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Journal articles on the topic 'Drift currents'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Mao, Yadan, and Malcolm L. Heron. "The Influence of Fetch on the Response of Surface Currents to Wind Studied by HF Ocean Surface Radar." Journal of Physical Oceanography 38, no. 5 (2008): 1107–21. http://dx.doi.org/10.1175/2007jpo3709.1.

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Abstract The momentum transfer from wind to sea generates surface currents through both the wind shear stress and the Stokes drift induced by waves. This paper addresses issues in the interpretation of HF radar measurements of surface currents and momentum transfer from air to sea. Surface current data over a 30-day period from HF ocean surface radar are used to study the response of surface currents to wind. Two periods of relatively constant wind are identified—one for the short-fetch condition and the other for the long-fetch condition. Results suggest that the ratio of surface current spee

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2

Imai, Yuki, Junichi Ninomiya, and Nobuhito Mori. "IMPACT OF RANDOM WAVE SPECTRA ON STOKES DRIFT IN COASTAL CURRENT MODELING." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 1. http://dx.doi.org/10.9753/icce.v36.currents.1.

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The wave-induced velocity, known commonly as Stokes drift, plays an important role on upper ocean current system. However, in general, the depth profile tends to be estimated using a regular wave approximation like calculation from significant wave height in order to simplify the modeling. Breivik et al. (2014) proposed an improved Stokes drift profile to considering random waves but discussed limited to deep water. This study proposes a novel treatment of Stokes drift on random waves to consider full directional spectra and the approximated treatment is introduced into coupled ocean-wave mode

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3

Nakamura, Tomoaki, Norimi Mizutani, and Yasuhiro Wakamatsu. "STUDY ON DRIFT BEHAVIOR OF CONTAINER ON APRON DUE TO TSUNAMI-INDUCED INCOMING AND RETURN FLOW." Coastal Engineering Proceedings 1, no. 33 (2012): 16. http://dx.doi.org/10.9753/icce.v33.currents.16.

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The drift behavior of a shipping container on an apron resulting from a tsunami-induced incoming flow and subsequent return flow is investigated using hydraulic experiments and numerical simulations. Experimental and numerical results show that the container initially set parallel to a quay wall can fall into the sea when the relative overflow height of an incident tsunami is large regardless of the relative initial position of the container. This suggests that it is not always effective to shelter containers near the seawall before large tsunamis. In addition, it is not evident that the conta

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4

Lee, Kwang-Ho, Tag-Gyeom Kim, and Yong-Hwan Cho. "Influence of Tidal Current, Wind, and Wave in Hebei Spirit Oil Spill Modeling." Journal of Marine Science and Engineering 8, no. 2 (2020): 69. http://dx.doi.org/10.3390/jmse8020069.

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The purpose of this study is to investigate the effects of three external forces (tidal current, wind, and waves) on the movement of oil spilled during the Hebei Spirit oil spill accident. The diffusion of the spilled oil was simulated by using a random walk (RW) model that tracks the movement caused by advection-diffusion assuming oil as particles. For oil simulation, the wind drift current generated by wind and tidal current fields were computed by using the environmental fluid dynamics code (EFDC) model. Next, the wave fields were simulated by using the simulating waves nearshore (SWAN) mod

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5

Rossnagel, S. M., and H. R. Kaufman. "Induced drift currents in circular planar magnetrons." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 5, no. 1 (1987): 88–91. http://dx.doi.org/10.1116/1.574822.

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6

Weber, Jan Erik H. "Equatorial Stokes drift and Rossby rip currents." Journal of Geophysical Research: Oceans 122, no. 6 (2017): 4819–28. http://dx.doi.org/10.1002/2016jc012653.

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7

Shevchenko, Georgy V., Alexander B. Rabinovich, and Richard E. Thomson. "Sea-Ice Drift on the Northeastern Shelf of Sakhalin Island." Journal of Physical Oceanography 34, no. 11 (2004): 2470–91. http://dx.doi.org/10.1175/jpo2632.1.

