Releases | Open Sustainable Technology

SOILWAT2 - v8.1.1

Simulation output remains the same as the previous version.
Soil water retention curve parameters that are non-finite now throw an error.
Fix scaling of daily meteorological variables (#454).
Warning and error messages are now, by default, written to logs/logfile.log
nc-based SOILWAT2 can now use a "netCDF" file to provide inputs for constant soil temperature at depth "Tsoil_constant" (which now can vary across the simulation domain). The new example input is "inSite/tas-clim.nc" reproducing the corresponding value from text-based "siteparam.in".

Hydrosphere - Freshwater and Hydrology - C
Published by N1ckP3rsl3y 2 months ago

SOILWAT2 - v8.1.0

This version produces similar but not identical simulation output as previously because of the following changes:
- Small deviations arise from replacing all remaining variables of type float with type double (see commit 62237ae on 2024-July-30).
- Saturated percolation is now limited which leads to different outcomes during periods of high infiltration (e.g., snowmelt) and during conditions of low hydraulic conductivity (e.g., frozen soils, sapric organic matter).
- Depth of snowpack is now consistent with snowpack water content.
- Surface temperature extremes are now less sensitive to high biomass, and average surface temperature is now more consistent with daily extremes.
The two modes of SOILWAT2 can now be compiled with the following flags:
- make CPPFLAGS=-DSWTXT (or as previously make all) for txt-based
- make CPPFLAGS=-DSWNC for nc-based SOILWAT2.
SOILWAT2 now ends gracefully with termination (SIGTERM) and interrupt (SIGINT, commonly CTRL+C on the keyboard) signals.
nc-based SOILWAT2 can now use a large variety of "netCDF" data sources as inputs (#389; @N1ckP3rsl3y, @dschlaep). The user identifies in "SW2_netCDF_input_variables.tsv" which input variables are provided by "netCDF" (and vary among simulation runs, i.e., sites or grid cells); remaining inputs are obtained from the same text files as in txt-based mode (and are constant among simulation runs).
"ncTestRuns" provide a new framework that comprehensively tests nc-based SOILWAT2 via the script "tools/check_ncTestRuns.sh" by creating, executing, and checking more than 40 test runs.
- Comprehensive set of spatial configurations of simulation domains and input netCDFs (see "tests/ncTestRuns/data-raw/metadata_testRuns.csv")
- Runs with daily inputs from external data sources including "Daymet", "gridMET", and "MACAv2METDATA" (if available)
- One site/grid cell in the simulation domain is set up to correspond to the reference run (which, by default, is equivalent to "tests/example" in txt-based mode); output at that site/grid cell is compared against the reference output
Tests now require c++17 and utilize googletest v1.15.2 (issue #427).
SOILWAT2 can now represent the influence of soil organic matter on the soil water retention curve and the saturated hydraulic conductivity parameter (#397; @dschlaep). The implemented approach first determines organic matter properties for the soil layers assuming fibric peat characteristics at the soil surface and characteristics of sapric peat at a user-specified depth. Then, bulk soil parameters of the soil water retention curve are estimated as linear combinations of properties for the mineral soil component and of properties for the organic matter soil component using the proportion of organic matter in the bulk soil as weights. The bulk soil saturated hydraulic conductivity parameter accounts for flow pathways through organic matter above a threshold and assumes conductivities through mineral and organic components in series outside of those pathways.
Saturated percolation is now limited. The upper bound is a function based on the saturated hydraulic conductivity parameter (which includes effects of organic matter), frozen soils, and a user-specified "permeability" factor.
Fix the calculation of depth of snowpack (#441; @dschlaep). Depth of snowpack is now calculated after sublimation occurred and is based on snowpack density that now is always larger than 0; this now makes depth of snowpack and snowpack water content consistent.
Fix the estimation of surface temperature (#440; @dschlaep). Biomass effects are now capped at a value at which cooling and heating effects on minimum and maximum surface temperature result, across average conditions, in no change for mean surface temperature. Effects of maximum air temperature on maximum surface temperature are limited to air temperatures above freezing. Minimum and maximum surface temperature are now set to their average (with a warning) if the initial estimate of minimum surface temperature is larger than the initial estimate of maximum surface temperature. Average surface temperature is now (by default) estimated from minimum and maximum surface temperature (instead of independently as previously), but the old method can be selected.

