A new hyperspectral radiometer integrated in automated networks of water and land bidirectional reflectance measurements for satellite validation

Networking of automated instruments on unmanned platforms has proved to be the most effective way to provide validation data for Copernicus optical missions. The re-use of data from each site for many optical missions (S2, S3, PROBA-V, MODIS, VIIRS, L8, Pléiades, ENMAP, PRISMA, SABIAMAR,etc.) gives a huge economy of scale.

Within the HYPERNETS project,  we had three main objectives, i.e.,  to develop:

1.  A new lower cost hyperspectral radiometer, i.e., the HYPSTAR® (HYperspectral Pointable System for Terrestrial and Aquatic Radiometry) ,
2. an associated pointing system, and,
3. embedded calibration device.

With the HYPSTAR® and associated pointing and calibration system, we are able to provide high quality automated measurements of water and land bidirectional reflectance and,  subsequently, validate all optical bands on all satellite missions. The instrument is currently tested in a prototype network covering a wide range of water and land types and operating conditions. 

Quality controlled data with associated uncertainty estimates are currently automatically processed with the  HYPERNETS PROCESSOR

This data will be provided automatically for the validation of all optical satellite missions. Preparations are currently made a) for the new instrument design (and associated calibration service) to be commercialized with an expected lifetime of at least 10 years and b) for the networks to be further expanded to fill the very important gap in the current Sentinel-3&2 Validation plans and the in situ component of the Copernicus programme and become the main source of surface reflectance validation data for all spectral bands of all optical missions for at least the next 10 years.

Follow the advances of the HYPERNETS project via our Twitter account: