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30X30 DEM

Question asked by yaredmichael on Feb 13, 2015
Latest reply on Feb 13, 2015 by Dan_Patterson



I have just downloaded a 30x30m DEM from  ASTER GDEM. However, after I mosaic it and open in in Arcmap, I found it to be actually 0.00027777x0.00027777m resolution and could not get a realstic feature (vertical lines) when I export and view it in HEC-RAS.Your usual and kind helps please.