Appendix D

List of Topog Data Files

This is a list of all filename extensions imposed and/or assumed by various TOPOG programs. They are lumped under three headings:

Where the term 'other' is used, this means that the file is manually built.


Extension Content Source Used by
Terrain analysis procedures
.xyz raw xyz data points other _splin2h
_demgen
_display
.cns raw contour data other _splin2h
_demgen
_display
.spl parameter file for _splin2h other
_demgen		 _splin2h
_demgen
.gcn parameter file for _grdcon other
_demgen		 _grdcon
_demgen
.grd regular grid of elevations _splin2h
_demgen		 _grdcon
_demgen
.tcn DEM contours _grdcon
_demgen		 _demgen
_element
_display
.snk sink diagnostics _splin2h .
.hpt high point data other
_mkbdy		 _element
_display
.sad saddle data other
_mkbdy		 _element
_display
.stl valley head data other
_mkbdy		 _element
.vrt bounday vertices data other
_mkbdy		 _element
.iws internal watershed data other
_mkbdy		 _element
.ref reference point data other _display
.atr element attributes, including:
  • slope (m/m)
  • aspect (degrees clockwise from north)
  • area (m2)
  • potential solar radiation at equinox (MJ/m2/d)
  • potential solar radiation at summer solstice (MJ/m2/d)
  • potential solar radiation at winter solstice (MJ/m2/d)
_element _simul
_param
_dynamic
_display
_xhistog
.elm element outlines _element _simul
_dynamic
_display
.cct element connections _element _simul
_dynamic
_redflow
.scct valley element connections _element _simul
_dynamic
.sys data bounds _element _simul
_demgen
_dynamic
_display
.stline valley axis lines _element _simul
_dynamic
_display
.rdline ridge lines _element _simul
_dynamic
_display
.sbd catchment boundary _element _simul
_display
.scn TOPOG contours (clipped version of .tcn file) _element _simul
_display
.stj flow trajectories _element _simul
_display
_trajectory
_flowtube
.trj trajectory lengths _trajectory _xhistog
.red flow redirection data _redflow _simul
.ctb colour table and classes data other _display
.lns line sources/sinks data other _simul
_dynamic
.uca upslope contributing area (m2) _param _display
_xhistog
.sca specific catchment area (m2/m) _param _display
_xhistog
.scs specific catchment/slope (m) _param _display
_xhistog
.ssc slope/specific catchment (1/m) _param _display
_xhistog
.lnsc ln(specific catchment) _param _display
_xhistog
.lnscs ln(specific catchment/slope) _param _display
_xhistog
.ci convergence index _param _display
_xhistog
.hsl hillslope length (m) _param _display
_xhistog
.param all attributes calculated by _param _param _display
_xhistog
.flw flow tube length _flowtube _xhistog
Steady state water balance modelling
.ssd steady state wetness index _simul _display
_xhistog
.rwd steady state radiation weighted wetness index _simul _display
_xhistog
.usp steady state stream power index, assuming hortonian runoff _simul _display
_xhistog
.vsp steady state stream power index, assuming saturation excess runoff _simul _display
_xhistog
.ehi steady state erosion hazard index _simul _display
_xhistog
.hss steady state shear stress index, assuming hortonian runoff _simul _display
_xhistog
.lhi steady state landslide hazard index _simul _display
_xhistog
.qvals distributed net drainage flux data _overlay _simul
.tvals distributed soil transmissivity data _overlay _simul
.cvals distributed surface cover data _overlay _simul
Dynamic water, carbon, solute and sediment balance modelling
.ppt raw climate data other _climate
.climate complete climate data other
_climate		 _dynamic
_chart
.clivals distributed climate information other
 _dynamic
.roceff radiation coefficients _roceff _dynamic
.soil soil table _soil _dynamic
.nodes soil profile information, including
  • node depth
  • soil type
  • initial soil water solute concentration
other _dynamic
.rootc initial root carbon values other _dynamic
.veg vegetation data other _dynamic
.laivals distributed lai values _overlay _dynamic
.nodevals distributed soil profile data _overlay _dynamic
.vegtypes distributed vegetation type data _overlay _dynamic
.nvals distributed Manning's n values _overlay _dynamic
.par parameter file to run _dynamic _simgen _dynamic
.log log of a _dynamic model run _dynamic .
.fin map of catchment soil moisture state at the end of a _dynamic run _dynamic _dynamic
.pprf profile of the following attributes for each element for a specified timestep:
  • soil moisture content (cm3/cm3)
  • soil water potential (m)
  • soil salt content (kg/m2)
  • root carbon (kg/m2)
_dynamic _profile
.sbal map of the following attributes for each element for a specified timestep:
  • total evapotranspiration (mm)
