Chamindu Deepagoda T.K.K.¹, Per Moldrup², Markus Tuller³, Mette Pedersen², Lis de Jonge⁴, Per Schjønning⁴, Ken Kawamoto⁵ and Toshiko Komatsu⁶, (1)Aalborg Univ Sohngaardsholmsvej 57 D-building, Aalborg University, Aalborg, Denmark, (2)Aalborg Univ Sohngaardsholmsvej 57 D-building, Aalborg University, Aalborg, DENMARK, (3)Dept. Soil Water and Environmental Sciences, University of Arizona, Tucson, AZ, (4)P.O. Box 50, Aarhus University, Tjele, DENMARK, (5)Saitama University, Saitama, JAPAN, (6)Saitama University, Saitama, , JAPAN