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  • Articles  (456)
  • 1955-1959  (456)
  • 1955  (456)
  • Geosciences  (456)
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  • Articles  (456)
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  • 1955-1959  (456)
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Journal
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 32 (1955), S. 43-53 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary Observations of gravity over the Palaeozoic rocks of East Carmarthenshire show this to be an area of positive Bouguer anomalies, and throughout the district the isogams are aligned in a «Caledonoid» direction. The regional gradient over the anthracite coalfield can largely be explained in terms of known structure, while the anomaly values in the Towy valley above Llandeilo seem to have been affected by facies variations and contemporaneous volcanic activity. Fairly large anomalies are recorded near Carmarthen, and these may be associated with similar anomalies known near Aberystwyth (Cook & Thirlaway, 1950); they are interpreted as an expression of the Welsh geosyncline. The gravity low discovered in St. George's Channel byBrowne & Cooper (1950) is re-interpreted in terms of the depth of the pre-Palaeozoic floor. There is no marked evidence to indicate the presence of a concealed «granitic» intrusion beneath the coalfield, nor to substantiate the view that there was once a great thickness of Permian or later cover.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 1955-09-01
    Print ISSN: 0033-4553
    Electronic ISSN: 1420-9136
    Topics: Geosciences , Physics
    Published by Springer
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  • 3
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 8 (1955), S. 507-509 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 8 (1955), S. 314-316 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 8 (1955), S. 349-350 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 8 (1955), S. 518-518 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 8 (1955), S. 814-818 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 8 (1955), S. 129-136 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied climatology 6 (1955), S. 236-273 
    ISSN: 1434-4483
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Zusammenfassung In der vorliegenden Arbeit werden zwei Registrierreihen der Sonnenstrahlung untersucht, die auf dem Hochplateau von Südwestafrika gewonnen wurden. Die eine davon umfaßt etwa 6000 erst kürzlich veröffentlichte Beobachtungen der Intensität der direkten Sonnenstrahlung, die während der fünfjährigen Periode 1927 bis 1931 von der Solarkonstanten-Beobachtungsgruppe der Smithsonian Institution in Brukkaros angestellt wurden. Das andere ist eine Parallelregistrierung der globalen und der diffusen Strahlung auf Horizontalfläche in Windhoek, wo im Strahlungsnetz des Weather Bureau von Südafrika seit August 1951 eine Station in Betrieb ist. Es wird auch über die in diesem Strahlungsnetz angewandten instrumentellen Einrichtungen berichtet. Für Brukkaros werden nicht nur verschiedene Gesichtspunkte der grundlegenden Intensitätsmessungen erörtert, sondern es wurde auch der Versuch gemacht, eine Serie der repräsentativen Größen für die Globalstrahlung zu berechnen, die von einer horizontalen Ebene zu jeder Zeit des Jahres von einem wolkenlosen Himmel erhalten werden. Weiterhin wurde eine vorläufige Untersuchung über die Trübung und die Absorptions- und Reflexionseigenschaften der Atmosphäre über diesem subtropischen Steppenhochland durchgeführt. Speziell das Material von Windhoek wurde einer statistischen Analyse unterzogen und in einigen zusammenfassenden Darstellungen wurden die wesentlichen Resultate der Registrierungen herausgearbeitet. Zwischen den Ergebnissen der beiden Stationen wird eine Vergleichung durchgeführt und es werden die allgemeinen Züge des Strahlungsklimas des Landes abgeleitet. Da es sich hierbei offenbar um eine erste zusammenfassende Untersuchung über die Verteilung der Sonnenstrahlung in einer Trockenzone von Afrika handelt, werden Einzelheiten erörtert, denen speziell im Hinblick auf eine zukünftige Ausnützung der Sonnenenergie eine besondere Bedeutung zugeschrieben werden muß. Die gute Übereinstimmung der zwei deutlich verschiedenen Beobachtungsreihen verleiht ihrer Deutung einen hohen Grad von Zuverlässigkeit.
    Abstract: Résumé L'auteur analyse deux séries d'enregistrements du rayonnement solaire obtenues sur le haut plateau du Sud-Ouest africain; l'une comprend 6000 mesures de l'intensité du rayonnement solaire direct faites de 1927 à 1931 par un groupe d'observateurs de la constante solaire de la Smithsonian Institution à Brukkaros et publiées récemment; l'autre comprend un enregistrement parallèle du rayonnement global et diffus sur une surface horizontale à Windhoek où se trouve une station de rayonnement du Weather Bureau de l'Afrique du Sud depuis août 1951. Il décrit l'appareillage utilisé dans ce réseau pour l'étude du rayonnement. Pour Brukkaros, l'auteur ne se borne pas à discuter les mesures d'intensité de base, mais il tente de calculer une série de grandeurs représentatives du rayonnement global reçu par une surface horizontale à tout moment de l'année par ciel sans nuages. Il étudie provisoirement le trouble atmosphérique et les propriétés absorbantes et réfléchissantes de l'atmosphère de ce haut plateau semi-désertique subtropical. Le matériel de Windhoek spécialement a été soumis à l'examen statistique et les résultats essentiels des enregistrements mis en évidence par quelques condensés. Il compare ensuite les résultats des deux stations et esquisse le climat radiatif du pays. Dans cette première synthèse de la distribution du rayonnement dans une région sèche d'Afrique on mentionne aussi des détails importants pour l'utilisation future de l'énergie solaire. Le bon accord de ces deux séries différentes de mesures leur confère un degré élevé de crédibilité.
    Notes: Summary In the paper two records of solar radiation obtained on the high plateau of South-West Africa are analysed. One of them contains about 6000 observations (until recently unpublished) of the intensity of direct radiation made, at Brukkaros, over the five-year period from 1927 to 1931, by the solar-constant observing-team of the Smithsonian Institution. The other is a double record of total and of diffuse hemispherical radiation at Windhoek. This latter station has been operating since August 1951 and is one of a number maintained by the Weather Bureau of South Africa. An account is included of the techniques which have been adopted for the operation of such radiation stations in the Union's network. For Brukkaros not only are various aspects of the basic intensity record discussed but an attempt has been made to build up a set of representative data for the total radiation which would be received on a horizontal plane at all times of the year from a cloudless sky. Sections of the paper are devoted to a preliminary investigation of the turbidity and the absorptive and reflective properties of the atmosphere over this semi-desert sub-tropical highland. The Windhoek material, especially, has been subjected to statistical analysis and a number of summaries are presented of the salient features of the record. A comparison is drawn between the two assemblages of values and generalizations are made regarding the solar radiation climate of the territory. As this would appear to be the first comprehensive study to be undertaken of the distribution of solar radiation in an arid zone of Africa, detail which has been considered of importance, particularly from the viewpoint of the future utilization of solar energy, has been included. The perfect integration of the two distinctly different records places a very high degree of confidence upon their interpretation.
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  • 10
    Publication Date: 1955-01-01
    Print ISSN: 0361-5995
    Electronic ISSN: 1435-0661
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Wiley
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