Results 1 to 10 of about 58,237 (206)

A case study of a low-level jet during OPALE [PDF]

open access: yesAtmospheric Chemistry and Physics, 2015
A case study of a low-level jet (LLJ) during the OPALE (Oxidant Production over Antarctic Land and its Export) summer campaign is presented. It has been observed at Dome C (East Antarctica) and is simulated accurately by the three-dimensional version of ...
Barral, H.   +7 more
core   +7 more sources

Low Level Jet Wind Shear in the Sahel [PDF]

open access: yesInternational Journal of Engineering Research in Africa, 2014
International audienceIn the Sahel, a vertical wind shear appears in the dry and in the wet seasons. In Niamey, Niger, during the dry season, the period of strong shears is clearly linked to the Nocturnal Low Level Jet (LLJ) since it occurs in a narrow ...
Kebe, Cheikh Fadel   +3 more
core   +3 more sources

A Climatological Analysis of the Benguela Coastal Low‐Level Jet [PDF]

open access: yesJournal of Geophysical Research: Atmospheres, 2018
The Benguela coastal low‐level jet (CLLJ) is characterized by intense winds that occur around 400 m above sea level, within or at the top of the marine atmospheric boundary layer. The semi‐permanent St. Helen high‐pressure system, over the South Atlantic
Semedo, Álvaro   +5 more
core   +3 more sources

Brief communication: On the definition of the low-level jet

open access: yesWind Energy Science, 2023
Abstract. Low-level jets (LLJs) are examples of non-logarithmic wind speed profiles affecting wind turbine power production, wake recovery, and structural/aerodynamic loading. However, there is no consensus regarding which definition should be applied for jet identification. In this study we argue that a shear definition is more relevant to wind energy
Christoffer Hallgren   +6 more
openaire   +5 more sources

The role and characteristics of low-level jet during a persistent rainstorm in Guangxi [PDF]

open access: yes, 2023
In 2022, Guangxi experienced the strongest Dragon Boat Precipitation since the founding of the People's Republic of China. The persistent rainstorm process from 17 June to 22 June 2022 had large accumulations and overlapping falling areas, leading to ...
Yiman HUANG   +4 more
core   +1 more source

CLIMATOLOGY OF THE LOW LEVEL JET

open access: yesMonthly Weather Review, 1968
(Uploaded by Plazi for the Bat Literature Project) Geographical and diurnal variations in the frequency of occurrence of strong low level wind maxima arc detcrmined using 2 yr. of wind data from 47 rawinsonde stations in the United States. Maximum frequency of occurrence is found in the Great Plains at approximately 37'N. and 98"W. The vast majority of
openaire   +3 more sources

Low‐Level Jets and the Convergence of Mars Data Assimilation Algorithms [PDF]

open access: yesJournal of Geophysical Research: Planets, 2022
AbstractData assimilation is an increasingly popular technique in Mars atmospheric science, but its effect on the mean states of the underlying atmosphere models has not been thoroughly examined. The robustness of results to the choice of model and assimilation algorithm also warrants further study.
Todd A. Mooring   +2 more
openaire   +2 more sources

Mesoscale Ascent in Nocturnal Low-Level Jets [PDF]

open access: yesJournal of the Atmospheric Sciences, 2018
A theory for gentle but persistent mesoscale ascent in the lower troposphere is developed in which the vertical motion arises as an inertia–gravity wave response to the sudden decrease of turbulent mixing in a horizontally heterogeneous convective boundary layer (CBL).
Alan Shapiro   +2 more
openaire   +1 more source

Jet energy measurement with the ATLAS detector in proton-proton collisions at root s=7 TeV [PDF]

open access: yes, 2013
The jet energy scale and its systematic uncertainty are determined for jets measured with the ATLAS detector at the LHC in proton-proton collision data at a centre-of-mass energy ofs√=7 TeV corresponding to an integrated luminosity of 38 pb−1.
Kluit, P   +999 more
core   +1 more source

Design and performance of an open jet wind tunnel for aero-acoustic measurement [PDF]

open access: yes, 2009
This paper presents the design and performance of an open jet, blow down wind tunnel that was newly commissioned in the anechoic chamber at the ISVR, University of Southampton, UK. This wind tunnel is intended for the measurement of airfoil trailing edge
Chong, T.P.   +5 more
core   +1 more source

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