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Function: postgisftw.fwa_downstreamtrace
Return stream network downstream of provided location
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Metadata
Parameters
Name
Database Type
Default value
start_blue_line_key
int4
start_measure
float8
tolerance
float8
1
Properties
Name
Type
linear_feature_id
number
edge_type
number
blue_line_key
number
watershed_key
number
wscode
string
localcode
string
watershed_group_code
string
downstream_route_measure
number
upstream_route_measure
number
length_metre
number
waterbody_key
number
gnis_name
string
stream_order
number
stream_magnitude
number
feature_code
string
gradient
number
left_right_tributary
string
stream_order_parent
number
stream_order_max
number
upstream_area_ha
number
map_upstream
number
channel_width
number
channel_width_source
string
mad_m3s
number
geom
geometry