Observation of Kelvin-Helmholtz billows in the marine atmospheric boundary layer by a ship-borne Doppler wind lidar.

ABSTRACT: Kelvin-Helmholtz billows (KHB) and the associated turbulence characteristics in the atmospheric boundary layer (ABL) are mainly investigated through simulations and limited observations. Traditional methods using in-situ wind sensors are constrained by mast height, resulting in a limited understanding of KHBs at higher altitudes. Lidar remote sensing provides a promising approach for studying KHBs at altitudes above 100 m. This study presents observations of KHBs in the marine ABL above 600 m, through ship-borne lidar observations. Two Doppler wind lidars, one scanning lidar, and one wind profiler, were installed for several months on a crew transfer vessel, operating in the Rødsand 2 wind farm off the coast of Denmark. On 2023-02-22, KHBs were detected between 600 and 800 m altitude over

SUBMITTER: Malekmohammadi S 

PROVIDER: S-EPMC11822104 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature