EVALUATING APPROACHES RELATING ECOSYSTEM PRODUCTIVITY WITH DESIS SPECTRAL INFORMATION - Huemmrich, K. F.; Campbell, P. E. K.; Harding, D. J.; Ranson, K. J.; Wynne, R.; Thomas, V.; Middleton, E. M. (Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., 2022)