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v2020a.rst

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Version 2020a (Released on 14 May 2020)

Note

In a future release, we will ONLY deliver SUEWS along with SuPy as a command line tool `suews-run`: release of standalone SUEWS binaries will be stopped to ease our maintenance load and to facilitate rapid developments. Users will need to have Python 3.6+ to install SuPy:

python3 -m pip install -U supy

However, as the source code of SUEWS are public, users can feel free to compile standalone binaries for platforms of their own interests.

  • Improvement
    1. A ponding water scheme is added in the automatic irrigation calculation; useful when a certain depth of ponding water to maintain in irrigation (e.g., flooding irrigation in rice crop-field).
    2. Irrigation fraction can be specified for all surfaces (previously only available for vegetated surfaces)
    3. A U-shape approach for calculating HDD/CDD is introduced to account for a wide comfort zone between heating and cooling critical temperatures.
  • Changes
    1. A new RoughLenHeatMethod option `5`: adaptively choose option 1 for fully pervious surface or 2 otherwise (if any impervious surface exists).
    2. A new column H_maintain is added in SUEWS_Irrigation.txt to set ponding water depth.
    3. New columns to specify irrigation fractions for non-vegetated surfaces in SUEWS_SiteSelect.txt.
    4. A new scheme option BaseTMethod in RunControl.nml to set calculation scheme for HDD/CDD.

  • Fix

    NONE.

  • Known issues
    1. Wind direction is not currently downscaled so non -999 values will cause an error.