Vertical drift
Impact of disturbance electric fields in the evening on prereversal vertical drift and spread F developments in the equatorial ionosphere
... tical drift obtained from analysis of ROCSAT data by Fejer et ...negative vertical drifts (zonal pene- tration electric field) occurred after sunset and before sun- rise, respectively, suggesting the ...
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The seasonal and solar cycle variations of electron density gradient scale length, vertical drift and layer height during magnetically quiet days: Implications for Spread F over Trivandrum, India
... maximum vertical drift (ob- tained by averaging the vertical drift on the individual days of each season) in the post sunset hours for the magnetically quiet period of solar minimum and ...
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Fast and ultrafast Kelvin wave modulations of the equatorial evening F region vertical drift and spread F development
... PRE vertical drift velocity, which is also in good agreement with the results from our previous investiga- tions (Abdu et ...PRE vertical drift ap- pears to be through the zonal wind ...
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Ionospheric responses to the 21 August 2017 solar eclipse by using data assimilation approach
... by vertical plasma drift, upward (eastward electric field) at the low-latitude region and downward (westward elec- tric field) at the mid-latitude region, ...
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Climatology of the scintillation onset over southern Brazil
... For the purposes of the present work several changes were implemented inside the SAMI2 model in order to verify the long-term behavior of the parameters of interest, e.g., the ionospheric vertical drift and ...
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Effects of the postsunset vertical plasma drift on the generation of equatorial spread F
... threshold vertical drift for ESF occurrence may vary with solar activity and season because the postsunset ver- tical plasma drift depend on ionospheric and thermo- spheric parameters that are ...
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Electrodynamics of ionospheric weather over low latitudes
... PRE vertical drift is responsible also for the struc- turing of the night-time ionosphere into plasma irregu- larities in wide spectrum of scale sizes that can cause severe scintillation (and loss of lock) ...
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Behavior of Non-Thermal Electrons during ECR Pre-Ionization at Aditya Tokamak
... Silicon Drift Detector (SDD) based X-ray spectroscopic diagnostic for the ECR pre-ionization ...of vertical field and pre-filled pressure. With the application of vertical field, energy carried by ...
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Energy based Design as an Alternative Intuitive Criterion to the Drift Criterion
... 10. Leelataviwat, S., Goel, S., and Stojadinovic, B. 2002, “Energy-based Seismic Design of Structures using Yield Mechanism and Target Drift”, Journal of the Structural Division (ASCE), 113, August. 11. Chou CC, ...
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EVALUATION OF SEISMIC BEHAVIOR OF IRREGULAR TUBE BUILDINGS IN TUBE SYSTEMS
... Setbacks in the volume of a building usually arise from the demands of urban design for illumination, proportion, etc. However, in seismic events they are the cause of abrupt changes in stiffness and mass producing a ...
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Effects of heat generation/absorption on natural convection of nanofluids over the vertical plate embedded in a porous medium using drift-flux model
... In this paper, natural convection heat transfer over a vertical plate in a Darcy porous medium saturated with a nanofluid subject to heat generation/absorption was theoretically studied. The governing partial ...
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Planning, Design & Analysis of a Commercial Building with Flat Slab Considering Earthquake Induced Forces using ETABS
... 3.8.2 STOREY DRIFT • Building with aspect ratio 1 have same drift in both the direction • Increase in slenderness ratio Results in increasing maximum storey drift • In case of flat slab [r] ...
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Data Stream Mining Developments and Applications
... distributions and a data stream mining technique must have the capacity to create and dynamically modify mining model to overcome the concept drift. Over the past few decades, researchers have developed various ...
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Study of Wind Analysis on Multi Storey Building for a Regular and Irregular Plans
... Abstract: The present study deals with the wind analysis of G+15 multi-storied structure. the principal wind speed considered is 50m/s. For the investigation the software tool is used, E-TABS 2013 (Extended ...
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Plasma drift waves and instabilities
... a) In Section I we extended the "polarized" co-ordinate system for use in describing the propagation of waves in a collisionless plasma with general density gradients, temperature gradients both parallel and ...
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Agrichemical spray drift and odour
... spray drift from the use of insecticides in kiwifruit orchards, reported that small amounts of very odorous yet low toxicity impurities present in the spray formulations were responsible for the strong and ...
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How Much Do Adjuvant and Nozzles Models Reduce the Spraying Drift? Drift in Agricultural Spraying
... From the information generated by the Mastersizer software, the volumetric mean diameter (VMD), the coefficient of uniformity (Span) and the percentage of droplet volume with the size smaller than 100 μm (<100 μm) ...
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F.D.R. Leader in a Time of Drift
... That there are scores of replies to this letter (almost all wish- ing F. well in his New York gubernatorial race) indicates that it was well received. Furthermore, in Noverrlber and De- [r] ...
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An Explication of the Causal Dimension of Drift
... characterizes drift as he does (Brandon [2005], ...or drift dt, associated with the individuals born in year t, due to chance deviations in viability and fertility’ (Hill [1972], ...of drift at least ...
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Modeling the Drift of Earth's Continents
... The founder of modern paleontology and geology, Melchior Neumayr, called the motion of the Earth's continents as a drift. This name accurately reflects the existing ideas about the origin and development of ...
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