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  • 1
    Publication Date: 2023-05-12
    Keywords: ARGOS satellite-linked; Chukchi Sea; Comment; DATE/TIME; Date/time end; Distance; Duration, number of days; Eschrichtius robustus, total length; Eschrichtius robustus, travel speed; Estimated; Event label; Graywhale_20160; Graywhale_20692; Graywhale_20693; Graywhale_21793; Graywhale_26715; Graywhale_37233; Graywhale_37277; Graywhale_37286; Graywhale_7927; Identification; Instrument; Latitude of event; Location; Location-only transmitter; Longitude of event; LOT; Time in minutes
    Type: Dataset
    Format: text/tab-separated-values, 118 data points
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  • 2
    Publication Date: 2023-12-18
    Keywords: Alpha Helix; Ampeliscidae, biomass, wet mass; Amphipoda; Amphipoda, biomass, wet mass; Chukchi Sea; Cruise1988_St045; Cruise1988_St061; Cruise1988_St072; Cruise1988_St089; Cruise1988_St100; Cruise1988_St104; Cruise2004_St011; Cruise2005_St013; Cruise2006_St043; Cruise2006_St044; Cruise2006_St045; Cruise2006_St046; Cruise2006_St047; Cruise2006_St048; Cruise2006_St049; Cruise2006_St050; Cruise2006_St051; Cruise2006_St052; Cruise2006_St053; Cruise2006_St054; Cruise2006_St055; Cruise2006_St056; Cruise2006_St057; Cruise2006_St058; Cruise2006_St059; Cruise2006_St060; Cruise2006_St061; Cruise2006_St062; Cruise2006_St063; Cruise2006_St064; Cruise2006_St065; Cruise2006_St076; Cruise59; Cruise59_59120_VG; Cruise59_59121_VG; Cruise59_59123_VG; Cruise73; Cruise73_73011_VG; Cruise73_73018_VG; Cruise73_73024_VG; Cruise73_73027_VG; Cruise73_73075_VG; Cruise73_73080_VG; Cruise73_73081_VG; Cruise73_73104_VG; Cruise73_7312_VG; Cruise74; Cruise74_74002_VG; Cruise74_74010_VG; Cruise85; Cruise85_85090_VG; DATE/TIME; DEPTH, sediment/rock; Elevation of event; Event label; Latitude of event; Longitude of event; Reference/source; Sample amount; Station label; van Veen Grab; VGRAB
    Type: Dataset
    Format: text/tab-separated-values, 274 data points
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  • 3
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Heide-Jørgensen, Mads Peter; Laidre, Kristin L; Litovka, D; Villum Jensen, M; Grebmeier, Jacqueline M; Sirenko, Boris I (2012): Identifying gray whale (Eschrichtius robustus) foraging grounds along the Chukotka Peninsula, Russia, using satellite telemetry. Polar Biology, 35(7), 1035-1045, https://doi.org/10.1007/s00300-011-1151-6
    Publication Date: 2023-12-13
    Description: The purpose of this study was to evaluate summer and fall residency and habitat selection by gray whales, Eschrichtius robustus, together with the biomass of benthic amphipod prey on the coastal feeding grounds along the Chukotka Peninsula. Thirteen gray whales were instrumented with satellite transmitters in September 2006 near the Chukotka Peninsula, Russia. Nine transmitters provided positions from whales for up to 81 days. The whales travelled within 5 km of the Chukotka coast for most of the period they were tracked with only occasional movements offshore. The average daily travel speeds were 23 km/day (range 9-53 km/day). Four of the whales had daily average travel speeds 〈1 km/day suggesting strong fidelity to the study area. The area containing 95% of the locations for individual whales during biweekly periods was on average 13,027 km**2 (range 7,097-15,896 km**2). More than 65% of all locations were in water 〈30 m, and between 45 and 70% of biweekly kernel home ranges were located in depths between 31 and 50 m. Benthic density of amphipods within the Bering Strait at depths 〈50 m was on average ~54 g wet wt/m**2 in 2006. It is likely that the abundant benthic biomass is more than sufficient forage to support the current gray whale population. The use of satellite telemetry in this study quantifies space use and movement patterns of gray whales along the Chukotka coast and identifies key feeding areas.
