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Howerive vector stream network from a DEM using D-Infinity Flow Direction algorithm?
How to assign correct flow direction to stream network polylines?Delination of half basins or hillslopes from a flow direction map or/and a stream networkArcGIS - Flow Direction (Algorithm)Flow Accumulation and Flow Path Error from Flow Direction Raster in ArcMap?How to display Flow Direction arrows + Burn Stream Netwok in QGIS?Flow direction without DEM / rasterStream order from flow accumulation rasterFlow Direction created from depressionless DEM inaccurate in flat areasCompute flow accumulation only from flow direction?Comparing aerial photography with stream network (flow accumulation tool)?
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I have been working with a 1m LiDAR derived DEM to create a vector stream network. Using the D8 flow direction, D8 flow accumulation, and a specified threshold, I was able to create a vector stream network. I used the Stream to Feature tool from ArcGIS Desktop using the D8 Flow Direction raster and the Stream Source Raster. However, if I want to calculate the stream feature from D-Infinity flow direction and flow accumulation, what can be done? In terms of using the Stream to Feature tool of ArcGIS, it does not take the D Infinity Flow Direction raster as input since it is a floating point raster.
I am using ArcGIS Desktop 10.6.1 and also I am using TauDEM software.
dem hydrology flow-accumulation flow-direction stream
edited Apr 3 at 22:08
PolyGeo♦
53.8k1781245
asked Apr 3 at 17:00
sbhadrasbhadra
285
add a comment |
I have been working with a 1m LiDAR derived DEM to create a vector stream network. Using the D8 flow direction, D8 flow accumulation, and a specified threshold, I was able to create a vector stream network. I used the Stream to Feature tool from ArcGIS Desktop using the D8 Flow Direction raster and the Stream Source Raster. However, if I want to calculate the stream feature from D-Infinity flow direction and flow accumulation, what can be done? In terms of using the Stream to Feature tool of ArcGIS, it does not take the D Infinity Flow Direction raster as input since it is a floating point raster.
I am using ArcGIS Desktop 10.6.1 and also I am using TauDEM software.
dem hydrology flow-accumulation flow-direction stream
edited Apr 3 at 22:08
PolyGeo♦
53.8k1781245
asked Apr 3 at 17:00
sbhadrasbhadra
285
Delineation of hydrological flow characteristics from a 1m DEM is a notable scale mismatch. At that scale you are functionally routing flow around irrelevant obstructions such as stumps and boulders. The idea behind DEM conditioning is to produce a smooth surface. The amount of noise in a high-res lidar DEM will produce somewhat erroneous results as a function of the algorithms and the functional scale that flow operates on. For D-inf you will need TauDEM.
– Jeffrey Evans
Apr 3 at 17:13
Actually I am considering this manmade artifacts. I know the high-res DEM would result in erroneous pits and create unnatural flow. However, in TauDEM there is a function called "Stream Reach and Watershed" which also create vector stream line. But it takes the D8 flow direction raster as input in this function. Considering I am interested in D infinity, I still do not know how to get the vector stream network?
– sbhadra
Apr 3 at 17:38
I have used TauDEM, with D-inf, many times for stream delineation. I suggest that you read the command line users guide. hydrology.usu.edu/taudem/taudem5/TauDEM53CommandLineGuide.pdf
– Jeffrey Evans
Apr 3 at 17:55
add a comment |
I have been working with a 1m LiDAR derived DEM to create a vector stream network. Using the D8 flow direction, D8 flow accumulation, and a specified threshold, I was able to create a vector stream network. I used the Stream to Feature tool from ArcGIS Desktop using the D8 Flow Direction raster and the Stream Source Raster. However, if I want to calculate the stream feature from D-Infinity flow direction and flow accumulation, what can be done? In terms of using the Stream to Feature tool of ArcGIS, it does not take the D Infinity Flow Direction raster as input since it is a floating point raster.
I am using ArcGIS Desktop 10.6.1 and also I am using TauDEM software.
dem hydrology flow-accumulation flow-direction stream
edited Apr 3 at 22:08
PolyGeo♦
53.8k1781245
asked Apr 3 at 17:00
sbhadrasbhadra
285
I have been working with a 1m LiDAR derived DEM to create a vector stream network. Using the D8 flow direction, D8 flow accumulation, and a specified threshold, I was able to create a vector stream network. I used the Stream to Feature tool from ArcGIS Desktop using the D8 Flow Direction raster and the Stream Source Raster. However, if I want to calculate the stream feature from D-Infinity flow direction and flow accumulation, what can be done? In terms of using the Stream to Feature tool of ArcGIS, it does not take the D Infinity Flow Direction raster as input since it is a floating point raster.
I am using ArcGIS Desktop 10.6.1 and also I am using TauDEM software.
dem hydrology flow-accumulation flow-direction stream
dem hydrology flow-accumulation flow-direction stream
edited Apr 3 at 22:08
PolyGeo♦
53.8k1781245
asked Apr 3 at 17:00
sbhadrasbhadra
285
edited Apr 3 at 22:08
PolyGeo♦
53.8k1781245
asked Apr 3 at 17:00
sbhadrasbhadra
285
edited Apr 3 at 22:08
PolyGeo♦
53.8k1781245
edited Apr 3 at 22:08
PolyGeo♦
53.8k1781245
edited Apr 3 at 22:08
PolyGeo♦
53.8k1781245
53.8k1781245
asked Apr 3 at 17:00
sbhadrasbhadra
285
asked Apr 3 at 17:00
sbhadrasbhadra
285
asked Apr 3 at 17:00
sbhadrasbhadra
285
285
Delineation of hydrological flow characteristics from a 1m DEM is a notable scale mismatch. At that scale you are functionally routing flow around irrelevant obstructions such as stumps and boulders. The idea behind DEM conditioning is to produce a smooth surface. The amount of noise in a high-res lidar DEM will produce somewhat erroneous results as a function of the algorithms and the functional scale that flow operates on. For D-inf you will need TauDEM.
