Difference between revisions of "UMEP"

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New Homepage of the UMEP manual  
New Homepage of the UMEP manual  
https://umep-docs.readthedocs.io/en/latest/ [https://umep-docs.readthedocs.io/en/latest/]

Revision as of 12:14, 29 June 2018

New Homepage of the UMEP manual https://umep-docs.readthedocs.io/en/latest/ [1]

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UMEP logo wiki.png

The Urban Multi-scale Environmental Predictor (UMEP) is a climate service tool, designed for researchers and service providers (e.g. architects, climatologists, energy, health and urban planners). This tool can be used for a variety of applications related to outdoor thermal comfort, urban energy consumption, climate change mitigation etc. UMEP consists of a coupled modelling system which combines “state of the art” 1D and 2D models related to the processes essential for scale independent urban climate estimations.

IMPORTANT! The migration of UMEP into QGIS3 is planned for the Autumn of 2018. In the meantime, use UMEP with the LTR version of QGIS (2.18).

UMEP is a [2], open source model, where users can contribute as well as extend the tool to improve modelling capabilities. It is freely available for download. A major feature is the ability for a user to interact with spatial information to determine model parameters. The spatial data across a range of scales and sources are accessed through QGIS - a cross-platform, free, open source desktop geographic information systems (GIS) application – that provides data viewing, editing, and analysis capabilities.

This software is in continuous development. There are two types of releases:

  1. Long term release - this may be obtained from the QGIS plugin manager (see details).
  2. Current development version - this can be obtained from the plugin repository. This version you need to manually install yourself (see details).

Source area modelling with UMEP
The UMEP plugin consist of three parts; a pre-processor, a processor and a post-processor. The pre-processor prepares spatial and meteorological data as inputs to the modelling system. The processor includes all the main models for the main calculations. To provide initial “quick looks” the post-processor will enable results to be plotted, statistics calculated etc. based on the model output. For more information on the content and archetecture, see Plugin Architecture.


Due to a recent update of netCDF4 library (1.3.0), the netCDF4 library has a version conflict related to the numpy version currently used in QGIS 2.18.x. This results in that some plugins in UMEP will fail, e.g. LQf.

We have submitted an issue regarding this to the QGIS community. Meanwhile, we recommend UMEP users to downgrade the netCDF4 library to 1.2.9. This is easiest done by opening the OSGeo4W shell and run the two following commands:

  pip uninstall netCDF4
  pip install netCDF4==1.2.9

To downloading instructions and initial settings:

Getting Started

UMEP is an an open source tool. We are keen to get inputs and contributions from others. There are two main ways to contribute:

  1. Submit comments or issues to the repository
  2. Participate in Coding or adding new features.

It is also possible to contribute by writing tutorials and guidelines for other users to give examples of the many application possibilities of UMEP.