topic I am trying to delineate/model a floodplain using only a DEM and ArcHydro tools but unsure of workflow - anyone done this before? in Water Resources Questions https://community.esri.com/t5/water-resources-questions/i-am-trying-to-delineate-model-a-floodplain-using/m-p/589944#M3032 <HTML><HEAD></HEAD><BODY><P>I am working without access to flood gauge or any other water level data, and wish to delineate the floodplain by either using slope/flow direction/acc etc. Has anyone done this before?</P><P></P><P>Thank you!</P></BODY></HTML> Mon, 10 Feb 2020 22:14:49 GMT FernandoCasal 2020-02-10T22:14:49Z I am trying to delineate/model a floodplain using only a DEM and ArcHydro tools but unsure of workflow - anyone done this before? https://community.esri.com/t5/water-resources-questions/i-am-trying-to-delineate-model-a-floodplain-using/m-p/589944#M3032 <HTML><HEAD></HEAD><BODY><P>I am working without access to flood gauge or any other water level data, and wish to delineate the floodplain by either using slope/flow direction/acc etc. Has anyone done this before?</P><P></P><P>Thank you!</P></BODY></HTML> Mon, 10 Feb 2020 22:14:49 GMT https://community.esri.com/t5/water-resources-questions/i-am-trying-to-delineate-model-a-floodplain-using/m-p/589944#M3032 FernandoCasal 2020-02-10T22:14:49Z