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Geronimo234
Hi there,   I'm quite new in ArcGIS (student), so I'm not used to all the possibly tools, ideas and creations of ArcGIS.   At the moment I'm looking for a place to set up a (hypothetical) dumbing ground near Ayamonte, Spain.   I thought about using DEM data sets from EarthExplorer, calculate the flow direction of each cell (with the tool flow… (Show more)
in Arc Hydro
perryfla
Does a version work with ArcMap 10.3 or 10.4?
in Arc Hydro
clangridge1
Here is the some background. I am trying to create streams from DEM. The DEM data is LiDAR product, in 1 meter resolution. I exported a small area of the province. The number of raster cells = 1200million.  I did the hydroconditioning of the DEM, Fill and Flow Direction. All finished successfully within decent time. But the Flow Accumulation took… (Show more)
in Arc Hydro
fernandezz.franciscoo
Hello everyone,   I am currently trying to delineate an urban watershed using Arc Hydro tools. I have successfully completed all the Terrain Processing steps up to Catchment Grid Delineation. When I try to run Catchment Polygon Processing I keep getting this error message:   Error HRESULT E_FAIL has been returned from a call to a COM component  … (Show more)
in Arc Hydro
bem08c
Hi all,    I'm trying to use to Arc Hydro Groundwater Toolbar and running into an issue. When I install the tools and open up ArcMap, if i navigate to customize->toolbars the Arc Hydro Groundwater toolbar will be there. However, when i click it no toolbar pops up and when I go back to click it again it has now disappeared from the toolbar menu. I… (Show more)
in Arc Hydro
rajahprakash
hi everyone! i am about to  prepare the flood hazard maps based on river & flash floods (area about 30 Sq Km) ,  to do so, i am preparing the hydro models based on number of platform (Arc hydro, Hec-Ras, Hec-Hms), & i am seeking well arranged procedures (models) to get reliable flood hazard maps, & recently read about " Stream  WSE From Point… (Show more)
in Arc Hydro
bem08c
Hi All,    I'm trying to create a Stream Order layer from named NHD lines and I'm running into a few problems. First off, I have done this before and it is possible. I'm running through the steps: Assign Hydro ID, Generate to/from nodes,Find next Downstream line, Assign River order.   My data set has around 66,000 lines segments and each of… (Show more)
in Arc Hydro
npai
I am doing some large scale attribute accumulation requiring 8-12 hours and have the attributes in multiple fields. Is there a way to setup the attribute accumulation for multiple fields at the same time?  Currently, I am doing these by making copies of the feature class and running attribute accumulation separately. Looking for a more efficient… (Show more)
in Arc Hydro