src Directory Reference

Files
file	allocateCarbon.f90
	Performs allocation of carbon gained by photosynthesis into plant structural pools.
file	applyAllometry.f90
	Applies allometric relationships to converts biomass to structural attributes.
file	atmosphericVarsCalc.f90
	Evaluates atmospheric variables and rainfall/snowfall rates over modelled area.
file	autotrophicRespiration.f90
	Autotrophic respiration. Leaf respiration is calculated in phtsyn subroutine, while stem and root maintenance respiration are calculated here.
file	balanceCarbon.f90
	Checks carbon pools for conservation.
file	calcLandSurfParams.f90
	Calculates various land surface parameters.
file	canopyAlbedoTransmiss.f90
	Calculates vegetation albedos, transmissivities and stomatal resistances.
file	canopyInterception.f90
	Calculates canopy interception of rainfall and snowfall, and determines rainfall/snowfall rates at ground surface as a result of throughfall and unloading.
file	canopyPhaseChange.f90
	Checks for freezing or thawing of liquid or frozen water on the vegetation canopy, and adjust canopy temperature and intercepted water stores accordingly.
file	canopyWaterUpdate.f90
	Updates liquid and frozen water stores on canopy and in soil in response to calculated sublimation, evaporation and transpiration rates.
file	checkWaterBudget.f90
	Checks for closure of surface water budget, and for unphysical values of certain variables.
file	classGatherScatter.f90
	Transfers information between the 'gathered' and 'scattered' form of the CLASS data arrays.
file	classGrowthIndex.f90
	Evaluates growth index used in calculating vegetation parameters for forests.
file	CLASSIC.F90
	Principle driver program to run CLASSIC in stand-alone mode using specified boundary conditions and atmospheric forcing. Depending upon the compiler options chosen, this program will either run in MPI mode for use on parallel computing environments or in serial mode for use in running at single sites.
file	classicParams.f90
	Contains CLASSIC globally accessible parameters.
file	classStateVars.f90
	Contains the physics variable type structures.
file	competitionMod.f90
	Performs competition between PFTs for space.
file	ctemDriver.f90
	Principle driver for CTEM.
file	ctemGatherScatter.f90
	Transfers information between the 'gathered' and 'scattered' form of the CTEM data arrays.
file	ctemStateVars.f90
	Contains the biogeochemistry-related variable type structures.
file	ctemUtilities.f90
	Central module for CTEM (biogeochemical)-related utilities.
file	DIASURFZ.f90
	Calculate the diagnostic values of U, V, T, Q near the surface (ZU and ZT)
file	disturb.f90
	Calculates disturbance as both natural and human-influenced fires.
file	DRCOEF.f90
	Calculates drag coefficients and related variables This work has been described in [1].
file	energBalNoVegSolve.f90
	Solves surface energy balance for non-vegetated subareas.
file	energBalVegSolve.f90
	Solves surface energy balance for vegetated subareas.
file	energyBudgetDriver.f90
	Calls subroutines to perform surface energy budget calculations.
file	energyBudgetPrep.f90
	Initializes subarea variables and calculate various parameters for surface energy budget calculations.
file	energyWaterBalanceCheck.f90
	Checks for energy and water balance closure over modelled area.
file	errorHandler.f90
	Prints the name of the subroutine and an error code when an error condition is encountered.
file	fileIOModule.F90
	The File IO Module contains wrappers for accessing netCDF files. It uses precompile directives to determine if a compilation should be serial, using netCDF or parallel, using MPI/PnetCDF.
file	FLXSURFZ.f90
	Calculates surface layer transfer coefficients and fluxes FLXSURFZ is a variant of FLXSURF3 that permits to input wind and temperature (humidity) at different levels.
file	fourBandAlbedo.f90
	Driver for four band albedo scheme.
file	generalUtils.f90
	Central module for all general utilities.
file	groundAlbedo.f90
	Calculates visible and near-IR ground albedos.
file	heterotrophicRespirationMod.f90
	Central module for all heterotrophic respiration-related operations.
file	iceSheetBalance.f90
	>Performs temperature stepping and surface runoff calculations over ice sheets.
file	landuseChangeMod.f90
	Central module for all land use change operations.
file	main.f90
	Main model driver for CLASSIC in stand-alone mode using specified boundary conditions and atmospheric forcing.
file	methaneProcesses.f90
	Methane subroutines for wetland areal determination and methane emission and upland (oxic) soils methane uptake.
file	metModule.f90
	Performs disaggregation of input meteorological forcing arrays to the model physics timestep.
file	modelStateDrivers.f90
	Central driver to read in, and write out all model state variables (replacing INI and CTM files) as well as the model inputs such as MET, population density, land use change, CO2 etc.
