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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Analytical tool to predict where fish can migrate

I would like to be able to predict where fish can migrate from a given river or lake. I have to take into consideration water connectivity as well as barriers (natural or artificial) that could ...
2
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0answers
33 views

Watershed delineation with meandering river

I'm using ArcGIS (Hydrology toolbox) for watershed delineation for a number of pour points, and I'm running into problems with very meandering rivers on extremely flat alluvial land (Amazon basin). ...
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0answers
15 views

Even though I added the Arc Hydro Tools to my toolboxes I cannot open and access the Arc Hydro Tools

Even though I added the Arc Hydro Tools to my toolboxes I cannot open and access the Arc Hydro Tools. [
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0answers
13 views

Reconditioning and Drainage Line ArcHydro

I cannot get ArcHydro to run Reconditioning - says object reference not set to an instance of an object. So, not finding what that refers to, I skipped that and used the sequence of Terrain ...
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2answers
43 views

How to Call ArcHydro Tools in Stand Alone Python Script

I am currently using ArcGIS ArcHydro tools to perform 'Catchment Polygon Processing'. However, it is proving time consuming to perform this for multiple rasters. How might a write a python script to ...
2
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0answers
33 views

Watershed tool producing same output as basin tool for all pour points [closed]

I am using the Hydrology Tools in the Spatial Analyst Toolbox (ArcGIS 10.3) I am trying to delineate watersheds in a region in order to do spatial interpolation by top-kriging at some ungaged sites. ...
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0answers
38 views

Overlay of .tiff format map in ArcGIS 10.1

I have 5 images in .tiff format. I want to do a weighted overlay, for that I want to convert these images to raster format. How to do weighted overlay or overlay using these images?
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37 views

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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0answers
89 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 ...
4
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1answer
239 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 ...
4
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1answer
181 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
94 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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0answers
127 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
129 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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0answers
18 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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30 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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0answers
43 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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0answers
77 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
338 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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0answers
58 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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0answers
90 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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241 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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102 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 ...
3
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1answer
193 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
1k 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
137 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
101 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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0answers
31 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
284 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
171 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 ?
2
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1answer
93 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 ...
3
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0answers
182 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
387 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
1k 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
174 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
203 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 ...
1
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1answer
571 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
362 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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0answers
202 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
1k 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 ...
3
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3answers
336 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
136 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
133 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 ...
1
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1answer
130 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
203 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. ...
1
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0answers
194 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
5k 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
2k 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 ...
1
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1answer
203 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 ...