Changes to inputs

New input via "siteparam.in" to specify the depth at which characteristics of organic matter have completely switched from fibric to sapric peat (default is 50 cm).
New input via "siteparam.in" to select the method for estimating surface temperature (with a new default).
New input via "soils.in" to provide the proportion of soil organic matter to bulk soil by weight for each soil layer.
New input via "swrc_params*.in" to provide parameter values of the soil water retention curve representing fibric and sapric peat. Note: Some parameter values for the "FXW" SWRC are missing.
"climate.in": new snow density values for July, August and September estimated with linear interpolation from June and October values.
New command line option "-p" to prepare the domain/progress, index, and output files; with this flag, no simulations will be run.

Changes to inputs for nc-based SOILWAT2

New tab-separated value "tsv" input file "SW2_netCDF_input_variables.tsv" that lists, activates, and describes each input from "netCDF" files. This file replaces "files_nc.in".
"desc_nc.in" provides new inputs for the names of geographic and projected "CRS" variables as well as names for the spatial coordinate axes and variables.
New example inputs as "netCDF" files that exactly txt-based inputs
- "inClimate/monthlyClimate.nc" corresponding to "climate.in"
- "inSoil/soil.nc" and "inSoil/swrcp.nc" corresponding to "soils.in" and "swrc_params.in"
- "inTopo/topo.nc" corresponding to "modelrun.in"
- "inVeg/veg2.nc" and "inVeg/vegPFT.nc" corresponding to "veg.in"
- "inWeather/weather.nc" corresponding to "data_weather/weath.*"

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v8.0.1...v8.1.0

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep 3 months ago

SOILWAT2 - v8.0.1

Simulation output remains the same as the previous version unless relative humidity is calculated from vapor pressure or specific humidity.
Fix the calculation of relative humidity (#435; @dschlaep). Previously, relative humidity was incorrectly calculated if based on vapor pressure or specific humidity. The calculation of relative humidity from specific humidity now also uses elevation (to estimate air pressure).
Fix the count of days on which a missing weather value was replaced by a non-missing value from the preceding day for the method "LOCF" (last observation carried forward; #437; @dschlaep). Previously, any day with a missing weather value was counted.
Changes to inputs: Units of specific humidity inputs changed from "%" to "g kg-1".

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v8.0.0...v8.0.1

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep 5 months ago

SOILWAT2 - v8.0.0

Simulation output remains the same as the previous version. However, output of establishment/recruitment for two species is now generated by default by the example simulation run.
SOILWAT2 can now be compiled in one of two modes: "nc" and "text" (#361, #362, #363; @N1ckP3rsl3y, @dschlaep):
- "nc"-based SOILWAT2: output files are produced in "netCDF" format; input files in "netCDF" format are currently limited to the "domain". This mode is compiled if the new preprocessor definition "SWNETCDF" and the "netCDF-c" library are available, e.g., make CPPFLAGS=-DSWNETCDF all
- "text"-based SOILWAT2 (as previously): output files are plain text that are formatted as comma-separated values "csv"; input files are plain text.
SOILWAT2 now represents a simulation "domain", i.e., a set of (independent) simulation units/runs (#360; @N1ckP3rsl3y, @dschlaep). A "domain" is defined by either a set of "sites" or by a "xy"-grid. The current simulation set consists of simulation units within a "domain" that have not yet been simulated. Simulation units are identified via "suid" (simulation unit identifier).
- Input text files are read once and now populate a "template" that is used for each simulation unit.
- New SW_CTL_RunSimSet() loops over the simulation set or runs one user specified simulation unit. It writes warning and error messages from all simulation units to the logfile but does not exit if a simulation unit fails (main() will exit with an error if it fails or if every simulation unit produced an error).
- New SW_CTL_run_sw() takes a deep copy of the "template" as basis for each simulation unit.
- For "netCDF"-based SOILWAT2, information about the "domain" (i.e., simulation units and their geographic locations) is obtained from "domain.nc" (#361; @N1ckP3rsl3y, @dschlaep).
- For "nc"-based SOILWAT2, simulation progress (success/failure) is tracked by "progress.nc" (#387; @N1ckP3rsl3y, @dschlaep); progress tracking makes re-starts after partial completion of the simulation set by an earlier execution possible.
SOILWAT2 can now be compiled with "udunits2" to convert output to user requested units (#392; @dschlaep, @N1ckP3rsl3y).
- Unit conversion is available only in "nc"-mode and if compiled with the new preprocessor definition "SWUDUNITS" and if the "udunits2" library is available, e.g., make CPPFLAGS='-DSWNETCDF -DSWUDUNITS' all.
- Users request output units via field "netCDF units" of the input file "SW2_netCDF_output_variables.tsv".
Tests now utilize the same template/deep-copy approach (@dschlaep), i.e., input files from test/example/ populate a "template" and test fixture deep copy the "template" (avoiding repeated reading from disk).
SOILWAT2 gained basic time tracking and reporting (#380; @dschlaep). Temporal resolution may only be full seconds (for C99) but could be sub-seconds (for C11 or later). The runs over the simulation set end gracefully if a user specified wall time limit is (nearly) reached (nearly is defined by SW_WRAPUPTIME). A report is written to stdout or (silently) to the logfile if user requested quiet mode; the report includes
- Overall wall time and proportion of wall time for the simulation set
- Time of simulation units and reports average, standard deviation minimum and maximum time.
SOILWAT2 gained spin-up functionality (#379; @niteflyunicorns, @dschlaep). A user-requested sequence of (random) years is simulated (without output) before the actual simulation run to provide better starting values (e.g., soil moisture, soil temperature). User inputs are obtained from "domain.in".
The random number generator "pcg" is now a submodule of a forked copy of the previous repository imneme/pcg-c-basic (#353; @dschlaep). This allowed us to fix a function declaration without a prototype.
Specified a consistent code style and formatted code, header include directives, doxygen documentation, and updated code contribution guidelines (#316; @dschlaep).

