Questions tagged [stream-order]
A method of classifying the relationship between segments of flowing water bodies.
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Drainage area at a point of my choice
I want to get drainage areas at specific points (the points are places I want to put culverts for a railwork construction).
The thing is that when I run either upslope area or PCraster tools, the ...
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New flow direction attribute for sub-catchment layer in QGIS
I have a polygon layer in QGIS with self-created sub-catchments. I also have a DEM, a flow-direction raster and a raster with the corresponding stream network and stream order. I would like to create ...
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Why stream numbers generated by r.stream.order go one after other, not succeeding
Subwatersheds and streams corresponding form an 2n+1 series, where n=0,1,2...
I don't know for what reason, and I also doubt if it works like that in all cases.
It's very useful for me as I would like ...
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Is it possible to edit stream network to correspond a new subwatersheds raster and then run r.stream.order?
All rasters are created with r.watershed. So, I have:
streams raster,
accumulation and
directions.
We know, that streams raster should correspond exactly to directions raster in order to use r....
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Validating that the smallest channel extracted using ArcMap (Hydrology toolbox) from DEM is the first-order stream
In ArcMap, the 'Hydrology' tool under the toolbox 'Spatial Analyst' can be used to extract the stream network, as described in detail here: extract streams from DEM. One step consists of using a ...
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v.stream.order extension does not install in GRASS 8.2
I'm trying to install the v.stream.order extension for GRASS 8.2 from here:
https://wingrass.fsv.cvut.cz/grass82/addons/grass-8.2.0/v.stream.order.zip
But inspecting the zip file, it seems to be ...
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How to resolve the problem of multiple parallel streams and unmatched river flow in Stream Network?
I am working on sub-watersheds delineation of an area. The extracted streams do not match with the real world scenario. I have two issues;
there are multiple streams lines which do not match with ...
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Stream order data for Canadian streams
I am researching streams and I want to select 1st-3rd order streams in North America. The NHD Plus V2 Flowline Network contains stream order (Strahler) in the packaged data and I was wondering if ...
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Ordering points along rivers in ArcGIS
I have data on the location of water treatment facilities in the EU (green in the map) and of stations that control for water quality in rivers (blue in the map). I'd like to get a list of treatment ...
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Ordering points along river in QGIS
I found data on water treatment facilities in the EU (labelled in green on the map) and stations that control for water quality in rivers (labelled in black). I'd like to get a list of treatment ...
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Not able to dispaly large shapefiles
I have a large stream vector file (6GB) which contains four files (shp, prj, shx and dbf) all located together. I cannot display in QGIS. I get this error message from QGIS: The shapefile is not valid ...
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Obtain channel/stream network from a DEM in QGIS
This might sound like a basic question, but running SAGA's Strahler order won't do the job for me. The lengths of the streams look way too short and this is quite a mountainous area. The result makes ...
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How would I process and output every possible route of a stream network?
Starting with a stream network, I would like an output that includes every possible route from the lowest level stream to the highest level river as separate lines. Is this possible?
I am using QGIS. ...
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Strahler Order Error
I'm using QGIS (Zanzibar) for a project in my university and that includes finding the stream order and some shape parameters. So I tried using the strahler order to calculate the stream orders and ...
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How to train or calibrate stream flow accumulation using observation data?
I need to calculate flowrate at designated coordinates (Point of interest - POI) in a watershed. I have real-world data from stream gauge stations along this watershed for each 50-150 km2 rainfall ...
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