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 Fixed

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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New version 6.0.2 New developments for Plant Mobile Pool, Water Uptake functions and Litter Fall

  • by pej
  • Posted on October 29, 2019October 29, 2019
  • Bug Fixed

The Plant Mobile Pool is active for seasonal reallocation of Nitrogen and Phosphor. The New P model was using a common function to estimate C/P ratios and C/N ratios. However because of problems when the […]

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Control of Growth Stage Index after harvest and Growing temp sums

  • by pej
  • Posted on May 14, 2019
  • Bug Fixed

The growth stage funtion is now updated to the post harvest value (GSI Post Harvest) as assigned by the user from the plant behaviour Table During winter regulation of plant The GSI will be assigned […]

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Update of functions for control of decomposition related to CO2 conc in soil air

  • by pej
  • Posted on May 14, 2019
  • Bug Fixed

The function for soil CO2 control of decomposition is now implemented as an option to default control by soil moisture   The function was by not working in the previous versions after 6.0    

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Deleted bug for allocation to Grain during the grain filling stage

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

The allocation to Grain was not working correctly during grain filling stage. Instead of starting with zero reduction at GSI 2. Full reduction was made independent of the controlling parameter RadEffRed. Correct behaviour is that full […]

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Deleted bug for solar angle and new error test

  • by pej
  • Posted on March 5, 2019
  • Bug Fixed

Simulations have not been perfectly stable and to some extent this is because of many new implementations of functions objects. To identify numerical problems with may be partly random a new error test have been […]

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Global Warming Potential Variables

  • by pej
  • Posted on January 23, 2019
  • Bug Fixed

The new version is now including optional outputs to compare the global warming potential of greenhouse gas emissions using the conversion factor for CO2 equivalents. The recent factors are based on IPCC recommendation with 28 […]

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