Changes to inputs

New input file "domain.in" with input variables that specify type and spatial dimensions of the simulation "domain" (with a backwards compatible default of one site), start and end year (the latter previously in "years.in"), and spin-up information (mode, duration, scope). This input file uses a key-value pair approach, i.e., inputs must use the correct key while they don't have to be on a specific line (as they have to be in other input files).
Input file "years.in" was removed (content moved to "domain.in").
New input file "modelrun.in" with inputs for geographic coordinates and topography (previously in "siteparam.in").
Input file "siteparam.in" lost inputs for geographic coordinates and topography (content moved to "modelrun.in").
Input file "files.in" gained two entries for "nc"-based SOILWAT2.
New command line option "-s X" where X is a simulation unit identifier; if the option "-s X" is absent or X is 0, then all simulation units in the simulation "domain" are run; otherwise, only the simulation unit X is run.
New command line option "-t X" where X is the wall time limit in seconds. The code gracefully ends early if the wall time reaches a limit of X - SW_WRAPUPTIME seconds; if the option "-t X" is absent, then there is (practically) no wall time limit.
New command line option "-r" to rename netCDF domain template file to domain file name provided in "Input_nc/files_nc.in".

Changes to outputs

Output of establishment/recruitment for two species is now generated by default by the example simulation run (#411; @dschlaep).

Changes to inputs and outputs for `"nc"`-based SOILWAT2

"nc"-based SOILWAT2 is compiled if the new preprocessor definition "SWNETCDF" is available, e.g., make CPPFLAGS=-DSWNETCDF all; the capability to convert units is compiled with the new preprocessor definition "SWUDUNITS", e.g., make CPPFLAGS='-DSWNETCDF -DSWUDUNITS' all
User-specified paths to external headers and libraries can be provided
- "netCDF-c" headers: NC_CFLAGS="-I/path/to/include"
- "netCDF-c" library: NC_LIBS="-I/path/to/lib"
- "udunits2" headers: UD_CFLAGS="-I/path/to/include"
- "udunits2" library: UD_LIBS="-I/path/to/lib"
- "expat" headers: EX_CFLAGS="-I/path/to/include"
- "expat" library: EX_LIBS="-I/path/to/lib"
New input directory "Input_nc/" that describes "nc"-based inputs (paths provided by new entries in "files.in").
New text input file "files_nc.in" that lists for each input purpose (currently, "domain" and "progress" are implemented) the path to the "netCDF" input file and associated variable name.
New text input file "attribues_nc.in" to provide global attributes and a geographic (and optionally a projected) "CRS" (coordinate reference system) that describe the "domain.nc".
A user provided "domain.nc" that describes the simulation "domain". Specifications must be consistent with "domain.in". If absent, a template is automatically generated based on "domain.in".
A user provided "progress.nc" that describes the simulation "progress". Specifications must be consistent with "domain.nc". The "progress" variable can optionally be contained in "domain.nc" instead of a separate file. If absent, it is automatically generated based on "domain.nc".
New tab-separated value "tsv" input file "SW2_netCDF_output_variables.tsv" that lists, activates, and describes each output variable in "netCDF" mode.
All outputs are written to "netCDF" files based on user requests from "SW2_netCDF_output_variables.tsv". Each "netCDF" output file contains the output variables from one output group "outkey" and one output period (daily, weekly, monthly, yearly).

