def test_voronoi_closedinternal():
"""Test routing on a (radial) voronoi, but with a closed interior node."""
vmg = RadialModelGrid(2, dr=2.)
z = np.full(20, 10., dtype=float)
all_bounds_but_one = np.array((0, 1, 2, 3, 4, 7, 11, 15, 16, 17, 18, 19))
vmg.status_at_node[all_bounds_but_one] = CLOSED_BOUNDARY
vmg.status_at_node[8] = CLOSED_BOUNDARY # new internal closed
z[12] = 0. # outlet
inner_elevs = (8., 7., 1., 6., 4., 5.)
z[vmg.core_nodes] = np.array(inner_elevs)
vmg.add_field("node", "topographic__elevation", z, units="-")
with pytest.deprecated_call():
fr = FlowRouter(vmg)
cells_contributing = [
np.array([0]),
np.array([1]),
np.array([0, 1, 3, 4, 5, 6]),
np.array([1, 4]),
np.array([1, 4, 5, 6]),
np.array([1, 4, 6]),
]
A_target_internal = np.zeros(vmg.number_of_core_nodes, dtype=float)
for i in range(6):
A_target_internal[i] = vmg.area_of_cell[cells_contributing[i]].sum()
A_target_outlet = vmg.area_of_cell[vmg.cell_at_node[vmg.core_nodes]].sum()
fr.run_one_step()
assert vmg.at_node["drainage_area"][vmg.core_nodes] == pytest.approx(
A_target_internal
)
assert vmg.at_node["drainage_area"][12] == pytest.approx(A_target_outlet)
def test_voronoi_closedinternal():
"""Test routing on a (radial) voronoi, but with a closed interior node."""
vmg = RadialModelGrid(2, dr=2.)
z = np.full(20, 10., dtype=float)
all_bounds_but_one = np.array((0, 1, 2, 3, 4, 7, 11, 15, 16, 17, 18, 19))
vmg.status_at_node[all_bounds_but_one] = CLOSED_BOUNDARY
vmg.status_at_node[8] = CLOSED_BOUNDARY # new internal closed
z[12] = 0. # outlet
inner_elevs = (8., 7., 1., 6., 4., 5.)
z[vmg.core_nodes] = np.array(inner_elevs)
vmg.add_field("node", "topographic__elevation", z, units="-")
fr = FlowRouter(vmg)
cells_contributing = [
np.array([0]),
np.array([1]),
np.array([0, 1, 3, 4, 5, 6]),
np.array([1, 4]),
np.array([1, 4, 5, 6]),
np.array([1, 4, 6]),
]
A_target_internal = np.zeros(vmg.number_of_core_nodes, dtype=float)
for i in range(6):
A_target_internal[i] = vmg.area_of_cell[cells_contributing[i]].sum()
A_target_outlet = vmg.area_of_cell[vmg.cell_at_node[vmg.core_nodes]].sum()
fr.run_one_step()
assert vmg.at_node["drainage_area"][vmg.core_nodes] == pytest.approx(
A_target_internal
)
assert vmg.at_node["drainage_area"][12] == pytest.approx(A_target_outlet)
def test_variable_Qin(dans_grid1):
"""Test variable Qin field."""
Qin_local = np.zeros(25, dtype=float)
Qin_local[13] = 2.
dans_grid1.mg.add_field("node", "water__unit_flux_in", Qin_local, units="m**3/s")
fr = FlowRouter(dans_grid1.mg)
fr.run_one_step()
Qout_local = np.zeros_like(Qin_local)
Qout_local[10:14] = 200.
assert_array_equal(Qout_local, dans_grid1.mg.at_node["surface_water__discharge"])
assert_array_equal(dans_grid1.A_target, dans_grid1.mg.at_node["drainage_area"])
def test_variable_Qin(dans_grid1):
"""Test variable Qin field."""
