Results 21 to 30 of about 48,553 (267)

Universal Wind Profile for Conventionally Neutral Atmospheric Boundary Layers [PDF]

open access: yesPhysical Review Letters, 2021
11 pages, 6 figures, the article has been accepted by Physical Review Letters, see https://journals.aps.org/prl/accepted ...
Luoqin Liu   +2 more
openaire   +3 more sources

Climatology of TEC Longitudinal Difference in Middle Latitudes of East Asia

open access: yesRemote Sensing, 2022
In this paper, a statistical analysis of the diurnal, seasonal and solar cycle variation in the TEC longitudinal difference in midlatitudes of East Asia is presented using CODE GIMs data in 2015–2019. Moreover, the empirical neutral wind model HWM-14 and
Xingxin Sun   +11 more
doaj   +1 more source

Review of ionospheric irregularities and ionospheric electrodynamic coupling in the middle latitude region

open access: yesEarth and Planetary Physics, 2021
This paper briefly reviews ionospheric irregularities that occur in the E and F regions at mid-latitudes. Sporadic E (ES) is a common ionospheric irregularity phenomenon that is first noticed in the E layer.
Yi Liu   +6 more
doaj   +1 more source

Spatial and temporal correlations of thermospheric zonal winds from GOCE satellite observations

open access: yesFrontiers in Astronomy and Space Sciences, 2023
Winds in the thermosphere play an important role in the transport of momentum and energy in the upper atmosphere and affect the composition, dynamics and morphology of the ionospheric plasma.
Ivana Molina, Ludger Scherliess
doaj   +1 more source

Wind-tunnel simulations of wind-turbine arrays in neutral and non-neutral winds

open access: yesJournal of Physics: Conference Series, 2014
Wind tunnel simulations have been made of a neutral atmospheric boundary layer (ABL), a stable layer and an unstable layer, typical of offshore conditions, in order to better understand wake development and turbine-wake interactions. Measurements of the wake of a single turbine showed a slower reduction of the velocity deficit for the stable case, and ...
Hancock, PE, Farr, TD
openaire   +3 more sources

Longitudinal variability of thermospheric zonal winds near dawn and dusk

open access: yesFrontiers in Astronomy and Space Sciences, 2023
Understanding the morphology and dynamics of the thermosphere is key to understanding the Earth’s upper atmosphere as a whole. Thermospheric winds play an important role in this process by transporting momentum and energy and affecting the composition ...
Ivana Molina, Ludger Scherliess
doaj   +1 more source

Neutral winds from protostars

open access: yesThe Astrophysical Journal, 1992
We present Arecibo 21 cm line observations of neutral winds associated with young stellar objects. We confirm the detection of fast neutral winds in HH 7-11 and in L1551. These two winds have been coarsely mapped along the CO outflow direction. For the case of HH 7-11, we find that the maximum velocity declines from 170 km s −1 at the center (SVS 13),
Carlo Giovanardi   +4 more
openaire   +1 more source

Spatiotemporal Evolution and Drivers of the Four Ionospheric Storms over the American Sector during the August 2018 Geomagnetic Storm

open access: yesAtmosphere, 2023
The spatiotemporal variations and mechanisms of the ionospheric storms over the American sector during the August 2018 geomagnetic storm are investigated.
Changzhi Zhai   +3 more
doaj   +1 more source

Roles of thermospheric neutral wind and equatorial electrojet in pre-reversal enhancement, deduced from observations in Southeast Asia

open access: yesEarth and Planetary Physics, 2021
Previous studies have proposed that both the thermospheric neutral wind and the equatorial electrojet (EEJ) near sunset play important roles in the pre-reversal enhancement (PRE) mechanism.
P. Abadi   +7 more
doaj   +1 more source

Oscillations in Neutral Winds Observed by GOCE

open access: yesGeophysical Research Letters, 2020
AbstractThis study explores intra‐annual oscillations (IAOs) in upper thermospheric winds using GOCE cross‐track wind measurements between 70°S and 70°N. Due to the Sun‐synchronous dawn‐dusk orbit of GOCE, the cross‐contamination between seasonality and local time variations in winds is minimal, which makes it a unique space‐based data set to extract ...
Manbharat S. Dhadly   +6 more
openaire   +2 more sources

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