Full Changelog

https://github.com/DrylandEcology/SOILWAT2/compare/v7.2.0...v8.0.0

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep 10 months ago

SOILWAT2 - v7.2.0

Simulation output remains the same as the previous version.
SOILWAT2 now handles errors more gracefully (#368; @N1ckP3rsl3y, @dschlaep).
- Code no longer crashes on error immediately (except for STEPWAT2).
- Code stores messages of warnings and error status.
- All functions now check for errors and return early
  (after cleaning up memory).
SOILWAT2 now defines its own structure for random numbers (#373; @dschlaep).
This allows to hide implementation details, i.e., STEPWAT2 will no
longer need to interact directly with pcg and rSOILWAT2 will no longer
depend on pcg which it never has used.
New sw_strtok() is thread-safe and replaces not thread-safe strtok()
(#376; @N1ckP3rsl3y).
Obsolete code in DEBUG_MEM* sections is removed (#369; @dschlaep).

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v7.1.0...v7.2.0

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 1 year ago

SOILWAT2 - v7.1.0

Simulation output remains the same as the previous version.
Prepare for SOILWAT2 to become thread-safe and reentrant (#346; @N1ckP3rsl3y)
- Definition clarifications
  - Thread-safe - Multiple threads (a future SOILWAT2 development)
    will not influence each other unintentionally. Here, we implemented
    structures to enable thread-local storage, i.e., each thread operates
    on local data structures or with static data.
  - Reentrant - The ability to correctly execute any part of the program
    by multiple threads simultaneously but independently from others.
- All non-static variables are replaced by local variables;
  functions gained arguments to pass local variables by reference
  (replacing global variables).
- New main abstract types
  - SW_ALL - Contains the existing structures that are relevant
    for the simulation itself, e.g., SW_MODEL, SW_SOILWAT, SW_WEATHER.
  - PATH_INFO - Holds information about location of input and output data,
    e.g., directories, file paths to input data.
  - SW_OUTPUT_POINTERS - Points to requested output subroutines.
  - LOG_INFO - Manages information for logging warnings and errors.
Tests now require c++14 and utilize googletest v1.14.0 (issue #339).
Bugfixes
- Fix an error where a pointer was freed even though it was not allocated
  (issue #356; @dschlaep).
- Fix memory leak in test of SW_VPD_construct() (issue #205; @dschlaep).

Changes to inputs

The output separator OUTSEP has been unused since the switch (v4.0.0)
from writing free-form text files to "csv" spreadsheets
(where the separator is fixed to a comma); the occurrence of
OUTSEP in "outsetup.in" is now deprecated and triggers a warning.

