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  • Journals
  • Articles  (68)
  • Alfred Wegener Institute for Polar and Marine Research  (50)
  • IUGG Secretariat, GFZ German Research Centre for Geosciences  (10)
  • Copernicus Publications  (8)
  • 2015-2019  (68)
  • 1
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    Project and Community Management in Polar Sciences – Challenges and Opportunities (2019)
    Copernicus Publications
    In:  EPIC3Advances in Geosciences, Copernicus Publications, 46, pp. 25-43, ISSN: 1680-7340
    Details
    Publication Date: 2019-08-01
    Description: Because geoscientific research often occurs via community-instigated bursts of activity with multi-investigator collaborations variously labelled as e.g., years (The International Polar Year IPY), experiments (World Ocean Circulation Experiment WOCE), programs (International Ocean Discovery Program), missions (CRYOSAT spacecraft), or decades (The International Decade of Ocean Exploration IDOE), successful attainment of research goals generally requires skilful scientific project management. In addition to the usual challenges of matching scientific ambitions to limited resources, on-going coordination and specifically project management, planning and implementation of polar science projects often involve many uncertainties caused by, for example, unpredictable weather or ocean and sea ice conditions, large-scale logistical juggling; and often these collaborations are spatially distributed and take place virtually. Large amounts of funding are needed to procure the considerable infrastructure and technical equipment required for polar expeditions; permissions to enter certain regions must be requested; and potential risks for expedition members as well as technical issues in extreme environments need to be considered. All these aspects are challenging for polar science projects, which therefore need a well thought-through program including a realistic alternative “plan B” and possibly also a “plan C” and “plan D”. The four most challenging overarching themes in polar science project management have been identified: international cooperation, interdisciplinarity, infrastructure, and community management. In this paper, we address ongoing challenges and opportunities in polar science project management based on a survey among 199 project and community managers and an additional of 85 project team members active in the field of polar sciences. Case studies and survey results are discussed with the conclusive goal to provide recommendations on how to fully reach the potential of polar sciences project and community management.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 2
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    IUGG Electronic Journal Vol. 16 (2016)
    IUGG Secretariat, GFZ German Research Centre for Geosciences
    Details
    Publication Date: 2020-02-12
    Description: These short, informal newsletters, issued every month on approximately the first day of the month, are intended to keep IUGG Member National Committees informed about the activities of the IUGG Associations and actions of the IUGG Secretariat. Special issues are sometimes distributed mid-month as deemed appropriate. The content usually includes a synopsis of scientific meetings during the following three months in order to illustrate the disciplinary and geographical diversity of IUGG interests. E-Journals may be forwarded to those who will benefit from the information.
    Language: English
    Type: info:eu-repo/semantics/other
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  • 3
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    IUGG Electronic Journal Vol. 18 (2018)
    IUGG Secretariat, GFZ German Research Centre for Geosciences
    Details
    Publication Date: 2023-03-03
    Description: These short, informal newsletters, issued every month on approximately the first day of the month, are intended to keep IUGG Member National Committees informed about the activities of the IUGG Associations and actions of the IUGG Secretariat. Special issues are sometimes distributed mid-month as deemed appropriate. The content usually includes a synopsis of scientific meetings during the following three months in order to illustrate the disciplinary and geographical diversity of IUGG interests. E-Journals may be forwarded to those who will benefit from the information.
    Language: English
    Type: info:eu-repo/semantics/other
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    GFZ OAI
  • 4
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    IUGG Electronic Journal Vol. 15 (2015)
    IUGG Secretariat, GFZ German Research Centre for Geosciences
    Details
    Publication Date: 2020-02-12
    Description: These short, informal newsletters, issued every month on approximately the first day of the month, are intended to keep IUGG Member National Committees informed about the activities of the IUGG Associations and actions of the IUGG Secretariat. Special issues are sometimes distributed mid-month as deemed appropriate. The content usually includes a synopsis of scientific meetings during the following three months in order to illustrate the disciplinary and geographical diversity of IUGG interests. E-Journals may be forwarded to those who will benefit from the information.
    Language: English
    Type: info:eu-repo/semantics/other
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    GFZ OAI
  • 5
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    IUGG Electronic Journal Vol. 17 (2017)
    IUGG Secretariat, GFZ German Research Centre for Geosciences
    Details
    Publication Date: 2020-02-12
    Description: These short, informal newsletters, issued every month on approximately the first day of the month, are intended to keep IUGG Member National Committees informed about the activities of the IUGG Associations and actions of the IUGG Secretariat. Special issues are sometimes distributed mid-month as deemed appropriate. The content usually includes a synopsis of scientific meetings during the following three months in order to illustrate the disciplinary and geographical diversity of IUGG interests. E-Journals may be forwarded to those who will benefit from the information.