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Abstract Ice-drift velocity records from coastal radar stations, combined with data from moored current meters and coastal wind stations, are used to examine sea-ice motion off the northeastern coast of Sakhalin Island in the Sea of Okhotsk. Ice motion is shown to be governed primarily by diurnal tidal currents and wind-induced drift, which explain 92%–95% of the total ice-drift variance. Diurnal tidal motions predominate off the northern Sakhalin coast, accounting for 65%–80% of the variance, while low-frequency wind-induced motions prevail off the south-central coast, accounting for over 91%

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8

Vyas, B. M., and R. Pandey. "Night-time F-region and daytime E-region ionospheric drifts measured at Udaipur during solar flares." Annales Geophysicae 20, no. 11 (2002): 1837–42. http://dx.doi.org/10.5194/angeo-20-1837-2002.

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Abstract. Ionospheric drifts measured at a low latitude station, Udaipur (Geomag. Lat. 14.5° N), in the night-time F-region and daytime E-region during solar flares have been studied. The night-time observations, which correspond to the F-region drifts, were carried out on five different nights. The daytime observation corresponding to the E-region drifts is only for one day. It is found that the apparent drift during the solar flare period is reduced considerably, in the daytime E-region as well as in the night-time F-region. The East-West and North-South components of the apparent drift spee

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9

Sokolov, Andrei, and Boris Chubarenko. "Wind Influence on the Formation of Nearshore Currents in the Southern Baltic: Numerical Modelling Results." Archives of Hydro-Engineering and Environmental Mechanics 59, no. 1-2 (2012): 37–48. http://dx.doi.org/10.2478/v10203-012-0003-3.

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Abstract A two-dimensional numerical model was used for a simulation of vertical average longshore currents generated by both wind friction and wind-wave action in the nearshore zone. The modelling domain includes the southern part of the Baltic Proper (all boundaries were closed). Wind, uniform in space and varying in time, was the only forcing in the model. The correlation coefficient higher than 0.8 was obtained by model calibration versus the field measurements of currents conducted at the Lubiatowo field station (southern Baltic) during about 1.5 months in 2006. Comparative simulations of

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10

Smith, Jerome A. "Observed Variability of Ocean Wave Stokes Drift, and the Eulerian Response to Passing Groups." Journal of Physical Oceanography 36, no. 7 (2006): 1381–402. http://dx.doi.org/10.1175/jpo2910.1.

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Abstract Waves and currents interact via exchanges of mass and momentum. The mass and momentum fluxes associated with surface waves are closely linked to their Stokes drift. Both the variability of the Stokes drift and the corresponding response of the underlying flow are important in a wide range of contexts. Three methods are developed and implemented to evaluate Stokes drift from a recently gathered oceanic dataset, involving surface velocities measured continually over an area 1.5 km in radius by 45°. The estimated Stokes drift varies significantly, in line with the occurrence of compact w

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11

Idrish Miah, M. "Spin drift and spin diffusion currents in semiconductors." Science and Technology of Advanced Materials 9, no. 3 (2008): 035014. http://dx.doi.org/10.1088/1468-6996/9/3/035014.

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12

Nof, Doron. "The β-induced drift of separated boundary currents". Deep Sea Research Part I: Oceanographic Research Papers 40, № 11-12 (1993): 2243–57. http://dx.doi.org/10.1016/0967-0637(93)90102-9.

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13

Oppenheim, M. "Evidence and effects of a wave-driven nonlinear current in the equatorial electrojet." Annales Geophysicae 15, no. 7 (1997): 899–907. http://dx.doi.org/10.1007/s00585-997-0899-z.

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Abstract. Ionospheric two-stream waves and gradient-drift waves nonlinearly drive a large-scale (D.C.) current in the E-region ionosphere. This current flows parallel to, and with a comparable magnitude to, the fundamental Pedersen current. Evidence for the existence and magnitude of wave-driven currents derives from a theoretical understanding of E-region waves, supported by a series of nonlinear 2D simulations of two-stream waves and by data collected by rocket instruments in the equatorial electrojet. Wave-driven currents will modify the large-scale dynamics of the equatorial electrojet dur

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14

Chavanne, Cédric. "Do High-Frequency Radars Measure the Wave-Induced Stokes Drift?" Journal of Atmospheric and Oceanic Technology 35, no. 5 (2018): 1023–31. http://dx.doi.org/10.1175/jtech-d-17-0099.1.

