Welcome to the Earthdata Forum! Here, the scientific user community and subject matter experts from NASA Distributed Active Archive Centers (DAACs), and other contributors, discuss research needs, data, and data applications.
Yes. GEDI measures the height of vegetation above the surface, so inundation (e.g. tides) will impact the estimation of canopy height. Validation of GEDI products is an active area of research, but targeted NASA LVIS acquisitions in the Pongara region (Gabon) are being used for this purpose. Dr. Lola Fatoyinbo (NASA GSFC) is a good point of contact.