Satellite Altimetry

AVISO MSLA (daily, 1/4 degree)

Delayed-mode reference data merging pairs of satellite (e.g., ERS and TOPEX/POSEIDON)

http://www.aviso.altimetry.fr/en/home.html

Sea Surface Temperature

1) AVHRR_OI (daily, 0.25 degree, before 2006)

Gridded data by optimal interpolation to merge satellite and in situ SST by NOAA

https://podaac.jpl.nasa.gov/dataset/NCDC-L4LRblend-GLOB-AVHRR_OI

2) OSTIA (daily, 0.05 degree, after 2007)

Gridded data by optimal interpolation to merge satellite and in situ SST by UK Met Office

http://ghrsst-pp.metoffice.com/pages/latest_analysis/ostia.html

In Situ TS Profile

1) GTSPP

TS-profile data after high-accuracy quality check

https://www.nodc.noaa.gov/GTSPP/

2) TS profile data observed by domestic Fisheries Institutes in Japan other than GTSPP