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Artículos de revistas sobre el tema "Wind mixing"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 19 de febrero de 2022

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1

Largeron, Yann, Chantal Staquet, and Charles Chemel. "Turbulent mixing in a katabatic wind under stable conditions." Meteorologische Zeitschrift 19, no. 5 (October 1, 2010): 467–80. http://dx.doi.org/10.1127/0941-2948/2010/0346.

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2

Atkinson, J. F., and D. R. F. Harleman. "Wind-mixing experiments for solar ponds." Solar Energy 38, no. 6 (1987): 389–403. http://dx.doi.org/10.1016/0038-092x(87)90020-x.

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3

Chen, Shih-Nan, and Lawrence P. Sanford. "Axial Wind Effects on Stratification and Longitudinal Salt Transport in an Idealized, Partially Mixed Estuary*." Journal of Physical Oceanography 39, no. 8 (August 1, 2009): 1905–20. http://dx.doi.org/10.1175/2009jpo4016.1.

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Abstract A 3D hydrodynamic model [Regional Ocean Model System (ROMS)] is used to investigate how axial wind influences stratification and to explore the associated longitudinal salt transport in partially mixed estuaries. The model is configured to represent a straight estuarine channel connecting to a shelf sea. The results confirm that wind straining of the along-channel salinity gradient exerts an important control on stratification. Two governing parameters are identified: the Wedderburn number (W) defined as the ratio of wind stress to axial baroclinic pressure gradient force, and the rat

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4

Hetland, Robert D. "Relating River Plume Structure to Vertical Mixing." Journal of Physical Oceanography 35, no. 9 (September 1, 2005): 1667–88. http://dx.doi.org/10.1175/jpo2774.1.

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Abstract The structure of a river plume is related to the vertical mixing using an isohaline-based coordinate system. Salinity coordinates offer the advantage of translating with the plume as it moves or expanding as the plume grows. This coordinate system is used to compare the relative importance of different dynamical processes acting within the plume and to describe the effect each process has on the structure of the plume. Vertical mixing due to inertial shear in the outflow of a narrow estuary and wind mixing are examined using a numerical model of a wind-forced river plume. Vertical mix

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5

Breitschwerdt, D., and F. D. Kahn. "Turbulent Mixing in Wind-Blown HII Regions." International Astronomical Union Colloquium 120 (1989): 117–21. http://dx.doi.org/10.1017/s025292110002354x.

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AbstractTurbulent mixing between an ionization bounded HII region and a hot shocked stellar wind (HSSW), which keeps it under pressure, is examined. Recently we have shown that acoustic disturbances can grow there to finite amplitude in a time scale which is comparable to the sound crossing time in the HII layer. The resulting turbulence will then stretch fluid elements and the frozen-in magnetic field. A condition under which turbulence can decay down to the viscous scale, where mixing is very efficient, is derived. For a uniform and plane parallel magnetic field Bo and a constant density ρo

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6

Inoue, Ryuichiro, Michio Watanabe, and Satoshi Osafune. "Wind-Induced Mixing in the North Pacific." Journal of Physical Oceanography 47, no. 7 (July 2017): 1587–603. http://dx.doi.org/10.1175/jpo-d-16-0218.1.

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AbstractTemporal variability of the winter input of wind energy flux (wind power) and its relationship to internal wave fields were examined in the North Pacific. The dominant long-term variability of the wind power input, estimated from a mixed layer slab model, was inferred from an empirical orthogonal function analysis, and it was found that variability partly corresponded to the strength and movement of the Aleutian low. Responses of the internal wave field to the input of wind power were examined for two winters with a meridional float array along 170°W at a sampling interval of 2 dbar. T

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7

Breitschwerdt, D., and F. D. Kahn. "Turbulent mixing in wind-blown HII regions." Astrophysics and Space Science 216, no. 1-2 (June 1994): 297–301. http://dx.doi.org/10.1007/bf00982508.

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8

Eidnes, G., T. Utnes, and T. A. McClimans. "Wind mixing of a stratified shear flow." Continental Shelf Research 6, no. 5 (January 1986): 597–613. http://dx.doi.org/10.1016/0278-4343(86)90025-7.

