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A simple demonstration of connecting APSIM to optimisation techniques

The APSIM Initiative Reference Panel has provided two examples for connecting APSIM to optimisation techniques.  These serve to demonstrate contrasting approaches in connecting APSIM to optimisation software. 

Examples can be found here:

Optimisation Techniques

Monday, 5 November 2018/Author: Sarah Cleary/Number of views (60)/Comments (0)/
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nasapower: NASA POWER Global Meteorology, Surface Solar Energy and Climatology Data Client

International users of APSIM can now enjoy easy access to APSIM metrological files (.met files) from NASA POWER via a new R package developed by USQ’s Associate Professor of Field Crops Pathology Dr Adam Sparks called nasapower now available on CRAN.  One of the functions in this new package takes the NASA POWER agroclimatology data and reformats it into an APSIM .met file for use in APSIM simulations.  Information and documentation for the new package can be found at https://ropensci.github.io/nasapower/.

Thursday, 18 October 2018/Author: Sarah Cleary/Number of views (90)/Comments (0)/
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Updated Instructions for Submission of Improvements to APSIM for Review

As a user of APSIM, you may access and modify all source code. As per the conditions agreed to on download, all modifications to APSIM must be submitted to the AI and be subject to the Reference Panel evaluation process before inclusion into the official APSIM release. Updated instructions for submitting Improvements to APSIM for review by the APSIM Initiative Reference Panel can be found here

It can be useful to notify the APSIM Initiative that you are planning on making an improvement to APSIM. This can often lead to others suggesting ideas or collaborators to work with. To do this you need to create an issue in GitHub with a description of what you intend doing. This is for APSIM 7.x and APSIM Next Generation.  Any queries, please email apsim@csiro.au.

Tuesday, 9 October 2018/Author: Sarah Cleary/Number of views (62)/Comments (0)/
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APSIM Initiative Development Plan

The APSIM Initiative Development Plan is now available: http://www.apsim.info/AboutUs/DevelopmentPlan.aspx

The plan outlines work that is currently being undertaken by APSIM Initiative Members and partners.  It covers work that is being carried out this year as well as planned or aspirational work in the near future. 

If you’re interested in more information, co-developing or partnering in any of this work, please email apsim@csiro.au.

Monday, 24 September 2018/Author: Sarah Cleary/Number of views (78)/Comments (0)/
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APSIM Initiative Strategic Plan

The APSIM Initiative Strategic Plan is now available.  The plan summarises the Mission and Vision of the APSIM Initiative whilst clearly outlining the purpose and objectives for APSIM. 

The APSIM Initiative welcomes feedback from our stakeholders.  It can be found at http://www.apsim.info/AboutUs/StrategicPlan.aspx

Wednesday, 5 September 2018/Author: Sarah Cleary/Number of views (123)/Comments (0)/
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FEATURES

APSIM-Wheat: Documentation

Author: Chris Murphy/Tuesday, 29 April 2014/Categories: Features

Find out the details of the APSIM-Wheat module and understand how wheat crop is simulated in APSIM (current for v7.5 R3008).

This updated documentation presents the processes modelled in APSIM-Wheat, and gives the equations and defaults parameter values that are used by the model. Graphic illustrations and figures have been added to help the understanding on how the model is functioning.

APSIM-Wheat simulates wheat growth and development at a daily time step, in response to the climatic factors (radiation, temperature and rain), soil characteristics and management practices.

The documentation presents in details the different processes involved, including crop phenology, biomass accumulation, partitioning and re-translocation, as well as root, leaf and grain development. Response to water limitation and nitrogen are also documented and a list of the main reference and model parameters is given at the end of the document.

The updated documentation can be found here.

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