17 Feb 2022
17 Feb 2022
Status: a revised version of this preprint is currently under review for the journal AMT.

Validation of StreamLine XR Doppler Lidar wind observations using in-situ measurements and WRF simulations

Tamir Tzadok1, Ayala Ronen2, Dorita Rostkier-Edelstein2, Eyal Agassi2, David Avisar2, Sigalit Berkovic2, and Alon Manor2 Tamir Tzadok et al.
  • 1Life Science Research Israel (LSRI), Ness Ziona 7410001, Israel
  • 2Environmental Physics Department, Israel Institute for Biological Research (IIBR), Ness Ziona 7410001, Israel

Abstract. Halo-Photonics Streamline XR doppler lidar measurements performed using several scan configurations (Velocity Azimuth Display – VAD and Doppler Beam Swing – DBS) and elevation angles of 60° and 80°, are compared to wind observations conducted by various in situ instruments (tethered balloon, meteorological mast, and radiosondes). Good agreement is obtained, with an R2 over 0.90 for wind speed and a standard error <=18.90° for wind direction for the VAD scan method. Best performance was attained with VAD and lower elevation scans (60°). These results are consistent with the higher spatial lateral homogeneity exhibited by lower angle scans. The boundary layer structure along a diurnal cycle is analyzed by utilizing retrieved backscatter data and wind measurements in conjunction with WRF simulations. Presence of multiple inversions which allow the coexistence of different layers within the studied profile is also verified using data acquired by several radiosondes. Synergic use of Lidar data with WRF simulations for low SNR regions is demonstrated.

Tamir Tzadok et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on amt-2022-5', Anonymous Referee #1, 09 Mar 2022
    • AC1: 'Reply on RC1', Tamir Tzadok, 12 May 2022
  • RC2: 'Comment on amt-2022-5', Anonymous Referee #2, 11 Mar 2022
    • AC2: 'Reply on RC2', Tamir Tzadok, 12 May 2022

Tamir Tzadok et al.

Tamir Tzadok et al.


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Short summary
Wind observations of an advanced doppler lidar are successfully compared to a meteorological mast, a tethered balloon, and free radiosondes. Analysis of boundary layer structure using Lidar observation show Good agreement with WRF model simulations. A specific potential for synergic use of WRF model with the Lidar observations is demonstrated. WRF simulations can be used to indicate atmospheric layers in which Lidar observations are challenged.