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ABSTRACTHigh-frequency (HF) radars remotely measure ocean near-surface currents based on the Doppler shift of electromagnetic waves backscattered by surface gravity waves with half the electromagnetic wavelength, called Bragg waves. Since their phase velocity is affected not only by wave–current interactions with vertically sheared mean Eulerian currents but also by wave–wave interactions with all the other waves present at the sea surface, HF radars should measure a quantity related to the Stokes drift in addition to mean Eulerian currents. However, the literature is inconsistent—both theoret

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15

Fuhrmann, A., I. A. Kane, M. A. Clare, et al. "Hybrid turbidite-drift channel complexes: An integrated multiscale model." Geology 48, no. 6 (2020): 562–68. http://dx.doi.org/10.1130/g47179.1.

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Abstract The interaction of deep-marine bottom currents with episodic, unsteady sediment gravity flows affects global sediment transport, forms climate archives, and controls the evolution of continental slopes. Despite their importance, contradictory hypotheses for reconstructing past flow regimes have arisen from a paucity of studies and the lack of direct monitoring of such hybrid systems. Here, we address this controversy by analyzing deposits, high-resolution seafloor data, and near-bed current measurements from two sites where eastward-flowing gravity flows interact(ed) with northward-fl

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16

Polnikov, Vladislav, Fangli Qiao, and Hongyu Ma. "Surface Drift Currents Induced by Waves and Wind in a Large Tank." Journal of Physical Oceanography 50, no. 10 (2020): 3063–73. http://dx.doi.org/10.1175/jpo-d-20-0009.1.

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AbstractThe empirical features of surface drift currents induced by both mechanical and wind waves are presented. The measurements were made by using surface floats in a large tank with dimensions of 32.5 × 1 × 2 m3. Three cases were studied: (i) regular (narrowband) mechanical waves, (ii) irregular (wideband) mechanical waves, and (iii) wind waves. The measured surface drift currents induced by mechanical waves Ud are compared with the Stokes drift at the surface USt estimated by a well-known formula with an integral over the wave spectrum. In this case, the ratio Ud/USt varies in the range o

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17

Nakayama, Keisuke, Tetsuya Shintani, Taro Kakinuma, et al. "INFLUENCE OF STOKES DRIFT ON SALT WEDGE INTRUSION EVALUATED USING FULLY-NONLINEAR AND STRONGLY-DISPERSIVE WAVE EQUATIONS." Coastal Engineering Proceedings 1, no. 32 (2011): 34. http://dx.doi.org/10.9753/icce.v32.currents.34.

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This paper describes the influence of surface waves on salt-wedge intrusion in terms of radiation stress. Radiation stress may increase salt-wedge intrusion when surface waves propagate up a river. This study thus aims to reveal the effect of radiation stress on the distance of salt-wedge intrusion by using fully nonlinear strongly dispersive internal wave equations and three-dimensional numerical computation model, Fantom3D. Fully nonlinear strongly dispersive internal wave model reveals the possibility that large radiation stress is induced near the river mouth and increases the distance of

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18

Polnikov, Vladislav. "A Semi-phenomenological Model for Wind-Induced Drift Currents." Boundary-Layer Meteorology 172, no. 3 (2019): 417–33. http://dx.doi.org/10.1007/s10546-019-00456-1.

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19

Tamtare, T., D. Dumont, and C. Chavanne. "Extrapolating Eulerian ocean currents for improving surface drift forecasts." Journal of Operational Oceanography 14, no. 1 (2019): 71–85. http://dx.doi.org/10.1080/1755876x.2019.1661564.

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20

Bufferand, H., C. Baudoin, J. Bucalossi, et al. "Implementation of drift velocities and currents in SOLEDGE2D–EIRENE." Nuclear Materials and Energy 12 (August 2017): 852–57. http://dx.doi.org/10.1016/j.nme.2016.11.031.

