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  • 2015-2019  (4,201,729)
  • 1940-1944  (110,020)
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  • 1
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    GFZ GravIS RL06 Ice-Mass Change Products (2019)
    GFZ Data Services
    Details
    Publication Date: 2024-05-15
    Description: Abstract
    Description: Version History:09 June 2020:Release of Version 0002. This is an update of Version 0001 of the same data set. All changes and updates are documented in the changelog available via the data download section. Previously released versions of this data set are available at ftp://isdcftp.gfz-potsdam.de/grace/GravIS/GFZ/Level-3/ICE/old_versions---------------------------------------------------------------------------------------------GRACE/GRACE-FO Level-3 products representing ice-mass changes for the Antarctic Ice Sheet (AIS) and the Greenland Ice Sheet (GIS). The ice-mass changes are provided both as basin average product and as gridded product.Basin-average ice-mass changes are obtained using the inversion procedure based on a forward modelling approach as described in Sasgen et al. (2013) for the AIS and Sasgen et al. (2012) for the GIS.Gridded ice-mass changes are provided at polar-stereographic grids with a grid spacing of 50 x 50 km^2. The applied algorithm is based on tailored sensitivity kernels (Groh & Horwath, 2016), and has also been used to generate gravimetric mass balance products within the ESA Climate Change Initiative (CCI) projects for the AIS and the GIS.These Level-3 products are visualized at GFZ's web portal GravIS (http://gravis.gfz-potsdam.de).Link to data products: ftp://isdcftp.gfz-potsdam.de/grace/GravIS/GFZ/Level-3/ICE
    Keywords: Gravity Recovery And Climate Experiment (GRACE) ; GRACE Follow-on (GRACE-FO) ; Level-3 ; Mass ; Mass Transport ; Ice-mass Change ; Time Variable Gravity ; Antarctic Mass Balance ; Greenland Mass Balance ; Sea-level Change ; EARTH SCIENCE 〉 SOLID EARTH 〉 GRAVITY/GRAVITATIONAL FIELD ; Earth Observation Satellites 〉 NASA Earth System Science Pathfinder 〉 GRACE
    Language: English
    Type: Dataset , Dataset
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    DATA GFZ
  • 2
    Monograph available for loan
    Monograph available for loan
    SAP S/4HANA embedded analytics : Architektur, Funktionen, Anwendungen (2019)
    Bonn : Rheinwerk
    Details Availability
    Call number: (OCoLC)1101921514
    Keywords: SAP S/4HANA ; Business Intelligence
    Type of Medium: Monograph available for loan
    Pages: 411 Seiten , Illustrationen , 24 cm x 16.8 cm
    Edition: 1. Auflage
    ISBN: 9783836268967 , 3836268965
    Series Statement: SAP PRESS
    URL: Inhaltstext
    URL: Inhaltsverzeichnis
    Language: German
    Branch Library: GFZ Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    19th International Congress on the Carboniferous and Permian Cologne, July 29-August 2, 2019 : Field guides (2019)
    Köln : Institut für Geologie und Mineralogie der Universität zu Köln
    Details Availability
    Call number: M 24.95594
    Type of Medium: Monograph available for loan
    Pages: 302 Seiten , Illustrationen
    ISBN: 978-3-934027-27-5 , 9783934027275
    ISSN: 1437-3246
    Series Statement: Kölner Forum für Geologie und Paläontologie 24/2019
    Language: English
    Note: Contents Preface / H.-G. Herbig, M. Aretz, M.R.W. Amler & S. Hartenfels Field trip Al: The Uppermost Devonian and Lower Carboniferous in the type area of Southern Belgium / J. Denayer, C. Prestianni, B. Mottequin & E. POTY Field Trip A2: The Pennsylvanian of the Ruhr Basin and Osnabruck region, western Germany - facies, stratigraphy, and tectonics of a paralic foreland basin of the Variscides / V. Wrede, G. Drozdzewski, D. Juch, A. Leipner & M. Sowiak Field Trip A3: The classical Central European Permian: Continental "Rotliegend", marine "Zechstein", and the Permian-Triassic Transition in Germany / J. Schneider, T. Wotte, B. Gaitzsch, R. Werneburg, S. Zeibig & F. Scholze Field Trip Cl: The Mississippian Kulm Basin of the Rhenish Mountains, western Germany - fauna, facies, and stratigraphy of a mixed carbonate-siliciclastic foreland basin / H.-G. Herbig, D. Korn, M.R.W. Amler, S. Hartenfels & H. Jäger Field Trip C2: Pennsylvanian-Permian of the Saar-Nahe Basin, SW Germany / S. Voigt, T. Schindler, H. Thum & J. Fischer Field Trip C3: The Pennsylvanian-Permian of the Southern Alps (Carnic Alps/Karavanke Mts.), Austria/ Italy/Slovenia - fauna, facies and stratigraphy of a mixed carbonate- siliciclastic shallow marine platform along the northwestern Palaeotethys margin / M. Novak, H.C. Forke & H.P. Schönlaub
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 4
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    Ecological observations of pelagic bacterial and archaeal communities in the Atlantic-Arctic boundary zone (2018)
    In:  EPIC3
    Details
    Publication Date: 2024-05-15
