EO-1 Hyperion reflectance time series at calibration and validation sites: stability and sensitivity to seasonal dynamics - Campbell, P.K.E.; Middleton, E.M.; Thome, K.; Kokaly, Raymond F.; Huemmrich, K.F.; Novick, K.A.; Brunsell, N.A. (IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2013)