Note: This addon document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade your GRASS GIS installation, and read the current addon manual page.
NAME
v.gsflow.reaches - Build stream "reaches" that link PRMS segments to MODFLOW cellsKEYWORDS
vector, stream network, hydrology, GSFLOWSYNOPSIS
v.gsflow.reaches
v.gsflow.reaches --helpv.gsflow.reaches segment_input=name grid_input=name elevation=name output=name [s_min=float] [h_stream=float] [upstream_easting_column_seg=string] [upstream_northing_column_seg=string] [downstream_easting_column_seg=string] [downstream_northing_column_seg=string] [tostream_cat_column_seg=string] [strthick=float] [strhc1=float] [thts=float] [thti=float] [eps=float] [uhc=float] [--overwrite] [--help] [--verbose] [--quiet] [--ui]
Flags:
- --overwrite
- Allow output files to overwrite existing files
- --help
- Print usage summary
- --verbose
- Verbose module output
- --quiet
- Quiet module output
- --ui
- Force launching GUI dialog
Parameters:
- segment_input=name [required]
- PRMS stream segments
- Or data source for direct OGR access
- grid_input=name [required]
- MODFLOW grid
- Or data source for direct OGR access
- elevation=name [required]
- DEM for slope along reaches
- Name of input raster map
- output=name [required]
- Reaches for GSFLOW
- Name for output vector map
- s_min=float
- Minimum reach slope
- Default: 0.0001
- h_stream=float
- Stream channel depth (bank height) [m]
- Default: 1
- upstream_easting_column_seg=string
- Upstream easting (or x or lon) column name
- Default: x1
- upstream_northing_column_seg=string
- Upstream northing (or y or lat) column name
- Default: y1
- downstream_easting_column_seg=string
- Downstream easting (or x or lon) column name
- Default: x2
- downstream_northing_column_seg=string
- Downstream northing (or y or lat) column name
- Default: y2
- tostream_cat_column_seg=string
- Adjacent downstream segment cat (0 = offmap)
- Default: tostream
- strthick=float
- Streambed sediment thickness [m]
- Default: 1
- strhc1=float
- Streambed hydraulic conductivity [m/day]
- Default: 5
- thts=float
- theta_sat: Streambed saturated water content (i.e. porosity) [unitless]
- Default: 0.35
- thti=float
- Streambed initial water content [unitless]
- Default: 0.3
- eps=float
- Epsilon: streambed Brooks-Corey exponent [unitless]
- Default: 3.5
- uhc=float
- Streambed unsaturated zone saturated hydraulic conductivity [m/day]
- Default: 0.3
Table of contents
DESCRIPTION
v.gsflow.reaches produces channel "reaches", which are the intersection between PRMS stream segments and MODFLOW grid cells, for the USGS combined groundwater and surface-water model GSFLOW.REFERENCES
Ng, G.-H. C., A. D. Wickert, R. L. McLaughlin, J. La Frenierre, S. Liess, and L. Sabeeri (2016), Modeling the role of groundwater and vegetation in the hydrological response of tropical glaciated watersheds to climate change, in AGU Fall Meeting Abstracts, H13Lâ1590, San Francisco, CA.SEE ALSO
v.gsflow.exportv.gsflow.gravres
v.gsflow.grid
v.gsflow.hruparams
v.gsflow.segments
v.gsflow.mapdata
v.stream.inbasin
v.stream.network
AUTHORS
Andrew D. WickertSOURCE CODE
Available at: v.gsflow.reaches source code (history)
Latest change: Mon Jun 28 07:54:09 2021 in commit: 1cfc0af029a35a5d6c7dae5ca7204d0eb85dbc55
Note: This addon document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade your GRASS GIS installation, and read the current addon manual page.
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© 2003-2023 GRASS Development Team, GRASS GIS 7.8.8dev Reference Manual