1. Deutsches Geodätisches Forschungsinstitut der Technischen Universität München (DGFI-TUM), München, Germany
2. Nansen-Tutu Centre for Marine Environmental Research, University of Cape Town, Cape Town, South Africa
3. Egagasini Node, South African Environmental Observation Network, Cape Town, South Africa
4. Institute for Coastal and Marine Research, Nelson Mandela University, Port Elizabeth, South Africa
5. Deltares, Delft, Netherlands
6. Nansen Environmental and Remote Sensing Center, Bergen, Norway