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  • 1
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    δ 13 C chemostratigraphy in the upper Tremadocian through lower Katian (Ordovician) carbonate succession of the Siljan district, central Sweden (2018)
    Details
    Publication Date: 2021-03-29
    Description: Based on δ13C data from two drillcores recovered from the Siljan district, we present a first continuous carbon isotope record of the upper Tremadocian lower Katian limestone succession of central Sweden. New names for some isotopic carbon excursions from the Cambrian Ordovician boundary through the basal Darriwilian are introduced. The Mora 001 core from the western part of the Siljan impact structure ranges through the Lower Middle Ordovician, whereas the Solberga 1 core from its eastern part ranges through the Middle lower Upper Ordovician. Upper Tremadocian and Floian units are extremely condensed and include extensive stratigraphic gaps. Multiple hardgrounds, sometimes with minor karstic overprint, imply recurrent periods of erosion and/or non-deposition. Like in other parts of Sweden, the Dapingian and Darriwilian succession is characterized by a relatively complete sedimentary record and low sedimentation rates.
    Keywords: Sweden; Siljan impact structure; Ordovician; carbon isotope stratigraphy; MDICE; GICE; Kope ; 551
    Language: English
    Type: article , publishedVersion
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    CITATION GEO-LEO
  • 2
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    On the Impacts of the Indian Summer Monsoon on ENSO in A Coupled GCM (2005)
    Details
    Publication Date: 2021-05-19
    Description: This study explores the impacts of the Indian summer monsoon (ISM) on the El Niño-Southern Oscillation (ENSO) evolution by utilizing two coupled general circulation model simulations. The first simulation uses the Center for Ocean-Land-Atmosphere Studies (COLA) anomaly coupled model and the second simulation employs a new coupling strategy, interactive ensembles, that is designed to increase the signal to noise ratio. The effects of monsoon variability related and unrelated to ENSO are separated through composites in terms of both Niño-3.4 sea surface temperature (SST) and Indian summer monsoon rainfall (IMR) anomalies. It is found that ENSO-related monsoon variability has significant impacts on warm events. In the interactive ensemble simulation, a weak (strong) monsoon enhances (weakens) an ongoing warm event. The monsoon impacts are manifested in the surface zonal wind stress anomalies in the western-central equatorial Pacific. In the anomaly coupled simulation, the monsoon- ENSO relationship is difficult to detect. The ongoing cold events are only weakly affected by monsoon variability. Monsoon variability that is unrelated to ENSO also induces noticeable SST anomalies in the equatorial central Pacific in the following winter. In the interactive ensemble model, a weak (strong) monsoon induces noticeable warm (cold) SST anomalies.
    Description: Unpublished
    Keywords: Monsoons ; Sea surface temperature
    Repository Name: AquaDocs
    Type: Working Paper , Non-Refereed
    Format: 2966268 bytes
    Format: application/pdf
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    PAPER (OA)
  • 3
    Electronic Resource
    Electronic Resource
    Infrared Spectroscopy of Trimethylaluminum and Dimethylaluminum chloride adsorbed on Alumina (1994)
    s.l. : American Chemical Society
    Chemistry of materials 6 (1994), S. 1705-1711 
    Details
    ISSN: 1520-5002
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/cm00046a024
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Synthesis and properties of an n-self-doped conducting polymer (1993)
    s.l. : American Chemical Society
    Chemistry of materials 5 (1993), S. 1598-1599 
    Details
    ISSN: 1520-5002
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/cm00035a003
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  • 5
    Electronic Resource
    Electronic Resource
    Excitation functions of slow proton transfer reactions involving negative ions (1978)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 100 (1978), S. 2040-2048 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00475a012
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Inhomogeneities near the core-mantle boundary evidenced from scattered waves: A review (1990)
    Springer
    Pure and applied geophysics 132 (1990), S. 151-173 
    Details
    ISSN: 1420-9136
    Keywords: Scattering ; wave propagation ; seismic waves ; core-mantle topography ; inhomogeneities
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Statistical properties of small-scale inhomogeneities (wavelengths between 20 and 70 km) near the core-mantle boundary are inferred from scattered core waves. Observations of scattered core waves at large seismic arrays and worldwide networks indicate that the inhomogeneities have a global nature with similar characteristics. However, there may exist a few regions having markedly stronger or weaker strengths. Scattering by volumetric inhomogeneities of about 1% inP-wave velocity in the lower mantle or by about 300 m of topographic relief of the core-mantle boundary can explain the observations. At present it is not possible to rule out either of these two alternatives, or a combination of both.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00874361
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  • 7
    Electronic Resource
    Electronic Resource
