#include <NullTransport.hh>

Inheritance diagram for pism::hydrology::NullTransport:

Public Member Functions
	NullTransport (std::shared_ptr< const Grid > g)

virtual	~NullTransport ()=default

Public Member Functions inherited from pism::hydrology::Hydrology
	Hydrology (std::shared_ptr< const Grid > g)

virtual	~Hydrology ()=default

void	restart (const File &input_file, int record)

void	bootstrap (const File &input_file, const array::Scalar &ice_thickness)

void	init (const array::Scalar &W_till, const array::Scalar &W, const array::Scalar &P)

void	update (double t, double dt, const Inputs &inputs)

const array::Scalar &	till_water_thickness () const
	Return the effective thickness of the water stored in till. More...

const array::Scalar &	subglacial_water_thickness () const
	Return the effective thickness of the transportable basal water layer. More...

const array::Scalar &	overburden_pressure () const

const array::Scalar &	surface_input_rate () const

const array::Vector &	flux () const

const array::Scalar &	mass_change () const

const array::Scalar &	mass_change_at_grounded_margin () const

const array::Scalar &	mass_change_at_grounding_line () const

const array::Scalar &	mass_change_at_domain_boundary () const

const array::Scalar &	mass_change_due_to_conservation_error () const

const array::Scalar &	mass_change_due_to_input () const

const array::Scalar &	mass_change_due_to_lateral_flow () const

Public Member Functions inherited from pism::Component
	Component (std::shared_ptr< const Grid > grid)

virtual	~Component ()=default

DiagnosticList	diagnostics () const

TSDiagnosticList	ts_diagnostics () const

std::shared_ptr< const Grid >	grid () const

const Time &	time () const

const Profiling &	profiling () const

void	define_model_state (const File &output) const
	Define model state variables in an output file. More...

void	write_model_state (const File &output) const
	Write model state variables to an output file. More...

MaxTimestep	max_timestep (double t) const
	Reports the maximum time-step the model can take at time t. More...

Protected Member Functions
virtual void	restart_impl (const File &input_file, int record)

virtual void	bootstrap_impl (const File &input_file, const array::Scalar &ice_thickness)

virtual void	init_impl (const array::Scalar &W_till, const array::Scalar &W, const array::Scalar &P)

virtual MaxTimestep	max_timestep_impl (double t) const

virtual void	update_impl (double t, double dt, const Inputs &inputs)
	Solves an implicit step of a highly-simplified ODE. More...

void	diffuse_till_water (double dt)

Protected Member Functions inherited from pism::hydrology::Hydrology
virtual std::map< std::string, Diagnostic::Ptr >	diagnostics_impl () const

virtual void	define_model_state_impl (const File &output) const
	The default (empty implementation). More...

virtual void	write_model_state_impl (const File &output) const
	The default (empty implementation). More...

void	compute_overburden_pressure (const array::Scalar &ice_thickness, array::Scalar &result) const
	Update the overburden pressure from ice thickness. More...

void	compute_surface_input_rate (const array::CellType &mask, const array::Scalar *surface_input_rate, array::Scalar &result)

void	compute_basal_melt_rate (const array::CellType &mask, const array::Scalar &basal_melt_rate, array::Scalar &result)

void	enforce_bounds (const array::CellType &cell_type, const array::Scalar *no_model_mask, double max_thickness, double ocean_water_thickness, array::Scalar &water_thickness, array::Scalar &grounded_margin_change, array::Scalar &grounding_line_change, array::Scalar &conservation_error_change, array::Scalar &no_model_mask_change)
	Correct the new water thickness based on boundary requirements. More...

Protected Member Functions inherited from pism::Component
virtual TSDiagnosticList	ts_diagnostics_impl () const

void	regrid (const std::string &module_name, array::Array &variable, RegriddingFlag flag=NO_REGRID_WITHOUT_REGRID_VARS)

Private Member Functions
void	initialization_message () const

Private Attributes
bool	m_diffuse_tillwat

double	m_diffusion_time

double	m_diffusion_distance

double	m_tillwat_max

double	m_tillwat_decay_rate

array::Scalar1	m_Wtill_old

Additional Inherited Members
Protected Types inherited from pism::Component
enum	RegriddingFlag { REGRID_WITHOUT_REGRID_VARS , NO_REGRID_WITHOUT_REGRID_VARS }
	This flag determines whether a variable is read from the `-regrid_file` file even if it is not listed among variables in `-regrid_vars`. More...

Protected Attributes inherited from pism::hydrology::Hydrology
array::Vector	m_Q

array::Scalar	m_Wtill
	effective thickness of basal water stored in till More...

array::Scalar1	m_W
	effective thickness of transportable basal water More...

array::Scalar	m_Pover
	overburden pressure More...

array::Scalar	m_surface_input_rate

array::Scalar	m_basal_melt_rate

array::Scalar	m_flow_change_incremental

array::Scalar	m_conservation_error_change

array::Scalar	m_grounded_margin_change

array::Scalar	m_grounding_line_change

array::Scalar	m_input_change

array::Scalar	m_no_model_mask_change

array::Scalar	m_total_change

array::Scalar	m_flow_change

Protected Attributes inherited from pism::Component
const std::shared_ptr< const Grid >	m_grid
	grid used by this component More...

const Config::ConstPtr	m_config
	configuration database used by this component More...

const units::System::Ptr	m_sys
	unit system used by this component More...

const Logger::ConstPtr	m_log
	logger (for easy access) More...

Detailed Description

The PISM minimal model has till, but water that exceeds the capacity of the till is not conserved. There is no model for lateral transport.

This is the minimum functional derived class. It updates till water thickness. It implements a version of the "undrained plastic bed" model of [Tulaczyketal2000b], but with non-conserved drainage.

This model can give no meaningful report on conservation errors.

This talk illustrates a "till-can" metaphor applicable to this model: http://www2.gi.alaska.edu/snowice/glaciers/iceflow/bueler-igs-fairbanks-june2012.pdf

Definition at line 40 of file NullTransport.hh.

The documentation for this class was generated from the following files:

src/hydrology/NullTransport.hh
src/hydrology/NullTransport.cc

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description