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9

Liu, Jing-Wu, Su-Ping Zhang, and Shang-Ping Xie. "Two Types of Surface Wind Response to the East China Sea Kuroshio Front*." Journal of Climate 26, no. 21 (October 16, 2013): 8616–27. http://dx.doi.org/10.1175/jcli-d-12-00092.1.

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Abstract Effects of the sea surface temperature (SST) front along the East China Sea Kuroshio on sea surface winds at different time scales are investigated. In winter and spring, the climatological vector wind is strongest on the SST front while the scalar wind speed reaches a maximum on the warm flank of the front and is collocated with the maximum difference between sea surface temperature and surface air temperature (SST − SAT). The distinction is due to the change in relative importance of two physical processes of SST–wind interaction at different time scales. The SST front–induced sea s

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10

Skyllingstad, Eric D., Jenessa Duncombe, and Roger M. Samelson. "Baroclinic Frontal Instabilities and Turbulent Mixing in the Surface Boundary Layer. Part II: Forced Simulations." Journal of Physical Oceanography 47, no. 10 (October 2017): 2429–54. http://dx.doi.org/10.1175/jpo-d-16-0179.1.

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AbstractGeneration of ocean surface boundary layer turbulence and coherent roll structures is examined in the context of wind-driven and geostrophic shear associated with horizontal density gradients using a large-eddy simulation model. Numerical experiments over a range of surface wind forcing and horizontal density gradient strengths, combined with linear stability analysis, indicate that the dominant instability mechanism supporting coherent roll development in these simulations is a mixed instability combining shear instability of the ageostrophic, wind-driven flow with symmetric instabili

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11

Gille, S. T., M. M. Carranza, R. Cambra, and R. Morrow. "Wind-induced upwelling in the Kerguelen Plateau Region." Biogeosciences Discussions 11, no. 6 (June 5, 2014): 8373–97. http://dx.doi.org/10.5194/bgd-11-8373-2014.

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Abstract. In contrast to most of the Southern Ocean, the Kerguelen Plateau supports an unusually strong spring chlorophyll (Chl a) bloom, likely because the euphotic zone in the region is supplied with higher iron concentrations. This study uses satellite wind, sea surface temperature (SST), and ocean color data to explore the impact of wind-driven processes on upwelling of cold (presumably iron-rich) water to the euphotic zone. High wind speeds typically correlate with cold sea surface temperatures, implying that wind-mixing leads to enhanced vertical mixing. Negative wind-stress curl also co

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12

Stanley, Geoff J., and Oleg A. Saenko. "Bottom-Enhanced Diapycnal Mixing Driven by Mesoscale Eddies: Sensitivity to Wind Energy Supply." Journal of Physical Oceanography 44, no. 1 (January 1, 2014): 68–85. http://dx.doi.org/10.1175/jpo-d-13-0116.1.

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Abstract It has been estimated that much of the wind energy input to the ocean general circulation is removed by mesoscale eddies via baroclinic instability. While the fate of this energy remains a subject of research, arguments have been presented suggesting that a fraction of it may get transferred to lee waves that, upon breaking, result in bottom-enhanced diapycnal mixing. Here the authors propose several parameterizations of this process and explore their impact in a low-resolution ocean–climate model, focusing on their impact on the abyssal meridional overturning circulation (MOC) of Ant

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13

E. GERBER, Hermann, Glendon M. FRICK, Jorgen B. JENSEN, and James G. HUDSON. "Entrainment, Mixing, and Microphysics in Trade-Wind Cumulus." Journal of the Meteorological Society of Japan 86A (2008): 87–106. http://dx.doi.org/10.2151/jmsj.86a.87.

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14

Rasmussen, Bjarke. "Stratification and wind mixing in the Southern Kattegat." Ophelia 42, no. 1 (September 1995): 319–34. http://dx.doi.org/10.1080/00785326.1995.10431511.

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15

Grant, Alan L. M., and Stephen E. Belcher. "Wind-Driven Mixing below the Oceanic Mixed Layer." Journal of Physical Oceanography 41, no. 8 (August 1, 2011): 1556–75. http://dx.doi.org/10.1175/jpo-d-10-05020.1.

