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  • 1
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    Roosevelt Island Climate Evolution (RICE) ice core isotope record (2017)
    PANGAEA
    In:  Supplement to: Bertler, Nancy A; Conway, Howard; Dahl-Jensen, Dorthe; Emanuelsson, Urban; Winstrup, Mai; Vallelonga, Paul T; Lee, James E; Brook, Edward J; Severinghaus, Jeffrey P; Fudge, Tyler J; Keller, Elizabeth D; Baisden, W Troy; Hindmarsh, Richard C A; Neff, Peter D; Blunier, Thomas; Edwards, Ross L; Mayewski, Paul Andrew; Kipfstuhl, Sepp; Buizert, Christo; Canessa, Silvia; Dadic, Ruzica; Kjær, Helle Astrid; Kurbatov, Andrei; Zhang, Dongqi; Waddington, Edwin D; Baccolo, Giovanni; Beers, Thomas; Brightley, Hannah J; Carter, Lionel; Clemens-Sewall, David; Ciobanu, Viorela G; Delmonte, Barbara; Eling, Lukas; Ellis, Aja A; Ganesh, Shruthi; Golledge, Nicholas R; Haines, Skylar A; Handley, Michael; Hawley, Robert L; Hogan, Chad M; Johnson, Katelyn M; Korotkikh, Elena; Lowry, Daniel P; Mandeno, Darcy; McKay, Robert M; Menking, James A; Naish, Timothy R; Noerling, Caroline; Ollive, Agathe; Orsi, Anais J; Proemse, Bernadette C; Pyne, Alexander R; Pyne, Rebecca L; Renwick, James; Scherer, Reed P; Semper, Stefanie; Simonsen, Marius; Sneed, Sharon B; Steig, Eric J; Tuohy, Andrea; Ulayottil Venugopal, Abhijith; Valero Delgado, Fernando; Venkatesh, Janani; Wang, Feitang; Wang, Shimeng; Winski, Dominic A; Winton, Victoria H L; Whiteford, Arran; Xiao, Cunde; Yang, Jiao; Zhang, Xin (2018): The Ross Sea dipole - temperature, snow accumulation and sea ice variability in the Ross Sea region, Antarctica, over the past 2700 years. Climate of the Past, 14, 193-214, https://doi.org/10.5194/cp-14-193-2018
    Details
    Publication Date: 2024-03-18
    Description: High-resolution, well-dated climate archives provide an opportunity to investigate the dynamic interactions of climate patterns relevant for future projections. Here, we present data from a new, annually-dated ice core record from the eastern Ross Sea. Comparison of the Roosevelt Island Climate Evolution (RICE) ice core records with climate reanalysis data for the 1979-2012 calibration period shows that RICE records reliably capture temperature and snow precipitation variability of the region. RICE is compared with data from West Antarctica (West Antarctic Ice Sheet Divide Ice Core) and the western (Talos Dome) and eastern (Siple Dome) Ross Sea. For most of the past 2,700 years, the eastern Ross Sea was warming with perhaps increased snow accumulation and decreased sea ice extent. However, West Antarctica cooled whereas the western Ross Sea showed no significant temperature trend. From the 17th Century onwards, this relationship changes. All three regions now show signs of warming, with snow accumulation declining in West Antarctica and the eastern Ross Sea, but increasing in the western Ross Sea. Analysis of decadal to centennial-scale climate variability superimposed on the longer term trend reveal that periods characterised by opposing temperature trends between the Eastern and Western Ross Sea have occurred since the 3rd Century but are masked by longer-term trends. This pattern here is referred to as the Ross Sea Dipole, caused by a sensitive response of the region to dynamic interactions of the Southern Annual Mode and tropical forcings.
    Keywords: AGE; Age, maximum/old; Age, minimum/young; DEPTH, ice/snow; ICEDRILL; Ice drill; Isotope ratio mass spectrometry; RICE; Roosevelt Island, Antarctica; δ Deuterium
    Type: Dataset
    Format: text/tab-separated-values, 8136 data points
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    DATA PANGAEA
  • 2
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    Condensed Matter Researches in Cryospheric Science (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
    Details
    Publication Date: 2022-01-31
    Description: The cryosphere is very sensitive to climate change, and glaciers represent one of the most important archives of atmospheric composition and its variability. From the Himalaya to the European Alps, the longest mid-latitude mountain chain in the world, lie thousands of glaciers that have collected atmospheric compounds over the last millennia. China and Italy are located at the opposite terminals of this long mountain chain, comprising strategic positions for understanding climate evolution and providing important information for the modeling of future climates. The results presented are highlights of some of the most recent advances in cryospheric studies, especially on the topic of mineral dust and aerosols in the atmosphere. They evidence the complexity of the chemical–physical processes involving solid compounds occurring in glacier, snow, and permafrost environments, covering different aspects such as spatial and temporal trends, as well as the impact of mineral and nonmineral particles. Results also show that recent advances in measurement techniques and source apportionment may be powerful and sophisticated tools to provide novel, high-quality scientific information.
