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| GRAPEX Spectral Reflectance |
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Ground-Based Spectral Reflectance Measurements
Multispectral radiometer readings are taken in grids adjacent to the flux towers, coincident with Landsat satellite overpasses during intensive observation periods. The Cropscan MSR16 instrument, with sensor bands compatible with Landsat 8, is used to measure spectra of vines and cover crop.
