. Collected reprints, Essa Institute for Oceanography. Oceanography 10 WAVE REPORTING PROCEDURES. Figure 3.—Strip-chart recorder of gas-purging pressure tide gage and pressure-sensing trans- mitter unit of remote recording system. Special scale A special scale—graduated in units corresponding to the height scale of the tide gage—is furnished for measuring times and heights of water-level change (fig. 4). Only the actual motion of the water, the amount of fluctuation in water level, is reported to the Honolulu Observatory. The scale should be kept near the gage so that it is a
. Collected reprints, Essa Institute for Oceanography. Oceanography 10 WAVE REPORTING PROCEDURES. Figure 3.—Strip-chart recorder of gas-purging pressure tide gage and pressure-sensing trans- mitter unit of remote recording system. Special scale A special scale—graduated in units corresponding to the height scale of the tide gage—is furnished for measuring times and heights of water-level change (fig. 4). Only the actual motion of the water, the amount of fluctuation in water level, is reported to the Honolulu Observatory. The scale should be kept near the gage so that it is always available. Additional scales can be obtained upon request. Caution: Scaled heights should never be substituted for actual tide staff readings (that is, to obtain the height of the tide) in the d ly comparative 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 Institute for Oceanography; Atlantic Oceanographic Laboratories (U. S. ); Pacific Oceanographic Laboratories; United States. Environmental Science Services Administration. Research Laboratories. Washington, D. C. : U. S. Dept. of Commerce, Environmental Science Services Administration, Research Laboratories : For sale by the Supt. of Docs. , U. S. G. P. O.
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