Qin_local = np.zeros(25, dtype=float)
Qin_local[13] = 2.
dans_grid1.mg.add_field("node", "water__unit_flux_in", Qin_local, units="m**3/s")
with pytest.deprecated_call():
fr = FlowRouter(dans_grid1.mg)
fr.run_one_step()
Qout_local = np.zeros_like(Qin_local)
Qout_local[10:14] = 200.
assert_array_equal(Qout_local, dans_grid1.mg.at_node["surface_water__discharge"])
assert_array_equal(dans_grid1.A_target, dans_grid1.mg.at_node["drainage_area"])
def test_voronoi():
"""Test routing on a (radial) voronoi."""
vmg = RadialModelGrid(2, dr=2.0)
z = np.full(20, 10.0, dtype=float)
# vmg.status_at_node[8:] = CLOSED_BOUNDARY
all_bounds_but_one = np.array((0, 1, 2, 3, 4, 7, 11, 15, 16, 17, 18, 19))
vmg.status_at_node[all_bounds_but_one] = CLOSED_BOUNDARY
# z[7] = 0. # outlet
z[12] = 0.0 # outlet
# inner_elevs = (3., 1., 4., 5., 6., 7., 8.)
inner_elevs = (8.0, 7.0, 3.0, 1.0, 6.0, 4.0, 5.0)
# z[:7] = np.array(inner_elevs)
z[vmg.core_nodes] = np.array(inner_elevs)
vmg.add_field("node", "topographic__elevation", z, units="-")
with pytest.deprecated_call():
fr = FlowRouter(vmg)
# nodes_contributing = [np.array([0, 3, 4, 5]),
# np.array([0, 1, 2, 3, 4, 5, 6]),
# np.array([2, ]),
# np.array([3, ]),
# np.array([4, ]),
# np.array([5, ]),
# np.array([6, ])]
# The follow list contains arrays with the IDs of cells contributing flow
# to nodes 5, 6, 8, 9, 10, 13, and 14, respectively (which correspond to
# cells 0-6)
cells_contributing = [
np.array([0]),
np.array([1]),
np.array([1, 2, 4, 6]),
np.array([0, 1, 2, 3, 4, 5, 6]),
np.array([4]),
np.array([5]),
np.array([6]),
]
A_target_core = np.zeros(vmg.number_of_core_nodes)
for i in range(7):
A_target_core[i] = vmg.area_of_cell[cells_contributing[i]].sum()
A_target_outlet = vmg.area_of_cell.sum()
fr.run_one_step()
assert vmg.at_node["drainage_area"][vmg.core_nodes] == pytest.approx(
A_target_core)
assert vmg.at_node["drainage_area"][12] == pytest.approx(A_target_outlet)
def test_internal_closed(internal_closed):
"""Test closed nodes in the core of the grid."""
with pytest.deprecated_call():
fr = FlowRouter(internal_closed.mg)
fr.run_one_step()
assert internal_closed.A_target == pytest.approx(
internal_closed.mg.at_node["drainage_area"])
assert_array_equal(internal_closed.frcvr_target,
internal_closed.mg.at_node["flow__receiver_node"])
assert_array_equal(
internal_closed.links2rcvr_target,
internal_closed.mg.at_node["flow__link_to_receiver_node"],
)
assert internal_closed.A_target == pytest.approx(
internal_closed.mg.at_node["surface_water__discharge"])
assert internal_closed.steepest_target == pytest.approx(
internal_closed.mg.at_node["topographic__steepest_slope"])
def test_irreg_topo_new(dans_grid2):
"""Test D4 routing on a toy irregular topo. 'method' passed to init."""
