Electromagnetic signals due to ocean tides: Multiscale Forward Modelling in Spherical Coordinates

Huiqian Zhang, ITAG Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China, Gary D Egbert, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Anna Kelbert, USGS Central Region Offices Denver, Denver, CO, United States and Alan D Chave, Woods Hole Oceanographic Institution, Woods Hole, MA, United States