Period: 2016 – present
Sensor: Sentinel 2 MSI
Frequency: 5 days at equator
The product algorithm can be accessed here.
Algorithm description: Two indices can be calculated for carotenoid content
Structure Insensitive Pigment Index (SIPI):
and Pigment Specific Simple Ratio (PSSR):
Accuracy: Product is new and has not been validated.
Penuelas, J., Frederic, B. & Filella, I. Semi-Empirical Indices to Assess Carotenoids/Chlorophyll-a Ratio from Leaf Spectral Reflectance. Photosynthetica 31, 221–230 (1995).
Blackburn, G. A. Spectral indices for estimating photosynthetic pigment concentrations: A test using senescent tree leaves. Int. J. Remote Sens. 19, 657–675 (1998).