CEOS EO HANDBOOK – INSTRUMENT SUMMARY - TANSO-3 -
Full Name Total Anthropogenic and Natural emissions mapping SpectrOmeter-3 Status Being developed
Instrument Agencies MOE (Japan), JAXA, NIES (Japan) Maturity
Instrument Type Atmospheric chemistry Geometry Push-broom scanning
Instrument Technology High-resolution nadir-scanning IR spectrometer Sampling Imaging
Data Access Open Access Data Format HDF5
Measurements and Applications Global and regional concentration mapping of CO2, CH4, and NO2 for global monitoring of GHG concentrations, verification of emission inventories, and detection of emissions from large sources.
Resolution Summary 10 km in wide more and 3 km in focus mode. Target is 1km in focus mode.
[Best Resolution: 1000m]
Swath Summary Wide mode: 911km Focus mode: 90 km
[Max Swath: 911 km]
Accuracy Summary
Waveband Summary 0.45 µm, 0.7 µm, 1.6 µm
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
Trace gases (excluding ozone)CH4 Mole Fraction
CO2 Mole Fraction
NO2 Mole Fraction
VegetationChlorophyll Fluorescence from Vegetation on Land
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Carbon Dioxide, Methane and other Greenhouse gases click here click here search ECV Inventory records
Instrument Missions
GOSAT-GW - Global Observing SATellite for Greenhouse gases and Water cycle (2025 - 2032)