. Atollo bollettino ricerche. Le barriere coralline e le isole; biologia marina; scienze marine. 29 La salinità dati raccolti da Jokiel durante un viaggio a Canton nel giugno 1972 e campioni spediti alle Hawaii da membri della U. S. Air Force dopo il 1973 sondaggio stabilire variazioni temporali nei modelli sopra descritto. Il 19 campioni raccolti da Jokiel sono state confrontate con dei campioni raccolti da approssimativamente le stesse posizioni durante la presente indagine. I dati sono riportati come "eccesso di salinità" sopra i valori oceaniche, perché Jokiel salinità della sonda non era adeguatamente tarata per stabilire absolut

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. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 29 Salinity data gathered by Jokiel during a trip to Canton in June 1972 and samples shipped to Hawaii by members of the U. S. Air Force after the 1973 survey establish temporal variations in the patterns described above. The 19 samples gathered by Jokiel have been matched with samples collected from approximately the same locations during the present survey. Data are reported as "salinity excess" above oceanic values, because Jokiel's salinity probe was not adequately calibrated to establish absolute salinities. Figure 10 shows that the 1972 salinity excesses were generally somewhat lower than the 1973 values (which are also expressed here as salinity excesses). This pattern is to be expected, because rainfall during early 1972 was somewhat higher than rainfall during late 1973 (Table 2). Samples collected from the northern corner of the lagoon and shipped to Hawaii from November 1973 until October 1974 also showed a consistent pattern (Table 3). Salinity remained relatively constant CD O X 111 C/5 CO r- 0) A E 0! O tt) Q. June 1972 Salinity Excess (°/oo) Figure 10. June 1972 versus December 1973 "salinity excess" above oceanic values. Table 3. Salinity and rainfall, northern portion of the Canton lagoon. Month November 1973 December January 1974 February March April May June July August September October Salinity Monthly rain (°/oo) (mm) 37.8 0 37.8 5 37.9 0 37.5 2 38.1 17 37.7 69 37.0 54 36.4 59 36.5 101 36.5 28 37.0 20 37.5 5. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Smithsonian Institution. Press; National Research Council (U. S. ). Pacific Science Board; Smithsonian Institution; National Museum of Natural History (U. S. ); United States. Bureau of Sport Fisheries and Wildlife. W

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