ISSN 1000-0526
CN 11-2282/P
The WRF Performance Comparison Based on Noah and NoahMP Land Surface Processes on East Asia
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    Abstract:

    In this study, two land surface schemes (LSSs), Noah LSS and NoahMP LSS, are evaluated over the East Asian Region for January and July in 2013. Through the evaluation of 2m air temperature, 10m wind speed, surface temperature, soil temperature at depths of 5 cm and 70 cm, and soil moisture at depths of 5 cm and 25 cm, the results showed that: (1) Compared to Noah LSS, NoahMP LSS produces less surface sensible heat flux but more latent heat flux in January in most areas. NoahMP LSS produces more sensible heat flux except for Indian continent, western China and its adjacent regions, northeastern China in July, also more latent heat flux in most areas. The magnitude of increase in latent heat flux in July is larger than in January. (2) Compared to Noah LSS, NoahMP LSS improves the overall simulation of soil moisture and soil temperature over the East Asian Region. (3) Compared to Noah LSS, the bias and rootmeansquarederror of simulated 2m air temperature and 10m wind speed with NoahMP LSS decrease, especially the simulation for the 2m air temperature over Indian continent and cold climate regions is improved significantly. This study indicates the advantage of coupled NoahMP over the East Asian Region, and provides the basis for WRF/NoahMP in future operational application.

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History
  • Received:September 20,2015
  • Revised:December 26,2015
  • Adopted:
  • Online: October 13,2016
  • Published:

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