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  • 1
    Online-Ressource
    Online-Ressource
    Impact of climate change and human intervention on hydrodynamics and environmental conditions in the Ems-Dollart estuary: an integrated datamodelling approach (Climate-Ems/Future-Ems) : Bilateral Wadden Sea GEORISK Project : Bericht der vom BMBF geförderten Teilvorhaben : Work Package 2 - Field data and process analysis (leader: T. Badewien, P2), other partners involved: P5, P7, P8 = Auswirkungen von Klimawandel und menschlichen Eingriffen auf Hydrodynamik und Umweltbedingungen im Ems-Dollart Aestuar: ein Beobachtungen und Modellierung verbindender Ansatz (Climate-Ems/Future-Ems) (2016)
    Oldenburg : Carl von Ossietzky Universität Oldenburg - Fakultät V - Mathematik und Naturwissenschaften - Institut für Chemie und Biologie des Meeres (ICBM) - Abt. Marine Sensorsysteme
    Details Verfügbarkeit
    Schlagwort(e): Forschungsbericht ; Ems-Dollart-Gebiet ; Klimaänderung ; Anthropogener Einfluss ; Hydrodynamik ; Modell ; Dimension 3
    Materialart: Online-Ressource
    Seiten: 1 Online-Ressource (19 Seiten, 4,32 MB) , Illustrationen, Diagramme
    URL: https://edocs.tib.eu/files/e01fb16/875711065.pdf
    URL: https://doi.org/10.2314/GBV:875711065
    DOI: 10.2314/GBV:875711065
    Sprache: Deutsch
    Anmerkung: Förderkennzeichen BMBF 03F0635A , Paralleltitel und durchführende Institution dem Berichtsblatt entnommen , In der Kopfzeile: NWO, Netherlands Organisation for Scientific Research , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Text deutsch. - Mit deutscher und englischer Zusammenfassung
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  • 2
    Bild
    Bild
    Wattenmeer : Begleitheft zur Sonderausstellung zum 70jährigen Gründungsjubiläum von "Senckenberg am Meer" (1998)
    Frankfurt am Main : Kramer
    Details Verfügbarkeit
    Schlagwort(e): Watt ; Ausstellungskatalog 1998 ; Ausstellungskatalog ; Watt
    Materialart: Bild
    Seiten: 105 S. , Ill., graph. Darst., Kt. , 22 cm
    ISBN: 3782911539
    Serie: Kleine Senckenberg-Reihe 29
    DDC: 333.91/816/0943512
    RVK:
    RC 30183
    RVK:
    TP 5020
    Sprache: Deutsch
    Anmerkung: Literaturverz. S. 101 - 105. - Literaturangaben
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  • 3
    Digitale Medien
    Digitale Medien
    How round is round? A new approach to the topic ‘roundness’by Fourier grain shape analysis (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 39 (1992), S. 0 
    Details
    ISSN: 1365-3091
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Geologie und Paläontologie
    Notizen: Numerous methods for roundness measurement have been developed. None, however, has been generally accepted, because of conceptual and practical deficiencies. Modern image processing and Fourier grain shape analysis have eliminated the practical shortcomings, but the conceptual ones remained. Single, higher harmonics of the Fourier series, for example, fail to serve as reliable equivalents for roundness evaluation. The concept outlined in this paper recognizes three criteria for the evaluation of roundness. (1) All curvatures, convex as well as concave or plane elements, must be considered. (2) The positions of morphological elements are significant because salient parts of a particle are more easily abraded than protected ones. Consequently, the curvatures have to be weighted by their relative position on the particle. (3) Positions and curvatures of morphological elements have to be compared with the particle's ultimate abraded shape, which is assumed to be an ellipsoid. The ellipsoid reflects the aspect of form or sphericity. The distinction between sphericity and roundness is retained because there is no evidence that sphericity changes significantly during transport. The measurement is based on the outline of a particle's maximum projection plane, which is transformed to a Fourier series. Roundness data are derived from the complete amplitude spectrum. The aspect of sphericity is eliminated by subtracting the amplitude spectrum of the best approximating ellipse from the spectrum of the empirical shape. The residual amplitudes are normalized and summed. In a final step the resulting values are rescaled. This guarantees reasonable boundaries and a normal distribution of roundness values. The procedure is automated and its efficiency permits the calculation of large samples. Tests on fluvial and coastal gravel populations demonstrate that the method is sensitive to abrasional wear during all stages of roundness.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-3091.1992.tb02125.x
