tracer_processes Module Reference

Functions/Subroutines
subroutine, public	add_tracer_point_source_to_river (i, itype, qin, cin)
subroutine, public	add_tracer_point_source_to_lake (i, itype, qin, cin)
subroutine, public	soil_tracer_processes (i, j, ct, thickness, soilstate, miscstate, infilt, T1release)
subroutine, public	tracer_processes_in_river (i, itype, riverarea, depth, transq, qbank, riverstate)
subroutine, public	tracer_processes_in_lake (i, itype, lakearea, pooladd_t1, lakestate)
subroutine	decay_of_tracer (timesteps, vol, conc)
subroutine	decay_of_tracer_sorbedphase (timesteps, pool)
subroutine	sorption_of_tracer (vol, conc, sorbed, layerthick)
subroutine	sedimentation_resuspension_of_tracer (i, watertype, area, sedexppar, riverstate, riverq, qbank, depth)
subroutine	t1_crop_sources (i, j, yearno, partT1sf)
subroutine	t1_incorporation (i, j, jday, soillayers, soilstate, miscstate)
subroutine	release_from_source (sourceT1, qmm, releaseT1, relpar)
subroutine, public	set_soil_t2_from_soiltemp_model (i, j, surfflow1, surfflow2, csurfflow2, cweights, crunoff1, crunoff2, crunoff3, csrunoff, crunoffd, soilstate)
subroutine, public	craig_gordon_18o (watertype, temp, relh, crain, csource, cevap)
subroutine, public	craig_gordon_2h (watertype, temp, relh, crain, csource, cevap)

Detailed Description

General substance (T1) and water temperature (T2) processes in HYPE.

Function/Subroutine Documentation

add_tracer_point_source_to_lake()

subroutine, public tracer_processes::add_tracer_point_source_to_lake	(	integer, intent(in)	i,
		integer, intent(in)	itype,
		real, intent(inout)	qin,
		real, dimension(numsubstances), intent(inout)	cin
	)

Add T1-T2 load from point sources to lake inflow.

Reference ModelDescription Chapter Water management (Point sources - Tracer T1 point sources)

Parameters

[in]	i	index of subbasin
[in]	itype	type of lake
[in,out]	qin	flow into lake (m3/s)
[in,out]	cin	concentration of flow into lake (-)

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add_tracer_point_source_to_river()

subroutine, public tracer_processes::add_tracer_point_source_to_river	(	integer, intent(in)	i,
		integer, intent(in)	itype,
		real, intent(inout)	qin,
		real, dimension(numsubstances), intent(inout)	cin
	)

Add T1-T2 load from point sources to river inflow.

Reference ModelDescription Chapter Water management (Point sources - Tracer T1 point sources)

Parameters

[in]	i	index of subbasin
[in]	itype	type of river
[in,out]	qin	flow into river (m3/s)
[in,out]	cin	concentration of flow into river (-)

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craig_gordon_18o()

subroutine, public tracer_processes::craig_gordon_18o	(	integer, intent(in)	watertype,
		real, intent(in)	temp,
		real, intent(in)	relh,
		real, intent(in)	crain,
		real, intent(in)	csource,
		real, intent(out)	cevap
	)

Calculate isotope 18O fractionation of evaporation part of ET by a method from Craig and Gordon (...) that was implemented by Tricia Stadnyk and Tegan Holmes in isoWATFLOOD. Units are in delta permil.

Parameters

[in]	watertype	1=soil water,2=river,3=lake,4=wetland (?) isoWATFLOOD definitions, maybe we can set by slc, or specialclassmodel, different for ilkae/olake?
[in]	temp	air temperature (degree Celcius)
[in]	relh	relative humuidity
[in]	crain	isotop of rain (delta permil) !I use cpT1, should be of rain and is double precision in isoWATFLOOD
[in]	csource	isotop of evaporating water source (delta permil) (dell in isoWATFLOOD)
[out]	cevap	isotop of evaporation (delta permil) (dele in isoWATFLOOD)

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craig_gordon_2h()

subroutine, public tracer_processes::craig_gordon_2h	(	integer, intent(in)	watertype,
		real, intent(in)	temp,
		real, intent(in)	relh,
		real, intent(in)	crain,
		real, intent(in)	csource,
		real, intent(out)	cevap
	)

Calculate isotope 18O fractionation of evaporation part of ET by a method from Craig and Gordon (...) that was implemented by Tricia Stadnyk and Tegan Holmes in isoWATFLOOD. Units are in delta permil.