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21

Brandt, Christian, Olaf Grulke, and Thomas Klinger. "Nonlinear interaction of drift waves with driven plasma currents." Physics of Plasmas 17, no. 3 (2010): 032304. http://dx.doi.org/10.1063/1.3328820.

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22

Ghaffari, Peygham, and Jan Erik H. Weber. "Mass Transport in the Stokes Edge Wave for Constant Arbitrary Bottom Slope in a Rotating Ocean." Journal of Physical Oceanography 44, no. 4 (2014): 1161–74. http://dx.doi.org/10.1175/jpo-d-13-0171.1.

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Abstract The Lagrangian mass transport in the Stokes surface edge wave is obtained from the vertically integrated equations of momentum and mass in a viscous rotating ocean, correct to the second order in wave steepness. The analysis is valid for bottom slope angles β in the interval 0 &lt; β ≤ π/2. Vertically averaged drift currents are obtained by dividing the fluxes by the local depth. The Lagrangian mean current is composed of a Stokes drift (inherent in the waves) plus a mean Eulerian drift current. The latter arises as a balance between the radiation stresses, the Coriolis force, and

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23

Reolid, Jesús, Christian Betzler, Or M. Bialik, and Nicolas Waldman. "Lenticular-bedding-like bioturbation and the onshore recognition of carbonate drifts (Oligocene, Cyprus)." Journal of Sedimentary Research 90, no. 12 (2020): 1667–77. http://dx.doi.org/10.2110/jsr.2020.70.

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ABSTRACT The fine-grained carbonate deposits of the Oligocene to early Miocene of Cyprus are the most characteristic example of onshore outcropping carbonate drifts. These deposits were analyzed from a sedimentological and ichnological perspective, in order to determine the origin of the lenticular bedding characteristic of such deposits. The facies at the two study sections, Tsada and Petra Tou Romiou, consist of an alternation of thin, poorly cemented, intensely bioturbated marly limestone intervals and thick cemented wackestone intervals with abundant bioturbation and “lenticular bedding.”

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24

Ghaffari, Peygham, Jan Erik H. Weber, Ole Anders Nøst, and Magnus Drivdal. "Stokes Drift in Topographic Waves over an Enclosed Basin Shelf." Journal of Physical Oceanography 50, no. 5 (2020): 1197–211. http://dx.doi.org/10.1175/jpo-d-19-0126.1.

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AbstractThe effect of the continental shelf wave on the flow field over the southern shelf of the Caspian Sea (CS) as the largest enclosed basin of the world, is investigated. Considerable currents with subinertial time scales are observed over the continental shelf in the southern CS. For variations in the surface layer with typical periods of 1 day, local episodic wind events appear to be the driving force. For longer time scales, it is suggested that the observed currents are due to passing continental shelf waves. Measurements over the continental shelf and shelf slope, showing periods of

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25

Bakerenkov, A. S., V. S. Pershenkov, A. V. Solomatin, V. V. Belyakov, and V. V. Shurenkov. "Radiation Degradation Modeling of Bipolar Operational Amplifier Input Offset Voltage in LTSpice IV." Applied Mechanics and Materials 565 (June 2014): 138–41. http://dx.doi.org/10.4028/www.scientific.net/amm.565.138.

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Integrated circuits are used in electronic equipment of spaceships. Therefore, they are impacted by ionizing radiation during space mission. It leads to electronic equipment failures. At present operational amplifiers are base elements of analog electronic devices. Radiation impact leads to degradation of operational amplifiers input stages. Input bias current increasing and input offset voltage drifts are the results of ionizing radiation expose of operational amplifiers. Therefore, space application electronic equipment fails after accumulation of limit dose. It isn’t difficult to estimate r

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26

Park, J., and H. Lühr. "Relation of zonal plasma drift and wind in the equatorial F region as derived from CHAMP observations." Annales Geophysicae 31, no. 6 (2013): 1035–44. http://dx.doi.org/10.5194/angeo-31-1035-2013.

