The JKEO1 sampling is based on the KEO of which prototype is TAO moorings in the tropical Pacific.
The following description is based on that in KEO web site.
All data collected from the JKEO1 mooring are publicly available. Daily averaged surface and subsurface data from the JKEO1 mooring are made available in near real-time. In addition, spot values of high resolution surface meteorological data transmitted opportunistically are also made available in near real-time. Higher resolution data are recorded onboard the mooring and will be made available in this web site.
The table below describes the sampling schemes for the JKEO1 moorings. Observation times in data files are assigned to the center of the averaging interval unless otherwise noted. For example, daily averages are computed starting at 0000 UTC and are assigned an observation "time stamp" of 1200 UTC.
JKEO1 measures winds, air temperature, relative humidity, sea surface temperature and salinity (SST and SSS), and subsurface temperatures and salinity as well as rainfall, and shortwave and long wave radiation. Data from JKEO1 had been available on the GTS network since May 22, 2007.
Last Updated on December 26, 2008
To reduce instrumental noise, internally recorded 1-minute rain accumulation
values are smoothed with a 16-minute Hanning filter upon recovery. These
smoothed data are then differenced at 10-minute intervals and converted to
rain rates in mm hr-1. The resultant rain rate values are centered
at times coincident with other 10-minute data (0000, 0010, 0020...). For
further information see Serra et al (2001).
H.P., M.J. McPhaden, C.S. Coho, and A.J. Shepherd (1991): Equatorial wind,
current and temperature data: 108°W to 140°W; April 1983 to October 1987.
NOAA Data Report ERL PMEL-35 (PB92-119817), 116 pp.
L.J., H.P. Freitag, and M.J. McPhaden (1995): TOGA TAO array sampling schemes
and sensor evaluations. Proceedings, Oceans '94 OSATES, 13-16 September 1994,
Parc de Penfeld,
Plimpton, P.E., H.P. Freitag, and M.J. McPhaden (2000): Correcting moored ADCP data for fish-bias errors at 0°, 110°W and 0°, 140°W from 1993 to 1995. NOAA Tech. Memo. OAR PMEL-117, 35 pp.
Plimpton, P.E., H.P Freitag, M.J McPhaden, and R.H. Weisberg, (1997): "Using echo intensity to correct moored ADCP data for fish-bias error at 0, 170W", NOAA Technical Memorandum ERL PMEL-111, 17pp.
Y.L., P.A'Hearn, H.P. Freitag, and M.J. McPhaden, 2001: ATLAS self-siphoning
rain gauge error estimates. J.
Weisberg, R.H. and S.P. Hayes (1995): "Upper ocean variability on the equator in the west-central Pacific at 170W", J. Geophys. Res., 100, pp. 20485-20498.
Kuroshio Transport and Surface Flux Group,
Ocean General Circulation Observational Research Program,
Institute of Observational Research for Global Change (IORGC),
Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
Natsushima-cho Yokosuka-city,Kanagawa, 237-0061,