with pytest.deprecated_call():
fr = FlowRouter(dans_grid2.mg, method="D4")
fr.run_one_step()
assert_array_equal(dans_grid2.A_target_D4,
dans_grid2.mg.at_node["drainage_area"])
assert_array_equal(dans_grid2.frcvr_target_D4,
dans_grid2.mg.at_node["flow__receiver_node"])
assert_array_equal(dans_grid2.upids_target_D4,
dans_grid2.mg.at_node["flow__upstream_node_order"])
assert_array_equal(
dans_grid2.links2rcvr_target_D4,
dans_grid2.mg.at_node["flow__link_to_receiver_node"],
)
assert dans_grid2.steepest_target_D4 == pytest.approx(
dans_grid2.mg.at_node["topographic__steepest_slope"])
def test_voronoi():
"""Test routing on a (radial) voronoi."""
vmg = RadialModelGrid(2, dr=2.)
z = np.full(20, 10., dtype=float)
# vmg.status_at_node[8:] = CLOSED_BOUNDARY
all_bounds_but_one = np.array((0, 1, 2, 3, 4, 7, 11, 15, 16, 17, 18, 19))
vmg.status_at_node[all_bounds_but_one] = CLOSED_BOUNDARY
# z[7] = 0. # outlet
z[12] = 0. # outlet
# inner_elevs = (3., 1., 4., 5., 6., 7., 8.)
inner_elevs = (8., 7., 3., 1., 6., 4., 5.)
# z[:7] = np.array(inner_elevs)
z[vmg.core_nodes] = np.array(inner_elevs)
vmg.add_field("node", "topographic__elevation", z, units="-")
with pytest.deprecated_call():
fr = FlowRouter(vmg)
# nodes_contributing = [np.array([0, 3, 4, 5]),
# np.array([0, 1, 2, 3, 4, 5, 6]),
# np.array([2, ]),
# np.array([3, ]),
# np.array([4, ]),
# np.array([5, ]),
# np.array([6, ])]
# The follow list contains arrays with the IDs of cells contributing flow
# to nodes 5, 6, 8, 9, 10, 13, and 14, respectively (which correspond to
# cells 0-6)
cells_contributing = [
np.array([0]),
np.array([1]),
np.array([1, 2, 4, 6]),
np.array([0, 1, 2, 3, 4, 5, 6]),
np.array([4]),
np.array([5]),
np.array([6]),
]
A_target_core = np.zeros(vmg.number_of_core_nodes)
for i in range(7):
A_target_core[i] = vmg.area_of_cell[cells_contributing[i]].sum()
A_target_outlet = vmg.area_of_cell.sum()
fr.run_one_step()
assert vmg.at_node["drainage_area"][vmg.core_nodes] == pytest.approx(A_target_core)
assert vmg.at_node["drainage_area"][12] == pytest.approx(A_target_outlet)
def test_irreg_topo(dans_grid2):
"""Test D8 routing on a toy irregular topo."""
fr = FlowRouter(dans_grid2.mg)
fr.run_one_step()
assert_array_equal(dans_grid2.A_target_D8, dans_grid2.mg.at_node["drainage_area"])
assert_array_equal(
dans_grid2.frcvr_target_D8, dans_grid2.mg.at_node["flow__receiver_node"]
)
assert_array_equal(
dans_grid2.upids_target_D8, dans_grid2.mg.at_node["flow__upstream_node_order"]
)
assert_array_equal(
dans_grid2.links2rcvr_target_D8,
dans_grid2.mg.at_node["flow__link_to_receiver_node"],
)
assert dans_grid2.steepest_target_D8 == pytest.approx(
dans_grid2.mg.at_node["topographic__steepest_slope"]
)
def test_irreg_topo(dans_grid2):
"""Test D8 routing on a toy irregular topo."""