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Abstract This study describes the turbulent processes in the upper ocean boundary layer forced by a constant surface stress in the absence of the Coriolis force using large-eddy simulation. The boundary layer that develops has a two-layer structure, a well-mixed layer above a stratified shear layer. The depth of the mixed layer is approximately constant, whereas the depth of the shear layer increases with time. The turbulent momentum flux varies approximately linearly from the surface to the base of the shear layer. There is a maximum in the production of turbulence through shear at the base o

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16

Polnikov, V. G. "Model of Vertical Mixing Induced by Wind Waves." Fluid Dynamics 55, no. 1 (January 2020): 20–30. http://dx.doi.org/10.1134/s0015462820010103.

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17

Gong, Wenping, Zhongyuan Lin, Yunzhen Chen, Zhaoyun Chen, and Heng Zhang. "Effect of winds and waves on salt intrusion in the Pearl River estuary." Ocean Science 14, no. 1 (February 28, 2018): 139–59. http://dx.doi.org/10.5194/os-14-139-2018.

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Abstract. Salt intrusion in the Pearl River estuary (PRE) is a dynamic process that is influenced by a range of factors and to date, few studies have examined the effects of winds and waves on salt intrusion in the PRE. We investigate these effects using the Coupled Ocean-Atmosphere-Wave-Sediment Transport (COAWST) modeling system applied to the PRE. After careful validation, the model is used for a series of diagnostic simulations. It is revealed that the local wind considerably strengthens the salt intrusion by lowering the water level in the eastern part of the estuary and increasing the bo

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18

Zhai, Xiaoming, Richard J. Greatbatch, Carsten Eden, and Toshiyuki Hibiya. "On the Loss of Wind-Induced Near-Inertial Energy to Turbulent Mixing in the Upper Ocean." Journal of Physical Oceanography 39, no. 11 (November 1, 2009): 3040–45. http://dx.doi.org/10.1175/2009jpo4259.1.

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Abstract Wind-induced near-inertial energy has been believed to be an important source for generating the ocean mixing required to maintain the global meridional overturning circulation. In the present study, the near-inertial energy budget in a realistic model of the North Atlantic Ocean driven by synoptically varying wind forcing is examined. The authors find that nearly 70% of the wind-induced near-inertial energy at the sea surface is lost to turbulent mixing within the top 200 m and, hence, is not available to generate diapycnal mixing at greater depth. Assuming this result can be extende

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19

Rousseau-Rizzi, Raphaël, and Kerry Emanuel. "An Evaluation of Hurricane Superintensity in Axisymmetric Numerical Models." Journal of the Atmospheric Sciences 76, no. 6 (June 1, 2019): 1697–708. http://dx.doi.org/10.1175/jas-d-18-0238.1.

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Abstract Potential intensity (PI) is an analytical bound on steady, inviscid, axisymmetric hurricane wind speed. Studies have shown that simulated hurricane azimuthal wind speed can greatly exceed a PI bound on the maximum gradient wind. This disparity is called superintensity (SI) and has been attributed to the contribution of the unbalanced flow to the azimuthal wind. The goals of this study are 1) to introduce a new surface wind PI (PIs), based on a differential Carnot cycle and bounding the magnitude of the surface winds; 2) to evaluate SI in numerical simulations with respect to diagnosti

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20

Dyson, J. E. "Interstellar Wind-Blown Bubbles." International Astronomical Union Colloquium 120 (1989): 136–45. http://dx.doi.org/10.1017/s0252921100023654.

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Summary‘Classical’ stellar wind-driven bubbles are either energy or momentum driven, and evolve in smooth media containing only radial density gradients. Real bubbles are produced from winds from moving stars and which blow into non-homogeneous media. The resulting mixing of clump material can produce a variety of thermal, dynamical and chemical effects. In this review we discuss some of the modifications to classical bubbles which ensue, using observational examples where appropriate.

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21

Puls, Joachim. "Physical and Wind Properties of OB-Stars." Proceedings of the International Astronomical Union 3, S250 (December 2007): 25–38. http://dx.doi.org/10.1017/s1743921308020310.

