Observations of Inertia Gravity Waves in the Western Pacific and Their Characteristic in the 2015/2016 Quasi‐Biennial Oscillation Disruption

et al. 2023

Sci Data

Self Cite

The Martian atmospheric waves perturbation Datasets (MAWPD) version 2.0 is the first observation-based climatology dataset of Martian atmospheric waves. It contains climatology-gridded temperature, gravity waves, and tides spanning the whole Martian year. MAWPD uses the Data INterpolating Empirical Orthogonal Functions method (DINEOF) reconstruction method for data assimilation with the observational data from the Mars Global Surveyor (MGS), Mars Reconnaissance Orbiter (MRO), Mars Atmosphere and Volatile EvolutioN (MAVEN), Mars Pathfinder (MP), Mars Phoenix Lander (MPL), Mars Exploration Rover (MER) and Mars Express (MEX) temperature retrievals. The dataset includes gridded fields of temperature (Level 1 data) as well as the physical quantities of GWs (Level 2 data, amplitude, and potential energies), SPWs and tides (Level 2 data, amplitude, and phase). The MAWPD, based entirely on multiple reliable observations, provides climatological background atmospheric information of temperature and wave disturbances on Mars. The dataset is not only useful for observation-based scientific studies concerning Martian atmospheric waves, e.g., circulation, dust storms, and wave excitation mechanism, but also for cross-validating with model-based datasets or model results.

Section: Methodsmentioning

confidence: 99%

Observation based climatology Martian atmospheric waves perturbation Datasets

Zhang

et al. 2023

Sci Data

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“…This unique configuration of the tropospheric blockings can suppress the upward planetary wave propagation (Kodera et al, 2013;Nishii et al, 2011). In addition, through wave-mean flow interaction, amplified resonant waves are more likely to encounter the critical layer and dissipate before penetrating into the stratosphere (He et al, 2022;Tang et al, 2021). S1 and S2 in Supporting Information S1.…”

Section: The Role Of Resonant Waves On Heat Extremesmentioning

confidence: 99%

Resonant Waves Play an Important Role in the Increasing Heat Waves in Northern Hemisphere Mid‐Latitudes Under Global Warming

Zhu

Geophysical Research Letters

et al. 2023

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“…Each temperature profile was then interpolated at uniform intervals of 0.5 km, to ensure that the data were evenly distributed over the altitude. The temperature perturbations T¢ are due to GWs being obtained by separating the background temperature T ¯from the measured temperature T. This method is widely used for the extraction of atmospheric GW parameters on Earth and Mars (Yiğit et al 2021;He et al 2022;Zhang et al 2023):…”

Section: Procedures For Extracting Gw Perturbations Frommentioning

confidence: 99%

Climatological Gravity Waves in the Middle and Upper Atmosphere of Mars Based on ACS/TGO Observations

Zhu

et al. 2023

ApJ

Gravity waves (GWs) are important for the vertical coupling of the Martian atmosphere. The middle atmosphere is the key region where GWs propagate to the upper thermosphere and generate momentum and energy exchange, but the knowledge of middle-atmosphere GWs is incomplete, due to the lack of observations with the kilometer-scale resolution. We have analyzed the climatology of GW activity in the middle and upper atmosphere of Mars using 20–180 km temperature profiles measured by the Atmospheric Chemistry Suite instrument on board the Trace Gas Orbiter. The results show that the amplitudes of GWs extracted in this study are generally less than 15% and that the centers of the strongest GW activity vary significantly with the seasons. Second, the strongest GW activity in the mesosphere indicates the strong dissipation effects of the mesopause, and the mid-atmospheric GWs show a seasonal pattern that is stronger in the winter hemisphere. During the global dust event of MY34, the enhancement of GWs in the middle atmosphere is most pronounced at low and middle latitudes where the dust storms are active. It is possible that changes in the temperature structure of the middle atmosphere adjust the atmospheric circulation and thus improve the propagation of GWs. Furthermore, GW activity is stronger on the dayside than on the nightside, and there is no significant correlation between amplitudes and background temperature. This suggests a limited role of convective instability in limiting the growth of GWs in the middle atmosphere, with nonlinear damping competing with that of molecular diffusion at different harmonics.