application of convective condensation level limiter in convective boundary layer height retrieval based on lidar data

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ID: 139318
2017
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Abstract
Micro pulse lidar is a promising tool for retrieving the convective boundary layer height (CBLH), but its application has been hindered by sharp extinction of the signal in high humidity conditions, e.g., clouds. To remedy this, we developed an effective and simple limiter to obtain more accurate estimates of the CBLH. The limiter is based on the algorithm for the convective condensation level (CCL) and is aimed at limiting the vertical extent of the lidar backscatter profile used in lidar methods to search for the CBLH. Four lidar methods (i.e., the gradient method, the idealized backscatter method, and two forms of the wavelet covariance methods) are used to calculate the CBLH with (or without) the limiter added. Compared to the CBLH calculated by the parcel method from microwave radiometer temperature data, more accurate retrieval of the CBLH is carried out with the limiter applied in four cloudy cases.
Reference Key
li2017atmosphereapplication Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Hong Li;Yi Yang;Xiao-Ming Hu;Zhongwei Huang;Guoyin Wang;Beidou Zhang
Journal Journal of the science of food and agriculture
Year 2017
DOI
10.3390/atmos8040079
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