What are the limitations to use a MDE (derived of the SRTM, with resolution 30x30m) to represent a floodplain of a big river in amazon basin?

I want to use a Digital Elevation Model (DEM) derived from a SRTM image, the HEC-RAS software to represent a 1D / 2D model. I have fathered the TIN image in ArcGIS. The literature suggests that it...

05 June 2016 1,459 4 View