Find Optimal Lag

Choice on Raster GIS menu, migration over time submenu. 


This was initially designed for hole filling SRTM with ASTER data (Obrock and Guth, 2008), before the release of GDEM.  It was redone  to monitor change in grids, for instance with dune crest migration.  The latest changes were to see if there are shifts between the Global Regional DEMs

Example comparing shifts

Last revision 3/29/2022