A suite of tools developed by Esri to facilitate the creation, manipulation, and display of hydro features and objects within the ArcGIS environment.

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Stream Burning/DEM Reconditioning

I am conducting a regional study in the Midwest. I was wondering if stream burning would be necessary for this large region. I am using a 90 meter DEM. If stream burning is necessary, what should the ...
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40 views

Determining the Thalweg line of a river without bathymetry?

I have the boundaries and centerline of a river. The Thalweg line defines the deepest elevation of a watercourse (see Image taken from Google). I do not have accurate enough bathymetry or Digital ...
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1answer
173 views

How is “Burn Stream Slope” in ArcHydro working?

I have a DEM with only small relief and many ditches. Because of the small relief, I can't calculate flowdirections for some parts of my DEM. I know that in reality water is flowing from west to east ...
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1answer
76 views

Calculating Flooded area / Inundation in ArcGIS for Desktop?

I was tasked to create a layer with the flooded areas if the sea / river level was to go up by X feet. There is no requirement to take Flow and Pour Points into account, just a simple raise in water ...
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2answers
86 views

How to plan preservation of wetland using a DEM and ArcMap?

I'm trying to plan a wetland preservation. This is the DEM I have: My aim is to hold as much rainwater as possible in my area of interest (red poly) by building (as few as possible) new and raising ...
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97 views

Different watersheds for same area because of “burned streams”

Im trying to analyse where water is flowing which rains down to my project area. This is the DEM I have (my project area is bordered blue, the red marks are my pour points): I learned from another ...
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2answers
76 views

“ERROR 010214: Unable to read STA of…” while running Arc Hydro Geoprocessing Tools

Today I tried running the Combined Terrain with Unknown Sink and Stream Locations Tool from the Arc Hydro Toolset (version 10.3.0.58, ArcMap 10.3). As input I used a DTM with values between -10 and 19 ...
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14 views

Incorporating NHD Area or Waterbody data into contributing area delineations?

I am working on delineating several watersheds for lakes - and of course the delineations are not perfect. I am using the Arc Hydro tool, which I am new to and having difficulty with. As such, I am ...
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26 views

Arc Hydro 2.0 for arcgis 9.1 or later

I tried to download Arc Hydro 2.0 from here: https://mft.esri.com/EFTClient/Account/Login.htm But it seems the password has been changed. How do i login into it?
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35 views

Automatically selecting main rivers of very branched river network using Arc Hydro? [closed]

I'm using ArcGIS 10.1 for Desktop and Arc Hydro. Is there any way to automatically select the main rivers of a very branched river network?
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66 views

ArcGIS 10.1 Archydrotools watersheed delineation AdjointCatchment error

The process of adjoint catchment processing considered during watershed delineation, it is complete but I only have a very small number of watersheds. I found the following error, in the report: ...
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1answer
184 views

Arcgis 10.1 Archydro tools, converting RasterToPolygon How can I solve: ERROR 000732: Input Table:

I´m using arcgis 10.1 and Archydro tools. During the Catchment Polygon Processing, one of the steps used to define the watershed limits, I get the folowing error: Executing: CatchmentPolyProcessing ...
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1answer
49 views

Query limited to 1000 features

I was working in ArcHydro 9 and ArcGIS 9.3. I have a street network and I was populating From_Node and To_Node columns in Attribute Table using ArcHydro 9 Attribute Tools tab. However only 1000 arc ...
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48 views

Empty HydroEdge, HydroJunction, and ArcHydro attribute tables Arc Hydro Network generation?

I am attempting to convert hydrologic features into network features using Hydro Network Generation in the ArcHydro / network tools toolset. When I run it I get empty HydroEdge, HydroJunction, and ...
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235 views

How to process Floodplain delineation using ArcHydro toolbox

Long term lurker here, really hoping someone can help me out with this problem as I have been bashing my head against the wall over this problem for far to long now! I am attempting to follow this ...
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0answers
76 views

Generate Strahler number

Can we generate From-node and To-node from Arcgis 10.1 or we need other extensions? Or is there other way to generate river level ( Strahler Number)? Also, can you please explain if we need Raster ...
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188 views

Installing Arc Hydro problems

there is a link here to the various versions ESRI has to download: http://downloads.esri.com/archydro/archydro/ But the help file isn't clear on how to get it working. When I run the latest version ...
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89 views

Is there any recent documentation comparing Arc Hydro and TauDEM?