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AbstractIn this review, the physical and wind properties of OB-stars are discussed, with particular emphasis on metallicity dependence and recent results from the flames survey of massive stars. We summarize the relation between spectral type and Teff, discuss the status quo of the “mass-discrepancy”, refer to the problem of “macro-turbulence” and comment on the distribution of rotational velocities. Observational constraints on the efficiency of rotational mixing are presented, and magnetic field measurements summarized. Wind properties are reviewed, and problems related to weak winds and win

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22

Bonin, Timothy A., Brian J. Carroll, R. Michael Hardesty, W. Alan Brewer, Kristian Hajny, Olivia E. Salmon, and Paul B. Shepson. "Doppler Lidar Observations of the Mixing Height in Indianapolis Using an Automated Composite Fuzzy Logic Approach." Journal of Atmospheric and Oceanic Technology 35, no. 3 (March 2018): 473–90. http://dx.doi.org/10.1175/jtech-d-17-0159.1.

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AbstractA Halo Photonics Stream Line XR Doppler lidar has been deployed for the Indianapolis Flux Experiment (INFLUX) to measure profiles of the mean horizontal wind and the mixing layer height for quantification of greenhouse gas emissions from the urban area. To measure the mixing layer height continuously and autonomously, a novel composite fuzzy logic approach has been developed that combines information from various scan types, including conical and vertical-slice scans and zenith stares, to determine a unified measurement of the mixing height and its uncertainty. The composite approach u

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23

Kawaguchi, Yusuke, Shigeto Nishino, and Jun Inoue. "Fixed-Point Observation of Mixed Layer Evolution in the Seasonally Ice-Free Chukchi Sea: Turbulent Mixing due to Gale Winds and Internal Gravity Waves." Journal of Physical Oceanography 45, no. 3 (March 2015): 836–53. http://dx.doi.org/10.1175/jpo-d-14-0149.1.

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AbstractA fixed-point observation using the R/V Mirai was conducted in the ice-free northern Chukchi Sea of the Arctic Ocean during September of 2013. During the program the authors performed repeated microstructure measurements to reveal the temporal evolution of the surface mixed layer and mixing processes in the upper water column. The shelf region was initially characterized by a distinct two-layer system comprising a warmer/fresher top layer and a colder/saltier bottom layer. During the two-week observation period, the top-layer water showed two types of mixing processes: near-surface tur

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24

Nikurashin, Maxim, and Geoffrey Vallis. "A Theory of Deep Stratification and Overturning Circulation in the Ocean." Journal of Physical Oceanography 41, no. 3 (March 1, 2011): 485–502. http://dx.doi.org/10.1175/2010jpo4529.1.

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Abstract A simple theoretical model of the deep stratification and meridional overturning circulation in an idealized single-basin ocean with a circumpolar channel is presented. The theory includes the effects of wind, eddies, and diapycnal mixing; predicts the deep stratification in terms of the surface forcing and other problem parameters; makes no assumption of zero residual circulation; and consistently accounts for the interaction between the circumpolar channel and the rest of the ocean. The theory shows that dynamics of the overturning circulation can be characterized by two limiting re

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25

Brody, Sarah R., and M. Susan Lozier. "Characterizing upper-ocean mixing and its effect on the spring phytoplankton bloom with in situ data." ICES Journal of Marine Science 72, no. 6 (February 4, 2015): 1961–70. http://dx.doi.org/10.1093/icesjms/fsv006.

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Abstract Since publication, the Sverdrup hypothesis, that phytoplankton are uniformly distributed within the ocean mixed layer and bloom once the ocean warms and stratifies in spring, has been the conventional explanation of subpolar phytoplankton spring bloom initiation. Recent studies have sought to differentiate between the actively mixing section of the upper ocean and the uniform-density mixed layer, arguing, as Sverdrup implied, that decreases in active mixing drive the spring bloom. In this study, we use in situ data to investigate the characteristics and depth of active mixing in both

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26

Dinniman, Michael S., John M. Klinck, Eileen E. Hofmann, and Walker O. Smith. "Effects of Projected Changes in Wind, Atmospheric Temperature, and Freshwater Inflow on the Ross Sea." Journal of Climate 31, no. 4 (February 2018): 1619–35. http://dx.doi.org/10.1175/jcli-d-17-0351.1.

