Transition to
turbulence in jets and vortices
López
Zazueta, A., Zavala Sansón, L., 2018.
Self-oscillations of a
two-dimensional shear flow with forcing and dissipation.
Phys. Fluids, 30, 144101. pdf
González Vera, A. S., Zavala Sansón, L., 2015.
The evolution of a
continuously forced shear flow in a closed rectangular.
Phys. Fluids, 27,
034106. pdf
Cruz
Gómez, R. C., L. Zavala Sansón, y
M. A. Pinilla,
2013.
Generation of isolated vortices
in a rotating fluid by means of an electromagnetics method.
Exp. Fluids, 54(8): 1582. pdf
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Laboratory experiment on vortex
formation in a shallow shear layer (González Vera and Zavala
Sansón, 2015).
Generation of shallow-water
vortices by electromagnetic methods (Cruz Gómez et al., 2013).
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Turbulent
Lagrangian dispersion
- Flores Ramírez, L. M. and Zavala Sansón, L., 2019.
Two-dimensional turbulence dispersion in a closed domain:
Influence of confinement and geometry. AIP
Advances 9, 035302 pdf
Zavala Sansón,
L., J. Sheinbaum, and P. Pérez-Brunius, 2018.
Single-particle
statistics in the southern Gulf of Mexico.
Geofís. Int.,
57(2), 139-150 pdf
Zavala Sansón,
L., P. Pérez-Brunius and J. Sheinbaum, 2017.
Surface relative
dispersion in the southwestern Gulf of Mexico.
J, Phys. Oceanogr., 47(2),
387-403. pdf
Zavala Sansón, L., P. Pérez-Brunius and J. Sheinbaum, 2017.
Point source
dispersion of surface drifters in the southern Gulf of Mexico.
Environ. Res. Lett. 12,
024006. pdf
Zavala Sansón,
L., 2015.
Surface dispersion in the
Gulf of California.
Progress in Oceanography,
137, A, 24-37. pdf
Andrade Canto, F., J. Sheinbaum Pardo
and L. Zavala Sansón, 2013.
A Lagrangian approach
to the loop currrent eddy
separation.
Nonlin.
Processes Geophys., 20(1): 85-96. pdf
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Surface drifter buoy
trajectories and altimetry surfaces (Zavala Sansón et al.,
2017a).
Dispersion ellipses in the
southern Gulf of Mexico (Zavala Sansón et al., 2017b).
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Networks
Zavala
Sansón, L. and A.
González-Villanueva, 2017.
Allometric scaling laws derived from symmetric tree networks.
González-Villanueva, L.
Zavala Sansón, 2015.
Tree-like branching
networks and allometric
laws.
Int. J. Complex
Systems in Science, 5(1), 3741. pdf
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Topographic
waves
Flores Vidal, X., R. Durazo, L. Zavala Sansón, P. Flament, C. Chavanne,
F. J. Ocampo Torres,
C. Reyes, 2014.
Evidence of inertially generated coastal trapped waves
in the Eastern Tropical Pacific. J. Geophys.
Res. Oceans, 119, 3121-3133. pdf
Zavala Sansón,
L., 2012.
Simple models of coastal-trapped waves based on the shape of
the bottom topography.
J. Phys. Oceanogr., 42,
420-429. pdf
Zavala Sansón,
L., 2010.
Solutions of barotropic waves
around seamounts.
J. Fluid Mech., 661, 32-44. pdf
Zavala Sansón, L., 2010.
Solutions of continental shelf
waves based on the shape of the bottom topography.
The Ocean,The Wine
and The Valley: The Lives of Antoine Badan. Chapter 2, p. 103-130.
Editors: E.
Pavía, J. Sheinbaum, J. Candela. CICESE, Ensenada, México. pdf
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Analytical solutions of the
relative vorticity and velocity fields of topographic waves around
seamounts (Zavala Sansón, 2010).
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Effects of
topography on plankton dynamics
Zavala Sansón, L. and A. Provenzale, 2009.
The effects of
abrupt topography on plankton dynamics.
Theoret. Popul. Biol., 76, 258-267. pdf
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NPZ fields during the collision of
a cyclonic vortex over a submarine mountain (Zavala Sansón and
Provenzale, 2009).
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2D and quasi-2D turbulence
Tenreiro, M., R. R. Trieling , L.
Zavala Sansón, y G. J. F. van Heijst, 2013.
Preferential states of rotating
turbulent flows in a square container with a step topography.
Phys. Fluids, 25,
015109. pdf
Tenreiro, M., Zavala Sansón, L., G. J. F.
van Heijst and
R. R. Trieling, 2010.
Experiments and simulations
on self-organization of confined quasi-two-dimensional turbulent
flows with discontinuous topography.
Phys. Fluids, 22, 025101. pdf
Zavala Sansón, L., A. Gonzalez-Villanueva and L. M. Flores,
2010.
Evolution and decay of a
rotating flow over random topography.
J. Fluid Mech., 642,
159-180. pdf
Zavala Sansón, L. and J. Sheinbaum,
2008.
Elementary properties of the enstrophy and
strain fields in confined two-dimensional flows.