    Keywords: International Polar Year (2007-2008); IPY
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 117 (1995), S. 438-445 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 51 (1979), S. 1972-1977 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Physics of atomic nuclei 63 (2000), S. 1182-1186 
    ISSN: 1063-7788
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Recently many shell-model calculations have been performed in order to extract the value of the ratio C P /C A in light nuclei. Most of these calculations fail to reproduce the value given by the partially conserved axial vector hypothesis, roughly 7. We show that, with the effective transition operators calculated by the perturbative techniques, this discrepancy can be, at least partly, solved. New angular correlation data for 28Si are used for the extraction of C P /C A . In the case of 20Ne, the capture rate data are used for the extraction.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Marine biology 83 (1984), S. 171-176 
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Denitrification was studied in the sediment of a shallow, Danish estuary in the spring and summer of 1982 and 1983. The acetylene blockage technique was used in undisturbed cores to estimate the in-situ activity of the process. A declining rate of denitrification was observed at the onset of the growth season when the allochthonous input of nitrate levelled off; the denitrification decreased from 5.1 mmol N m-2 d-1 in the early spring (April) to 0.3 mmol N m-2 d-1 in the early summer (June). The activity in the uppermost centimeter comprised more than 70% of the total. In this surface zone, a diurnal pulse of oxygen production from photosynthesis of benthic microalgae was found to affect the denitrification; the later had a distinct minimum in the day when the oxygen production was high and inhibitory. The subsequent, nocturnal stimulation of the denitrification was typically a factor of three or more in the investigated periods. We propose that oxygen is an important control factor for the daily, in-situ denitrification in shallow estuaries where light is adequate to reach the sediment. The availability of nitrate seems more important as a control factor for the seasonal variation of the process.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Mineralium deposita 4 (1969), S. 241-247 
    ISSN: 1432-1866
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Zusammenfassung Die Pyrit-Lagerstätte Nairne umfaßt wenigstens fünf Horizonte cambrischer Grauwacken, Quartzite und feine Sand- bis Tonsteine. Pyrit und Magnetkies sind über eine Distanz von fast 100 km schichtgetreu, was auf einen syngenetischen Ursprung der Sulfide hinweist. Schwefelisotop-Analysen von Pyrit aus dem Tagebau-Projekt erstrecken sich über einen δS34-Bereich von −12,8 bis −20,6 Promille. Diese Anreicherung weist auf einen bakteriellen Ursprung des Schwefels hin, obgleich die Spannweite der Resultate sehr eng ist. Somit ist die „Feldvermutung“ einer syngenetisch-bakteriellen Entstehung bekräftigt.
    Notes: Abstract The Nairne Pyrite deposit occurs in at least five horizons in a succession of graywackes, quartzites, and siltstones of Cambrian age. Pyrite and pyrrhotite have been traced along bedding planes for almost 100 km suggesting, of course, a syngenetic origin for the sulfides. Sulfur isotopic analyses of samples from the Nairne Pyrite open-cut project provide δS34 values ranging from −12.8 to −20.6 permil. Such enrichment in S32, even though the spread in δS34 values is comparatively narrow, is suggestive of bacteriogenic sulfur which corroborates the geological evidence that the deposit is bacteriogenic — syngenetic in origin.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Mineralium deposita 4 (1969), S. 172-199 
    ISSN: 1432-1866
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Abstract Die Verteilung von Sauerstoff- und Schwefel-Isotopen in den Erzkörpern von Rosebery, Mount Farrell und Mount Lyell wurde untersucht. Die Erzkörper sind in kambrische, geosynklinale vulkanische Gesteine Westtasmaniens eingebettet. An jeder dieser Lagerstätten zeigt der Schwefel der Sulfiderze einen charakteristischen Anreicherungsgrad an δ34S im Verhältnis zum Meteoritenschwefel und einen eng begrenzten Bereich der δ34S-Werte. Die Erze des Mount Lyell-Lagers (hauptsächlich Pyrit-Chalkopyrit) zeigen überwiegend einen δ34S-Durchschnittswert von +7.0‰, das Hauptlager von Rosebery (Pyrit-Sphalerit-Galenit-Chalkopyrit) +10.9‰, und des Mount Farrell-Erz (Galenit-Sphalerit) +14.1‰. Der Anreicherungsgrad scheint nicht mit den lokalen geologischen Faktoren verbunden zu sein. Auch andere Erzkörper geosynklinaler vulkanischer Art von ähnlicher mineralogischer Struktur zeigen eng begrenzte δ34S-Werte und 34S-Anreicherungsvariationen. Der Baryt des konkordant aufgebauten Sulfid-Baryt-Carbonat-Lagers bei Rosebery hat einen δ34S-Durchschnitt von +38.1‰ und einen δ18O-Durchschnitt von +10.7‰. Der Baryt aus den Erzgängen von Mount Lyell ist durch einen δ34S-Durchschnitt von +25.3‰ und einen δ18O-Durchschnitt von +10.6‰ charakterisiert.
    Notes: Abstract Preliminary studies have been made on the distributions of oxygen and sulphur isotopes in the Rosebery, Mount Farrell, and Mount Lyell ores. These ores lie in Cambrian geosynclinal volcanic rocks in West Tasmania. At each locality the sulphur of the sulphide minerals has a distinctive degree of enrichment in δ34S in relation to sulphur in meteorites and a narrow range of δ34S values. The dominant ore at Mount Lyell (mainly pyrite-chalcopyrite) has an average δ34S value of +7.0‰, the main lode at Rosebery (pyrite-sphalerite-galenachalcopyrite) averages +10.9‰, and the Mount Farrell ore (galena-sphalerite) averages +14.1‰. The degree of enrichment does not appear to be related to local, near-surface geological factors. Other ores of geosynclinal volcanic type with similar mineralogy also show narrow ranges in δ34S and varying enrichments in 34S. Barite from a concordant sulphide-barite-carbonate lode at Rosebery has an average δ34S of +38.1‰ and an average δ18O of +10.7‰. Barite from veins at Mount Lyell has an average δ34S of +25.3‰ and an average δ18O of +10.6‰.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 69-70 (Aug. 1999), p. 479-484 
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Type of Medium: Electronic Resource
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