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A 5-km horizontal resolution regional ocean–sea ice–ice shelf model of the Ross Sea is used to examine the effects of changes in wind strength, air temperature, and increased meltwater input on the formation of high-salinity shelf water (HSSW), on-shelf transport and vertical mixing of Circumpolar Deep Water (CDW) and its transformation into modified CDW (MCDW), and basal melt of the Ross Ice Shelf (RIS). A 20% increase in wind speed, with no other atmospheric changes, reduced summer sea ice minimum area by 20%, opposite the observed trend of the past three decades. Increased winds with spatia

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27

Synodinou, B. M. "Estimating the contamination resulting from hypothetical nuclear accidents during nuclear emergency exercises." HNPS Proceedings 10 (December 5, 2019): 194. http://dx.doi.org/10.12681/hnps.2189.

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An assessment of the radiological contamination of Europe, following radioactive pollutant releases and using prognostic meteorological data is presented. A modified and simplified version of SHEAR code, a Lagrangian long-range transport and dispersion model, taking into account the wind shear effect, is used. This is possible by applying the diurnal differences in vertical mixing to the winds in the vertical layer used to calculate advection. In its present version the code takes account of dry deposition processes and different mixing heights for day and night conditions. Prognostic temperat

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28

Zhai, Xiaoming, Helen L. Johnson, David P. Marshall, and Carl Wunsch. "On the Wind Power Input to the Ocean General Circulation." Journal of Physical Oceanography 42, no. 8 (August 1, 2012): 1357–65. http://dx.doi.org/10.1175/jpo-d-12-09.1.

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Abstract The wind power input to the ocean general circulation is usually calculated from the time-averaged wind products. Here, this wind power input is reexamined using available observations, focusing on the role of the synoptically varying wind. Power input to the ocean general circulation is found to increase by over 70% when 6-hourly winds are used instead of monthly winds. Much of the increase occurs in the storm-track regions of the Southern Ocean, Gulf Stream, and Kuroshio Extension. This result holds irrespective of whether the ocean surface velocity is accounted for in the wind stre

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29

Rainville, Luc, Craig Lee, and Rebecca Woodgate. "Impact of Wind-Driven Mixing in the Arctic Ocean." Oceanography 24, no. 3 (September 1, 2011): 136–45. http://dx.doi.org/10.5670/oceanog.2011.65.

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30

Huber, Anita, Gregory N. Ivey, Geoff Wake, and Carolyn E. Oldham. "Near-Surface Wind-Induced Mixing in a Mine Lake." Journal of Hydraulic Engineering 134, no. 10 (October 2008): 1464–72. http://dx.doi.org/10.1061/(asce)0733-9429(2008)134:10(1464).

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31

Munk, Walter, and Carl Wunsch. "Abyssal recipes II: energetics of tidal and wind mixing." Deep Sea Research Part I: Oceanographic Research Papers 45, no. 12 (December 1998): 1977–2010. http://dx.doi.org/10.1016/s0967-0637(98)00070-3.

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32

Skyllingstad, Eric D., W. D. Smyth, and G. B. Crawford. "Resonant Wind-Driven Mixing in the Ocean Boundary Layer." Journal of Physical Oceanography 30, no. 8 (August 2000): 1866–90. http://dx.doi.org/10.1175/1520-0485(2000)030<1866:rwdmit>2.0.co;2.

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33

MICHIOKU, Kohji, Gouzou TSUJIMOTO, and Hitoshi MIYAMOTO. "Flow and Mixing Properties in wind-Induced Density Currents." PROCEEDINGS OF HYDRAULIC ENGINEERING 37 (1993): 293–98. http://dx.doi.org/10.2208/prohe.37.293.

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34

Findikakis, Angelos N., and Adrian W. K. Law. "Wind Mixing in Temperature Simulations for Lakes and Reservoirs." Journal of Environmental Engineering 125, no. 5 (May 1999): 420–28. http://dx.doi.org/10.1061/(asce)0733-9372(1999)125:5(420).