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Abstract. In this paper we estimate zonal plasma drift in the equatorial ionospheric F region without counting on ion drift meters. From June 2001 to June 2004 zonal plasma drift velocity is estimated from electron, neutral, and magnetic field observations of Challenging Mini-satellite Payload (CHAMP) in the 09:00–20:00 LT sector. The estimated velocities are validated against ion drift measurements by the Republic of China Satellite-1/Ionospheric Plasma and Electrodynamics Instrument (ROCSAT-1/IPEI) during the same period. The correlation between the CHAMP (altitude ~ 400 km) estimates and RO

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27

Bruun, Per. "LONGSHORE CURRENTS IN ONE AND MULTI-BAR PROFILES RELATION TO LITTORAL DRIFT." Coastal Engineering Proceedings 1, no. 8 (2011): 15. http://dx.doi.org/10.9753/icce.v8.15.

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This paper deals with longshore current theories. Introductorily it gives a brief review of wave theories for breaking waves including theoretical, laboratory as well as field results. Next the longshore current theory based on the momentum inflow over a uniformly sloping beach and bottom (Putnam, Munk and Traylor, 1949) is discussed with special reference to its friction factor. The following chapters deal with two new longshore current theories - both based on the continuity principle. One of them called the rip current approach assumes that all water thrown in by wave breaking runs out in r

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28

Usoltsev, Igor I., Talgat R. Kilmatov, and Aleksander N. Vrazhkin. "Analysis and forecast of the surface currents in the Okhotsk Sea on the base of observations on drift of buoys." Izvestiya TINRO 189, no. 2 (2017): 131–38. http://dx.doi.org/10.26428/1606-9919-2017-189-131-138.

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Data of observations on drifting buoys in the western Okhotsk Sea are presented. Quasi-stochastic mode of the buoys drift under forcing of atmospheric cyclone is noted. The drift is analyzed jointly with analysis of the wind field and the sea surface satellite altimetry. The buoy drift trajectories are modeled under separate influence of the wind-driven and geostrophic flows. There is concluded that both wind-driven and geostrophic currents at the sea surface should be accounted for forecasting of drift for buoys or any floating objects.

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29

Doblin, Martina A., and Erik van Sebille. "Drift in ocean currents impacts intergenerational microbial exposure to temperature." Proceedings of the National Academy of Sciences 113, no. 20 (2016): 5700–5705. http://dx.doi.org/10.1073/pnas.1521093113.

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Microbes are the foundation of marine ecosystems [Falkowski PG, Fenchel T, Delong EF (2008) Science 320(5879):1034–1039]. Until now, the analytical framework for understanding the implications of ocean warming on microbes has not considered thermal exposure during transport in dynamic seascapes, implying that our current view of change for these critical organisms may be inaccurate. Here we show that upper-ocean microbes experience along-trajectory temperature variability up to 10 °C greater than seasonal fluctuations estimated in a static frame, and that this variability depends strongly on l

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30

De Keyser, J., and M. Echim. "Auroral and sub-auroral phenomena: an electrostatic picture." Annales Geophysicae 28, no. 2 (2010): 633–50. http://dx.doi.org/10.5194/angeo-28-633-2010.

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Abstract. Many auroral and sub-auroral phenomena are manifestations of an underlying magnetosphere-ionosphere coupling. In the electrostatic perspective the associated auroral current circuit describes how the generator (often in the magnetosphere) is connected to the load (often in the ionosphere) through field-aligned currents. The present paper examines the generic properties of the current continuity equation that characterizes the auroral circuit. The physical role of the various elements of the current circuit is illustrated by considering a number of magnetospheric configurations, vario

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31

SUMI, Hirokazu, and Akira WADA. "EXAMINATION OF NEARSHORE CURRENTS AND LITTORAL DRIFT AROUND ARTIFICIAL REEF." PROCEEDINGS OF HYDRAULIC ENGINEERING 42 (1998): 1117–22. http://dx.doi.org/10.2208/prohe.42.1117.

