Kushimoto (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 Kushimoto Latitude 33° 28.0' N
Country Japan Longitude 135° 47.0' E
JASL # 353A Time Meridian 135° E (GMT + 9 hr)
GLOSS # 085 TOGA # none
NODC # 13133501
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: FUESS
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: 01 January 1961 - 30 November 1968
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. Most questionable fluctuations are related to atmospheric or oceanographic events. Data spikes of about 10 cm or less have not been corrected.