. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography 3. USE OF THE MODEL A straightforward application of the model would be to call TIME first to obtain the time T from the date and time in Greenwich Mean Time and then to call TIDE with T and the latitude THETA and longitude LAMBDA to obtain the sea surface displacement at that time and place. By repeating the TIDE call at different locations but using the same time T, the spatial distribution of the sea surface displacement at that instant can be ob
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography 3. USE OF THE MODEL A straightforward application of the model would be to call TIME first to obtain the time T from the date and time in Greenwich Mean Time and then to call TIDE with T and the latitude THETA and longitude LAMBDA to obtain the sea surface displacement at that time and place. By repeating the TIDE call at different locations but using the same time T, the spatial distribution of the sea surface displacement at that instant can be obtained for the calibration area. Figure 5 gives contour maps of sea level during a semi-daily tidal cycle, using this procedure to generate the distributions over a grid at successive times. Contour maps of sea level within the model area are shown in figure 5 at 3-hr intervals, beginning 0000 GMT 1 March 1975. The maps illustrate the distribution of tidal deviation from mean sea level during a semi-daily tidal cycle. For a satellite passing over the calibration area in a time period which is short compared with the tidal periods, the displacement under the satellite may be obtained by fixing T and computing the displacements at a series of locations under the trajectory. Time series can be obtained by using the entry point TIDE1 in subroutine TIDE, as was done to generate the time series in figure 3. TIDE must be called once to establish the harmonic constants at the desired location, after which TIDE1 may be called in a D0 loop to generate the time -85*E -80* -75 Figure 5a. Sea surface displace- ment at 0000 GMT 1 Mar. 1975. 634. 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 Atlantic Oceanographic and Meteorological Laboratories; Pacific Oceanographic Laboratories; United States. Environmental S
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