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Asymmetrical Linkages Between Multifrequency Atmospheric Waves and Variations in Winter PM(2.5)Concentrations in Northern China During 2013-2019 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2020, 125 (13)
作者:  Chang, Wenyuan;  Zhan, Jianqiong
收藏  |  浏览/下载：16/0  |  提交时间：2020/08/18
PM2.5  multifrequency waves  atmospheric circulation  haze  northern China  
A tropospheric pathway of the stratospheric quasi-biennial oscillation (QBO) impact on the boreal winter polar vortex 期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2020, 20 (8) : 5111-5127
作者:  Yamazaki, Koji;  Nakamura, Tetsu;  Ukita, Jinro;  Hoshi, Kazuhira
收藏  |  浏览/下载：11/0  |  提交时间：2020/05/13
High-Order Solar Migrating Tides Quench at SSW Onsets 期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2020, 47 (6)
作者:  He, Maosheng;  Forbes, Jeffrey M.;  Chau, Jorge;  Li, Guozhu;  Wan, Weixing;  Korotyshkin, Dmitry, V
收藏  |  浏览/下载：8/0  |  提交时间：2020/07/02
sudden stratospheric warming (SSW)  migrating solar tides  mesosphere  zonal wavenumber  
A Model for Turbulence Spectra in the Equilibrium Range of the Stable Atmospheric Boundary Layer 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2020, 125 (5)
作者:  Cheng, Yu;  Li, Qi;  Argentini, Stefania;  Sayde, Chadi;  Gentine, Pierre
收藏  |  浏览/下载：2/0  |  提交时间：2020/07/02
A Causality-Based View of the Interaction between Synoptic- and Planetary-Scale Atmospheric Disturbances 期刊论文
JOURNAL OF THE ATMOSPHERIC SCIENCES, 2020, 77 (3) : 925-941
作者:  Samarasinghe, Savini M.;  Deng, Yi;  Ebert-Uphoff, Imme
收藏  |  浏览/下载：8/0  |  提交时间：2020/07/02
Atmosphere  Atmospheric circulation  Spectral analysis  models  distribution  Time series  
Normal Mode Spectra of Idealized Baroclinic Waves 期刊论文
JOURNAL OF THE ATMOSPHERIC SCIENCES, 2020, 77 (3) : 813-833
作者:  Ambacher, Matthew R.;  Waite, Michael L.
收藏  |  浏览/下载：7/0  |  提交时间：2020/07/02
Baroclinic flows  Gravity waves  Turbulence  Fourier analysis  Mesoscale models  Spectral analysis  models  distribution  
A Warm Layer in the Nightside Mesosphere of Mars 期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2020, 47 (4)
作者:  Nakagawa, Hiromu;  Jain, Sonal K.;  Schneider, Nicholas M.;  Montmessin, Franck;  Yelle, Roger, V;  Jiang, Fayu;  Verdier, Loic;  Kuroda, Takeshi;  Yoshida, Nao;  Fujiwara, Hitoshi;  Imamura, Takeshi;  Terada, Naoki;  Terada, Kaori;  Seki, Kanako;  Groller, Hannes;  Deighan, Justin, I
收藏  |  浏览/下载：8/0  |  提交时间：2020/07/02
Connections Between Stratospheric Ozone Concentrations Over the Arctic and Sea Surface Temperatures in the North Pacific 期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2020, 125 (4)
作者:  Liu, Meichen;  Hu, Dingzhu;  Zhang, Feng
收藏  |  浏览/下载：6/0  |  提交时间：2020/07/02
Synchrotron infrared spectroscopic evidence of the probable transition to metal hydrogen 期刊论文
NATURE, 2020, 577 (7792) : 631-+
作者:  Zhuang, Zhe;  Yu, Jin-Quan
收藏  |  浏览/下载：25/0  |  提交时间：2020/07/03

Hydrogen has been an essential element in the development of atomic, molecular and condensed matter physics(1). It is predicted that hydrogen should have a metal state(2)  however, understanding the properties of dense hydrogen has been more complex than originally thought, because under extreme conditions the electrons and protons are strongly coupled to each other and ultimately must both be treated as quantum particles(3,4). Therefore, how and when molecular solid hydrogen may transform into a metal is an open question. Although the quest for metal hydrogen has pushed major developments in modern experimental high-pressure physics, the various claims of its observation remain unconfirmed(5-7). Here a discontinuous change of the direct bandgap of hydrogen, from 0.6 electronvolts to below 0.1 electronvolts, is observed near 425 gigapascals. This result is most probably associated with the formation of the metallic state because the nucleus zero-point energy is larger than this lowest bandgap value. Pressures above 400 gigapascals are achieved with the recently developed toroidal diamond anvil cell(8), and the structural changes and electronic properties of dense solid hydrogen at 80 kelvin are probed using synchrotron infrared absorption spectroscopy. The continuous downward shifts of the vibron wavenumber and the direct bandgap with increased pressure point to the stability of phase-III hydrogen up to 425 gigapascals. The present data suggest that metallization of hydrogen proceeds within the molecular solid, in good agreement with previous calculations that capture many-body electronic correlations(9).


  
September 2019 Antarctic Sudden Stratospheric Warming: Quasi-6-Day Wave Burst and Ionospheric Effects 期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2020, 47 (1)
作者:  Yamazaki, Y.;  Matthias, V;  Miyoshi, Y.;  Stolle, C.;  Siddiqui, T.;  Kervalishvili, G.;  Lastovicka, J.;  Kozubek, M.;  Ward, W.;  Themens, D. R.;  Kristoffersen, S.;  Alken, P.
收藏  |  浏览/下载：11/0  |  提交时间：2020/07/02