Parameters

[in]	watertype	1=soil water,2=river,3=lake,4=wetland (?) isoWATFLOOD definitions, maybe we can set by slc, or specialclassmodel, different for ilkae/olake?
[in]	temp	air temperature (degree Celcius)
[in]	relh	relative humuidity
[in]	crain	isotop of rain (delta permil) !I use cpT3, should be of rain and is double precision in isoWATFLOOD
[in]	csource	isotop of evaporating water source (delta permil) (dell in isoWATFLOOD)
[out]	cevap	isotop of evaporation (delta permil) (dele in isoWATFLOOD)

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decay_of_tracer()

subroutine tracer_processes::decay_of_tracer	(	integer, intent(in)	timesteps,
		real, intent(in)	vol,
		real, dimension(numsubstances), intent(inout)	conc
	)

Decay processes of tracer T1.

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Processes)

Parameters

[in]	timesteps	number of timesteps
[in]	vol	volume of water
[in,out]	conc	concentration of water (-)

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decay_of_tracer_sorbedphase()

subroutine tracer_processes::decay_of_tracer_sorbedphase	(	integer, intent(in)	timesteps,
		real, intent(inout)	pool
	)

Decay of tracer in sorbed phase.

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Processes)

Parameters

[in]	timesteps	number of timesteps
[in,out]	pool	amount of T1

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release_from_source()

subroutine tracer_processes::release_from_source	(	real, intent(inout)	sourceT1,
		real, intent(in)	qmm,
		real, intent(out)	releaseT1,
		real, intent(in)	relpar
	)

Release sorbed T1 to dissolved T1 on ground due to rain/snowmelt or surface runoff.

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Processes)

Parameters

[in,out]	sourcet1	pool of tracer
[in]	qmm	water in mm in precipitation or surface runoff
[out]	releaset1	release of tracer from source
[in]	relpar	release parameter

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sedimentation_resuspension_of_tracer()

subroutine tracer_processes::sedimentation_resuspension_of_tracer	(	integer, intent(in)	i,
		integer, intent(in)	watertype,
		real, intent(in)	area,
		real, intent(in)	sedexppar,
		type(riverstatetype), intent(inout)	riverstate,
		real, intent(in)	riverq,
		real, intent(in)	qbank,
		real, intent(in)	depth
	)

Sedimentation and resuspension of tracer in river flow.

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Processes)

Parameters

[in]	i	index of current subbasin
[in]	watertype	river type (1=local, 2=main)
[in]	area	river surface area (m2)
[in]	sedexppar	sedimentation/resuspension parameter
[in,out]	riverstate	River states
[in]	riverq	river discharge
[in]	qbank	Q bank full
[in]	depth	river depth (m)

Select current model for river resuspension/sedimentation

For model 0:

Calculate sedimentation and resuspension factor (per day)

For model 2: Simplified Bagnold Equation

Calculate river peak velocity across channel

Calculate amount of tracer to transfer

Transfer SS between sediment and water pools

Update state variables

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set_soil_t2_from_soiltemp_model()

subroutine, public tracer_processes::set_soil_t2_from_soiltemp_model	(	integer, intent(in)	i,
		integer, intent(in)	j,
		real, intent(in)	surfflow1,
		real, intent(in)	surfflow2,
		real, dimension(numsubstances), intent(in)	csurfflow2,
		real, dimension(maxsoillayers), intent(in)	cweights,
		real, dimension(numsubstances), intent(inout)	crunoff1,
		real, dimension(numsubstances), intent(inout)	crunoff2,
		real, dimension(numsubstances), intent(inout)	crunoff3,
		real, dimension(numsubstances), intent(inout)	csrunoff,
		real, dimension(numsubstances), intent(inout)	crunoffd,
		type(soilstatetype), intent(inout)	soilstate
	)

T2 soil and runoff temperatures are determined by calculated soil temperature.