    Keywords: GE1-350 ; Q1-390 ; XAS spectroscopy ; bacteria ; XANES ; mineral elements ; X-ray fluorescence spectroscopy ; iron geochemistry ; ice ; X-ray absorption fine structure spectroscopy ; mineral dust ; compositional data analysis ; synchrotron radiation ; dust ; global warming hiatus ; simultaneous measurements ; TXRF ; low concentration elemental analysis ; global warming slowdown ; paleoclimatology ; water ; X-ray fluorescence ; snow ; long-range transport ; southern hemisphere ; Antarctica ; ice core ; cryoconite ; evaporation ; contaminants ; POPs ; paleoclimate ; XANES and LCF ; ultra-dilution ; particulate matter ; trace elements ; atmospheric mineral dust ; cryospheric sciences ; ice cores ; X-ray absorption near edge spectroscopy ; droplets ; Arctic rapid warming ; microbiology ; cryosphere ; polycapillary optics ; environment ; Laohugou glacier ; iron speciation ; X-ray absorption spectroscopy ; Arctic ; insoluble dust
    Language: English
    Format: application/octet-stream
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    E-BOOK
  • 3
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    Trends and spatial variation in rain-on-snow events over the Arctic Ocean during the early melt season (2021)
    COPERNICUS GESELLSCHAFT MBH
    In:  EPIC3Cryosphere, COPERNICUS GESELLSCHAFT MBH, 15(2), pp. 883-895, ISSN: 1994-0416
    Details
    Publication Date: 2021-07-01
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 4
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    Evaluation of atmospheric boundary layer - surface process relationships in a regional climate model along an East Antarctic traverse (2012)
    AMER GEOPHYSICAL UNION
    In:  EPIC3Journal of Geophysical Research-Atmospheres, AMER GEOPHYSICAL UNION, 117(D09121), ISSN: 0148-0227
    Details
    Publication Date: 2019-07-16
    Description: Some primary physical relationships related to the surface climate and atmospheric boundary layer were examined over East Antarctica and evaluated in the regional climate model HIRHAM for 2005–2008. For stable conditions, the observation-derived relationship between wind-scaled sensible heat flux and air-surface temperature difference distinctively differs between different surface flux parameterizations. Some of them decrease the heat transfer coefficient CH for strongly stable conditions, while others, such as the Louis scheme, do not. However, HIRHAM’s application of the Louis parameterization produces small CH for strongly stable conditions similar to observations and other schemes, likely because a surface roughness much larger than observed is used and the bulk Richardson number differs. For Zhongshan, the observed radiation-cloud, temperature-cloud, and temperature-wind relationships are reproduced in the model, though quantitative differences are evident. An observed longwave warming effect of clouds is larger in the model, while the reduction of downwelling shortwave radiation by clouds is twice as large in the model. The model partially reproduces an observed weak wind regime associated with atmospheric decoupling, but fails to reproduce increasing temperatures with increasing winds. The quantitative differences in the radiation-cloud relationship suggest that errors in cloud characteristics produce a significant deficiency in downwelling net radiation for clear and cloudy conditions. This deficiency is the likely cause of HIRHAM’s strong cold bias in the surface temperature and positive bias in near-surface stability. The sensible heat flux analyses and a sensitivity test suggest that errors in the sensible heat flux relationship are not the primary cause.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 5
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    Upwelling of Atlantic Water in Barrow Canyon, Chukchi Sea (2022)
    American Geophysical Union
    Details
    Publication Date: 2022-08-26
    Description: Author Posting. © American Geophysical Union, 2022. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research: Oceans 127(3), (2022): e2021JC017839, https://doi.org/10.1029/2021JC017839.
