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  • 1
    Series available for loan
    Series available for loan
    Ottawa : Geological Survey of Canada
    Associated volumes
    Call number: SR 90.0008(76-30)
    In: Paper
    Type of Medium: Series available for loan
    Pages: 12 S.
    ISBN: 0660008181
    Series Statement: Paper / Geological Survey of Canada 76-30
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 1273-1273 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Although there is some evidence that the emission at a given frequency shows some variation with time, the results, when corrected to the same distance for the planet, provide a fairly well defined spectral law (see, for example, the review article by Roberts1). The origin of the emission has been ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 213 (1967), S. 1213-1214 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The method used here exploits the fact that only the small component of the nebula exhibits interplanetary scintillation. By observing the magnitude of (a) the total signal and (6) the scintillations on the record obtained with a phase switching interferometer, it is possible to determine the ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 157-159 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The surface layer of the ocean is inhabited by organisms ranging in scale from plankton (1 ??) to whales (10m). Whereas whales often migrate over hemispheric distances, phytoplankton, the microscopic plants in the ocean, have the least mobility, limited to vertical migration over a few metres per ...
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 673-674 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] GOWER ET AL. REPLY - In our recent paper1, the -2.92 slope found for the spectrum of near-surface phytoplankton variance is not consistent with theories of a passive scalar in a quasi-geostrophic turbulent fluid. The reasoning is based on a subsequent paper by Lesieur et al.2. However, we do not ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 224 (1969), S. 569-570 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recent continuum flux density measurements confirm this change in intensity at 1,420 MHz and show that in late December 1968 the source intensity had dropped to below 50 per cent of the average of the 1964 and 1965 measurements, and has now returned to about 80 per cent of this value in a period of ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 1046-1046 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] 3(7 191 has optical absorption lines at Z= 1-9458 + 0-001 (ref. 2) and the corresponding neutral hydrogen absorption would be expected at a frequency of 482-180 + 0-160 MHz. The continuum flux of this source is $482 = 5 flux units. On February 7, 1969, the 25-6 m antenna at Dominion Radio ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 18 (1980), S. 159-175 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The sunglint areas of the ocean in NOAA satellite visible imagery appear as long swaths that extend from the northern extremes of the North Temperate Zone to the southern extreme of the South Temperate Zone. Examples are shown of complex features apparent in the sunglint area of visible imagery that closely match ocean-related thermal features in the companion infrared imagery. Various interpretations of these features are discussed. Data from the first phase of the Grand Banks Experiment (June 1978) are presented which demonstrate that such sunglint features are related to the strong ocean frontal processes present in this area. Although some of the features may be associated with fog or mist, side-looking airborne radar imagery collected during the experiment confirms the presence of surface roughness variations. The observations strongly suggest that these roughness variations are due to changes in the stability of the atmospheric boundary layer caused by the different surface water temperatures present in the area. The results demonstrate the usefulness of NOAA visible imagery as a tool to aid in the understanding of synoptic ocean processes, and suggest an important application for satellite and airborne synthetic aperture radars in mapping the roughness changes associated with ocean current systems.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 18 (1980), S. 235-245 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The possibility of using the in situ fluorescence line of chlorophyll-a in remote sensing studies of surface water productivity is investigated in a series of spectroscopic and water sampling measurements made from a launch in Saanich Inlet, British Columbia, Canada. The paper demonstrates the proportionality of the observed height of the line to measured chlorophyll concentrations. Weighting corrections are applied to allow for the observed vertical variations in chlorophyll concentrations. Changes in the blue/green region of the observed spectra are also considered as an indicator of the chlorophyll present, and the two methods appear capable of giving chlorophyll concentrations to a comparable accuracy for the relatively high levels observed.
    Type of Medium: Electronic Resource
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  • 10
    Publication Date: 2014-07-11
    Description: Deliberate fertilization of a patch of water west of Haida Gwaii, British Columbia, with iron sulphate and oxide occurred in summer 2012 and triggered a phytoplankton bloom strongly visible in satellite imagery in late August and detectable through September 2012. Routine sampling by the Continuous Plankton Recorder Survey from commercial ships occurred in the vicinity of the fertilized patch between April and October that year. Comparisons with samples from the same region in the years 2000–2011 showed that phytoplankton and microzooplankton abundance indices were the lowest recorded over the time series in the autumn of 2012, while crustacean zooplankton were higher than average, and often higher than previously recorded in the autumn. Possible other contributory factors are discussed but this evidence suggests that the iron-induced bloom could have caused an increase in zooplankton that in turn exerted a heavy grazing pressure on the large phytoplankton and microzooplankton by the autumn of 2012.
    Print ISSN: 0142-7873
    Electronic ISSN: 1464-3774
    Topics: Biology
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