Sentinel-5P TROPOMI: Hyperspectral Radiance and Irradiance at 5.5km Resolution

Sentinel-5P's TROPOMI instrument is a push-broom grating hyperspectral spectrometer with a 108-degree field of view, measuring radiance across ultraviolet-visible, near-infrared, and shortwave infrared wavelengths. Its Level-1B product provides calibrated radiance, irradiance, and engineering data, with a spatial resolution of approximately 5.5 km at nadir implemented from August 6, 2019. This dataset is processed by the Royal Netherlands Meteorological Institute (KNMI) using the netCDF-4 enhanced model.

Use Cases

• Calibrating atmospheric models using the provided radiance and irradiance measurements.
• Validating satellite instrument performance based on the detailed engineering and calibration products.
• Developing algorithms for trace gas retrieval from the hyperspectral radiance data across UV-VIS, NIR, and SWIR bands.
• Studying changes in instrument data quality before and after the high-resolution implementation on August 6, 2019.

Strengths

• Provides data from a state-of-the-art hyperspectral spectrometer with a wide 108-degree field of view.
• Includes a major processing update (version 3) with residual background correction and updated Calibration Key Data.
• Offers high spatial resolution of approximately 5.5 km at nadir for data from August 6, 2019, onward.

Limitations

• Critical metadata such as row count, file size, and specific column names are not provided across any source.
• Data for periods before August 6, 2019, resides in a separate collection (S5P_L1B_RA_BD4_1) with potentially different characteristics.
• Sources conflict on the 'last updated' date, with entries ranging from 2021 to a future date of 2026.

Provenance

Source

European Space Agency (ESA) and the Kingdom of the Netherlands; processed by Koninklijk Nederlands Meteorologisch Instituut (KNMI).

Collection Method

Generated by the KNMI TROPOMI L01B processor from Level-0 input and auxiliary data.

Time Range

Coverage begins with the Sentinel-5P mission; a specific start date is not provided.

Freshness

2026-04-10 19:56:06.978097

Geography

Global, nadir-viewing coverage from the Sentinel-5P satellite.