I'm researching GIS hydrology tools and I would like to do a comparison between Arc Hydro and TauDEM. I have been unable to find any relatively recent (within the last 2 years) and detailed ...
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1answer
117 views

Arc Hydro giving Error HRESLT E_FAIL has been returned from call to Component?

I have a problem with using Arc Hydro. I tried to follow these steps: App utilities> Set target locations Raster Data: C:users\seabell\Deskop\weekdata4\ Vector Data: ...
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2answers
908 views

Assign point IDs to respective start and end attributes of a polyline

I have two shapefiles, Point and Polyline. I'm trying to populate my polyline layer with the point data ID (systemID) where the lines start to where they end; eg. create two columns (from and to). The ...
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0answers
116 views

create a weight raster for a hydrology analysis

I determine affecting parameters of flood flow ( evaporation,vegetation,soil type, rainfall etc.). Then, I start to analysis using Arc Hydro. How do I relate among of affecting parameters? How can ...
2
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1answer
92 views

Aggregating river basins

I am not a hydrologist but am providing GIS infrastructure to our hydrology department which actually doesn't use GIS very much yet. Therefore I am asking for some hydrology related insights. Btw: We ...
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30 views

Attach attribute information to stream links

How can I attach related attribute information to individual segments of a stream?
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1answer
208 views

Digital Elevation Model Resolution

While I creat flood areas using DEM in ArcGIS, Which parameters do I consider to determine DEM's pixel size and resolution?
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2answers
136 views

Creating Stream Order with using thresholding

While creating stream network, I implement a thresholding. All cells's value is "1". Later, while creating stream segments, Do I use the second thresholding for separating link to segments ?
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1answer
80 views

Creating Stream Order

All of cell's values are "1" into stream network. Later, stream link seperates the segments using stream order tool. And, each stream segment has different grid codes. How do Stream Order discriminate ...
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133 views

How to perform mass-balance analysis with ArcHydro

I was wondering if there is any online manual/instruction for carrying out water mass balance analysis using ArcHydro? I have searched for such information, and the closest thing I can find is a ...
4
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1answer
299 views

Stream Segmentation in ArcGIS

When I create a stream segmentation using Archydro,“Fdr” and “Str” are the inputs for the Flow Direction Grid and the Stream Grid respectively. The output is the Link Grid. How is defined considering ...
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2answers
663 views

Create stream network using ArcGIS

When I create stream network in ArcGIS, for example, if there is a cell of more than 100 flowing into that, it assumes stream. Does ArcGIS decide to cells more than 100 or 80? If I decide, what are ...
2
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0answers
126 views

Determine inflow outflow of polygon based on flow accumulation

I'm working with ArcGIS 10.2 to try to determine if a given site has some sort of outflow for the water coming into the site. I'm using the ArcHydro tools and have calculated the flow direction and ...
2
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1answer
182 views

Watershed Analysis

I am performing watershed analysis using Archydro tools in ArcGIS10. After calculating all flow direction, accumulation, drainage network when I perform watershed delineation, it gives me the same ...
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1answer
411 views

How to derive stream order from vector network [duplicate]

I have a recently-updated extract from NHD High Resolution (updated in last 6 months) which means it hasn't been cranked through NHDPlus, and won't for many years to come, and thus has no Stream Order ...
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1answer
281 views

Using rainfall data (raster) as an input to determine stream lines in Arc Hydro?

I was wondering if it is possible to use rainfall data (raster) as an input to Arc Hydro for determining stream lines? I am learning Arc Hydo and have gone through a couple of tutorials. As far as I ...
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184 views

Striping Artifact in Aster DEM Mosaic

I'm working with SRTM and ASTER data for a university project. My goal is to delineate watersheds and evaluation of these with ArcGis 10 and ArcHydro. But a striping error occurs with the flow ...
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2answers
850 views

Creating weight raster for flow accumulation in ArcGIS for Desktop?

