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On The Validity Of The Dynamic Topographic Method For The De Termination Of…
In a previously published statement (Parr 1937, b) the writer has listed ihe main reasons why, in the present state of our knowledge of the actual as distinct from the ideal dynamics of ocean currents, he feels inclined to take greater confidence in the evidence of the actual paths of How obtained from a study of the identifying properties of the water masses, than in the con clusions reac…
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- 551.46 Alb O
On The Mutual Adjustment Of Pres Sure And Velocity Distributions In Certain…
The writer (/) recently advanced the hypothesis that the horizontal pressure gradients observed in the current systems of the atmosphere and the ocean to a large extent must be interpreted as reactions to the Coriolis’ forces impressed upon these systems by the rotation of the earth. Observa tional support for this point of view was found in the fact that both the temperature-salinity an…
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- 551.46 Rob o
On Displacements And Intensity Changes Of Atmospheric Vortices
Aerological investigations conducted during the last few years have revealed that the long, meandering disturbances characteristic of the middle latitude belt of westerlies in the upper troposphere frequently increase in amplitude until troughs and ridges finally are cut off from the main current, thus forming cold cyclonic vortices on the equatorial side of the west-wind belt and warm ant…
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- 551.5 Ros o
Biological Results of The Snellius Expedition: XIX. Reidentification of The B…
The Snellius Expedition 1929-1930 to the East Indies collected four barracudinas from near the Celebes coast. These specimens were identified by Koumans (1953) as Lestidium nudum Gilbert, previously known for certain only from the unique type from the Hawaiian Islands. Through the cooperation of the officials of the Rijksmuseum van Natuurlijkc Historic at Leiden—Dr. II. Boschma, former Direct…
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- 597.7 Rob b
Biological Results of The Snellius Expedition: XVI. The Pisces and Leptocardi…
This paper deals with the material of the Fishes collected during the cruise of the “Snellius”. As the biological work during the expedition was not the chief scope, one could expect that the collection of Fishes would not be so extensive as from other expeditions. A great deal of the collecting of material during the cruise was done by plankton nets, which gives the results that most of th…
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- 597.177 Kou b
An Analysis of The Stirring and Mixing Processes in Incompressible Fluids
In the laboratory, the phenomena accompanying the mixture of two fluids are so commonplace that they do not seem to merit investigation. In the ocean and atmosphere, the phenomena are presumably very similar, but the lack of a good theory on which to base calculations complicates the problem much more than in the laboratory.
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- 551.46 Car a
A Study on The Foaming of Sea Water. Part 1
In spite of the fact that many marine observers are aware that sea water has a remarkable foaming capacity, there has not been any scientific study of this subject. However, the foaming capacity may be of considerable importance in oceanography. For instance, there must be an intimate relation between the Beaufort scale and the foaming of sea water, since there is no doubt that aspects of white…
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- 551.46 Yas a
A Bathythermograph
In the study of the homogeneous layer in the ocean, Rossby1 found it desirable to have an instrument which would provide a continuous record of temperature against pressure in the surface layers of the ocean. A preliminary instrument named an "oceanograph" was constructed and used during the summer of 1934. The manifold uses to which such an instrument could be put presaged a widespread employm…
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- 551.46 Ath a
Biological Results of The Snellius Expedition: X. Aves
During the Snellius Expedition only 3 specimens, belonging to 2 species of birds, were picked up by chance. Of these two are Wilson’s Petrels, the other a kingfisher (Halcyon sancla Vig. & Horsf.).
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- 598.29598 Jun b
Iodine and Bromine in Sponges
Iodine and bromine have been known to occur in sponges since the early part of the nineteenth century. Since then a large number of analyses, primarily of the bath sponge but also of other sponges, have been reported. Both iodine and bromine have been found in most cases, although in greatly varying amounts.
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- 593.4 Eva i
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