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Further analysis has been made on the millimeter and submillimeter-wave(100-1600 GHz or 3 mm - 188 micron) atmospheric opacity data taken with theFourier Transform Spectrometer (FTS) at Pampa la Bola, 4800 m above sea levelin northern Chile, which is the site of the Atacama LargeMillimeter/submillimeter Array (ALMA). Time-sequence plots of millimeter andsubmillimeter-wave opacities show similar variations to each other, except forduring the periods with liquid water (fog or clouds) in the atmosphere. Usingmillimeter and submillimeter-wave opacity correlations under two conditions,which are affected and not affected by liquid water, we succeeded to separatethe measured opacity into water vapor and liquid water opacity components. Thewater vapor opacity shows good correlation with the 183 GHz water vapor lineopacity, which is also covered in the measured spectra. On the other hand, theliquid water opacity and the 183 GHz line opacity show no correlation. Sinceonly the water vapor component is expected to affect the phase ofinterferometers significantly, and the submillimeter-wave opacity is lessaffected by the liquid water component, it may be possible to use thesubmillimeter-wave opacity for a phase-correction of submillimeterinterferometers.Comment: 10 pages, 5 figures, PASJ, vol.55, no.1 (2003), in pres

FTS Measurements of Submillimeter-Wave Atmospheric Opacity at Pampa la Bola: III. Water Vapor, Liquid Water, and 183 GHz Water Vapor Line Opacities