Results 21 to 30 of about 4,157,933 (216)

A Report on Radar Observations of 5-8-day Waves in the Equatorial MLT Region

Journal of the Meteorological Society of Japan. Ser. II, 2006
The MF and Meteor radar observations of horizontal winds over Koto Tabang (0.2°S, 100.3°E), Pontianak (0°, 109.3°E), and Pameungpeuk (7.5°S, 107.5°E) are utilized to study the characteristics of 5-8-day waves in the mesosphere and lower thermosphere (MLT) region over Indonesia.
Sridharan, S., Tsuda, T., Nakamura, T., Vincent, R., Effendy   +4 more
openaire   +3 more sources

On the diurnal variability in F2-region plasma density above the EISCAT Svalbard radar [PDF]

Annales Geophysicae, 2008
Two long runs of EISCAT Svalbard Radar (ESR), in February 2001 and October 2002, have been analysed with respect to variability in the F2 region peak density and altitude.
J. Moen, J. Moen, X. C. Qiu, H. C. Carlson, R. Fujii, I. W. McCrea   +5 more
doaj   +4 more sources

Lagrangian transport experiments in the MLT region [PDF]

Earth, Planets and Space, 2014
In order to evaluate material transports in the upper mesosphere and lower thermosphere (MLT) region, Lagrangian transport experiments are performed using wind fields simulated by the Kyushu University middle atmosphere general circulation model (Miyahara and Miyoshi, 1997; Miyahara et al., 1993). The Lagrangian mean meridional circulation is different
Watanabe, S., Miyahara, S., Miyoshi, Y.
openaire   +1 more source

Source regions for Antarctic MLT non‐migrating semidiurnal tides [PDF]

Geophysical Research Letters, 2009
Source regions for the westward propagating zonal wavenumber one and three components of the semidiurnal tide observed in the summer mesosphere and lower thermosphere over Antarctica are identified by correlating local tidal variations with global planetary wave one activity in the stratosphere and lower mesosphere.
Murphy, D.J., Aso, T., Fritts, D.C., Hibbins, R.E., McDonald, A.J., Riggin, D.M., Tsutsumi, M., Vincent, R.A.   +7 more
openaire   +3 more sources

A comparison of MLT wind between meteor radar chain data and SD-WACCM results

Earth and Planetary Physics, 2022
A meteor radar chain located along the 120°E meridian in the Northern Hemisphere from low to middle latitudes provides long-term horizontal wind observations of the mesosphere and lower thermosphere (MLT) region.
BaoZhu Zhou, XiangHui Xue, Wen Yi, HaiLun Ye, Jie Zeng, JinSong Chen, JianFei Wu, TingDi Chen, XianKang Dou   +8 more
doaj   +1 more source

CLINICAL MORPHOLOGY OF LIVER: MALIGNANT TUMORS

Žurnal Grodnenskogo Gosudarstvennogo Medicinskogo Universiteta, 2018
Background. Among focal lesions of the liver, malignant liver tumors (MLTs) are recorded precisely. According to the WHO, MLTs are the fifth most frequent forms of cancer in men and the seventh in women and rank third among the causes of death from ...
Prokopchik N. I, Tsyrkunov V. M
doaj   +1 more source

Opinion: Recent developments and future directions in studying the mesosphere and lower thermosphere [PDF]

Atmospheric Chemistry and Physics, 2023
This article begins with a review of important advances in the chemistry and related physics of the mesosphere and lower thermosphere (MLT) region of the atmosphere that have occurred over the past 2 decades, since the founding of Atmospheric Chemistry ...
J. M. C. Plane, J. Gumbel, K. S. Kalogerakis, D. R. Marsh, D. R. Marsh, C. von Savigny   +5 more
doaj   +1 more source

Trends in the Airglow Temperatures in the MLT Region—Part 1: Model Simulations [PDF]

Atmosphere, 2020
Airglow intensity-weighted temperature variations induced by the CO2 increase, solar cycle variation (F10.7 as a proxy) and geomagnetic activity (Ap index as a proxy) in the Mesosphere and Lower Thermosphere (MLT) region were simulated to quantitatively assess their influences on airglow temperatures.
Tai-Yin Huang, Michael Vanyo
openaire   +2 more sources

Atmospheric Gravity Wave Derived from the Neutral Wind with 5-Minute Resolution Routinely Retrieved by the Meteor Radar at Mohe

Remote Sensing, 2023
Atmospheric gravity waves (GWs) in the mesosphere-lower thermosphere (MLT) are crucial for the understanding of general circulation. However, their dynamical characteristics are hardly retrieved due to the difficulty in the high-resolution observation of
Chi Long, Tao Yu, Yang-Yi Sun, Xiangxiang Yan, Jian Zhang, Na Yang, Jin Wang, Chunliang Xia, Yu Liang, Hailun Ye   +9 more
doaj   +1 more source

BACE1 Inhibitor, Neuroprotective, and Neuritogenic Activities of Melatonin Derivatives

Scientia Pharmaceutica, 2020
Alzheimer’s disease (AD) is a common chronic neurodegenerative disorders. Melatonin (MLT) has been reported to be neuroprotective agent, and its modified structures exhibit potent antioxidant and anti-inflammation activities.
Panyada Panyatip, Sarin Tadtong, Emília Sousa, Ploenthip Puthongking   +3 more
doaj   +1 more source