Dorigo, W., Scanlon, T. M., Gruber, A., van der Schalie, R., Reimer, C., Hahn, S., Paulik, C., Wagner, W., & De Jeu, R. (2018). Soil Moisture. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, 99(8), 35–36. https://doi.org/10.1175/2018bamsstateoftheclimate.1