This section contains documentation and API reference information for the following components:

Hillslope geomorphology

Soil creep: linear diffusion

Soil creep: nonlinear diffusion

Boundary

Flow routing

Flow direction and accumulation from topography

Lake filling and routing (handling depressions in terrain)

• ChiFinder: Perform chi-index analysis for gridded topography
• impactor: Simulate topography modification through impact cratering
• landlab.components.detachment_ltd_sed_trp package
  • Submodules
  • landlab.components.detachment_ltd_sed_trp.generate_detachment_ltd_transport module
  • Module contents
• LinearDiffuser: Model soil creep using “linear diffusion” transport law (no depth dependence)
• FireGenerator: Generate random sequence of fire events
• Flexure: Calculate elastic lithosphere flexure under given loads (assumes uniform flexural rigidity)
• Functions used to calculate lithospheric deflection
• landlab.components.flow_accum package
  • Submodules
  • landlab.components.flow_accum.flow_accum_bw module
  • landlab.components.flow_accum.flow_accumulation2 module
  • Module contents
• FlowRouter: Calculate flow direction and accumulation from topography
• DepressionFinderAndRouter: Handle depressions in terrain by calculating extent and drainage of “lakes”
• PotentialityFlowRouter: Find flow directions and accumulation using potential-field theory
• fracture_grid: Generate random fracture patterns on a regular raster grid
• gFlex: Compute elastic lithosphere flexure with variable rigidity
• Glacier: Models glacier mass balance and flow using thin ice approximation
• PerronNLDiffuse: Model soil creep using implicit solution to nonlinear diffusion law
• OverlandFlow: Model shallow water flow over topography using the numerical approximation of de Almeida
• OverlandFlowBates: Model shallow water flow over topography using the numerical approximation of Bates
• KinematicWaveRengers: Model kinematic wave flood propagation after Rengers et al (2016)
• PotentialEvapotranspiration: Compute potential evapotranspiration
• landlab.components.potentiality_flowrouting package
  • Submodules
  • landlab.components.potentiality_flowrouting.route_flow_by_boundary module
  • Module contents
• Radiation: Calculate solar radiation on topography given latitude, date, and time
• landlab.components.sed_trp_shallow_flow package
  • Submodules
  • landlab.components.sed_trp_shallow_flow.transport_sed_in_shallow_flow module
  • Module contents
• landlab.components.simple_power_law_incision package
  • Submodules
  • landlab.components.simple_power_law_incision.power_law_fluvial_eroder module
  • landlab.components.simple_power_law_incision.power_law_incision_driver module
  • landlab.components.simple_power_law_incision.power_law_incision_driver_side_outlet module
  • Module contents
• SinkFiller: Permanently fill pits in a topography
• SoilMoisture: Compute the decay of soil moisture saturation at storm-interstorm time period
• SteepnessFinder: Calcuate steepness and concavity indices from gridded topography
• FastscapeEroder: Compute fluvial erosion using stream power theory (“fastscape” algorithm)
• StreamPower: Compute fluvial erosion using stream power theory (also uses “fastscape” algorithm but provides slightly different formulation and options)
• SedDepEroder: Compute fluvial erosion using using “tools and cover” theory
• TransportLimitedEroder: Model stream erosion and deposition using transport-limited approximation
• PrecipitationDistribution: Generate random sequence of precipitation events

Submodules

landlab.components.diff_2d module

landlab.components.sample module

Module contents