    Description: The global climate change has an unprecedented impact on the Arctic Ocean, resulting in warming of the Arctic surface air at much faster rates than the global average. The warming temperatures lead to constantly declining Arctic sea ice cover, which reached in September 2018 the sixth lowest summertime minimum extent in the satellite record (since the late 1970s). Shrinking sea ice has a strong impact on the entire Arctic marine ecosystem, through alterations of the primary production, grazers communities, and subsequently the biological carbon pump. Current predictions of entirely sea-ice free summers in the Arctic Ocean already in the second half of this century urges the need to understand the ongoing oceanographic and biological processes in order to predict how the Arctic ecosystem will respond to further environmental changes. The differentiation between natural temporal ecosystem variability and anthropogenically-induced impact of the climate change requires long-term observations. The Ocean Observing System FRAM (FRontiers in Arctic marine Monitoring), which was established in 2014, is an Arctic long-term observatory for investigating the impact of changing ocean properties and sea ice conditions of the Arctic Ocean on its marine ecosystem. The starting point for the FRAM project was the already existing long-term observatory HAUSGARTEN, situated in the main gateway between the Arctic and the Atlantic Oceans - the Fram Strait. To date, despite their importance for the biogeochemical cycling, very little is known regarding the diversity and function of microbial communities in the Arctic Ocean in general, and specifically in the Fram Strait. In the framework of FRAM, a Molecular Observatory was established, for conducting standardized molecular-based high-resolution observations of the Arctic microbial communities. This thesis was conducted as part of the FRAM Molecular Observatory, and as part of the establishment process of the observatory it contributes to the methodological and procedural standardization required for long-term microbial observations. This thesis provides a first comprehensive overview of currently existing long-term microbial observatories around the world, it provides guidelines for initial steps towards establishing a community network between them, and stresses the urgent need in community efforts towards methods standardization. Furthermore, as part of the methods standardization for long-term microbial observations, this thesis includes a performance comparison between two, broadly used in microbial oceanography, 16S rRNA gene primer sets. The main focus of the thesis is on the ecology of pelagic bacterial and archaeal communities in the Fram Strait. Its overall objective was to investigate the distribution of these communities in the Fram Strait, and to identify environmental drivers of their diversity. The observations of this thesis reveal that sea ice has a strong impact on the development of the seasonal phytoplankton bloom during the summer. As a result, sea ice conditions are affecting the bacterial diversity in surface water, and are leading to a distinct community in sea-ice free and sea-ice covered regions of the Fram Strait. However, the impact of the sea ice is not limited to the surface ocean, as it also heavily affects the vertical export of aggregated organic matter to the deep ocean. The results of this thesis also show that aggregates formed under the sea ice sink faster, and by that provide a stronger vector for transport of bacterial and archaeal taxa to the deep ocean, compared to ice-free waters. Altogether, this thesis contributes to the baseline knowledge needed for further long-term observations of pelagic microbial communities in the Arctic marine ecosystem. Furthermore, it provides an important insight into the strong impact of the sea ice on bacterial and archaeal communities throughout the entire water column, underlining the potential impact of further environmental changes on the Arctic Ocean in the light of prevalent global warming and climate change.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Thesis , notRev
    Format: application/pdf
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  • 5
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    Widespread Tephra geochemistry, Lake Motosu Site MOT15-2 age model, and Mt. Fuji eruption ages (2018)
    PANGAEA
    In:  Supplement to: Obrochta, Stephen P; Yokoyama, Yusuke; Yoshimoto, Mitsuhiro; Yamamoto, Shinya; Miyairi, Yosuke; Nagano, Gen; Nakamura, Atsunori; Tsunematusu, Kae; Lamair, Laura; Hubert-Ferrari, Aurélia; Lougheed, Bryan C; Yasuda, Atsushi; Hokanishi, Natsumi; Heyvaer, Vanessa; De Batist, Marc; Fujiwara, Osamu; The QuakeRecNankai Team (2018): Mt. Fuji Holocene eruption history reconstructed from proximal lake sediments and high-density radiocarbon dating. Quaternary Science Reviews, 200, 395-405, https://doi.org/10.1016/j.quascirev.2018.09.001
    Details
    Publication Date: 2024-05-15
    Description: An 8,000-year lacustrine sediment record from Lake Motosu (Fuji Five Lakes) records several eruptions, including potentially unreported events, of the active Mt. Fuji volcano, which receives approximately 47 million annual visitors. A high-fidelity age model is constructed from tephra ages and high-density radiocarbon dating of terrestrial macrofossil and bulk organic matter. Variability in lake reservoir age is constrained by modern lake water radiocarbon measurement and reverse calibration of tephra calendar ages. We present more accurate ages for known eruptions, detect a wider distribution of ejecta for the most recent summit eruption, and potentially identify previously undetected flank eruptions. There are closely spaced scoria-fall layers that may be difficult to differentiate as separate events in land-based surveys. These results demonstrate the utility of lacustrine sediments as powerful tools for understanding characteristics of volcanic eruptions.
