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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 34 (1956), S. 260-267 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary Average logarithmic profiles of velocity as a function of the velocity on the surface of the Rhine are deduced and also values of the roughness length and the friction velocity («Schubspannungsgeschwindigkeit»). From that the flow of the Rhine can be considered as a turbulent flow over a rough ground. The differences between the different sets of measurements and the average profile of velocity are discussed.
    Abstract: Résumé Des profils logarithmiques verticaux de la vitesse sont déduits en fonction de la vitesse superficielle du Rhin. En outre des valeurs sont données pour le paramètre de grossièreté et pour la vitesse de friction («Schubspannungsgeschwindigkeit»). A cause de ces dates le courant du Rhin peut Être interprété comme un courant se déroulant sur une couche bosselée. Les variations des séries diverses de mesures (comparées au profil moyen) sont discutées.
    Notes: Zusammenfassung Aus Geschwindigkeitsmessungen im Rhein werden mittlere vertikale logarithmische Geschwindigkeitsprofile für verschiedene Oberflächengeschwindigkeiten hergeleitet und daraus Werte für den Rauhigkeitsparameter und die Schubspannungsgeschwindigkeit bestimmt. Danach kann die Strömung im Rhein als turbulente Strömung über einer rauhen Unterlage angesehen werden. Die Abweichungen einzelner Me\reihen von der mittleren Geschwindigkeitsverteilung in der Vertikalen werden diskutiert.
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 35 (1956), S. 8-13 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary Taking into account some recent results showing that the observations carried out with Worden gravimeters are influenced by temperature, a method of calibration has been followed which aims to neutralize both the effect of drift and to affort complete symmetry to every value observed.
    Abstract: Résumé En tenant compte de récents resultats qui montrent comme les lectures faites avec les gravimètres Worden soient influencées par la température, on a suivi pour l'étalonnage de ces gravimètres une méthode qui a le but outre que de neutralizer l'effet de la derive, d'assurer la complète symétrie aux valeurs observées.
    Notes: Riassunto Tenendo conto dei risultati di alcune recenti ricerche che mostrano come le letture fatte ai gravimetri Worden siano influenzate dalla temperatura, si è seguito un metodo di taratura che ha il duplice scopo di neutralizzare l'effetto della deriva e di trattare con la massima simmetria ogni singolo valore osservato.
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 51 (1962), S. 237-242 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary The idea of the mean free path of small ions is introduced in a theory previously published, and a value of the combination coefficients of these small ions on very small aerosols particles are evaluated. Theoretical results are discussed in comparison with experimental values.
    Notes: Résumé On introduit dans un calcul anciennement publié la notion de libre parcours moyen des petits ions dans l'air, et on en déduit les valeurs de leurs coefficients de fixation sur des aérosols ultrafins, électriquement chargés ou non. Ces résultats théoriques sont discutés et comparés aux résultats expérimentaux actuellement acquis.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 51 (1962), S. 291-294 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 51 (1962), S. 243-250 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary Inside the columns of the Parthenon there have been found prismatic pieces of wood called «έμπόλια». Two of these pieces originated from the same cypress tree, a tree some 200 hundred years old, judging from the number of rings. The study of the thickness of the rings of these pieces of wood, based on theDouglas method, has produced the following results: 1. During the 200 years referred to, which were prior to 440 B.C. (the time when the Parthenon was under construction) the rings of the pieces of wood recently found there showed wide and clearly distinct thickness variations recurring periodically. 2. These variations attest the existence ofBrückner's 35-year and 11-year periods in the precipitation (which occurred some 2,600 years ago). The average values of these two periods are 34.5 and 11.5 years. 3. Two great maxima are noticeable, the gap between which corresponds to 108 years.
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 35 (1956), S. 25-32 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary Disturbances generated by pressure on the surface of a spherical cavity inside (i) a dispersive medium, (ii) a medium having transverse isotropy about the radius vector have been considered. Finally, a brief discussion of the propagation of waves in visco-elastic media has been added.
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  • 7
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary Basing himself on the principle that a system of observations of different precision may be reduced to a system of observations of the same precision, the Author proposes a new formula for a valuation of the standard error of the weight unit. Such formula is not nullified in case of measurements which, though of different weights, are equal. — In the second part the Author puts forward the hypothesis that a geometric aspect of the compensation of different kinds of measures, is of transforming a figure, wich satisfies given conditions, into another by the least deformation. He believes that such least deformation may be obtained without making a linear combination of linear and angular squared errors.
    Notes: Riassunto L'A., partendo dal principio che un sistema di osservazioni di diversa precisione è riducibile a un sistema di osservazioni di uguale precisione, propone una nuova formula per la valutazione dell'errore medio dell'unità di peso. Tale formula non si annulla nel caso di misure che, pur essendo di peso diverso, sono uguali fra loro. — Nella seconda parte l'A. avanza l'ipotesi che un aspetto geometrico della compensazione di misure miste sia quello di trasformare una figura in un'altra, soddisfacente prefissate condizioni, con un minimo di deformazione; ritiene che tale minimo possa anche non essere dato da una combinazione lineare dei quadrati degli errori lineari e angolari.
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 35 (1956), S. 14-24 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary In connection with my last paper (7) the interpretation of seismic travel-time surfaces ψ(r) for refracted rays is given under the assumption that ψ(r) is a power serie with a finite number of terms. With the results two typical examples are treated. Finally theHerglotz solution is given in a new form.
    Notes: Zusammenfassung Es wird im Anschluss an meine letzte Arbeit (7) dargelegt, wie man seismische Refraktionsmessungen in einem einachsig inhomogenen Körper mit abgebrochenen Potenzreihen als Laufzeitflächen auswerten kann. Das Verfahren wird an zwei Beispielen aus der Praxis erprobt und gleichzeitig ergänzend erläutert. Abschliessend wird durch einen Vergleich mit der neuen Theorie dieHerglotz'sche Lösung in einer neuen Form dargestellt.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 35 (1956), S. 33-39 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary The reflection segments determined by computations based on the method of images, as is well known, are lying to high for greater dips (not taking into account refraktion effects). For the case of the top layers being horizontal, the true dip of a deeper reflection segment is determined and subsequently a graphical method given enabling quick locating of the true position. For the case that, from a certain depth downward, the velocity will be constant, the angular correction can be read from a nomogram. Finally, the question is discussed when corrections will be allowed to be neglected.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 35 (1956), S. 54-60 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary The continuous measurements of ozone concentration near ground level when compared with the daily values of total atmospheric ozone did not show any correlation what so ever. The quantity of ozone near the ground, however seems to have a negative correlation with the number of cases of temperature inversion in the lower atmosphere. The annual variations in the two cases are comparable but the ground level ozone shows another minimum in the month of june when the air at the recording station usually comes from Paris and so, is strongly polluted.
    Notes: Résumé L'enregistrement continu de la concentration de l'ozone au sol, comparé jour par jour aux valeurs de l'épaisseur réduite de l'ozone total n'a montré aucune corrélation significative entre les deux grandeurs. Une corrélation négative a été constatée entre la quantité d'ozone au sol et le nÒmbre des cas d'inversion dans les couches basses de l'atmosphère. Les variations saisonnières sont cependant analogues, mais l'ozone au sol montre un autre minimum très net au mois de juin, lorsque l'air vient en direction de l'agglomération parisienne.
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