    Description: Using long-term moorings data together with wind and sea ice measurements, we document the characteristics and variations of upwelling in Barrow Canyon and investigate the upwelled Atlantic Water (AW) on the Chukchi Sea shelf and how it impacts the ice cover. Driven by strong northeasterly winds, upwelling occurs more often in the cold months, and the occurrence tends to increase interannually since 2001. Over the 12-year mooring record at the mouth of Barrow Canyon, roughly 10% of the upwelling events can drive AW onto the Chukchi Sea shelf. Both AW and non-AW upwelling events have more occurrence and stronger strength in the cold months, but do not present a significant interannual trend. These variations are associated with the northeasterly winds. Comparing to the non-AW upwelling, the AW upwelling is generally characterized by more vertical displacement of the AW layer at the mouth of Barrow Canyon, and stronger up-canyon volume and heat transport. In the ice-covered period, these two types of upwelling have different consequences for forming polynyas on the shelf. Under similar wind forcing, the ice reduction appears confined in the coastal region in the non-AW upwelling events, while during AW upwelling events, the sea ice declines dramatically in the shelf interior with 15% more ice loss. It elucidates that the heat carried by the upwelled AW plays a considerable role in modulating the ice cover in the shelf interior.
    Description: This work was supported by the National Key Research and Development Program of China under Grant 2018YFC1406104; and the National Nature Science Foundation of China under grants NSFC 41425003 and NSFC 41971084 (S. Li, T. Dou, C. Xiao, and D. Qin); and the National Science Foundation under grants PLR-1504333 and OPP-1733564; the National Oceanic and Atmospheric Administration under grant NA14OAR4320158 (P. Lin); Arctic Challenge for Sustainability II (ArCSII, M. Itoh, T. Kikuchi).
    Description: 2022-08-26
    Keywords: upwelling ; Atlantic Water ; Sea Ice ; Barrow Canyon ; Chukchi Sea
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 6
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    Sea Salt Sodium Record in a Shallow Ice Core from East Antarctica as a Potential Proxy of the Antarctic Sea Ice Extent in Southern Indian Ocean (2019)
    Springer
    Details
    Publication Date: 2019-07-07
    Print ISSN: 1672-5182
    Electronic ISSN: 1993-5021
    Topics: Geosciences
    Published by Springer
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    PAPER CURRENT
  • 7
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    Moraine-dammed lake distribution and outburst flood risk in the Chinese Himalaya (2015)
    Cambridge University Press
    Details
    Publication Date: 2015-05-10
    Print ISSN: 0022-1430
    Electronic ISSN: 1727-5652
    Topics: Geography , Geosciences
    Published by Cambridge University Press on behalf of The International Glaciological Society (IGS).
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  • 8
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    The temperature increase in Greenland has accelerated in the past five years (2020)
    Elsevier
    Details
    Publication Date: 2020-11-01
    Print ISSN: 0921-8181
    Electronic ISSN: 1872-6364
    Topics: Geosciences , Physics
    Published by Elsevier
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  • 9
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    Identification of multiple natural and anthropogenic sources of dust in snow from Zhongshan Station to Dome A, East Antarctica (2018)
    Cambridge University Press
    Details
    Publication Date: 2018
    Description: 〈div data-abstract-type="normal"〉〈p〉The stable oxygen isotope composition, major ions and isotopic compositions of strontium (Sr), neodymium (Nd) and lead (Pb) in insoluble dust from recent surface snow samples along the transect from the Zhongshan and Progress stations (located on the Amery Ice Shelf, East Antarctica) to Dome A (Summit, Antarctica) were analysed. No previous isotopic fingerprinting studies have been conducted for this transect. These data were used to document the dust provenances in Antarctica along the transect up to the highest site, Dome A, for the first time. The insoluble dust in snow samples along the coast displays an overall crust-line isotopic signature that is characterised by highly radiogenic 〈span〉87〈/span〉Sr/〈span〉86〈/span〉Sr values and less radiogenic 〈span〉143〈/span〉Nd/〈span〉144〈/span〉Nd values. These signatures are comparable with those of samples collected near the ice-free areas of the Zhongshan and Progress stations. Spatial differences are statistically significant along the transect, and the Sr, Nd and Pb isotope components in insoluble dust from two continuous snow samples at Dome A exhibit marked differences, indicating that additional dust reaches the East Antarctic Plateau. The isotopic characteristics of insoluble dust from this transect indicate that the long-distance natural dust and anthropogenic pollutants in these samples primarily originate from Australia.〈/p〉〈/div〉
    Print ISSN: 0022-1430
    Electronic ISSN: 1727-5652
    Topics: Geography , Geosciences
    Published by Cambridge University Press on behalf of The International Glaciological Society (IGS).
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  • 10
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    New focuses of polar ice-core study: NEEM and Dome A (2008)
    Elsevier
    Details
    Publication Date: 2008-12-16
    Print ISSN: 2095-9273
    Electronic ISSN: 2095-9281
    Topics: Natural Sciences in General
    Published by Elsevier
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