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 6
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    Biogenic particle flux at AWI HAUSGARTEN central station HGIV from mooring FEVI1 (2015)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-05-15
    Keywords: ARK-XVI/2; Calcium carbonate, flux; Calculated from mass/volume; Carbon, organic, particulate, flux; DATE/TIME; DEPTH, water; Duration, number of days; FEVI1; Gas chromatography; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; Mass spectrometry; Mooring (long time); MOORY; Nitrogen, organic, particulate, flux per day; North Greenland Sea; Photometry; Polarstern; Pressure sensor; PS57; PS57/273-1, HGIV; pswat; Sample code/label; Seston, flux; Silicon, particulate, flux; δ13C; δ15N
    Type: Dataset
    Format: text/tab-separated-values, 154 data points
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  • 7
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    Biogenic particle flux at AWI HAUSGARTEN central station HGIV from mooring FEVI10 (2015)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-05-15
    Keywords: ARK-XXI/1b; Calcium carbonate, flux; Calculated from mass/volume; Carbon, organic, particulate, flux; DATE/TIME; DEPTH, water; Duration, number of days; FEVI10; Gas chromatography; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; Mass spectrometry; Mooring (long time); MOORY; Nitrogen, organic, particulate, flux per day; North Greenland Sea; Photometry; Polarstern; Pressure sensor; PS68; PS68/263-1, HGIV; pswat; Sample code/label; Seston, flux; Silicon, dissolved + particulate, flux; Silicon, particulate, flux; δ13C; δ15N
    Type: Dataset
    Format: text/tab-separated-values, 480 data points
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  • 8
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    Biogenic particle flux at AWI HAUSGARTEN central station HGIV from mooring FEVI13 (2015)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-05-15
    Keywords: Calcium carbonate, flux; Calculated from mass/volume; Carbon, organic, particulate, flux; DATE/TIME; DEPTH, water; Duration, number of days; FEVI13; Gas chromatography; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; Maria S. Merian; Mass spectrometry; Mooring (long time); MOORY; MSM02/4; MSM2/787-1, HGIV; Nitrogen, organic, particulate, flux per day; Photometry; Pressure sensor; pswat; Sample code/label; Seston, flux; Silicon, dissolved + particulate, flux; Silicon, particulate, flux; δ13C; δ15N
    Type: Dataset
    Format: text/tab-separated-values, 400 data points
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  • 9
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    Biogenic particle flux at AWI HAUSGARTEN central station HGIV from mooring FEVI20 (2015)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-05-15
    Keywords: ARK-XXIV/2; Calcium carbonate, flux; Calculated from mass/volume; Carbon, organic, particulate, flux; DATE/TIME; DEPTH, water; Duration, number of days; FEVI20; Gas chromatography; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; Mass spectrometry; Mooring (long time); MOORY; Nitrogen, organic, particulate, flux per day; North Greenland Sea; Photometry; Polarstern; Pressure sensor; PS74; PS74/125-2, HGIV; pswat; Sample code/label; Seston, flux; Silicon, dissolved + particulate, flux; Silicon, particulate, flux; δ13C; δ15N
    Type: Dataset
    Format: text/tab-separated-values, 375 data points
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  • 10
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    Biogenic particle flux at AWI HAUSGARTEN central station HGIV from mooring FEVI22 (2015)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-05-15
    Keywords: ARK-XXV/2; Calcium carbonate, flux; Calculated from mass/volume; Carbon, organic, particulate, flux; DATE/TIME; DEPTH, water; Duration, number of days; FEVI22; Gas chromatography; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; Mass spectrometry; Mooring (long time); MOORY; Nitrogen, organic, particulate, flux per day; North Greenland Sea; Photometry; Polarstern; Pressure sensor; PS76; PS76/147-1, HGIV; pswat; Sample code/label; Seston, flux; Silicon, dissolved + particulate, flux; Silicon, particulate, flux; δ13C; δ15N
    Type: Dataset
    Format: text/tab-separated-values, 600 data points
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