What's Changes

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v7.0.0...v7.1.0

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 1 year ago

SOILWAT2 - v7.0.0

This version produces nearly identical simulation output
as the previous release under default values for the new inputs.
Small deviations arise due to a fix in the handling of soil moisture values
when between field capacity and saturation.
Multiple soil water release curves (SWRC) are now implemented and can be
selected with new input swrc_name. Implemented SWRCs currently include
"Campbell1974", "vanGenuchten1980", and "FXW". New input has_swrcp
determines if parameters for a SWRC are estimated at run-time via an
implemented pedotransfer function (PTF) based on new input ptf_name or
if they are provided as inputs via new input file "swrc_params.in".
rSOILWAT2 implements additional pedotransfer functions. See documentation
entry of "swrc_ptf" for additional details and for guidance on how to
implement additional SWRCs and PTFs (issue #315; @dschlaep).
Soil density inputs can now represent either matric or bulk density
(issue #280; @dschlaep).
- Automatic conversion between matric and bulk density as needed
  using the new input type_soilDensityInput.
Daily weather inputs that force a simulation are now processed
all at once; previously, values were processed for one year at a time during
the main simulation loop (issue #311; @dschlaep, @N1ckP3rsl3y).
- Daily weather inputs are now obtained by readAllWeather()
  via SW_WTH_read() during SW_CTL_read_inputs_from_disk(), i.e.,
  the same time as other inputs are read from files.
- Then, weather values are "finalized", i.e., missing values are imputed
  (e.g., by the weather generator) and scaled with monthly parameters,
  by finalizeAllWeather() via SW_WTH_finalize_all_weather();
  this must occur before the simulation is "initialized"
  by SW_CTL_init_run().
SOILWAT2 gains the ability to calculate long-term climate summaries
(issue #317; @N1ckP3rsl3y, @dschlaep).
- New calcSiteClimate() calculates monthly and annual time
  series of climate variables from daily weather.
- New averageClimateAcrossYears() calculates long-term climate summaries.
- Both functions are based on rSOILWAT2::calc_SiteClimate()
  which was previously coded in R.
- This version fixes issues from the previous R version:
  - Mean annual temperature is now the mean across years of
    means across days within year of mean daily temperature.
  - Years at locations in the southern hemisphere are now adjusted to start
    on July 1 of the previous calendar year.
  - The cheatgrass-related variables, i.e., Month7th_PPT_mm,
    MeanTemp_ofDriestQuarter_C, and MinTemp_of2ndMonth_C,
    are now adjusted for location by hemisphere.
SOILWAT2 gains the ability to estimate fractional land cover
representing a potential natural vegetation based on climate relationships
(using new input veg_method) instead of reading land cover values
from input files (issue #318; @N1ckP3rsl3y, @dschlaep).
- New estimatePotNatVegComposition() estimates
  fractional land cover representing a potential natural vegetation
  based on climate relationships.
  This function is based on rSOILWAT2::estimate_PotNatVeg_composition()
  which was previously coded in R.
- New estimateVegetationFromClimate()
  (which is called by SW_VPD_init_run()) uses veg_method to determine
  at run time if a simulation utilizes averageClimateAcrossYears() and
  estimatePotNatVegComposition() to set land cover values
  instead of using the cover values provided in the input file.
- This version fixes issues from the previous R version:
  - The C4 grass correction based on Teeri & Stowe 1976 is now applied
    as documented (rSOILWAT2 issue #218).
  - The sum of all grass components, if fixed, is now incorporated into
    the total sum of all fixed components (rSOILWAT2 issue #219).

Changes to inputs

New inputs via "siteparam.in" select a soil water release curve swrc_name
and determine parameter source has_swrcp, i.e.,
either estimated via selected pedotransfer function ptf_name or
values obtained from new input file "swrc_params.in".
Default values "Campbell1974", "Cosby1984AndOthers", and 0
(i.e., use PTF to estimate paramaters) reproduce previous behavior.
New input file "swrc_params.in" to provide parameters of the selected
soil water release curve (if not estimated via a pedotransfer function)
for each soil layer.
SOILWAT2 gains type_soilDensityInput as new user input (siteparam.in)
with default value 0 (i.e., matric soil density)
that reproduces previous behavior.
SOILWAT2 gains veg_method as new user input ("veg.in")
with default value 0 (i.e., land cover are obtained from input files)
that reproduces previous behavior.

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v6.7.0...v7.0.0

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep almost 2 years ago

SOILWAT2 - v6.7.0

This version produces exactly the same simulation output as the previous release under default values (i.e., vegetation establishment is turned off).
Functionality to calculate and output establishment/recruitment of species now works again and is now covered by tests (issue #336, @dschlaep). Note that this functionality assesses yearly the chances of species to recruit/establish based on simulated daily conditions; however, establishment/recruitment outcomes are not utilized to inform the simulation.
New input via "<species>.estab" sets the vegetation type of a species establishment parameters'.