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    Artikel (Nationallizenzen)
    Volltext
  • 4
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    The Discovery and Preliminary Geological and Faunal Descriptions of Three New Steinahóll Vent Sites, Reykjanes Ridge, Iceland (2021)
    Frontiers
    Details
    Publikationsdatum: 2024-02-07
    Beschreibung: During RV MS Merian expedition MSM75, an international, multidisciplinary team explored the Reykjanes Ridge from June to August 2018. The first area of study, Steinahóll (150–350 m depth), was chosen based on previous seismic data indicating hydrothermal activity. The sampling strategy included ship- and AUV-mounted multibeam surveys, Remotely Operated Vehicle (ROV), Epibenthic Sledge (EBS), and van Veen grab (vV) deployments. Upon returning to Steinahóll during the final days of MSM75, hydrothermal vent sites were discovered using the ROV Phoca (Kiel, GEOMAR). Here we describe and name three new, distinct hydrothermal vent site vulnerable marine ecosystems (VMEs); Hafgufa, Stökkull, Lyngbakr. The hydrothermal vent sites consisted of multiple anhydrite chimneys with large quantities of bacterial mats visible. The largest of the three sites (Hafgufa) was mapped, and reconstructed in 3D. In total 23,310 individual biological specimens were sampled comprising 41 higher taxa. Unique fauna located in the hydrothermally venting areas included two putative new species of harpacticoid copepod (Tisbe sp. nov. and Amphiascus sp. nov.), as well as the sponge Lycopodina cupressiformis (Carter, 1874). Capitellidae Grube, 1862 and Dorvilleidae Chamberlin, 1919 families dominated hydrothermally influenced samples for polychaetes. Around the hydrothermally influenced sites we observed a notable lack of megafauna, with only a few species being present. While we observed hydrothermal associations, the overall species composition is very similar to that seen at other shallow water vent sites in the north of Iceland, such as the Mohns Ridge vent fields, particularly with peracarid crustaceans. We therefore conclude the community overall reflects the usual “background” fauna of Iceland rather than consisting of “vent endemic” communities as is observed in deeper vent systems, with a few opportunistic species capable of utilizing this specialist environment.
    Materialart: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
    Format: archive
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    OceanRep: Artikel in einer Fachzeitschrift - begutachtet
  • 5
    facet.materialart.
    Unbekannt
    Macrofauna abundance and sediment characteristics during R/V Senckenberg cruise west of Sylt in september 2010
    PANGAEA
    In:  Supplement to: Markert, Edith; Holler, Peter R; Kröncke, Ingrid; Bartholomä, Alexander (2013): Benthic habitat mapping of sorted bedforms using hydroacoustic and ground-truthing methods in a coastal area of the German Bight/North Sea. Estuarine, Coastal and Shelf Science, 129, 94-104, https://doi.org/10.1016/j.ecss.2013.05.027
    Details
    Publikationsdatum: 2023-05-12
    Beschreibung: The continuously influence of human impacts on the seafloor and benthic habitats demands the knowledge of clearly defined habitats to assess recent conditions and to monitor future changes. In this study, a benthic habitat dominated by sorted bedforms was mapped in 2010 using biological, sedimentological and acoustic data. This approach reveals the first interdisciplinary analysis of macrofauna communities in sorted bedforms in the German Bight. The study area covered 4 km², and was located ca. 3.5 km west of island of Sylt. Sorted bedforms formed as sinuous depressions with an east west orientation. Inside these depressions coarse sand covers the seafloor, while outside predominantly fine to medium sand was found. Based on the hydroacoustic data, two seafloor classes were identified. Acoustic class 1 was linked to coarse sand (type A) found inside these sorted bedforms, whereas acoustic class 2 was related to mainly fine to medium sands (type B). The two acoustic classes and sediment types corresponded with the macrofauna communities 1 and 2. The Aoinides paucibranchiata-Goniadella bobretzkii community on coarse sand and the Spiophanes bombyx - Magelona johnstonii community on fine sand. A transitional community 3 (Scoloplos armiger - Ophelia community), with species found in communities 1 and 2, could not be detected by hydroacoustic methods. This study showed the limits of the used acoustic methods, which were unable to detect insignificant differences in the fauna composition of sandy areas.