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32

Nerheim, Signild, and Anders Stigebrandt. "On the Influence of Buoyancy Fluxes on Wind Drift Currents." Journal of Physical Oceanography 36, no. 8 (2006): 1591–604. http://dx.doi.org/10.1175/jpo2928.1.

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Abstract Data from a moored buoy in the Baltic proper have been analyzed to study the ageostrophic wind-driven (Ekman) transport accounting for buoyancy fluxes in a stratified ocean. A model considering different dynamical regimes governed by wind stress τ, buoyancy fluxes, stratification, and rotation is used to determine the thickness of the mixed layer. For shallow layers in the regime of positive buoyancy fluxes (35% of the time) a transport of about 0.77τ/ρf directed about 30° to the right of the wind is observed. This is far from 1.0τ/ρf and 90°, given by the classical Ekman solution for

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33

Algora del Valle, C., M. Sancho Ruiz, and G. Martínez López. "Drift‐diffusion model for absorption and resorption currents in polymers." Journal of Applied Physics 61, no. 9 (1987): 4571–78. http://dx.doi.org/10.1063/1.338390.

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34

Christensen, Kai Haakon. "Transient and steady drift currents in waves damped by surfactants." Physics of Fluids 17, no. 4 (2005): 042102. http://dx.doi.org/10.1063/1.1872112.

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35

Masuda, Shuhei, Nozomi Sugiura, Satoshi Osafune, and Toshimasa Doi. "Improvement of Ocean State Estimation by Assimilating Mapped Argo Drift Data." Scientific World Journal 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/975618.

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We investigated the impact of assimilating a mapped dataset of subsurface ocean currents into an ocean state estimation. We carried out two global ocean state estimations from 2000 to 2007 using the K7 four-dimensional variational data synthesis system, one of which included an additional map of climatological geostrophic currents estimated from the global set of Argo floats. We assessed the representativeness of the volume transport in the two exercises. The assimilation of Argo ocean current data at only one level, 1000 dbar depth, had subtle impacts on the estimated volume transports, which

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36

Тандоев, А. Г., Т. Т. Мнацаканов та С. Н. Юрков. "Мощные диоды Шоттки с участком отрицательного дифференциального сопротивления на вольт-амперной характеристике". Физика и техника полупроводников 55, № 1 (2021): 75. http://dx.doi.org/10.21883/ftp.2021.01.50390.9521.

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It is shown that at high current densities the carrier transport in base layer of Schottky diodes in addition to commonly accepted diffusive and drift currents is defined by recently discovered diffusion stimulated by quasi-neutral drift (DSQD). The influence of this recently discovered component of current on current-voltage characteristics of Schottky diode has been investigated. It was shown that in case if the ratio of base width $W$ to ambipolar diffusive length $L$ is higher than 1 ($W/L>1$) a part with negative differential resistance appears on the current-voltage characteristics of

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37

Gatter, Ricarda, Michael A. Clare, James E. Hunt, et al. "A multi-disciplinary investigation of the AFEN Slide: the relationship between contourites and submarine landslides." Geological Society, London, Special Publications 500, no. 1 (2020): 173–93. http://dx.doi.org/10.1144/sp500-2019-184.

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AbstractContourite drifts are sediment deposits formed by ocean bottom currents on continental slopes worldwide. Although it has become increasingly apparent that contourites are often prone to slope failure, the physical controls on slope instability remain unclear. This study presents high-resolution sedimentological, geochemical and geotechnical analyses of sediments to better understand the physical controls on slope failure that occurred within a sheeted contourite drift within the Faroe–Shetland Channel. We aim to identify and characterize the failure plane of the late Quaternary landsli

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38

Yasuda, Hidekazu. "Transient wind drift currents in a tidal inlet: Theoretical analysis of Ekman drift current and field experiments in Suonada, the Seto Inland Sea." Journal of Oceanography 65, no. 4 (2009): 455–76. http://dx.doi.org/10.1007/s10872-009-0040-x.

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39

Pearson, Brodie. "Turbulence-Induced Anti-Stokes Flow and the Resulting Limitations of Large-Eddy Simulation." Journal of Physical Oceanography 48, no. 1 (2018): 117–22. http://dx.doi.org/10.1175/jpo-d-17-0208.1.