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v6.6.0...v6.7.0

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 2 years ago

SOILWAT2 - v6.6.0

Random number generators now produce sequences that can be exactly reproduced.
RandSeed() gains arguments "initstate" and "initseq" (and lost "seed") to fully seed a pcg32 random number generator.
RandNorm() is now re-entrant and discards one of the two generated values. Compilation with "RANDNORMSTATIC" re-produces the old, not re-entrant implementation.
SOILWAT2 gains rng_seed as new user input ("weathsetup.in").
SW_MKV_construct() now only seeds markov_rng (the random number generator of the weather generator) if run as SOILWAT2 using the new input rng_seed; SW_MKV_construct() does not seed markov_rng when run as part of STEPWAT2 or rSOILWAT2 (both of which use their own RNG initialization procedures).
SW_WTH_init_run() now also initializes yesterday's weather values.

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v6.5.1...v6.6.0

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 2 years ago

SOILWAT2 - v6.5.1

Bugfix rSOILWAT2 issue 194

Fixed incorrect indexing of output array related to rSOILWAT2. This is documented in issue #194 in rSOILWAT2. (@N1ckP3rsl3y)

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v6.5.0...v6.5.1

Hydrosphere - Freshwater and Hydrology - C
Published by N1ckP3rsl3y almost 3 years ago

SOILWAT2 - v6.5.0

This version simulates daily minimum, average, and maximum temperature at every soil layer and at the surface (@N1ckP3rsl3y)

Output category "SOILTEMP" now contains maximum/minimum soil temperature in addition to average soil temperature
Output category "TEMP" now contains maximum/minimum surface temperature in addition to average surface temperature (and air temperature)

Otherwise, this version produces identical simulations to the previous release.

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v6.4.0...v6.5.0

Hydrosphere - Freshwater and Hydrology - C
Published by N1ckP3rsl3y almost 3 years ago

SOILWAT2 - v6.4.0

Added the frozen state of soil moisture of each layer to output. (@N1ckP3rsl3y)
Remaining output is unchanged.

Full Changelog: https://github.com/DrylandEcology/SOILWAT2/compare/v6.3.0...v6.4.0

Hydrosphere - Freshwater and Hydrology - C
Published by N1ckP3rsl3y almost 3 years ago

SOILWAT2 - v6.3.0

This version produces slightly different simulation output from the versions v6.2.x.

This version improved percolation and behavior at minimum soil water content:

Unsaturated percolation rate is now adjusted for swc_min, i.e., percolation rate is smaller at very low moisture levels.
Bugs fixed so that bare-soil evaporation, transpiration, or hydraulic redistribution no longer remove soil moisture held below swc_min; previously, this could occur rarely under specific circumstances.
Lower limit of swc_min updated to -30 MPa.

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep about 3 years ago

SOILWAT2 - v6.2.4

This version produces identical simulation output as the previous release.

This version updated the (unit) testing framework and improved documentation:

Updated submodule googletest: the default branch name is now "main"
Improved AddressSanitizer settings for tests
Changed to thread-safe death tests
Changed to recommended naming scheme for unit tests
Updated and clarified requirements for compilation (C11 for executable and C++11 plus POSIX API for tests)
Fixed weather generator death test
Fixed make targets bin_debug and bin_debug_severe

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 3 years ago

SOILWAT2 - v6.2.3

This version produces identical simulation output as the previous release.

This version updated the continuous testing framework, improved documentation, and fixed a minor code issue:

move CI from travis and appveyor to github actions
updated googletest (as of v1.11.0, Jun 11, 2021) requires newer gcc and clang versions (>= 5.0, https://github.com/google/googletest)
than currently implemented for travis and appveyor scripts (gcc v4.9 and clang v3.5)
avoid codecov's bash uploader; it will be retired by Feb 1, 2022 (https://docs.codecov.com/docs/about-the-codecov-bash-uploader)
update documentation
fix compiler "Warning: array subscript has type char" for function SW_MDL_read()

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 3 years ago

This version produces identical simulation output as the previous release; however, the internal organization of global variables was updated and affects how SOILWAT2 works with rSOILWAT2 and STEPWAT2.

previously, global variables were defined/implemented in one source file; each other source files that referenced a global variable used a separate extern declaration
--> problem: repeated code/declarations
new approach:

define/implement global variables in one source file
extern declare these variables in the header file belonging to that source file
include the header file by each other source files that uses a global variable

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 3 years ago

SOILWAT2 - v6.2.1

throw an error if input contains negative evaporation and transpiration coefficients

