 | Science - 1851 - 510 pages
...curve is nine hours in advance of that of the semi-diurnal curve, the two curves cross the line of mean water at three hours, the diurnal curve rising...again at nine hours to its intersection with the mean water line, at which time the diurnal curve has reached its maximum; the semi-diurnal curve attains... | |
 | American Association for the Advancement of Science - Science - 1851 - 472 pages
...curve is nine hours in advance of that of the semi-diurnal curve, the two curves cross the line of mean water at three hours, the diurnal curve rising...again at nine hours to its intersection with the mean water line, at which time the diurnal curve has reached its maximum ; the semi-diurnal curve attains... | |
 | American Association for the Advancement of Science - Science - 1851 - 478 pages
...curve is nine hours in advance of that of the semi-diurnal curve, the two curves cross the line of mean water at three hours, the diurnal curve rising...again at nine hours to its intersection with the mean water line, at which time the diurnal curve has reached its maximum ; the semi-diurnal curve attains... | |
 | U.S. Coast and Geodetic Survey - 1852 - 914 pages
...curve is nine hours in advance of that of the semi-diurnal curve, the two curves cross the line of mean water at three hours, the diurnal curve rising...maximum; the semi-diurnal curve attains its greatest lise at twelve hours, and the mean level at fifteen ; the diurnal curve also descending to the same... | |
 | United States. Congress. House - United States - 606 pages
...rising and the semiliurnal falling; at six hours, the semi-diurnal curve has reached its naxirnum, and rises again at nine hours to its intersection...which time the diurnal curve has reached its maximum; he semi-diurnal curve attains its greatest rise at twelve hours, and the nean level at fifteen ; the... | |
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Placing the maximum of the semi-diurnal curve at 0 hours, in the hypothesis that the high water of the diurnal curve is nine hours in advance of that of the semi-diurnal curve, the two curves cross the line of mean water at three hours, the diurnal curve... 