    Sediment characteristics and colonization of soft-bottom benthos: a field manipulation experiment (1997)
    Springer
    Marine biology 128 (1997), S. 475-487 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A field manipulation experiment was carried out to test the effects of sediment characteristics (particle size and organic content) on colonization of soft-bottom benthos. Defaunated mud and sand in experimental trays were exposed at sub-tidal levels of two sites with sandy and muddy sea bottom, and retrieved monthly for examination of benthic composition. Seventy-eight out of the 107 species recorded, and 50% of the dominant species identified in the present study, were common in both the sand and mud trays. Classification analysis revealed higher faunal similarity of benthic composition in both sediment types within each of the two study sites. Results of three-way ANOVA (Sediment, Site and Time) showed that sediment effect was only significant for colonization of bivalves and gastropods, but not for polychaetes, amphipods, total species and individual numbers, or overall benthic diversity and evenness. This suggested that many of the benthic species can colonize both sediment types, and that factors other than sediment particle size and organic content may play a significant role in determining colonization of these species. The faunal composition of the same sediment type between sites was found to be different, indicating that the availability and abundance of benthic larvae/adults may be more important than sediment characteristics in determining benthic settlement. An increase in faunal similarity between mud and sand was observed over the study period, implying that the importance of sediment characteristics to benthic colonization decreased with exposure time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002270050114
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  • 8
    Electronic Resource
    Electronic Resource
    An energy budget for individual barnacles (Balanus glandula) (1978)
    Springer
    Marine biology 45 (1978), S. 225-235 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract An annual energy budget was constructed for individual adult barnacles (Balanus glandula Darwin) for the first year after settlement. The production of body tissue, egg, shell, aquatic and aerial respiration, molting and faecal production was determined and consumption was derived from the summation of these budget items. To provide an estimation of the accuracy of the budget equation, energy budgets were constructed for three small groups of barnacles (n=40) kept under laboratory conditions, in which the budget items, including consumption, were determined independently. The results of the laboratory energy budgets indicated that consumption values derived from the summation methods for the three groups of barnacles were 7.4% higher and 16.2 and 15.6% lower than those determined by actual feeding experiments. The average consumption, assimilation and production of individual barnacles were estimated to be 699.5, 647.3 and 159.6 cal year−1, respectively. B. glandula has an exceptionally high assimilation efficiency (92.5% from the annual budget and 99.3% from the laboratory budgets) but a low gross production efficiency (22.8%) and net production efficiency (24.7%). A very large proportion of energy (67.4%) was lost in respiration. The second most important budget item was egg production (12.3%); followed in decreasing order by: shell production (6.6%)〉 production of body tissue (3.9%)〉molting (2.3%).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00390605
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  • 9
    Electronic Resource
    Electronic Resource
    Energy flow and population dynamics of the barnacle Balanus glandula (1979)
    Springer
    Marine biology 54 (1979), S. 83-89 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The energetics and population dynamics of a barnacle (Balanus glandula Darwin) population in British Columbia, Canada, were studied. Consumption, energy flow, production and mortality were 6844.6, 6667.0, 2896.5 and 2522.8 Kcal m-2 year-1, respectively. These energy flow and production values are among the highest for animal populations reported, and therefore strongly suggest the functional importance of E. glandula in littoral systems. The young age groups of the first-year settlements were most important in contributing to the energy flow, production and reproduction of the entire population. Most of the assimilated energy in the older age groups was used in respiration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00387054
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  • 10
    Electronic Resource
    Electronic Resource
    Variations in benthic community structure in a sub-tropical estuary (1981)
    Springer
    Marine biology 64 (1981), S. 191-198 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A one year study was carried out to investigate the variations in benthic community structure along an environmental gradient of salinity and bottom substratum in a sub-tropical estuary in Hong Kong. The community was dominated by the gastropod Turritella terebra, and to a lesser extent, by the gastropod Murex trapa and the crab Portunus hastatoides. The total number of animals, biomass as well as the domanance of T. terebra in the community decreased, while species diversity increased along a gradient of increasing salinity and decreasing siltclay fraction of the sediment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00397108
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