Application of QuikSCAT Backscatter to SMAP Validation Planning: Freeze/Thaw State over ALECTRA Sites in Alaska from 2000 to 2007

A. Colliander, K. McDonald, R. Zimmermann, R. Schroeder, J. Kimball, and E.G. Njoku. Application of quikSCAT backscatter to SMAP validation planning: Freeze/Thaw state over ALECTRA sites in Alaska from 2000 to 2007. IEEE Transactions on Geoscience and Remote Sensing, 2012, 50, 2, 461-468.