Estimation of the mixing layer height over a high altitude site in Central Himalayan region by using Doppler lidar

Abstract

A Doppler lidar was installed at Manora Peak, Nainital (29.4°N; 79.2°E; 1958 amsl) to estimate mixing layer height for the first time by using vertical velocity variance as basic measurement parameter for the period September-November 2011. Mixing layer height is found to be located ~0.57±0.1 and 0.45±0.05km AGL during day and nighttime, respectively. The estimation of mixing layer height shows good correlation (R2>0.8) between different instruments and with different methods. Our results show that wavelet co-variance transform is a robust method for mixing layer height estimation. © 2014 Elsevier Ltd.