file	mortality.f90
	Calculates the litter generated from leaves, stem, and root components after vegetation dies due to reduced growth efficiency or due to aging (the intrinsic mortality). Also updates the vegetation pools for changes due to the mortality calculations.
file	mvidx.f90
	Utility to determine location of closest value in an array.
file	outputManager.f90
	Central module for all netCDF output file operations.
file	peatlandsMod.f90
	Peatland specific parameterizations (photosynthesis and heterotrophic respiration)
file	phenolgy.f90
	Calculates the leaf status for CTEM's pfts and leaf litter generated by normal turnover of leaves and cold and drought stress; crop harvest; and for grasses green leaves are converted into brown.
file	photosynCanopyConduct.f90
	Net Photosynthesis and canopy conductance.
file	pondedWaterFreeze.f90
	Addresses freezing of water ponded on ground surface.
file	prepareOutputs.f90
	Central module that handles all preparation and writing to output files.
file	radiationDriver.f90
	Organizes calculation of radiation-related and other surface parameters.
file	readFromJobOptions.f90
	Parses command line arguments to program and reads in joboptions file.
file	screenRelativeHumidity.f90
	Calculates screen relative humidity based on input screen temperature, screen specific humidity and surface pressure.
file	SLDIAG.f90
	Calculates near surface output variables.
file	SNOW_ALBVAL.f90
	Computes the direct and diffuse snow albedo using lookup table and current snow conditions.
file	SNOW_TRANVAL.f90
	Computes the direct and diffuse snow transmission using lookup table and current snow conditions.
file	snowAddNew.f90
	Adds snow incident on the ground surface to the snow pack.
file	snowAging.f90
	Calculate decrease in snow albedo and increase in density due to aging.
file	snowAlbedoTransmiss.f90
	Diagnoses snowpack visible and near-IR albedos given the all-wave albedo at the current time step. Calculates snowpack transmissivity for shortwave radiation.
file	snowHeatCond.f90
	Calculate coefficients for solution of snow pack heat conduction.
file	snowInfiltrateRipen.f90
	Addresses infiltration of rain and meltwater into snow pack, and snow ripening.
file	snowMelt.f90
	Addresses melting of the snow pack.
file	snowSublimation.f90
	Sublimation calculations for the snow pack on the ground.
file	snowTempUpdate.f90
	Snow temperature calculations and cleanup after surface energy budget calculations.
file	soilCProcesses.f90
	Central module for all soil C processes involving movement of soil C up or down in soil column.
file	soilHeatFluxCleanup.f90
	Soil heat flux calculations and cleanup after surface energy budget calculations.
file	soilHeatFluxPrep.f90
	Calculate coefficients for solution of heat conduction into soil.
file	soilProperties.f90
	Assigns thermal and hydraulic properties to soil layers based on sand/clay content, or soil type. Also calculates permeable thickness of soil layers, and wet and dry surface albedo for mineral soils.
file	soilWaterPhaseChg.f90
	Check for freezing or thawing of liquid or frozen water in the soil layers, and adjust layer temperatures and water stores accordingly.
file	tracer.f90
	Module containing all relevant subroutines for the model tracer.
file	turnover.f90
	Calculates the litter generated from stem and root turnover Also updates the vegetation pools for changes due to the turnover calculations.
file	waterBaseflow.f90
	Recalculates liquid water content of soil layers after infiltration, and evaluates baseflow.
file	waterBudgetDriver.f90
	Calls subroutines to perform surface water budget calculations.
file	waterCalcPrep.f90
	Initializes subarea variables for surface water budget calculations, and performs preliminary calculations for diagnostic variables.
file	waterFlowInfiltrate.f90
	Quantifies movement of liquid water between soil layers under conditions of infiltration.
file	waterFlowNonInfiltrate.f90
	Quantifies movement of liquid water between soil layers under non-infiltrating conditions, in response to gravity and tension forces.
file	waterInfiltrateSat.f90
	Evaluates infiltration of water into soil under saturated conditions.
file	waterInfiltrateUnsat.f90
	Evaluates infiltration of water into soil under unsaturated conditions.
file	waterUnderCanopy.f90
	Assesses water flux elements at the ground surface under the vegetation canopy.
file	waterUpdates.f90
	Calculates overland flow; steps ahead pond and soil layer temperatures, and checks for freezing of the ponded water and freezing or thawing of liquid or frozen water in the soil layers. Adjusts ponded water temperature, soil layer temperatures and water stores accordingly.
file	xmlManager.f90
	The XML Manager Module handles the loading of variable descriptors and variable variants from an XML file. Once the variables are generated, corresponding NetCDF output files are created.
file	xmlParser.f90
	This xml parser is derived, in part, from xml-fortran (http://xml-fortran.sourceforge.net) Please see the LICENCE.txt for the licencing information.