THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - COCTS -
Full Name China Ocean Colour & Temperature Scanner Status No longer operational
Instrument Agencies CAST Maturity
Instrument Type Ocean colour instruments Geometry Cross-track scanning
Instrument Technology Medium-resolution spectro-radiometer Sampling Imaging
Data Access Data Format
Measurements and Applications Ocean chlorophyll, ocean yellow substance absorbance, Sea-ice surface temperature.
Resolution Summary 1.1 km
Swath Summary 3083 km
Accuracy Summary
Waveband Summary B1: 0.402 - 0.422 µm, B2: 0.433 - 0.453 µm, B3: 0.480 - 0.500 µm, B4: 0.510 - 0.530 µm, B5: 0.555 - 0.575 µm, B6: 0.660 - 0.680 µm, B7: 0.740 - 0.760 µm, B8: 0.845 - 0.885 µm, B9: 10.30 - 11.40 µm, B10: 11.40 - 12.50 µm
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
CategoryParameterAccuracy
Surface temperature (ocean)Sea surface temperature 
Instrument Missions
HY-1A - Ocean color satellite A (2002 - 2004)
HY-1B - Ocean color satellite B (2007 - 2011)
HY-1C - Ocean color and temperature satellite C (2011 - 2013)
HY-1D - Ocean color and temperature satellite D (2011 - 2013)
HY-1C - Ocean color satellite C (2017 - 2020)
HY-1D - Ocean color satellite D (2018 - 2021)
HY-1E - Ocean color satellite E (2022 - 2025)
HY-1F - Ocean color satellite F (2023 - 2026)
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