CoupModel

Coupled heat and mass transfer model for the soil-plant-atmosphere system

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  • Documentation
    • Reference Manual, Jansson & Karlberg (2011)
    • Brief Background
    • Some Basic Concepts
      • Sim File
        • Attached or Linked Files to the Sim File
      • What is a PG file
  • Basic Description of Platform
  • DownLoading of model
  • Tutorials
    • Interface and Windows in Docking Stations
  • History
    • Publications prior 2008 – Also including SOIL and SOILN
    • New Features with version 5.0 April 2014
  • New Model Develpment
    • Previous News Prior May 2015
    • News Anounced 2009-09-01 – 2015-04-09

Bug Reporting

Please report any bugs or phenomena that makes the use of the model complicated for your purpose

New Version 6.2.2 – Bug fixed and some new features

  • by pej
  • Posted on March 12, 2023
  • Bug Fixed

One Bug are related to the introduction to introduction of version 6 and may have large impacts on some perennial ecosystem simulation where nitrogen is a major growth regulator. So if you have current studies […]

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Growth Stage Index – Bug correction

  • by pej
  • Posted on January 13, 2023
  • Bug Fixed

The Growth Stage Index was reset to 0 instead of the Min_GSI parameter as specified in the parameter table Plant Behaviour. This caused strange behaviour since the Canopy Height Variable is assigned to 0 when […]

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Pre Period Simulation – Bug

  • by pej
  • Posted on November 20, 2022
  • Bug Fixed

The purpose of the preperiod for simulation is that the initial values can be set prior the normal period of interest. This corresponds to what is commonly understood as a spin up period. Unfortunately this […]

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Year Scale, Output Variables (HBV) and File missing message

  • by pej
  • Posted on November 11, 2022
  • Bug Fixed

An updated version has fixed bugs The Year scale when tranforming a PG-bin file date/time to year for some plotting is fixed 2) A misleading message about missing PG-files was showing up when creating new […]

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Deleted bugs and Upgrading of History

  • by pej
  • Posted on December 6, 2021
  • Bug Fixed

1 The harvest of plants that was not done correct only for the first plant layer. This is now corrected. 2. The saving of PG-files with many repetitions was not save and always correct after […]

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Calibration with many sites to obtain best performance using a common set of parameters values for all sites

  • by pej
  • Posted on July 5, 2020
  • Bug Fixed

This procedure is based on using more than 2 dimension of a Multirun where the first dimension is used to specify the site specific parameters and the second is used to specify those parameters that […]

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Deleted bug related to change of StartTime for simulation when a Preperiod date was previously defined

  • by pej
  • Posted on February 22, 2020February 22, 2020
  • Bug Fixed

In the example shown here the startdate could not be correctly assigned without also changing the PrePeriodDate. This is now fixed in the new version.  

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Deleted bugs related to Interception evaporation and Shortwave radiation

  • by pej
  • Posted on January 26, 2020
  • Bug Fixed

Two severe bugs was discovered that are from April 2019 and that may have caused problems with water balance issues. The estimation of shortwave radiation from cloudiness when using a representation within the day was […]

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Deleting bugs in the features for creating PG-file

  • by pej
  • Posted on December 12, 2019
  • Bug Fixed

A number of bugs was identified in the import feature important for giving correct ID of the new variables in the imported file. Note the use of ID can either be applied from selected type […]

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Extended use of Water Uptake functions for each plant

  • by pej
  • Posted on November 9, 2019
  • Bug Fixed

The use of the newly introduced switch WaterUptakeFunction. For the new specific option for each plants now also the temperature impact on the water uptake is considered. In addition the Mass Balance Check for the […]

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