1. Agrosphere (IBG‐3)Forschungszentrum JülichJülichGermany
2. Dep. of Monitoring and Exploration TechnologiesUFZ Helmholtz Centre for Environmental ResearchGermany
3. Physikalisches Institut, Heidelberg Univ.Germany
4. Physikalisches Institut, Univ. of BonnBonnGermany
5. Institute of Hydraulic and Environmental Engineering (IIAMA), Univ. Politècnica de ValènciaValènciaSpain
6. School of Geographical Science, Southwest Univ.PR China
7. Valencian Institute for Agricultural ResearchSpain