I am studying flood flow using ArcGIS for Desktop. When creating flow accumulation in hydrology, there is a weight raster. However, İf you do not have it, the programme sets its value to 1 which is ...
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3answers
298 views

What is Login to Esri FTP site for Arc Hydro Tools?

Esri used to have a forum sticky that contained the login instructions to the FTP site for the Arc Hydro tools. They have since deleted all of their forums. Does anyone know the login instructions ...
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0answers
123 views

Errors recognizing ArcHydro 2.0 and ArcGIS 10 when calculating ServiceSheds with InVEST HelperTools

after validating arguments, creating output folders, setting script variables, and checking DEM properties, the Create ServiceSheds tool from InVEST Helper Tools is telling me that ArcGIS10 and ...
2
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0answers
119 views

Measuring distance between discharge point, along river, until next intersection with another river?

i hope someone can answer me my simple question. I have two sets of data a river network --> line feature discharge points along those rivers --> Point Data The discharge points represent ...
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1answer
123 views

Managing large number of catchments/watersheds

Does anyone know of an easy way to manage a large number (10,000's) of catchments/watersheds? I have defined a stream network and for each segment, I have a corresponding catchment (in a unique ...
2
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0answers
182 views

ArcHydro Batch Subwatershed Delineation doesn contain catchment boundaries/falls short

When running the Batch Subwatershed Delineation in ArcHydro for 10.2/10.2.1, many of the output subwatershed areas do not completely enclose the catchments/adjointcatchments they are are representing. ...
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0answers
167 views

Determining average rainfall for cumulative watershed, where only sub-watersheds defined?

I have a polygon layer with sub-catchments (sub-watersheds) and a grid of rainfall. I have used the Zonal Stats as a table to calculate the average rainfall for each sub-catchment, but I now need to ...
4
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2answers
4k views

Arc Hydro 2.0 for use with ArcGIS 10.1 (or later) for Desktop?

I have ArcGIS 10.1 for Desktop and the toolbox of Arc Hydro 1.1 beta. I want to find and donwload the Arc Hydro 2.0 for use with ArcGIS 10.1 for Desktop but, after research on the net, I cannot find ...
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1answer
1k views

Fill sinks error in arcHydro

I am working on a project that is modeling runoff at a county level. The DEM used is lidar derived and has a 5 ft resolution. The general workflow I am flowing is Sink evaluation Sink Selection (to ...
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1answer
177 views

empty file geodatabase error (nowhere feature class)using arcpy [closed]

i want to import a python(2.7) script to arcmap 10.1 my script has 2 inputs variables one for workspace and another raster dataset and i want o convert input raster as feature class polygon . i want ...
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2answers
6k views

How to avoid ImportError: No module named arcpy causing Failed to execute (Script) error?

I have a proplem with arc hydro in arcpy,i want to create a simple script where automated some tools from archydro in arcpy.. I use arcmap 10.1 and python 1.7,my import is one dem and my export is a 6 ...
0
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1answer
125 views

automatic save outputs variables in the folder workspace using pyhon for arc map 10.1

I want to create python script with aim to import him in environment arcmap 10.1 and to make a hydrologic analysis because the scipt meybe can have many outputs raster file or feature class would ...
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1answer
231 views

How to use ArcMap for HydroPower Potential

I am trying to determine the sites for small hydropower. I have a elevation dem, rainfall data, Curve number data (from soil and landuse shapefiles). I have already used the DEM to fill sinks, find ...
7
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1answer
715 views

Hydrology toolbox versus Arc Hydro toolbox?

I would like to do some watershed delineation research/development (at the County level) with our LIDAR generated DEM, after it is corrected, but am wondering what, if any, differences might result ...
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2answers
65 views

Polygon Data to Fit Raster

I'm working with an NHD Flowline of streams and rivers in NC, and I'm trying to only retain the ones in the raster. I tried to convert to the raster to a polygon and was going to clip them, but in the ...
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0answers
259 views

How to run Arc Hydro in ModelBuilder?

I tried to run a ModelBuilder program but it gave the error below. I am working in ArcMap 10.2, windows 7 64 bit pro and the raster format is Grid. When installing ArcGIS 10.2, it required me to ...