Chichijima (Japan) Data Quality Assessment
Quality Assessment of sea level data by the TOGA Sea Level Center/National Oceanographic Data Center Joint Archive for Sea Level.
| Station | Chichijima | Latitude | 27° 06.0' N |
|---|---|---|---|
| Country | Japan | Longitude | 142° 11.0' E |
| JASL # | 047A | Time Meridian | 135° E (GMT + 9 hr) |
| GLOSS # | 103 | TOGA # | P013 |
| NODC # | 12147201 |
| Contributor: | Japan Ocean. Data Center Hydrographic Dept. Maritime Safety Agency 3-1,Tsukiji, 5-Chome, Chuo-ku Tokyo 104 Japan |
|---|---|
| Originator: | Same |
| Original Data: | Unconfirmed |
| Instrument Type: | LFT-4 |
| Digitized Interval: | Unconfirmed |
| Present Data: | Hourly, daily, and monthly values obtained by: |
| Hourly: | Unconfirmed |
| Daily: | 119-point convolution filter (Bloomfield, 1976) centred on noon applied to the hourly data with respective periods of the 95, 50, and 5% amplitude points at 124.0, 60.2, and 40.2 hours |
| Monthly: | Simple average of all daily values; calculated if 7 or fewer days are missing |
| Span of Data: | 31 March 1975 - 31 December 1986 |
| Gaps >1 Month: | None |
| Time Reference: | GMT (hours 00-23) |
| Space-filler Flag: | -9999 |
| Units: | Millimeters |
| Missing Data Flag: | 99999 |
| Reference Level: | All data are referred to tide gauge zero and linked to historic fixed bench marks. |
| Comment: | The daily or monthly means do not reveal any obvious reference level shifts. |
