International Aspects of Oceanography, Oceanographic Data and Provisions for Oceanographic Research

FIGURE Ie 2. 3. 4. 5. 6. Key chart to show the positions of five special charts, plates 13, 14A, 14B, 15, 16, of areas in the 1 BEV cy 0 (che ge eeea ey est alte Ce CR ERM Ries CUES CHOICES 2 Si ectelicde SHE cicye creas Micalcr aay ee CROC eB ceal eco Distribution of larger deep-focus earthquakes in recent years.................. 00-000 e eee eee Tracks of chief vessels on which magnetic observations were made in the Indian Ocean, 1839-Longitudinal distribution of proportion of annual change (AH/#) of horizontal intensity........ Latitudinal distribution of proportion of annual change (AH/H) of horizontal intensity.......... Variation with longitude of AH/H (annual change averaged without regard to sign), of the distribution of the proportion of land and water areas, and of secular-change activity approximately determined by the density of the distribution of isoporic lines...................... .Distribution of foci of rapid annual change of the magnetic declination, inclination, and horizontal INTENSILYARAD LO xIMATCKe POC MELO 20 -U9 20s een ieee fence ae tea eee ee eee see ea .Showing oceanic areas (shaded) between parallels of 60° north and south latitude for which secular variation of magnetic elements could not be controlled by land stations on continents and Fil Crt 6X (=]c's aR ae Re CRO ay eet Ne eS eae nel AR RE MS ch EPR Abs oo Ginter cc 40 Charo at jWNavy-GeophysicallgUnion Gravity, Expedition 936-3%2 0c.ee ers.ase ire aoe tae .Chart showing the gravimetric stations occupied by the Italian submarine VETTOR PISANI......A report such as this is necessarily a codperative enterprise.Information is taken not only from various publications but a great deal of it, perhaps most of it, has been contributed by persons sympathetic with the purpose of the work.On the trip around the world and on other visits to oceanographic institutions, everywhere the attitude was that of sympathetic helpfulness.The governmental officials, the chiefs and the other members of the staffs of oceanographic institutions, and the members of the faculties of the various universities did everything possible to supply desired information.An imperfect list of those from whom assistance was received on the journey around the world contains the names of fully one hundred persons

Biology · Fishery · Physical oceanography · Coastal and Marine Management · Environmental Science · Geology · Marine and fisheries research · Oceanography

• Absent Maps, Marine Science, and the Reimagination of the South China Sea, 1922-1939

  Open Access•Gerard Sasges•The Journal of Asian Studies•2016

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