Questions tagged [hand]

HAND (height above nearest drainage) is a hydrologically-relevant terrain model that normalizes topography according to the local relative heights found along a drainage network.

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Generate Height Above the Nearest Drainage (HAND) using QGIS

I have a DEM I want to generate a HAND for and want to do so in QGIS. Does anyone know of any plugins or the processing steps to be able to do this?
TheMinimalistMapper's user avatar
2 votes
2 answers

Are two rasters the same, including null values, in ArcGIS desktop?

I am working on a task to calculate Height Above Nearest Drainage (HAND) - that is the height above the nearest point along the flow path that is on a drainage - not the geographically nearest ...
haresfur's user avatar
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1 vote
2 answers

Correcting Errors in Height Above Nearest Drainage (HAND) model

I have used this tread Spatial Analysis - Calculate a cells elevation (height) above the nearest stream cell to create a HAND map in ArcGIS. First I used the hydrology toolset to fill in sink in the ...
 Kojo 's user avatar
1 vote
1 answer

Explanation of HAND (height above nearest drainage) model procedure

i tried to follow this procedure Spatial Analysis - Calculate a cells elevation (height) above the nearest stream cell but i have some problem to understand everything. I mean the 2th answer in the ...
Luca Bucci's user avatar
1 vote
0 answers

How to remove negative values from a created HAND model

I have used ArcGIS to create a HAND (height above nearest drainage) using an SRTM DEM. However, some small portions have negative values in the model which is supposed to have zeros as the minimum ...
 Kojo 's user avatar
0 votes
0 answers

Raster manipulation in ArcGIS - Flood Mapping with HAND

I am trying to create flood maps using the height above nearest drainage (HAND) method using data from the continental flood inundation mapping (CFIM) project. I have the following data: A raster map ...
David B's user avatar
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