timing, structure and climatic impact from a multi-proxy speleothem record by H. Kilhavn, H. Kilhavn, I. Couchoud, I. Couchoud, R. N. Drysdale, C. Rossi, J. Hellstrom, F. Arnaud, H. Wong

    Published 2022-10-01
    “…This compares favourably with the North Greenland Ice Core Project (NGRIP) record. The comparison also reveals that the El Soplao <span class="inline-formula"><i>δ</i><sup>18</sup></span>O is structurally similar to the other archives in south-western Europe and the NGRIP ice-core record.…”
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