| 1893 - 668 Seiten
...of great assistance in calculating how much the water has risen or fallen at any hour of the tide. On coasts where there is much diurnal inequality in the tides, the amount of rise and fall can never be depended upon, and additional caution is necessary. It should also be remembered that at times... | |
| Great Britain. Hydrographic Department - 1897 - 938 Seiten
...of great assistance in calculating how much the water has risen or fallen at any hour of the tide. On coasts where there is much diurnal inequality in the tides, the amount of rise and fall can never be depended upon, and additional caution is necessary. It should also be remembered that at times... | |
| Nathaniel Bowditch - 1906 - 670 Seiten
...by but a small margin, account must be taken of the fact that strong winds or a high barometer may cause the water to fall below even a very low plane...depended Upon, and additional caution is necessary. A careful distinction should be made between the vertical rixe mid fall of the tide, which is marked... | |
| 1911 - 684 Seiten
...of great assistance in calculating how much the water has risen or fallen at any hour of the tide. On coasts where there is much diurnal inequality in the tides, the amount of rise and fall can never be depended upon, and additional caution is necessary. The datums used on the charts of different... | |
| United States. Hydrographic Office - 1915 - 590 Seiten
...increased on the coasts of Europe, but in some other parts of the world, and especially in the Tropies, such periodic low tides may coincide more frequently...in the tides, the amount of rise and fall can not bo depended upon and additional caution is necessary. Mean sea level. — The important fact should... | |
| United States. Hydrographic Office - 1916 - 608 Seiten
...lower than the average low water of springs. At the equinoxes the spring range is also increased on tho coasts of Europe, but in some other parts of the world,...corresponds with mean sea level. This makes a very exact plano of reference, easily found, to which it would be well to refer all high and low waters. The Tide... | |
| Nathaniel Bowditch - 1916 - 912 Seiten
...by but a small margin, account must be taken of the fact that strong winds or a high barometer mav cause the water to fall below even a very low plane...depended upon; and additional caution is necessary. A careful distinction should be made between the vertical rise and fail of the tide, which is marked... | |
| United States. Hydrographic Office - 1918 - 514 Seiten
...may be used for a chart it must be remembered that there are times when the tide falls below it. Low water is lower than mean low water about half the...upon and additional caution is necessary. Mean sea level.—The important fact should be remembered that the depths at half tide are practically the same... | |
| United States. Hydrographic Office - 1919 - 702 Seiten
...may be used for a chart it must be remembered that there are times when the tide falls below it. Low water is lower than mean low water about half the...necessary. Mean sea level. — The important fact should Ire remembered that the depths at half tide are practically the same for all tides, whether neaps or... | |
| United States. Hydrographic Office - 1920 - 362 Seiten
...may be used for a chart it must be remembered that there are times when the tide falls below it. Low water is lower than mean low water about half the...upon and additional caution is necessary. Mean sea level.—The important fact should be remembered that the depths at half tide are practically the same... | |
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