Node creation
Example of creating a node with default parameters, then updating the parameters with user-defined values.
using Streamfall
hymod_node = create_node(SimpleHyModNode, "410730", 129.2)
# Name: 410730 [SimpleHyModNode]
# Area: 129.2
# ┌───────────┬───────┬─────────────┬─────────────┬──────────────────────────────────────────────────────────────────────────────────────────────────────┐
# │ Parameter │ Value │ Lower Bound │ Upper Bound │ Description │
# ├───────────┼───────┼─────────────┼─────────────┼──────────────────────────────────────────────────────────────────────────────────────────────────────┤
# │ Sm_max │ 250.0 │ 1.0 │ 500.0 │ Maximum soil storage capacity. │
# │ B │ 1.0 │ 0.0 │ 2.0 │ Controls how quickly the catchment becomes saturated as rainfall accumulates. │
# │ alpha │ 0.2 │ 0.0 │ 1.0 │ The split between quick and slow flow components. Higher values direct more water through quickflow. │
# │ Kf │ 0.5 │ 0.1 │ 0.9999 │ Quickflow recession. │
# │ Ks │ 0.05 │ 0.001 │ 0.1 │ Slowflow recession. │
# └───────────┴───────┴─────────────┴─────────────┴──────────────────────────────────────────────────────────────────────────────────────────────────────┘
# Hymod parameters ("hy_" prefix is simply to avoid any variable name conflicts)
hy_Sm_max = 370.0
hy_B = 0.5
hy_alpha = 0.3
hy_Kf = 0.25
hy_Ks = 0.25
# Update parameters
update_params!(hymod_node, hy_Sm_max, hy_B, hy_alpha, hy_Kf, hy_Ks)
# The "Value" column indicates model parameters have been updated.
print(hymod_node)
# Name: 410730 [SimpleHyModNode]
# Area: 129.2
# ┌───────────┬───────┬─────────────┬─────────────┬──────────────────────────────────────────────────────────────────────────────────────────────────────┐
# │ Parameter │ Value │ Lower Bound │ Upper Bound │ Description │
# ├───────────┼───────┼─────────────┼─────────────┼──────────────────────────────────────────────────────────────────────────────────────────────────────┤
# │ Sm_max │ 370.0 │ 1.0 │ 500.0 │ Maximum soil storage capacity. │
# │ B │ 0.5 │ 0.0 │ 2.0 │ Controls how quickly the catchment becomes saturated as rainfall accumulates. │
# │ alpha │ 0.3 │ 0.0 │ 1.0 │ The split between quick and slow flow components. Higher values direct more water through quickflow. │
# │ Kf │ 0.25 │ 0.1 │ 0.9999 │ Quickflow recession. │
# │ Ks │ 0.25 │ 0.001 │ 0.1 │ Slowflow recession. │
# └───────────┴───────┴─────────────┴─────────────┴──────────────────────────────────────────────────────────────────────────────────────────────────────┘