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 3 years ago

SOILWAT2 - v6.2.0

Additional output variables

total transpiration (summed across soil layers and vegetation types) -- individual components available in "SW_TRANSP"
evaporation from bare-soil (summed across soil layers) -- individual components available in "SW_EVAPSOIL"
evaporation from canopy water (summed across vegetation types) -- individual components available in "SW_EVAPSURFACE"
evaporation from surface water (sum of evaporation from litter-intercepted and ponded water) -- individual components available in "SW_EVAPSURFACE"
evaporation from snowpack (sublimation) -- also available in "SW_PRECIP"
leaf area index (LAI)

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 3 years ago

SOILWAT2 - v6.1.1

Small fix in a function declaration
Does not affect simulations and output

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep about 4 years ago

SOILWAT2 - v6.1.0

Bugfixes

Fixed calculation of residual soil moisture if gravel is present (close #282)
Fixed setup/initialization of soil temperature module (not relevant for SOILWAT2 but for rSOILWAT2 and potentially STEPWAT2): values of a previous run (instead of default and initial values) were used to start a new simulation run (including frozen layer status, error status, and internal time step)

New features/improvements

New command line options: -h (to print help/usage information); -v (to print version and compile time metadata)
Version and metadata are printed by main() unless -q (quiet mode)
Additional unit test output to create plots of PET as function of radiation, relative humidity, wind speed, and cover (optional)

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 4 years ago

SOILWAT2 - v6.0.0

Improved estimation of radiation on tilted surfaces
- code now accounts for seasonally varying sun-earth distance
- new approach implements a clear-sky model (additionally attenuated by a cloud factor) and a separation model to treat direct beam and diffuse radiation separately (previously, code estimated only direct beam insolation and used a crude all-sky model)
- code estimates now all possible sunrise and sunset hour angles for a horizontal and a tilted surface (with 0, 1, or 2 periods of possible sunlight) as well as the daily integral of the cosine of the solar incidence angle and the daily integral of the sine of the solar altitude angle (previous estimates were increasingly wrong the further away from equator the slope was facing)
- new approach implements an anisotropic transposition model to transpose direct beam and diffuse components of global radiation from a horizontal to a tilted surface and to estimate a reflected radiation component

User visible changes to inputs
- climate.in: "Atmospheric transmissivity" is removed (was not used by code since a very long time/ever?)
- siteparam.in:
  - Longitude is a new input (for complete documentation of location, but currently not used by code)
  - Latitude is now in degrees (instead of radians -- so that all input angles are in the same units)
  - Aspect changed orientation: now, S = 0 (degrees), E=-90, N=±180, W=90 (previously, N=0, E=90, S=180, W=270)
- weathsetup.in
  - flag to toggle source of daily meteorological forcing between weather generator to fill in missing inputs (1) and using only inputs from files (0) gained a new option (2) that indicates to use only the weather generator and to not check for weather input files
  - input to declare first year of weather input files gained a new option (-1) to indicate that first year of weather inputs corresponds to first year of simulation period
  - removed "number of days to use in a moving average of temperature" (was not used by code since a long time)

User visible changes to outputs
- Output type "PET" gained four new variables:
  - PET_H_oh_MJm-2 = extraterrestrial horizontal solar irradiation [MJ / m2]
  - PET_H_ot_MJm-2 = extraterrestrial tilted solar irradiation [MJ / m2]
  - PET_H_gh_MJm-2 = global horizontal irradiation [MJ / m2]
  - PET_H_gt_MJm-2 = global tilted irradiation [MJ / m2]

Additional testing
- Additional testing output can be generated by passing appropriate flags when running
  unit tests. Scripts are available to create sun hour angles plots for horizontal and tilted surfaces:
  - Numbers of daylight hours and of sunrise(s)/sunset(s) for each latitude and day of year for some slope/aspect combinations
  - Sunrise(s)/sunset(s) hour angles for each latitude and some slope/aspect/day of year combinations

      CPPFLAGS=-DSW2_SolarPosition_Test__hourangles_by_lat_and_doy make test test_run
      Rscript tools/plot__SW2_SolarPosition_Test__hourangles_by_lat_and_doy.R

      CPPFLAGS=-DSW2_SolarPosition_Test__hourangles_by_lats make test test_run
      Rscript tools/plot__SW2_SolarPosition_Test__hourangles_by_lats.R