  • recharge to groundwater (mm)
  • soil moisture storage (mm)
  • soil salt storage (kg/m2)
  • water table depth (m)
_dynamic _display
_xhistog
.sevt map of the following attributes for each element for a specified timestep:
  • overstorey transpiration (mm)
  • understorey transpiration (mm)
  • total transpiration (mm)
  • overstorey interception (mm)
  • understorey interception (mm)
  • litter interception (mm)
  • total interception (mm)
  • soil/litter evaporation (mm)
  • overstorey evapotranspiration (mm)
  • understorey evapotranspiration (mm)
  • total evapotranspiration (mm)
_dynamic _display
_xhistog
.sstm map of the following attributes for each element for a specified timestep:
  • overland flow height (mm)
  • overland flow velocity (m/s)
  • sediment export (kg/m2)
  • net sediment flux (+/- kg/m2)
_dynamic _display
_xhistog
.scar map of the following attributes for each element for a specified timestep:
  • overstorey leaf area index (m/m)
  • understorey leaf area index (m/m)
  • litter leaf area index (m/m)
  • total leaf area index (m/m)
  • overstorey leaf carbon (kg/m2)
  • understorey leaf carbon (kg/m2)
  • litter leaf carbon (kg/m2)
  • total leaf carbon (kg/m2)
  • overstorey stem carbon (kg/m2)
  • understorey stem carbon (kg/m2)
  • total stem carbon (kg/m2)
  • overstorey root carbon (kg/m2)
  • understorey root carbon (kg/m2)
  • total root carbon (kg/m2)
_dynamic _display
_xhistog
.tbal time series of the following attributes for a single element (or catchment average/total):
  • gross rainfall (mm)
  • net rainfall (mm)
  • overstorey interception (mm)
  • understorey interception (mm)
  • litter interception (mm)
  • total interception (mm)
  • overstorey transpiration (mm)
  • understorey transpiration (mm)
  • total transpiration (mm)
  • soil/litter evaporation (mm)
  • total evapotranspiration (mm)
  • subsurface flow (mm)
  • overland flow (mm)
  • total flow (mm)
  • soil moisture storage (mm)
  • soil salt storage (kg/m2)
  • watertable depth (m)
  • percent saturated area (%)
  • overstorey leaf area index (m/m)
  • understorey leaf area index (m/m)
  • litter leaf area index (m/m)
  • total leaf area index (m/m)
_dynamic _chart
_xhistog
.tstm time series of the following attributes for a single element (or catchment average/total):
  • net rainfall (mm)
  • watertable depth (m)
  • percent saturated area (%)
  • soil moisture storage (mm)
  • overland flow height (mm)
  • overland flow velocity (m/s)
  • sediment export (kg/m2)
  • net sediment flux (+/- kg/m2)
_dynamic _chart
_xhistog
.tvmc time series of volumetric soil moisture content for every node in a specific catchment element (cm3/cm3) _dynamic _chart
_xhistog
.tpsi time series of soil water potential for every node in a specific catchment element (m) _dynamic _chart
_xhistog
.tsat time series of percent saturation for every node in a specific catchment element (0-1) _dynamic _chart
_xhistog
.tsol time series of soil salt content content for every node in a specific catchment element (kg/m2) _dynamic _chart
_xhistog
.troc time series of root carbon content for every node in a specific catchment element (kg/m2) _dynamic _chart
_xhistog
.tirm time series of the following parameter values in the plant growth equation for a specific catchment element:
  • overstorey soil water availability (0-1)
  • overstorey light availability (0-1)
  • overstorey temperature favourability (0-1)
  • overstorey growth rate (0-1)
  • overstorey carbon assimilation rate (kg/m2)
  • understorey soil water availability (0-1)
  • understorey light availability (0-1)
  • understorey temperature favourability (0-1)
  • understorey growth rate (0-1)
  • understorey carbon assimilation rate (kg/m2)
_dynamic _chart
_xhistog
.tcan time series of the following canopy values for a specific catchment element:
  • overstorey radiation (KJ/m2/d)
  • understorey radiation (KJ/m2/d)
  • soil/litter layer radiation (KJ/m2/d)
  • overstorey VPD (mbars)
  • understorey VPD (mbars)
  • soil/litter layer VPD (mbars)
  • overstorey canopy conductance (m/s)
  • understorey canopy conductance (m/s)
  • soil/litter layer conductance (m/s)
_dynamic _chart
_xhistog
.tcar time series of the following carbon balance values for a specific catchment element:
  • overstorey leaf carbon (kg/m2)
  • overstorey stem carbon (kg/m2)
  • overstorey root carbon (kg/m2)
  • understorey leaf carbon (kg/m2)
  • understorey stem carbon (kg/m2)
  • understorey root carbon (kg/m2)
  • litter pool (kg/m2)
_dynamic _chart
_xhistog

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last modified 20 June 1997