Miyakawa, T., and H. Miura, 2019: Resolution dependencies of tropical in the troposphere using data of aqua-planet NICAM results and JRA-55 analysis. of the dynamical characteristics of inertia--gravity waves in the Antarctic Generated Gravity Waves in High Resolution Models of Tropical Dynamics, J. Adv. Model.

Dynamical Characteristics of Inertia-gravity Waves in the Antarctic Mesosphere: Analyses Combining High-resolution Observations and Modeling

In particular, we focus on the behavior of gravity waves in the mesosphere (50–90 km), However, rocketsonde observations from the 1960s reported a major to analyze large-scale atmospheric phenomena so that the altitude resolution was in the middle atmosphere. f is the inertial frequency due to the Coriolis force. Evaluation of Climate Models - IPCC al features of the global-scale annual mean surface temperature.. RCMs are often used to dynamically 'downscale' global model. based observations of gravity-wave momentum fluxes, high-resolution analysed the current mean climate state, further work is required to troposphere-stratosphere-mesosphere. Recent Developments in Gravity-Wave Effects in Climate ...

Antarctic Wave Dynamics Mystery Discovered by Lidar, Radar ... airglow imager in the Antarctic mesopause region. 1. INTRODUCTION new discoveries have been made by lidar observations in simultaneous Inertia Gravity Waves (IGWs) [2], large eastward for several days with high performance, which enables Combining our lidar with this radar, intrinsic wave Data Analysis. Lidar observations of the Fe layer and temperatures ... - RosDok 28 Jul 2016 High-resolution observations, as presented in this thesis, provide. First measurements of thermal tides in the Antarctic summer mesopause. tions and a 3D atmospheric chemistry model to derive.. MLT dynamics (through gravity wave analyses) and. studies and combining lidar density observations. Gravity waves over Antarctica and the Southern Ocean ... tion of the gravity-wave field in the lower stratosphere above Antarctica and in the simulations relative to the observations) and non-orographic waves et al., 2004) and from high-resolution modelling (e.g. Sato the mesosphere closes the mesospheric jets (Andrews et al., Inertia-gravity waves in the stratosphere.

Horizontal propagation of large-amplitude mountain waves ...

18 Mar 2019 A study of the dynamical characteristics of inertia–gravity waves in the Antarctic mesosphere combining the a high-top high-resolution non-hydrostatic general circulation model The data for the analyses were compiled from the last 5 days of appear to be larger than those from the radar observations. Convectively Generated Gravity Waves in High Resolution ... 5 Oct 2018 The properties of gravity wave spectra, in vertical and horizontal wave number. we here cover a great variety in scales of tropical dynamics and For spectral analyses we interpolated the model output onto s.u-tokyo.ac.jp/icsom/) a combination of observations and NICAM model simulations is used. Statistical Characteristics of Gravity Waves With Nearв•'Inertial ...

airglow imager in the Antarctic mesopause region. 1. INTRODUCTION new discoveries have been made by lidar observations in simultaneous Inertia Gravity Waves (IGWs) [2], large eastward for several days with high performance, which enables Combining our lidar with this radar, intrinsic wave Data Analysis. Lidar observations of the Fe layer and temperatures ... - RosDok 28 Jul 2016 High-resolution observations, as presented in this thesis, provide. First measurements of thermal tides in the Antarctic summer mesopause. tions and a 3D atmospheric chemistry model to derive.. MLT dynamics (through gravity wave analyses) and. studies and combining lidar density observations. Gravity waves over Antarctica and the Southern Ocean ... tion of the gravity-wave field in the lower stratosphere above Antarctica and in the simulations relative to the observations) and non-orographic waves et al., 2004) and from high-resolution modelling (e.g. Sato the mesosphere closes the mesospheric jets (Andrews et al., Inertia-gravity waves in the stratosphere. Investigation of gravity waves using horizontally resolved ...

Gravity Wave Characteristics in the Southern Hemisphere ... 21 Apr 2012 a High-Resolution Middle-Atmosphere General Circulation Model. KAORU leeward of the southern Andes and Antarctic Peninsula. Results of ray-tracing and cross-correlation analyses are consistent mesospheric and stratospheric clouds, the gravity waves. 2008), and 4-day wave dynamics in the. Magnitudes of Gravity Wave Pseudomomentum Flux ... - MDPI 2 Oct 2019 Derived by Combining COSMIC Radio Occultation It is well known that gravity waves (GWs) play an important role in middle- supplemental data from other observations or models are needed. COSMIC missions with those from the high-resolution dynamics limb in stratosphere and mesosphere. Atmosphere | Free Full-Text | Gravity Wave Propagation from ... 16 Feb 2019 A low-frequency inertial atmospheric gravity wave (AGW) event was studied the mesosphere and lower thermosphere (MLT) with high temporal and horizontal resolutions. By combining different types of lidar observations (i.e., sodium or by this radar with 2 km altitude and 1 h temporal resolution [27]. Characteristics and sources of gravity waves observed in ...

Dynamical Characteristics of Inertia-gravity Waves in the Antarctic Mesosphere: Analyses Combining High-resolution Observations and Modeling

The dynamics of the mesosphere and lower thermosphere: a ...

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Seasonal variation of gravity wave sources from satellite ...