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AbstractThis study shows that the presence of Stokes drift us in the turbulent upper ocean induces a near-surface Eulerian current that opposes the Stokes drift. This current is distinct from previously studied anti-Stokes currents because it does not rely on the presence of planetary rotation or mean lateral gradients. Instead, the anti-Stokes flow arises from an interaction between the Stokes drift and turbulence. The new anti-Stokes flow is antiparallel to us near the ocean surface, is parallel to us at depth, and integrates to zero over the depth of the boundary layer. The presence of Stok

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40

Sauvage, M. G., and M. G. Vincent. "LITTORAL DRIFT FORMATION OF SPITS AND TOMBOLOS." Coastal Engineering Proceedings 1, no. 5 (2011): 22. http://dx.doi.org/10.9753/icce.v5.22.

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This paper, entirely devoted to the study of phenomena connected with the evolution of sand banks, is introduced by a rapid survey of a few basic ideas about littoral drift; we point out the fundamental role of wave currents and more particularly of the currents caused by breaking waves.   We have attempted to determine the influence on littoral drift of such factors as: the wave characteristics, the wave steepness, the inclination of the wave crests breaking onto the beach, the nature of the beach material. The few experimental results given need to be completed and then compared

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41

Mak, D. K. "Carrier Concentrations and Drift Currents in the Depletion Region of a p–n Junction." Surface Review and Letters 10, no. 04 (2003): 649–60. http://dx.doi.org/10.1142/s0218625x03005360.

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It has always been stated in electronics, semiconductor and solid state device textbooks that the hole drift and electron drift currents in the depletion region of a p–n junction are constant and independent of applied voltage (biasing). However, the explanations given are qualitative and unclear. We extrapolate the existing analytic theory of a p–n junction to give a quantitative explanation of why the currents are constant. We have also shown that the carrier concentrations in the depletion region, as depicted in some of the textbooks, are incorrect, and need to be revised. Our calculations

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42

Turchetti, C., and G. Masetti. "Analysis of the depletion-mode MOSFET including diffusion and drift currents." IEEE Transactions on Electron Devices 32, no. 4 (1985): 773–82. http://dx.doi.org/10.1109/t-ed.1985.22019.

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Rogachev, N. A., B. T. Kolomiets, and N. P. Kalmykova. "Diffusion and drift currents in heterojunction by crystalline and amorphous semiconductors." Journal of Non-Crystalline Solids 77-78 (December 1985): 1261–64. http://dx.doi.org/10.1016/0022-3093(85)90887-7.

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ABO ZED, ABO BAKER I. "Effects of waves and currents on the siltation problem of Damietta harbour, Nile Delta coast, Egypt." Mediterranean Marine Science 8, no. 2 (2007): 33. http://dx.doi.org/10.12681/mms.152.

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This study evaluates the effect of prevailing dynamic factors on the sedimentation process in Damietta Harbour along the Nile delta coast of Egypt. The monitoring program spanned the period between 1978 and 1999 and included measurements of waves, currents and bathymetric profiles. The evaluation was based on determination of erosion and accretion rates, current regime, sediment transport, wave characteristics and wave refraction. Results revealed that the predominant wave direction from N-NW sector (86 %) throughout the year is responsible for generation of a longshore eastward current. Less

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Robinson, T. O., I. Eames, and R. Simons. "Dense gravity currents moving beneath progressive free-surface water waves." Journal of Fluid Mechanics 725 (May 23, 2013): 588–610. http://dx.doi.org/10.1017/jfm.2013.112.

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AbstractThe characteristics of dense gravity currents in coastal regions, where free-surface gravity waves are dominant, have yet to be studied in the laboratory. This paper provides a first insight into the dynamics of dense saline gravity currents moving beneath regular progressive free-surface water waves. The gravity currents were generated by releasing a finite volume of saline into a large wave tank with an established periodic wave field. After the initial collapse, the gravity currents propagated horizontally with two fronts, one propagating in the wave direction and the other against

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Melsom, Arne, and Øyvind SÆtra. "Effects of Wave Breaking on the Near-Surface Profiles of Velocity and Turbulent Kinetic Energy." Journal of Physical Oceanography 34, no. 2 (2004): 490–504. http://dx.doi.org/10.1175/2496.1.

