Statistical Down-scaling of GRACE Data Using Multivariate Regression Models and Artificial Neural Networks

Hossein Sahour1, Mohamed Sultan1, Karem Abdelmohsen1, Sita Karki1, John A Yellich2 and Tamer Elbayoumi3, (1)Western Michigan University, Department of Geological and Environmental Sciences, Kalamazoo, MI, United States, (2)Michigan Geological Survey, Kalamazoo, MI, United States, (3)Indiana University, Department of Statistics, Bloomington, IN, United States