    Schlagwort(e): WIMO; Wissenschaftliche Monitoringkonzepte für die Deutsche Bucht
    Materialart: Dataset
    Format: application/zip, 2 datasets
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    DATA PANGAEA
  • 6
    facet.materialart.
    Unbekannt
    (Table 1) Bulk contents of sand, gravel, mud and shell debris and composition of the sand sampled near Sylt (German Bight)
    PANGAEA
    Details
    Publikationsdatum: 2023-05-12
    Schlagwort(e): Classification; Date/Time of event; Determined after Folk (1954); Event label; German Bight, North Sea; Latitude of event; Longitude of event; MULT; Multiple investigations; Senckenberg; Senckenberg_09_2010; Shell debris; Size fraction 〈 0.063 mm, mud, silt+clay; Size fraction 〉 2 mm, gravel; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 2.000-0.063 mm, sand; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; SNG2010_09_1; SNG2010_09_10; SNG2010_09_11; SNG2010_09_12; SNG2010_09_13; SNG2010_09_14; SNG2010_09_15; SNG2010_09_16; SNG2010_09_17; SNG2010_09_18; SNG2010_09_19; SNG2010_09_2; SNG2010_09_20; SNG2010_09_21; SNG2010_09_22; SNG2010_09_23; SNG2010_09_24; SNG2010_09_25; SNG2010_09_26; SNG2010_09_27; SNG2010_09_28; SNG2010_09_29; SNG2010_09_3; SNG2010_09_30; SNG2010_09_31; SNG2010_09_32; SNG2010_09_33; SNG2010_09_34; SNG2010_09_35; SNG2010_09_36; SNG2010_09_37; SNG2010_09_38; SNG2010_09_39; SNG2010_09_4; SNG2010_09_40; SNG2010_09_41; SNG2010_09_42; SNG2010_09_43; SNG2010_09_44; SNG2010_09_45; SNG2010_09_5; SNG2010_09_6; SNG2010_09_7; SNG2010_09_8; SNG2010_09_9; Station label; WIMO; Wissenschaftliche Monitoringkonzepte für die Deutsche Bucht
    Materialart: Dataset
    Format: text/tab-separated-values, 495 data points
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  • 7
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    Unbekannt
    Sand and mud analysis of surface sediments off Spiekeroog Island, German Bight, Southern North Sea, 1985-1991 (2007)
    PANGAEA
    In:  Senckenberg am Meer, Wilhelmshaven
    Details
    Publikationsdatum: 2024-02-16
    Schlagwort(e): Advanced sand sedimentation analyzer, MacroGranometer™; Area/locality; Comment; DATE/TIME; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5100; LATITUDE; LONGITUDE; North Sea; Principal investigator; Sample, optional label/labor no; Sample code/label; Senckenberg; Size fraction 〈 0.063 mm, mud, silt+clay; Size fraction 2.000-0.630 mm, coarse sand; Spiekeroog; SpiekeroogSurface1985-1991; van Veen Grab; VGRAB
    Materialart: Dataset
    Format: text/tab-separated-values, 12804 data points
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  • 8
    facet.materialart.