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Abstract A theoretical model for the near-surface velocity profile in the presence of breaking waves is presented. Momentum is accumulated by growing waves and is released upon wave breaking. In effect, such a transition is a process involving a time-dependent surface stress acting on the mean current. In this paper, conventional theory for the Stokes drift is expanded to fourth-order accuracy in wave steepness. It is shown that the higher-order terms lead to an enhancement of the surface Stokes drift and a slight retardation of the Stokes volume flux. Furthermore, the results from the wave th

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Iwamoto, Naoya, Shinobu Onoda, Takeshi Ohshima, K. Kojima, and K. Kawano. "Transient Currents Induced in 6H-SiC MOS Capacitors by Oxygen Ion Incidence." Materials Science Forum 615-617 (March 2009): 517–20. http://dx.doi.org/10.4028/www.scientific.net/msf.615-617.517.

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Single event transient currents induced in 6H-SiC MOS capacitors are measured by using oxygen ions. Charges collected from the samples are calculated by the transient currents. Applying the drift-diffusion model to the charges, the diffusion length of electron is estimated. Transient currents induced in the gamma ray irradiated MOS capacitors are also investigated. No significant change in the transient currents is observed after gamma ray irradiation.

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Ryu, Sei Hyung, Fatima Husna, Sarah K. Haney, Qing Chun Jon Zhang, Robert E. Stahlbush, and Anant K. Agarwal. "Effect of Recombination-Induced Stacking Faults on Majority Carrier Conduction and Reverse Leakage Current on 10 kV SiC DMOSFETs." Materials Science Forum 600-603 (September 2008): 1127–30. http://dx.doi.org/10.4028/www.scientific.net/msf.600-603.1127.

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This paper presents the effect of recombination-induced stacking faults on the drift based forward conduction and leakage currents of high voltage 4H-SiC power devices. To show the effects, IV characteristics of a 4H-SiC 10 kV DMOSFET and a 4H-SiC 4 kV BJT have been evaluated before and after the induction of stacking faults in the drift epilayer. For both devices, significant increases in forward voltage drops, as well as marked increases in leakage currents have been observed. The results suggest that injection of minority carriers in majority carrier devices should be avoided at all times.

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PHILLIPS, W. R. C., A. DAI, and K. K. TJAN. "On Lagrangian drift in shallow-water waves on moderate shear." Journal of Fluid Mechanics 660 (July 16, 2010): 221–39. http://dx.doi.org/10.1017/s0022112010002648.

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The Lagrangian drift in anO(ϵ) monochromatic wave field on a shear flow, whose characteristic velocity isO(ϵ) smaller than the phase velocity of the waves, is considered. It is found that although shear has only a minor influence on drift in deep-water waves, its influence becomes increasingly important as the depth decreases, to the point that it plays a significant role in shallow-water waves. Details of the shear flow likewise affect the drift. Because of this, two temporal cases common in coastal waters are studied, viz. stress-induced shear, as would arise were the boundary layer wind-dri

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Pudsey, Carol J., and Angelo Camerlenghi. "Glacial–interglacial deposition on a sediment drift on the Pacific margin of the Antarctic Peninsula." Antarctic Science 10, no. 3 (1998): 286–308. http://dx.doi.org/10.1017/s0954102098000376.

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On the continental rise west of the Antarctic Peninsula there are nine large mounds interpreted as sediment drifts, separated by turbidity current channels. Drift 7 is 150 km long, 70 km wide and up to 700 m high and is asymmetric, with steep sides on the south-east (towards the continent) and south-west, and gentle slopes to north-west and north-east. Cores on the gentle sides of the drift show a cyclicity between brown, bioturbated, diatom-bearing mud with foraminifera and radiolarians, and grey, laminated, barren mud. Biostratigraphic evidence is consistent with a Late Quatermary age. Detai

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