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35

Watanabe, Michio, and Toshiyuki Hibiya. "Energetics of wind-induced turbulent mixing in the ocean." Journal of Oceanography 64, no. 1 (February 2008): 131–40. http://dx.doi.org/10.1007/s10872-008-0010-8.

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36

Perlin, Natalie, Simon P. de Szoeke, Dudley B. Chelton, Roger M. Samelson, Eric D. Skyllingstad, and Larry W. O’Neill. "Modeling the Atmospheric Boundary Layer Wind Response to Mesoscale Sea Surface Temperature Perturbations." Monthly Weather Review 142, no. 11 (October 24, 2014): 4284–307. http://dx.doi.org/10.1175/mwr-d-13-00332.1.

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Abstract The wind speed response to mesoscale SST variability is investigated over the Agulhas Return Current region of the Southern Ocean using the Weather Research and Forecasting (WRF) Model and the U.S. Navy Coupled Ocean–Atmosphere Mesoscale Prediction System (COAMPS) atmospheric model. The SST-induced wind response is assessed from eight simulations with different subgrid-scale vertical mixing parameterizations, validated using Quick Scatterometer (QuikSCAT) winds and satellite-based sea surface temperature (SST) observations on 0.25° grids. The satellite data produce a coupling coeffici

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37

Wolfe, A. Megan, Susan E. Allen, Michal Hodal, Rich Pawlowicz, Brian P. V. Hunt, and Desiree Tommasi. "Impact of advection loss due to wind and estuarine circulation on the timing of the spring phytoplankton bloom in a fjord." ICES Journal of Marine Science 73, no. 6 (September 3, 2015): 1589–609. http://dx.doi.org/10.1093/icesjms/fsv151.

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Abstract A coupled biophysical model is used to explore the physical controls involved in the timing of the spring phytoplankton bloom in fjords. Observations from Rivers Inlet, British Columbia, are used to force and evaluate the model. It is found that the interannual variation in timing is due primarily to variations in retention, in particular, to variations in horizontal advection out of the fjord. The two dominant processes are (i) strong outflow winds rapidly advecting the surface layer and thus the phytoplankton population out of the fjord and (ii) losses due to high river flux increas

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38

Zheng, Xiangyang, Yana Ding, Yandong Xu, Tao Zou, Chunlei Wang, and Qianguo Xing. "The Influence of Wind Direction during Storms on Sea Temperature in the Coastal Water of Muping, China." Journal of Marine Science and Engineering 9, no. 7 (June 27, 2021): 710. http://dx.doi.org/10.3390/jmse9070710.

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Sea temperature structures are important for water stratification and marine ecosystems. In the coastal water of Muping, China, stationary measurements of sea temperature captured temporal temperature changes during two summer storm events. The north component of the wind during the two storms was opposite. The temperature responded differently to wind directions in the two storm events. A well-validated numerical ocean model was used to investigate the mechanism of sea temperature variation of the coast of Muping. The model revealed that the southerly and easterly wind was upwelling-favorable

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39

Thomson, JD, and JS Godfrey. "Circulation dynamics in the Derwent Estuary." Marine and Freshwater Research 36, no. 6 (1985): 765. http://dx.doi.org/10.1071/mf9850765.

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For moderate river discharges the Derwent estuary is strongly stratified in its upstream reaches; however, salt walter is flushed completely as far downstream as Bridgewater, for river discharges greater than about 150 m3 s-1. Salinity returns to normal in this section within about 10-20 days of a rainstorm. The main mixing mechanism appears to be surface stirring by the wind; a semi-empirical formula for wind-driven entrainment velocity gives values a factor of about 1 .5 too small, but this may be due to a number of sources of observational error. Tidal mixing is detectable in the upstream D

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40

Liu, X., J. Xu, H. L. Liu, J. Yue, and W. Yuan. "Simulations of large winds and wind shears induced by gravity wave breaking in the mesosphere and lower thermosphere (MLT) region." Annales Geophysicae 32, no. 5 (May 23, 2014): 543–52. http://dx.doi.org/10.5194/angeo-32-543-2014.