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 4 years ago

SOILWAT2 - v5.5.0

Overhauled code for model setup, user inputs, run initialization, and setting a new year
such that outputs no longer depend on the time when the code is executed (closed #272, #273, and #274)
No user visible changes to inputs or use
Outputs have changed slightly
Few changes to the interface relevant for STEPWAT2 and rSOILWAT2

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep about 5 years ago

SOILWAT2 - v5.4.0

This version addressed documentation and unit testing:

User visible changes:

Create and open documentation and user manual with make doc doc_open

Details:

Documentation:
- 'User manual' for SOILWAT2 provided as part of doxygen documentation (close #217, close #74)
- Detailed installation instructions included in doxygen documentation (close #75)
- Code contributor manual as part of doxygen documentation (close 86)
- Doxygen warnings fixed (close #266)
- Input units of biomass documented (close #265)
Unit tests:
- Contributed to the documentation and unit testing for all SOILWAT2 functions (see #216, see #219, see #76; close #73)
- Unit tests for functions in SW_Flow_lib.c (close #117; contributed to #19)

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 5 years ago

SOILWAT2 - v5.3.1

Small bug fix (mostly for rSOILWAT2): Handle write attempts to NULL-file pointers correctly

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 5 years ago

SOILWAT2 - v5.3.0

Two new functions to change soil information by function calls and an unrelated helper function:

set_soillayers(): Creates soil layers based on function arguments (instead of reading
them from an input file as _read_layers() does)
derive_soilRegions(): Determines soil transpiration regions based on input parameters
sum_across_vegtypes(): Sum up values across vegetation types

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 5 years ago

SOILWAT2 - v5.2.0-zenodo

Identical to v5.2.0, but needed for zenodo to create doi

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep almost 6 years ago

SOILWAT2 - v5.2.0

corrected output when run with STEPWAT2
new output target BIOMASS provides output for
- cover (%) for bare-ground, trees, shrubs, forbs, grasses
- biomass (g/m2 as component of total) for total, trees, shrubs, forbs, grasses, and litter
- live biomass (g/m2 as component of total) total, trees, shrubs, forbs, grasses

--> user visible change to the input file outsetup.in which gained a new row!

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep almost 6 years ago

SOILWAT2 - v5.1.0

Overhauling and fixing the weather generator

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep almost 6 years ago

SOILWAT2 - v5.0.0

This version introduces new equations for interception by vegetation:

The equations are now based on work by Vegas Galdos et al. 2012 and Gerrits 2010:

for vegetation canopies: kSmax * log10(1 + LAI_live + kdead * LAI_dead)
for litter: kSmax * log10(1 + litter_density)

User visible changes include:

Input/veg.in
Input/climate.in

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep almost 6 years ago

SOILWAT2 - v4.2.5

Small cosmetic compiler fixes for use as rSOILWAT2

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep almost 6 years ago

SOILWAT2 - v4.2.4

General code improvements: got rid of variable length arrays

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep about 6 years ago

SOILWAT2 - v4.2.3

improved handling of edge cases in pedotransfer function SW_SWCbulk2SWPmatric
inputs are checked that: soil layer width > 0; theta(saturated) is > 0
improved unit tests

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep about 6 years ago

SOILWAT2 - v4.2.2

More carefully setting up unit test MainSoilTemperatureFunction_LyrMAX

keep soil bulk density fixed, SWC(wilting point), SWC(field capacity), SWC(saturation) fixed and physically well defined
only set SWC by a uniform random number and keep it between field capacity and wilting point
new script many_test_runs.sh to repeatedly run unit tests

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep about 6 years ago

SOILWAT2 - v4.2.1

Fix value of SW_NFILES

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 6 years ago

SOILWAT2 - v4.2.0

Random numbers now generated using the PCG pseudo-random number generator.
This RNG allows multiple streams. The Markov weather generator is on its own stream so no other functions requesting random numbers can change the weather.
Unit tests ensure the pcg rng works correctly.
Two new functions added: RandUniIntRange(first, last) returns an integer between first and last (inclusive) and RandUniFloatRange(first, last) returns a float between first and last (inclusive)

Hydrosphere - Freshwater and Hydrology - C
Published by chaukap over 6 years ago

SOILWAT2 - v4.1.4

Fix covariance value checks in Markov weather generator

Hydrosphere - Freshwater and Hydrology - C
Published by dschlaep over 6 years ago