Influence on the temperature estimation of the planetary  boundary layer scheme with different minimum  eddy diffusivity in WRF v3.9.1.1

Ding, Hongyi; Cao, Le; Jiang, Haimei; Jia, Wenxing; Chen, Yong; An, Junling

doi:https://doi.org/10.5194/gmd-14-6135-2021

Articles | Volume 14, issue 10

https://doi.org/10.5194/gmd-14-6135-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-14-6135-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 14, issue 10

Model evaluation paper

|

12 Oct 2021

Model evaluation paper |

| 12 Oct 2021

Influence on the temperature estimation of the planetary boundary layer scheme with different minimum eddy diffusivity in WRF v3.9.1.1

Hongyi Ding, Le Cao, Haimei Jiang, Wenxing Jia, Yong Chen, and Junling An

Supplement

https://doi.org/10.5194/gmd-14-6135-2021-supplement

Model code and software

A Description of the Advanced Research WRF Version 3 W. Skamarock, J. Klemp, J. Dudhia, D. Gill, D. Barker, W. Wang, and J. Powers http://www2.mmm.ucar.edu/wrf/users/download/

Short summary

We performed a WRF model study to figure out the mechanism of how the change in minimum eddy diffusivity (K_zmin) in the planetary boundary layer (PBL) closure scheme (ACM2) affects the simulated near-surface temperature in Beijing, China. Moreover, the influence of changing Kzmin on the temperature prediction in areas with different land-use categories was studied. The model performance using a functional-type K_zmin for capturing the temperature change in this area was also clarified.