SABER observations of gravity wave responses to the Madden‐Julian oscillation from the stratosphere to the lower thermosphere in tropics and extratropics

J Li, X Lu - Geophysical Research Letters, 2020 - Wiley Online Library
The 17‐year SABER‐observed gravity wave (GW) temperature variances reveal significant
responses of GWs to the Madden‐Julian Oscillation (MJO) over the middle atmosphere (30 …

Decadal continuous meteor-radar estimation of the mesopause gravity wave momentum fluxes over Mohe: Capability evaluation and interannual variation

X Zhou, X Yue, L Liu, Y Yu, F Ding, Z Ren, Y Jin, H Yin - Remote Sensing, 2022 - mdpi.com
In the present work, the momentum fluxes of gravity wave (GW) around the mesopause are
estimated, using the decadal continuous observations by meteor radar at Mohe (53.5° N …

Global Responses of Gravity Waves and Zonal Mean Winds to the Madden‐Julian Oscillation and the Latitudinal Dependence of Their Relations Using MERRA‐2

J Li, X Lu - Geophysical Research Letters, 2021 - Wiley Online Library
Abstract Using 17 years of Modern‐Era Retrospective analysis for Research and
Applications, Version 2 (MERRA‐2) data, significant responses of gravity wave (GW) …

Bias‐eliminating techniques in the computation of power spectra for characterizing gravity waves: Interleaved methods and error analyses

J Jandreau, X Chu - Earth and Space Science, 2024 - Wiley Online Library
Observational data inherently contain noise which manifests as uncertainties in the
measured parameters and creates positive biases or noise floors in second‐order products …

Mesospheric Gravity Wave Potential Energy Density Observed by Rayleigh Lidar above Golmud (36.25 N, 94.54 E), Tibetan Plateau

W Zhao, X Hu, W Pan, Z Yan, W Guo - Atmosphere, 2022 - mdpi.com
Rayleigh lidar data in 2013–2015 is used to describe the characteristics of gravity wave
potential energy density in the mesosphere above Golmud (36.25° N, 94.54° E) of the …

A Statistical Investigation of Inertia Gravity Wave Activity Based on MST Radar Observations at Xianghe (116.9° E, 39.8° N), China

WH Ning, KM Huang, SD Zhang… - Journal of …, 2022 - Wiley Online Library
Using three‐dimensional wind observations from a Mesosphere‐Stratosphere‐Troposphere
radar at Xianghe for two years from September 2011 to August 2013, we study inertia gravity …

Comparison of Three Methodologies for Removal of Random‐Noise‐Induced Biases From Second‐Order Statistical Parameters of Lidar and Radar Measurements

J Jandreau, X Chu - Earth and Space Science, 2022 - Wiley Online Library
Random‐noise‐induced biases are inherent issues to the accurate derivation of second‐
order statistical parameters (eg, variances, fluxes, energy densities, and power spectra) from …

Statistical analysis of the relationship between Quasi-Biennial Oscillation and Southern Annular Mode

FC Vasconcellos, MLL Mattos-Gava, CA Sansigolo - Atmósfera, 2022 - scielo.org.mx
ABSTRACT The Southern Annular Mode (SAM) is an extratropical pattern that influences the
climate of all Southern Hemisphere. However, the variability of this mode is an active area of …

[PDF][PDF] Exploring Antarctic Lidar Measurements to Investigate Gravity Wave Energy Dynamics using New Data Processing Techniques

J Jandreau, X Chu - cedarscience.org
and Background Results Data Discussion of Variability Conclusions References Jackson
Jandreau and Xinzhao Chu, CIRES an Page 1 Abstract and Background Results Data …