Eur. J. Mech. B/Fluids, 27, 54-61. pdf
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Long-term, mean spatial vorticity
distribution of turbulent flows in the presence of a topographic
step for geometries with different aspect ratios (Tenreiro et al.
2013).
Left: Random bottom topography
used in shallow-water simulations. Right: Long-term, quasi-steady
state of the relative vorticity field of a freely-evolving flow
over the topography. Note that cyclonic-red (anticyclonic-blue)
vorticity lies over deeper-blue (shallower-red) regions (Zavala
Sansón et al. 2010).
Left: Vorticity surfaces
calculated from a simulation in a squared domain with no-slip
boundaries. Right: Corresponding surfaces of the (minus)
Okubo–Weiss function (Zavala Sansón and Sheinbaum, 2008).
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Tropical cyclones
Zavala Sansón, L., 2004.
The mechanical influence of
continental topography on the trajectories of tropical
cyclones
near the west coast of
México.
Atmósfera,
17, 151-170. pdf
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Numerically calculated cyclone
trajectories starting at points 1, 2 and 3 on the Pacific Ocean.
Circles (stars) indicate simulations on a beta-plane with
(without) the idealised continental topography (indicated with
closed contours).
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Nonlinear
Ekman effects - Theory, experiments and simulations
Zavala Sansón, L., 2003.
The two-dimensional character of spin-up in a rectangular
container.
Phys. Fluids, 15, 1811-1814. pdf
Zavala Sansón, L., and G.
J. F. van Heijst,
2002.
Ekman effects in a rotating fluid over bottom
topography.
J. Fluid Mech., 471, 239-256. pdf
Zavala Sansón, L., 2001.
The asymmetric Ekman decay of cyclonic and anticyclonic vortices.
Eur. J. Mech. B/Fluids, 20, 541-556. pdf
Zavala
Sansón, L., G. J. F. van Heijst y N. A.
Backx, 2001.
Ekman decay of a dipolar vortex in a rotating
fluid.
Phys. Fluids, 13, 440-451. pdf
Zavala Sansón, L., and G. J. F. van Heijst, 2000.
Nonlinear Ekman effects in rotating barotropic flows.
J. Fluid Mech., 412, 75-91. pdf
|
Vorticity-transport function
formulation of the shallow-water dynamics in a rotating system
with variable topography and nonlinear Ekman effects (Zavala
Sansón and van Heijst, 2002).
Left: Deflected trajectory of a
dipolar vortex due to nonlinear Ekman effects. Right: Straight
trajectory when using linear Ekman damping (Zavala Sansón et al.
2001).
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| Experiments
and simulations on rotating flows over variable topography
Zavala Sansón, L., y G.
J. F. van Heijst,
2014.
Laboratory experiments on flows over
bottom topography.
Modelling Atmospheric
and Oceanic flows: insights from laboratory experiments and
numerical simulations. Editors: T.
von Larcher
and P. Williams. Wiley. pdf
Zavala Sansón, L., A. Barbosa Aguiar and G. J. F. van Heijst,
2012.
Horizontal and
vertical motions of barotropic vortices
over a submarine mountain.
J. Fluid Mech., 695, 173-198. pdf
Zavala Sansón,
L., 2007.
The long-time decay of rotating homogeneous flows over variable
topography.
Dyn. Atmos. Oceans, 44, 29-50. pdf
Tenreiro, M., Zavala
Sansón, L. and G. J. F. van
Heijst, 2006.
Interaction
of dipolar vortices with a step-like topography.
Phys. Fluids, 18, 056603. pdf
Zavala
Sansón, L., R. Serravall, G. F. Carnevale and G. J. F.
van Heijst, 2005.
Experiments and
simulations on coastal flows in presence of a topographic
slope.
J. Phys. Oceanogr., 35, 2204-2218. pdf
Zavala Sansón, L., R. Serravall, G. F. Carnevale and G. J. F.
van Heijst, 2005.
Experiments and
simulations on coastal flows in presence of a topographic
slope.
J. Phys. Oceanogr., 35, 2204-2218. pdf
Zavala Sansón,
L., 2002.
Vortex-ridge interaction in a rotating fluid.
Dyn. Atmos. Oceans, 35,
299-325. pdf
Zavala Sansón,
L., G. J. F. van Heijst and
J. J. J. Doorschot,
1999.
Reflection of barotropic vortices
from a step-like topography.
Il Nuovo Cimento C,
22, 909-929. pdf
|
Relative vorticity measured in two
laboratory experiments of cyclonic vortices (red surfaces) around
a seamount in the Coriolis rotating platform at LEGI-Grenoble
(Zavala Sansón et al., 2012).
Top view photographs showing the
reflection of a cyclonic vortex from a step-down topography. The
vortex is visualised with bright dye. The step is indicated with a
vertical (Zavala Sansón et al. 1999).
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Vortices
against walls
Zavala Sansón, L., G. J. F. van Heijst and F. J. J.
Janssen, 1999.
Experiments on barotropic vortex-wall
interaction on a topographic beta plane.
J. Geophys.
Res., 104, 10917-10932. pdf
Zavala Sansón, L., F. Graef, and E. G. Pavía,
1998.
Collision of anticyclonic, lens-like eddies with a meridional western
boundary.
J. Geophys. Res.,103,
24881-24890. pdf
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