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Calculating volume of water features

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11-06-2024 08:34 AM
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RichardMorris
Emerging Contributor

Hi _ I have used the Wetlands Identification Model to project possible wetland creation in a case study area. See turquoise areas in the attached image. I'd like to calculate how much water these wetland areas hold. What tool would I use? 

I've tried Storage Capacity in the Hydrology toolset but this is returning an error - see below. Happy to try other approaches.

Many thanks

Richard @Dean

Storage Capacity
=====================
Parameters

Input surface raster Clip_DEM_T.tif
Output table C:\RM\AHTests\T241014_DB\T241014_DB\T241014_DB.gdb\Clip_DEM_T_StorageCapacity
Input raster or feature zone data Wetlands_UM_Clip
Zone field OBJECTID
Analysis type AREA_VOLUME
Minimum elevation
Maximum elevation
Increment type NUMBER_OF_INCREMENTS
Increment
Z unit METER
Output chart name
=====================
Messages

Start Time: Thursday, 7 November 2024 5:25:00 am
Calculating storage capacity...
Traceback (most recent call last):
File "c:\program files\arcgis\pro\Resources\ArcToolbox\scripts\storagecapacity.py", line 243, in execute
res1 = arcpy.gp.ZonalStatisticsAsTable_sa(zone_raster, "Value", in_dem, scratchRngTable, "DATA", "MIN_MAX")
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Program Files\ArcGIS\Pro\Resources\ArcPy\arcpy\geoprocessing\_base.py", line 512, in <lambda>
return lambda *args: val(*gp_fixargs(args, True))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
arcgisscripting.ExecuteError: ERROR 000622: Failed to execute (Zonal Statistics as Table). Parameters are not valid.
ERROR 000628: Cannot set input into parameter in_value_raster.


During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "c:\program files\arcgis\pro\Resources\ArcToolbox\scripts\storagecapacity.py", line 404, in <module>
execute()
File "c:\program files\arcgis\pro\Resources\ArcToolbox\scripts\storagecapacity.py", line 401, in execute
raise arcpy.ExecuteError()
arcgisscripting.ExecuteError

Failed script Storage Capacity...
Failed to execute (StorageCapacity).
Failed at Thursday, 7 November 2024 5:25:03 am (Elapsed Time: 2.33 seconds)

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