with pytest.deprecated_call():
fr = FlowRouter(dans_grid2.mg)
fr.run_one_step()
assert_array_equal(dans_grid2.A_target_D8, dans_grid2.mg.at_node["drainage_area"])
assert_array_equal(
dans_grid2.frcvr_target_D8, dans_grid2.mg.at_node["flow__receiver_node"]
)
assert_array_equal(
dans_grid2.upids_target_D8, dans_grid2.mg.at_node["flow__upstream_node_order"]
)
assert_array_equal(
dans_grid2.links2rcvr_target_D8,
dans_grid2.mg.at_node["flow__link_to_receiver_node"],
)
assert dans_grid2.steepest_target_D8 == pytest.approx(
dans_grid2.mg.at_node["topographic__steepest_slope"]
)
def test_accumulate_D8(dans_grid1):
"""Test accumulation works for D8 in a simple scenario."""
with pytest.deprecated_call():
fr = FlowRouter(dans_grid1.mg)
fr.run_one_step()
assert_array_equal(dans_grid1.A_target,
dans_grid1.mg.at_node["drainage_area"])
assert_array_equal(dans_grid1.frcvr_target,
dans_grid1.mg.at_node["flow__receiver_node"])
assert_array_equal(dans_grid1.upids_target,
dans_grid1.mg.at_node["flow__upstream_node_order"])
assert_array_equal(
dans_grid1.links2rcvr_target,
dans_grid1.mg.at_node["flow__link_to_receiver_node"],
)
assert_array_equal(dans_grid1.A_target,
dans_grid1.mg.at_node["surface_water__discharge"])
assert_array_equal(dans_grid1.steepest_target,
dans_grid1.mg.at_node["topographic__steepest_slope"])
def test_internal_closed(internal_closed):
"""Test closed nodes in the core of the grid."""
with pytest.deprecated_call():
fr = FlowRouter(internal_closed.mg)
fr.run_one_step()
assert internal_closed.A_target == pytest.approx(
internal_closed.mg.at_node["drainage_area"]
)
assert_array_equal(
internal_closed.frcvr_target, internal_closed.mg.at_node["flow__receiver_node"]
)
assert_array_equal(
internal_closed.links2rcvr_target,
internal_closed.mg.at_node["flow__link_to_receiver_node"],
)
assert internal_closed.A_target == pytest.approx(
internal_closed.mg.at_node["surface_water__discharge"]
)
assert internal_closed.steepest_target == pytest.approx(
internal_closed.mg.at_node["topographic__steepest_slope"]
)
def test_accumulate_D8(dans_grid1):
"""Test accumulation works for D8 in a simple scenario."""
with pytest.deprecated_call():
fr = FlowRouter(dans_grid1.mg)
fr.run_one_step()
assert_array_equal(dans_grid1.A_target, dans_grid1.mg.at_node["drainage_area"])
assert_array_equal(
dans_grid1.frcvr_target, dans_grid1.mg.at_node["flow__receiver_node"]
)
assert_array_equal(
dans_grid1.upids_target, dans_grid1.mg.at_node["flow__upstream_node_order"]
)
assert_array_equal(
dans_grid1.links2rcvr_target,
dans_grid1.mg.at_node["flow__link_to_receiver_node"],
)
assert_array_equal(
dans_grid1.A_target, dans_grid1.mg.at_node["surface_water__discharge"]
)
assert_array_equal(
dans_grid1.steepest_target, dans_grid1.mg.at_node["topographic__steepest_slope"]
)
##Run time loop###########################################################
#Set model timestep
timestep = 1.0 #years
#Set elapsed time to zero
elapsed_time = 0
#Set model run time
run_time = 100000 #years
#Set rock uplift rate
rock_uplift_rate = 1e-4 #m/yr
while elapsed_time < run_time:
#Run the flow router
fr.run_one_step()
#Run the depression finder and router; optional
df.map_depressions()
#Get list of nodes in depressions; only
#used if using DepressionFinderAndRouter
flooded = np.where(df.flood_status == 3)[0]
#Run the SPACE model for one timestep
sp.run_one_step(dt=timestep, flooded_nodes=flooded)
#Move bedrock elevation of core nodes upwards relative to baselevel
#at the rock uplift rate
mg.at_node['bedrock__elevation'][
mg.core_nodes] += rock_uplift_rate * timestep