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Abstract. Using a fully nonlinear two-dimensional (2-D) numerical model, we simulated gravity waves (GWs) breaking and their contributions to the formation of large winds and wind shears in the mesosphere and lower thermosphere (MLT). An eddy diffusion coefficient is used in the 2-D numerical model to parameterize realistic turbulent mixing. Our study shows that the momentum deposited by breaking GWs accelerates the mean wind. The resultant large background wind increases the GW's apparent horizontal phase velocity and decreases the GW's intrinsic frequency and vertical wavelength. Both the ac

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41

Xu, Mimi, and Haiming Xu. "Atmospheric Responses to Kuroshio SST Front in the East China Sea under Different Prevailing Winds in Winter and Spring." Journal of Climate 28, no. 8 (April 7, 2015): 3191–211. http://dx.doi.org/10.1175/jcli-d-13-00675.1.

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Abstract Atmospheric responses to the Kuroshio SST front in the East China Sea under different prevailing winds are examined using high-resolution observations and numerical modeling. Satellite data reveal a significant in-phase relationship between SST and surface wind speed, indicative of ocean-to-atmosphere influence. The atmospheric response varies according to the relative surface wind direction with respect to the SST front orientation. Under the alongfront condition, low (high) SLP anomalies are found on the warmer (colder) flank of the front, accompanied by surface wind convergence (di

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42

Spall, Michael A. "Midlatitude Wind Stress–Sea Surface Temperature Coupling in the Vicinity of Oceanic Fronts." Journal of Climate 20, no. 15 (August 1, 2007): 3785–801. http://dx.doi.org/10.1175/jcli4234.1.

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Abstract The influences of strong gradients in sea surface temperature on near-surface cross-front winds are explored in a series of idealized numerical modeling experiments. The atmospheric model is the Naval Research Laboratory Coupled Ocean–Atmosphere Mesoscale Prediction System (COAMPS) model, which is fully coupled to the Regional Ocean Modeling System (ROMS) ocean model. A series of idealized, two-dimensional model calculations is carried out in which the wind blows from the warm-to-cold side or the cold-to-warm side of an initially prescribed ocean front. The evolution of the near-surfa

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Koseki, Shunya, and Masahiro Watanabe. "Atmospheric Boundary Layer Response to Mesoscale SST Anomalies in the Kuroshio Extension." Journal of Climate 23, no. 10 (May 15, 2010): 2492–507. http://dx.doi.org/10.1175/2009jcli2915.1.

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Abstract The atmospheric boundary layer (ABL) response to mesoscale eddies in sea surface temperature (SST) in the Kuroshio Extension was investigated using a high-resolution (T213L30) atmospheric general circulation model. A control run was performed first by integrating the model for 40 days, driven by the satellite-derived, eddy-resolving SST during January 2006. The spatial pattern of surface wind anomalies—that is, a deviation from large-scale winds—reveals a positive correlation with the spatial pattern of mesoscale SST anomalies. The momentum budget analysis of the anomalous zonal wind

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44

Tokinaga, Hiroki, Youichi Tanimoto, and Shang-Ping Xie. "SST-Induced Surface Wind Variations over the Brazil–Malvinas Confluence: Satellite and In Situ Observations*." Journal of Climate 18, no. 17 (September 1, 2005): 3470–82. http://dx.doi.org/10.1175/jcli3485.1.

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Abstract The confluence of the Brazil–Malvinas Currents maintains strong sea surface temperature (SST) fronts in the midlatitude southwestern Atlantic year-round. SST effects on near-surface stability and surface wind variations are examined in this region using satellite and in situ datasets. Satellite observations show strong (weak) surface wind speeds over the warm Brazil (cold Malvinas) Current. A novel feature of this study is the construction of a high-resolution surface meteorological dataset that is based on historical ship observations. Analysis of this new in situ dataset reveals an

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45

Ha, Kyung-Ja, Yu-Kyung Hyun, Hyun-Mi Oh, Kyung-Eak Kim, and Larry Mahrt. "Evaluation of Boundary Layer Similarity Theory for Stable Conditions in CASES-99." Monthly Weather Review 135, no. 10 (October 1, 2007): 3474–83. http://dx.doi.org/10.1175/mwr3488.1.

