Kelvin–Helmholtz billows above Richardson number $1/4$
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.725
Abstract: We study the dynamical system of a two-dimensional, forced, stratified mixing layer at finite Reynolds number $Re$ , and Prandtl number $Pr=1$ . We consider a hyperbolic tangent background velocity profile in the two cases… read more here.
Keywords: helmholtz billows; system; kelvin helmholtz; number ... See more keywords
High‐Frequency Gravity Waves and Kelvin‐Helmholtz Billows in the Tropical UTLS, as Seen From Radar Observations of Vertical Wind
Sign Up to like & getrecommendations! Published in 2024 at "Geophysical Research Letters"
DOI: 10.1029/2024gl110366
Abstract: The present study analyzes novel observations of vertical wind (w) $(w)$ in the tropical upper troposphere‐lower stratosphere obtained from a radar wind profiler in Cochin, India. Between December 2022 and April 2023, 63 consecutive 4… read more here.
Keywords: kelvin helmholtz; vertical wind; radar; gravity waves ... See more keywords
Atmospheric Kelvin–Helmholtz billows captured by the MU radar, lidars and a fish-eye camera
Sign Up to like & getrecommendations! Published in 2018 at "Earth, Planets and Space"
DOI: 10.1186/s40623-018-0935-0
Abstract: On June 11, 2015, a train of large-amplitude Kelvin–Helmholtz (KH) billows was monitored by the Middle and Upper Atmosphere (MU) radar (Shigaraki MU Observatory, Japan) at the altitude of ~ 6.5 km. Four to five KH billows in… read more here.
Keywords: helmholtz billows; fish eye; eye camera; kelvin helmholtz ... See more keywords
Detection of Kelvin-Helmholtz billows over the National Capital Region of India using SODAR
Sign Up to like & getrecommendations! Published in 2021 at "Annales Geophysicae"
DOI: 10.5194/angeo-2020-91
Abstract: Abstract. Kelvin-Helmholtz billows (KHB) have been investigated in the Atmospheric Boundary layer (ABL) using Mono-static SODAR (Sound Detection And Ranging) designed and developed by CSIR-National Physical Laboratory, New Delhi over the capital region Delhi of… read more here.
Keywords: kelvin helmholtz; capital region; helmholtz billows; detection ... See more keywords