Parameters

[in]	i	current subbasin
[in]	j	current class
[in]	surfflow1	runoff saturaed overland flow
[in]	surfflow2	runoff excess infiltration
[in]	csurfflow2	concentration of runoff excess infiltration
[in]	cweights	soillayer with tile drainage
[in,out]	crunoff1	concentration of runoff
[in,out]	crunoff2	concentration of runoff
[in,out]	crunoff3	concentration of runoff
[in,out]	csrunoff	concentration of runoff
[in,out]	crunoffd	concentration of runoff
[in,out]	soilstate	soil states

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soil_tracer_processes()

subroutine, public tracer_processes::soil_tracer_processes	(	integer, intent(in)	i,
		integer, intent(in)	j,
		type(timeinformationtype), intent(in)	ct,
		real, dimension(maxsoillayers), intent(in)	thickness,
		type(soilstatetype), intent(inout)	soilstate,
		type(miscstatetype), intent(inout)	miscstate,
		real, intent(in)	infilt,
		real, intent(out)	T1release
	)

Calculate tracer processes in soil.

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Processes)

Parameters

[in]	i	index of subbasin
[in]	j	index of class
[in]	ct	current time
[in]	thickness	thickness of soil layers
[in,out]	soilstate	Soil states
[in,out]	miscstate	Miscellaneous states
[in]	infilt	infiltration (snowmelt and precip)
[out]	t1release	release of T1 from surface sources

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sorption_of_tracer()

subroutine tracer_processes::sorption_of_tracer	(	real, intent(in)	vol,
		real, dimension(numsubstances), intent(inout)	conc,
		real, intent(inout)	sorbed,
		real, intent(in)	layerthick
	)

Adsorption of traced to soil particles.

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Processes)

Parameters

[in]	vol	volume of water (mm)
[in,out]	conc	concentration in water (-)
[in,out]	sorbed	T1 sorbed phase
[in]	layerthick	thickness of soil layer (m)

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t1_crop_sources()

subroutine tracer_processes::t1_crop_sources	(	integer, intent(in)	i,
		integer, intent(in)	j,
		integer, intent(in)	yearno,
		real, intent(inout)	partT1sf
	)

Add T1 from manure application to above-soil pool of sorbed T1.

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Sources)

Parameters

[in]	i	subbasin
[in]	j	class
[in]	yearno	year

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t1_incorporation()

subroutine tracer_processes::t1_incorporation	(	integer, intent(in)	i,
		integer, intent(in)	j,
		integer, intent(in)	jday,
		integer, intent(in)	soillayers,
		type(soilstatetype), intent(inout)	soilstate,
		type(miscstatetype), intent(inout)	miscstate
	)

Move sorbed T1 from above-soil pool to soil pool (tilling)

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Sources)

Parameters

[in]	i	subbasin
[in]	j	class
[in]	jday	day number of the year
[in]	soillayers	number of soil layers T1 will be added to
[in,out]	soilstate	soil states
[in,out]	miscstate	miscellaneous states

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tracer_processes_in_lake()

subroutine, public tracer_processes::tracer_processes_in_lake	(	integer, intent(in)	i,
		integer, intent(in)	itype,
		real, intent(in)	lakearea,
		real, intent(out)	pooladd_t1,
		type(lakestatetype), intent(inout)	lakestate
	)

Lake processes of tracer T1.

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Processes)

Parameters

[in]	i	index of subbasin
[in]	itype	index of lake type (ilake = 1, olake = 2)
[in]	lakearea	lake area (m2)
[out]	pooladd_t1	T1 added to lake sediment
[in,out]	lakestate	Lake state

Add sedimentation to the sediment pool

Calculate the new concentration in the water due to the change in the water pool

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tracer_processes_in_river()

subroutine, public tracer_processes::tracer_processes_in_river	(	integer, intent(in)	i,
		integer, intent(in)	itype,
		real, intent(in)	riverarea,
		real, intent(in)	depth,
		real, intent(in)	transq,
		real, intent(in)	qbank,
		type(riverstatetype), intent(inout)	riverstate
	)

River processes of tracer T1.

Reference ModelDescription Chapter Tracer simulation (General tracer (T1) - Processes)

Parameters

[in]	i	index of subbasin
[in]	itype	index of river type (local = 1, main = 2)
[in]	riverarea	river area
[in]	depth	river depth (m)
[in]	transq	flow out of translation box chain (m3/s)
[in]	qbank	bank full river flow
[in,out]	riverstate	River states

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