    Unbekannt
    Grain size analysis of surface sediments off Spiekeroog Island, German Bight, Southern North Sea, 1985-1991 (2007)
    PANGAEA
    In:  Senckenberg am Meer, Wilhelmshaven
    Details
    Publikationsdatum: 2024-02-16
    Schlagwort(e): Advanced sand sedimentation analyzer, MacroGranometer™; Area/locality; Calculated on moments; Calculated on percentils (Inman 1952); Comment; DATE/TIME; DEPTH, sediment/rock; Grain size, mean; Kurtosis; LATITUDE; LONGITUDE; North Sea; Principal investigator; Sample, optional label/labor no; Sample code/label; Senckenberg; Size fraction 0.037-0.032 mm, 4.75-5.00 phi; Size fraction 0.044-0.037 mm, 4.50-4.75 phi; Size fraction 0.053-0.044 mm, 4.25-4.50 phi; Size fraction 0.063-0.053 mm, 4.00-4.25 phi; Size fraction 0.074-0.063 mm, 3.75-4.00 phi; Size fraction 0.088-0.074 mm, 3.50-3.75 phi; Size fraction 0.105-0.088 mm, 3.25-3.50 phi; Size fraction 0.125-0.105 mm, 3.00-3.25 phi; Size fraction 0.149-0.125 mm, 2.75-3.00 phi; Size fraction 0.177-0.149 mm, 2.50-2.75 phi; Size fraction 0.210-0.177 mm, 2.25-2.50 phi; Size fraction 0.250-0.210 mm, 2.00-2.25 phi; Size fraction 0.297-0.250 mm, 1.75-2.00 phi; Size fraction 0.354-0.297 mm, 1.50-1.75 phi; Size fraction 0.420-0.354 mm, 1.25-1.50 phi; Size fraction 0.500-0.420 mm, 1.00-1.25 phi; Size fraction 0.595-0.500 mm, 0.75-1.00 phi; Size fraction 0.707-0.595 mm, 0.50-0.75 phi; Size fraction 0.841-0.707 mm, 0.25-0.50 phi; Size fraction 1.000-0.841 mm, 0.00-0.25 phi; Size fraction 1.189-1.000 mm, (-0.25) to (-0.00) phi; Size fraction 1.414-1.189 mm, (-0.50) to (-0.25) phi; Size fraction 1.682-1.414 mm, (-0.75) to (-0.50) phi; Size fraction 2.000-1.682 mm, (-1.00) to (-0.75) phi; Size fraction 2.378-2.000 mm, (-1.25) to (-1.00) phi; Size fraction 2.828-2.378 mm, (-1.50) to (-1.25) phi; Size fraction 3.364-2.828 mm, (-1.75) to (-1.50) phi; Size fraction 4.000-3.364 mm, (-2.00) to (-1.75) phi; Skewness; Sorting, standard deviation; Spiekeroog; SpiekeroogSurface1985-1991; Temperature, technical; van Veen Grab; VGRAB
    Materialart: Dataset
    Format: text/tab-separated-values, 51583 data points
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  • 9
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    Settling velocity analysis calculated from 5°C water temperature of surface sediments off Spiekeroog Island, German Bight, Southern North Sea, 1985-1991 (2007)
    PANGAEA
    In:  Senckenberg am Meer, Wilhelmshaven
    Details
    Publikationsdatum: 2024-02-16
    Schlagwort(e): Advanced sand sedimentation analyzer, MacroGranometer™; Area/locality; Calculated on moments; Calculated on percentils (Inman 1952); Comment; DATE/TIME; DEPTH, sediment/rock; Kurtosis; LATITUDE; LONGITUDE; North Sea; Principal investigator; Sample, optional label/labor no; Sample code/label; Senckenberg; Settling velocity, mean; Settling velocity fraction (-0.25) - (-0.00) psi; Settling velocity fraction (-0.50) - (-0.25) psi; Settling velocity fraction (-0.75) - (-0.50) psi; Settling velocity fraction (-1.00) - (-0.75) psi; Settling velocity fraction (-1.25) - (-1.00) psi; Settling velocity fraction (-1.50) - (-1.25) psi; Settling velocity fraction (-1.75) - (-1.50) psi; Settling velocity fraction (-2.00) - (-1.75) psi; Settling velocity fraction (-2.25) - (-2.00) psi; Settling velocity fraction (-2.50) - (-2.25) psi; Settling velocity fraction (-2.75) - (-2.50) psi; Settling velocity fraction (-3.00) - (-2.75) psi; Settling velocity fraction (-3.25) - (-3.00) psi; Settling velocity fraction (-3.50) - (-3.25) psi; Settling velocity fraction (-3.75) - (-3.50) psi; Settling velocity fraction (-4.00) - (-3.75) psi; Settling