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Abstract The Monin–Obukhov similarity theory and a generalized formulation of the mixing length for the stable boundary layer are evaluated using the Cooperative Atmosphere–Surface Exchange Study-1999 (CASES-99) data. The large-scale wind forcing is classified into weak, intermediate, and strong winds. Although the stability parameter, z/L, is inversely dependent on the mean wind speed, the speed of the large-scale flow includes independent influences on the flux–gradient relationship. The dimensionless mean wind shear is found to obey existing stability functions when z/L is less than unity,

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46

Jing, Zhao, Lixin Wu, and Xiaohui Ma. "Improve the Simulations of Near-Inertial Internal Waves in the Ocean General Circulation Models." Journal of Atmospheric and Oceanic Technology 32, no. 10 (October 2015): 1960–70. http://dx.doi.org/10.1175/jtech-d-15-0046.1.

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AbstractThe near-inertial wind work and near-inertial internal waves (NIWs) in the ocean have been extensively studied using ocean general circulation models (OGCMs) forced by 6-hourly winds or wind stress obtained from atmospheric reanalysis data. However, the OGCMs interpolate the reanalysis winds or wind stress linearly onto each time step, which partially filters out the wind stress variance in the near-inertial band. In this study, the influence of the linear interpolation on the near-inertial wind work and NIWs is quantified using an eddy-resolving (°) primitive equation ocean model. In

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47

Spall, Michael A., and Leif N. Thomas. "Downfront Winds over Buoyant Coastal Plumes." Journal of Physical Oceanography 46, no. 10 (October 2016): 3139–54. http://dx.doi.org/10.1175/jpo-d-16-0042.1.

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AbstractDownfront, or downwelling favorable, winds are commonly found over buoyant coastal plumes. It is known that these winds can result in mixing of the plume with the ambient water and that the winds influence the transport, spatial extent, and stability of the plumes. In the present study, the interaction of the Ekman velocity in the surface layer and baroclinic instability supported by the strong horizontal density gradient of the plume is explored with the objective of understanding the potential vorticity and buoyancy budgets. The approach makes use of an idealized numerical model and

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48

Wang, Linhui, Huiwang Gao, Jie Shi, and Lian Xie. "A Numerical Study on the Impact of High-Frequency Winds on the Peru Upwelling System during 2014–2016." Journal of Marine Science and Engineering 7, no. 5 (May 25, 2019): 161. http://dx.doi.org/10.3390/jmse7050161.

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The contribution of high-frequency wind to the Peruvian upwelling system during 2014–2016 was studied using the Regional Ocean Modeling System (ROMS), forced by four different temporal resolution (six-hourly, daily, weekly, and monthly) wind forcing. A major effect of the high-frequency wind is its warming of the water at all depths along the Peruvian coast. The mechanism for the temperature changes induced by high-frequency wind forcing was analyzed through heat budget analysis, which indicated a three-layer structure. Vertical advection plays a leading role in the warming of the mixed layer

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49

Shaw, W. J., M. S. Pekour, R. L. Coulter, T. J. Martin, and J. T. Walters. "The daytime mixing layer observed by radiosonde, profiler, and lidar during MILAGRO." Atmospheric Chemistry and Physics Discussions 7, no. 5 (October 19, 2007): 15025–65. http://dx.doi.org/10.5194/acpd-7-15025-2007.

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Abstract. During the MILAGRO campaign centered in the Mexico City area, Pacific Northwest National Laboratory (PNNL) and Argonne National Laboratory (ANL) operated atmospheric profiling systems at Veracruz and at two locations on the Central Mexican Plateau in the region around Mexico City. These systems included radiosondes, wind profilers, a sodar, and an aerosol backscatter lidar. An additional wind profiler was operated by the University of Alabama in Huntsville (UAH) at the Mexican Petroleum Institue (IMP) near the center of Mexico City. Because of the opportunity afforded by collocation

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50

MORI, Nobuhito, Takayuki SUZUKI, and Naoto KIHARA. "A Study on Air-Sea Mixing due to Wind and Wave under Strong Wind Condition." Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 66, no. 1 (2010): 311–15. http://dx.doi.org/10.2208/kaigan.66.311.

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