    Language: English
    Type: info:eu-repo/semantics/other
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  • 6
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    IUGG Electronic Journal Vol. 19 (2019)
    IUGG Secretariat, GFZ German Research Centre for Geosciences
    Details
    Publication Date: 2023-03-03
    Description: These short, informal newsletters, issued every month on approximately the first day of the month, are intended to keep IUGG Member National Committees informed about the activities of the IUGG Associations and actions of the IUGG Secretariat. Special issues are sometimes distributed mid-month as deemed appropriate. The content usually includes a synopsis of scientific meetings during the following three months in order to illustrate the disciplinary and geographical diversity of IUGG interests. E-Journals may be forwarded to those who will benefit from the information.
    Language: English
    Type: info:eu-repo/semantics/other
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  • 7
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    Late-glacial to late-Holocene shifts in global precipitation δ18O (2015)
    Copernicus Publications
    In:  EPIC3Climate of the Past, Copernicus Publications, 11(10), pp. 1375-1393, ISSN: 1814-9332
    Details
    Publication Date: 2015-12-09
    Description: Reconstructions of Quaternary climate are often based on the isotopic content of paleo-precipitation preserved in proxy records. While many paleo-precipitation isotope records are available, few studies have synthesized these dispersed records to explore spatial patterns of late-glacial precipitation δ18O. Here we present a synthesis of 86 globally distributed groundwater (n = 59), 
cave calcite (n = 15) and ice core (n = 12)
 isotope records spanning the late-glacial (defined as
 ~ 50000 to ∼ 20000 years ago) to the late-Holocene (within the past ∼5000 years). We show that precipitation δ18O changes from the late-glacial to the late-Holocene range from −7.1 ‰ (δ18Olate-Holocene 〉 δ18Olate-glacial) to +1.7 ‰ (δ18Olate-glacial 〉 δ18Olate-Holocene), with the majority (77 %) of records having lower late-glacial δ18O than late-Holocene δ18O values. High-magnitude, negative precipitation δ18O shifts are common at high latitudes, high altitudes and continental interiors (δ18Olate-Holocene 〉 δ18Olate-glacial by more than 3‰). Conversely, low-magnitude, positive precipitation δ18O shifts are concentrated along tropical and subtropical coasts (δ18Olate-glacial 〉 δ18Olate-Holocene by less than 2 ‰). Broad, global patterns of late-glacial to late-Holocene precipitation δ18O shifts suggest that stronger-than-modern isotopic distillation of air masses prevailed during the late-glacial, likely impacted by larger global temperature differences between the tropics and the poles. Further, to test how well general circulation models reproduce global precipitation δ18O shifts, we compiled simulated precipitation δ18O shifts from five isotope-enabled general circulation models simulated under recent and last glacial maximum climate states. Climate simulations generally show better inter-model and model-measurement agreement in temperate regions than in the tropics, highlighting a need for further research to better understand how inter-model spread in convective rainout, seawater δ18O and glacial topography parameterizations impact simulated precipitation δ18O. Future research on paleo-precipitation δ18O records can use the global maps of measured and simulated late-glacial precipitation isotope compositions to target and prioritize field sites.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 8
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    Global carbon budget 2014 (2015)
    Copernicus Publications
    In:  EPIC3Earth System Science Data, Copernicus Publications, 7(1), pp. 47-85, ISSN: 1866-3516
    Details
    Publication Date: 2019-10-04
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev , info:eu-repo/semantics/article
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  • 9
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    Global Carbon Budget 2016 (2016)
    Copernicus Publications
    In:  EPIC3Earth System Science Data, Copernicus Publications, 8(2), pp. 605-649, ISSN: 1866-3516
    Details
    Publication Date: 2016-11-15
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 10
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    IODP workshop: developing scientific drilling proposals for the Argentina Passive Volcanic Continental Margin (APVCM) – basin evolution, deep biosphere, hydrates, sediment dynamics and ocean evolution (2017)
    Copernicus Publications
    In:  EPIC3Scientific Drilling, Copernicus Publications, 22, pp. 49-61
    Details
    Publication Date: 2018-02-04
    Description: The Argentine margin contains important sedimentological, paleontological and chemical records of regional and local tectonic evolution, sea level, climate evolution and ocean circulation since the opening of the South Atlantic in the Late Jurassic–Early Cretaceous as well as the present-day results of post-depositional chemical and biological alteration. Despite its important location, which underlies the exchange of southern- and northern-sourced water masses, the Argentine margin has not been investigated in detail using scientific drilling techniques, perhaps because the margin has the reputation of being erosional. However, a number of papers published since 2009 have reported new high-resolution and/or multichannel seismic surveys, often combined with multi-beam bathymetric data, which show the common occurrence of layered sediments and prominent sediment drifts on the Argentine and adjacent Uruguayan margins. There has also been significant progress in studying the climatic records in surficial and near-surface sediments recovered in sediment cores from the Argentine margin. Encouraged by these recent results, our 3.5-day IODP (International Ocean Discovery Program) workshop in Buenos Aires (8–11 September 2015) focused on opportunities for scientific drilling on the Atlantic margin of Argentina, which lies beneath a key portion of the global ocean conveyor belt of thermohaline circulation. Significant opportunities exist to study the tectonic evolution, paleoceanography and stratigraphy, sedimentology, and biosphere and geochemistry of this margin.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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