velocity fraction (-4.25) - (-4.00) psi; Settling velocity fraction (-4.50) - (-4.25) psi; Settling velocity fraction (-4.75) - (-4.50) psi; Settling velocity fraction (-5.00) - (-4.75) psi; Settling velocity fraction 0.00 - 0.25 psi; Settling velocity fraction 0.25 - 0.50 psi; Settling velocity fraction 0.50 - 0.75 psi; Settling velocity fraction 0.75 - 1.00 psi; Settling velocity fraction 1.00 - 1.25 psi; Settling velocity fraction 1.25 - 1.50 psi; Settling velocity fraction 1.50 - 1.75 psi; Settling velocity fraction 1.75 - 2.00 psi; Settling velocity fraction 2.00 - 2.25 psi; Settling velocity fraction 2.25 - 2.50 psi; Settling velocity fraction 2.50 - 2.75 psi; Settling velocity fraction 2.75 - 3.00 psi; Settling velocity fraction 3.00 - 3.25 psi; Settling velocity fraction 3.25 - 3.50 psi; Settling velocity fraction 3.50 - 3.75 psi; Settling velocity fraction 3.75 - 4.00 psi; Skewness; Sorting, standard deviation; Spiekeroog; SpiekeroogSurface1985-1991; Temperature, technical; van Veen Grab; VGRAB
    Materialart: Dataset
    Format: text/tab-separated-values, 67132 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 10
    facet.materialart.
    Unbekannt
    Settling velocity analysis calculated from 24°C water temperature of surface sediments off Spiekeroog Island, German Bight, Southern North Sea, 1985-1991 (2007)
    PANGAEA
    In:  Senckenberg am Meer, Wilhelmshaven
    Details
    Publikationsdatum: 2024-02-16
    Schlagwort(e): Advanced sand sedimentation analyzer, MacroGranometer™; Area/locality; Calculated on moments; Calculated on percentils (Inman 1952); Comment; DATE/TIME; DEPTH, sediment/rock; Kurtosis; LATITUDE; LONGITUDE; North Sea; Principal investigator; Sample, optional label/labor no; Sample code/label; Senckenberg; Settling velocity, mean; Settling velocity fraction (-0.25) - (-0.00) psi; Settling velocity fraction (-0.50) - (-0.25) psi; Settling velocity fraction (-0.75) - (-0.50) psi; Settling velocity fraction (-1.00) - (-0.75) psi; Settling velocity fraction (-1.25) - (-1.00) psi; Settling velocity fraction (-1.50) - (-1.25) psi; Settling velocity fraction (-1.75) - (-1.50) psi; Settling velocity fraction (-2.00) - (-1.75) psi; Settling velocity fraction (-2.25) - (-2.00) psi; Settling velocity fraction (-2.50) - (-2.25) psi; Settling velocity fraction (-2.75) - (-2.50) psi; Settling velocity fraction (-3.00) - (-2.75) psi; Settling velocity fraction (-3.25) - (-3.00) psi; Settling velocity fraction (-3.50) - (-3.25) psi; Settling velocity fraction (-3.75) - (-3.50) psi; Settling velocity fraction (-4.00) - (-3.75) psi; Settling velocity fraction (-4.25) - (-4.00) psi; Settling velocity fraction (-4.50) - (-4.25) psi; Settling velocity fraction (-4.75) - (-4.50) psi; Settling velocity fraction (-5.00) - (-4.75) psi; Settling velocity fraction 0.00 - 0.25 psi; Settling velocity fraction 0.25 - 0.50 psi; Settling velocity fraction 0.50 - 0.75 psi; Settling velocity fraction 0.75 - 1.00 psi; Settling velocity fraction 1.00 - 1.25 psi; Settling velocity fraction 1.25 - 1.50 psi; Settling velocity fraction 1.50 - 1.75 psi; Settling velocity fraction 1.75 - 2.00 psi; Settling velocity fraction 2.00 - 2.25 psi; Settling velocity fraction 2.25 - 2.50 psi; Settling velocity fraction 2.50 - 2.75 psi; Settling velocity fraction 2.75 - 3.00 psi; Skewness; Sorting, standard deviation; Spiekeroog; SpiekeroogSurface1985-1991; Temperature, technical; van Veen Grab; VGRAB
    Materialart: Dataset
    Format: text/tab-separated-values, 63848 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
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