Sensitivity of Turbine-Height Wind Speeds to Parameters in the Planetary Boundary-Layer Parametrization Used in the Weather Research and Forecasting Model: Extension to Wintertime Conditions

Berg, Larry K.; Liu, Ying; Yang, Ben; Qian, Yun; Olson, Joseph; Pekour, Mikhail; Ma, Po-Lun; Hou, Zhangshuan

doi:10.1007/s10546-018-0406-y

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Sensitivity of Turbine-Height Wind Speeds to Parameters in the Planetary Boundary-Layer Parametrization Used in the Weather Research and Forecasting Model: Extension to Wintertime Conditions

2018
By Berg, Larry K. ; Liu, Ying ; Yang, Ben ; ...
Source: Boundary-Layer Meteorology 170: 507–518

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Journal Title:

Boundary-Layer Meteorology
Personal Author:

Berg, Larry K. ; Liu, Ying ; Yang, Ben ; Qian, Yun ; Olson, Joseph ; ... More +

Berg, Larry K. ; Liu, Ying ; Yang, Ben ; Qian, Yun ; Olson, Joseph ; Pekour, Mikhail ; Ma, Po-Lun ; Hou, Zhangshuan Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; GSL (Global Systems Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences)

OAR (Oceanic and Atmospheric Research) ; GSL (Global Systems Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

We extend the model sensitivity analysis of Yang et al. (Boundary-Layer Meteorol 162: 117–142, 2017) to include results for February 2011, in addition to May of the same year. We investigate the sensitivity of simulated hub-height wind speeds to the selection of 12 parameters applied in the Mellor–Yamada–Nakanishi–Niino planetary boundary-layer parametrization in the Weather Research and Forecasting model, including parameters used to represent the dissipation of turbulence kinetic energy (TKE), Prandtl number (Pr), and turbulence length scales. Differences in the sensitivity of the ensemble of simulated wind speed to the various parameters can largely be explained by changes in the static stability. The largest monthly differences are found during the day, while the sensitivity to many of the parameters during the night is similar regardless of the month. This finding is consistent with an increased frequency of daytime stable conditions in February compared to May. The spatial variability of the sensitivity to TKE dissipation and Pr can also be attributed to variability in the static stability across the domain at any point in time.
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Parametrization Schemes Planetary Boundary Layer Turbine-height Wind Speed Weather Research And Forecasting Model
Source:

Boundary-Layer Meteorology 170: 507–518
DOI:

https://doi.org/10.1007/s10546-018-0406-y
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Journal Article
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Public Domain
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Submitted
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urn:sha256:c7a2aafb94eca56c6752058064ae319c83ec7782673b88e87299f38b74387563
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https://repository.library.noaa.gov/view/noaa/31768/noaa_31768_DS1.pdf
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Sensitivity of Turbine-Height Wind Speeds to Parameters in the Planetary Boundary-Layer Parametrization Used in the Weather Research and Forecasting Model: Extension to Wintertime Conditions

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