general_water_concentration Module Reference

Functions/Subroutines
subroutine, public	retention_pool (n, pool, sink)
subroutine, public	production_pool (n, pool, source)
subroutine, public	new_concentration (pool, vol, conc)
subroutine, public	remove_water_of_set_concentration (vol, n, conc, q, cq, err)
subroutine, public	remove_water (vol, q, err)
subroutine, public	error_remove_water (rstring, subid, i, j)
subroutine, public	add_water (n, vol, conc, q, cq)
subroutine, public	add_source_to_water (vol, n, conc, source)
subroutine, public	inflow_lowest_soillayer (n, nl, sl, cin, qin, maxwc, soil, csoil, upwardflow, addedflow)
subroutine, public	calculate_water_fractions (m, lastpart, water1, water2, wqueue, totvol, fractionw1, fractionw2, fractionqueue, fractionlast)

Variables
real, parameter	realzero = 1.E-37

Detailed Description

Routines handling water and concentration in HYPE.

Function/Subroutine Documentation

add_source_to_water()

subroutine, public general_water_concentration::add_source_to_water	(	real, intent(in)	vol,
		integer, intent(in)	n,
		real, dimension(n), intent(inout)	conc,
		real, dimension(n), intent(in)	source )

Subroutine add an amount of substance to a water body and recalculate the concentration.

Parameters

[in]	vol	water body
[in]	n	numsubstance = size of conc-array
[in,out]	conc	conc of water body
[in]	source	amount to be added

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add_water()

subroutine, public general_water_concentration::add_water	(	integer, intent(in)	n,
		real, intent(inout)	vol,
		real, dimension(n), intent(inout)	conc,
		real, intent(in)	q,
		real, dimension(n), intent(in)	cq )

Subroutine add a flow/volume (with concentration) to a water body (with concentration).

Parameters

[in]	n	numsubstance = size of conc-array
[in,out]	vol	water body
[in,out]	conc	conc of water body
[in]	q	water to be added
[in]	cq	conc of water to be added

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calculate_water_fractions()

subroutine, public general_water_concentration::calculate_water_fractions	(	integer, intent(in)	m,
		real, intent(in)	lastpart,
		real, intent(in)	water1,
		real, intent(in)	water2,
		real, dimension(m+1), intent(in)	wqueue,
		real, intent(out)	totvol,
		real, intent(out)	fractionw1,
		real, intent(out)	fractionw2,
		real, dimension(m), intent(out)	fractionqueue,
		real, intent(out)	fractionlast )

Calculate volume fractions of water compartments (used for rivers).

Parameters

[in]	m	dimension (length of river queue)
[in]	lastpart	fraction of last queued compartment (m+1) that is active
[in]	water1	primary water compartment (m3)
[in]	water2	secondary water compartment (m3)
[in]	wqueue	queued water compartments (m3)
[out]	totvol	total volume in river (m3)
[out]	fractionw1	primary water compartment's fraction of total volume
[out]	fractionw2	secondary water compartment's fraction of total volume
[out]	fractionqueue	queued water compartments' fractions of total volume
[out]	fractionlast	for the last queued water compartment, the fraction is based on whole volume

Algorithm
Initialization

Calculate total volume as a baseline for checking fractions of water in different compartment

Calculate which water compartments that is positive and thus included in the total volume

Calculate fractions of water compartments

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error_remove_water()

subroutine, public general_water_concentration::error_remove_water	(	character(len=*), intent(in)	rstring,
		integer, intent(in)	subid,
		integer, intent(in)	i,
		integer, intent(in)	j )

Handle error in remove_water subroutine.

Parameters

[in]	rstring	error location in code
[in]	subid	current subid
[in]	i	current subbasin
[in]	j	current class or current laketype

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inflow_lowest_soillayer()

subroutine, public general_water_concentration::inflow_lowest_soillayer	(	integer, intent(in)	n,
		integer, intent(in)	nl,
		integer, intent(in)	sl,
		real, dimension(n), intent(in)	cin,
		real, intent(in)	qin,
		real, dimension(nl), intent(in)	maxwc,
		real, dimension(nl), intent(inout)	soil,
		real, dimension(n,nl), intent(inout)	csoil,
		real, dimension(nl-1), intent(out)	upwardflow,
		real, dimension(nl), intent(out)	addedflow )

Subroutine for adding inflow to lowest soillayer including substances. May result in flow upward through layers.

Parameters

[in]	n	number of substances
[in]	nl	maximum number of soil layers
[in]	sl	Lowest soil layer
[in]	cin	concentration of inflow
[in]	qin	inflow (mm)
[in]	maxwc	maximum soil moisture (mm)
[in,out]	soil	soil moisture (mm)
[in,out]	csoil	concentration of soil
[out]	upwardflow	Upwelling due to overflowing lower soil layers (mm/timestep)
[out]	addedflow	Added flow (mm/timestep)

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new_concentration()

subroutine, public general_water_concentration::new_concentration	(	real, intent(in)	pool,
		real, intent(in)	vol,
		real, intent(inout)	conc )

Calculates concentration based on water volume and amount of one substance.

Parameters

[in]	pool	amount (eg. kg/km2)
[in]	vol	volume (eg. mm)
[in,out]	conc	concentation (eg. mg/L)

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production_pool()

subroutine, public general_water_concentration::production_pool	(	integer, intent(in)	n,
		real, dimension(n), intent(inout)	pool,
		real, dimension(n), intent(in)	source )

Add an amount of substances to a pool. If source is negative it is removed (without checking pool size!).

Parameters

[in]	n	number of soillayers = size of pool-array
[in,out]	pool	soil pool array
[in]	source	amount to be added

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remove_water()

subroutine, public general_water_concentration::remove_water	(	real, intent(inout)	vol,
		real, intent(in)	q,
		integer, intent(out)	err )

Subroutine remove a water amount from a water body with the same concentration.

Parameters

[in,out]	vol	water body
[in]	q	water to be removed
[out]	err	error code

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remove_water_of_set_concentration()

subroutine, public general_water_concentration::remove_water_of_set_concentration	(	real, intent(inout)	vol,
		integer, intent(in)	n,
		real, dimension(n), intent(inout)	conc,
		real, intent(in)	q,
		real, dimension(n), intent(in)	cq,
		integer, intent(out)	err )

Subroutine remove a flow (with substances) from a water body (with concentration).

Parameters

[in,out]	vol	water body
[in]	n	numsubstance = size of conc-array
[in,out]	conc	concentration of water body
[in]	q	water to be removed
[in]	cq	concentration of water to be removed
[out]	err	error code

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retention_pool()

subroutine, public general_water_concentration::retention_pool	(	integer, intent(in)	n,
		real, dimension(n), intent(inout)	pool,
		real, dimension(n), intent(inout)	sink )

Removes an amount of substances from a pool. If the sink is larger than the pool it removes all of the pool and changes the sink to what was actually removed. If sink is negativ it is added.

Parameters

[in]	n	number of soillayers = size of pool-array
[in,out]	pool	soil pool array
[in,out]	sink	amount to be removed

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Variable Documentation

realzero

real, parameter general_water_concentration::realzero = 1.E-37

private

Value of zero in real.