The following project variables relate to the Catchment variable category. They refer to statistics and values for the whole catchment, ie., the collection of all subcatchments.
These project variables must all be prefixed with %Catchment. eg., %Catchment.CatchmentArea.
AverageSubCatchmentArea |
Average area of all subcatchments |
decimal |
m2 |
AverageSubCatchmentVectoredSlope |
Average of average vectored slope for each subcatchment |
decimal |
m/m |
AverageVectoredSlope |
Average vectored slope for catchment |
decimal |
m/m |
AverageVectoredHillSlope |
Average vectored hill slope for catchment |
decimal |
m/m |
BifurcationRatio |
Average bifurcation for catchment |
decimal |
|
CatchmentArea |
Total area of all subcatchments. |
decimal |
m2 |
HortonDrainageDensity |
Horton drainage density for catchment |
decimal |
km/km2 |
MainStreamLength |
Length of main stream within catchment |
decimal |
m |
MainStreamOriginPixelColumn |
Origin pixel column of main stream within catchment |
integer |
|
MainStreamOriginPixelRow |
Origin pixel row of main stream within catchment |
integer |
|
MainStreamSlope |
Slope of main stream within catchment |
decimal |
m/m |
CentroidEasting |
Easting of catchment centroid |
decimal |
user coordinate |
CentroidNorthing |
Northing of catchment centroid |
decimal |
user coordinate |
OutletCentroidEasting |
Easting of catchment outlet |
decimal |
user coordinate |
OutletCentroidNorthing |
Northing of catchment outlet |
decimal |
user coordinate |
MeanElevation |
Mean (Average) elevation of all pixels within the catchment |
decimal |
m |
MedianElevation |
Median elevation of all pixels within the catchment |
decimal |
m |
MinElevation |
Minimum elevation of all pixels within the catchment |
decimal |
m |
MaxElevation |
Maximum elevation of all pixels within the catchment |
decimal |
m |
VertRange |
Maximum catchment elevation minus minimum catchment elevation (i.e., VertRange = MaxElev - MinElev) |
decimal |
m |
ElevStdDeviation |
Standard deviation of all pixel elevations in catchment |
decimal |
m |
MaxNetworkDepth |
Maximum number of subcatchments that a pixel flow path may traverse |
integer |
|
MaxProcessingOrder |
Maximum processing order (should equal number of subcatchments in fully connected network) |
integer |
|
MaxStreamOrder |
Maximum Horton stream order for catchment |
integer |
|
NumberOfJunctions |
Total number of junctions |
integer |
|
NumberOfPixels |
Number of pixels within subcatchment. |
integer |
|
NumberOfSelfContainedSubCatchments |
Total number of subcatchments without upstream input |
integer |
|
NumberOfSubCatchments |
Total number of subcatchments. |
integer |
|
NumberOfThroughFlowSubCatchments |
Total number of subcatchments with upstream input. |
integer |
|
RasterDrainageDensity |
Raster drainage density for catchment |
decimal |
m2/m2 |
StDevSubCatchmentArea |
Standard deviation of subcatchment areas |
decimal |
m2 |
AverageSubCatchmentFlowLength |
The average of the flow path lengths to the their respective subcatchment outlet. Please note, this does not include smoothing. |
decimal |
m |
LakeArea |
The total area occupied by lakes within the catchment |
decimal |
ha |
LakeProp |
The proportion of area occupied by lakes relative to the total catchment area |
decimal |
|