– Jeffrey Evans
Apr 3 at 17:13
Actually I am considering this manmade artifacts. I know the high-res DEM would result in erroneous pits and create unnatural flow. However, in TauDEM there is a function called "Stream Reach and Watershed" which also create vector stream line. But it takes the D8 flow direction raster as input in this function. Considering I am interested in D infinity, I still do not know how to get the vector stream network?
– sbhadra
Apr 3 at 17:38
I have used TauDEM, with D-inf, many times for stream delineation. I suggest that you read the command line users guide. hydrology.usu.edu/taudem/taudem5/TauDEM53CommandLineGuide.pdf
– Jeffrey Evans
Apr 3 at 17:55
add a comment |
Delineation of hydrological flow characteristics from a 1m DEM is a notable scale mismatch. At that scale you are functionally routing flow around irrelevant obstructions such as stumps and boulders. The idea behind DEM conditioning is to produce a smooth surface. The amount of noise in a high-res lidar DEM will produce somewhat erroneous results as a function of the algorithms and the functional scale that flow operates on. For D-inf you will need TauDEM.
– Jeffrey Evans
Apr 3 at 17:13
Actually I am considering this manmade artifacts. I know the high-res DEM would result in erroneous pits and create unnatural flow. However, in TauDEM there is a function called "Stream Reach and Watershed" which also create vector stream line. But it takes the D8 flow direction raster as input in this function. Considering I am interested in D infinity, I still do not know how to get the vector stream network?
– sbhadra
Apr 3 at 17:38
I have used TauDEM, with D-inf, many times for stream delineation. I suggest that you read the command line users guide. hydrology.usu.edu/taudem/taudem5/TauDEM53CommandLineGuide.pdf
– Jeffrey Evans
Apr 3 at 17:55
Delineation of hydrological flow characteristics from a 1m DEM is a notable scale mismatch. At that scale you are functionally routing flow around irrelevant obstructions such as stumps and boulders. The idea behind DEM conditioning is to produce a smooth surface. The amount of noise in a high-res lidar DEM will produce somewhat erroneous results as a function of the algorithms and the functional scale that flow operates on. For D-inf you will need TauDEM.
– Jeffrey Evans
Apr 3 at 17:13
Delineation of hydrological flow characteristics from a 1m DEM is a notable scale mismatch. At that scale you are functionally routing flow around irrelevant obstructions such as stumps and boulders. The idea behind DEM conditioning is to produce a smooth surface. The amount of noise in a high-res lidar DEM will produce somewhat erroneous results as a function of the algorithms and the functional scale that flow operates on. For D-inf you will need TauDEM.
– Jeffrey Evans
Apr 3 at 17:13
Actually I am considering this manmade artifacts. I know the high-res DEM would result in erroneous pits and create unnatural flow. However, in TauDEM there is a function called "Stream Reach and Watershed" which also create vector stream line. But it takes the D8 flow direction raster as input in this function. Considering I am interested in D infinity, I still do not know how to get the vector stream network?
– sbhadra
Apr 3 at 17:38
Actually I am considering this manmade artifacts. I know the high-res DEM would result in erroneous pits and create unnatural flow. However, in TauDEM there is a function called "Stream Reach and Watershed" which also create vector stream line. But it takes the D8 flow direction raster as input in this function. Considering I am interested in D infinity, I still do not know how to get the vector stream network?
– sbhadra
Apr 3 at 17:38
I have used TauDEM, with D-inf, many times for stream delineation. I suggest that you read the command line users guide. hydrology.usu.edu/taudem/taudem5/TauDEM53CommandLineGuide.pdf
– Jeffrey Evans
Apr 3 at 17:55
I have used TauDEM, with D-inf, many times for stream delineation. I suggest that you read the command line users guide. hydrology.usu.edu/taudem/taudem5/TauDEM53CommandLineGuide.pdf
– Jeffrey Evans
Apr 3 at 17:55
add a comment |
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Delineation of hydrological flow characteristics from a 1m DEM is a notable scale mismatch. At that scale you are functionally routing flow around irrelevant obstructions such as stumps and boulders. The idea behind DEM conditioning is to produce a smooth surface. The amount of noise in a high-res lidar DEM will produce somewhat erroneous results as a function of the algorithms and the functional scale that flow operates on. For D-inf you will need TauDEM.
– Jeffrey Evans
Apr 3 at 17:13
Actually I am considering this manmade artifacts. I know the high-res DEM would result in erroneous pits and create unnatural flow. However, in TauDEM there is a function called "Stream Reach and Watershed" which also create vector stream line. But it takes the D8 flow direction raster as input in this function. Considering I am interested in D infinity, I still do not know how to get the vector stream network?
– sbhadra
Apr 3 at 17:38
I have used TauDEM, with D-inf, many times for stream delineation. I suggest that you read the command line users guide. hydrology.usu.edu/taudem/taudem5/TauDEM53CommandLineGuide.pdf
– Jeffrey Evans
Apr 3 at 17:55