Academic literature on the topic 'Balance de Sverdrup'
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Journal articles on the topic "Balance de Sverdrup":
Thomas, Matthew D., Agatha M. De Boer, Helen L. Johnson, and David P. Stevens. "Spatial and Temporal Scales of Sverdrup Balance*." Journal of Physical Oceanography 44, no. 10 (October 1, 2014): 2644–60. http://dx.doi.org/10.1175/jpo-d-13-0192.1.
Wunsch, Carl, and Dean Roemmich. "Is the North Atlantic in Sverdrup Balance?" Journal of Physical Oceanography 15, no. 12 (December 1985): 1876–80. http://dx.doi.org/10.1175/1520-0485(1985)015<1876:itnais>2.0.co;2.
Wunsch, Carl. "The decadal mean ocean circulation and Sverdrup balance." Journal of Marine Research 69, no. 2 (March 1, 2011): 417–34. http://dx.doi.org/10.1357/002224011798765303.
Gray, Alison R., and Stephen C. Riser. "A Global Analysis of Sverdrup Balance Using Absolute Geostrophic Velocities from Argo." Journal of Physical Oceanography 44, no. 4 (April 1, 2014): 1213–29. http://dx.doi.org/10.1175/jpo-d-12-0206.1.
Gray, Alison R., and Stephen C. Riser. "Reply to “Comments on ‘A Global Analysis of Sverdrup Balance Using Absolute Geostrophic Velocities from Argo’”." Journal of Physical Oceanography 45, no. 5 (May 2015): 1449–50. http://dx.doi.org/10.1175/jpo-d-14-0215.1.
Le Corre, Mathieu, Jonathan Gula, and Anne-Marie Tréguier. "Barotropic vorticity balance of the North Atlantic subpolar gyre in an eddy-resolving model." Ocean Science 16, no. 2 (April 20, 2020): 451–68. http://dx.doi.org/10.5194/os-16-451-2020.
Lu, Youyu, and Detlef Stammer. "Vorticity Balance in Coarse-Resolution Global Ocean Simulations." Journal of Physical Oceanography 34, no. 3 (March 1, 2004): 605–22. http://dx.doi.org/10.1175/2504.1.
Hautala, Susan L., Dean H. Roemmich, and William J. Schmilz. "Is the North Pacific in Sverdrup balance along 24°N?" Journal of Geophysical Research 99, no. C8 (1994): 16041. http://dx.doi.org/10.1029/94jc01084.
Ohshima, Kay I., Daisuke Simizu, Motoyo Itoh, Genta Mizuta, Yasushi Fukamachi, Stephen C. Riser, and Masaaki Wakatsuchi. "Sverdrup Balance and the Cyclonic Gyre in the Sea of Okhotsk." Journal of Physical Oceanography 34, no. 2 (February 2004): 513–25. http://dx.doi.org/10.1175/1520-0485(2004)034<0513:sbatcg>2.0.co;2.
NIILER, P. P., and C. J. KOBLINSKY. "A Local Time-Dependent Sverdrup Balance in the Eastern North Pacific Ocean." Science 229, no. 4715 (August 23, 1985): 754–56. http://dx.doi.org/10.1126/science.229.4715.754.
Dissertations / Theses on the topic "Balance de Sverdrup":
Thomas, Matthew. "Sverdrup balance and three dimensional variability of the meridional overturning circulation." Thesis, University of East Anglia, 2012. https://ueaeprints.uea.ac.uk/48025/.
Cortés, Morales Diego. "Large-scale Vertical Velocities in the Global Open Ocean via Linear Vorticity Balance." Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS061.
At oceanic basin scales, vertical velocities are several orders of magnitude smaller than their horizontal counterparts, rendering a formidable challenge for their direct measurement in the real ocean. Therefore, their estimations need a combination of observation-based datasets and theoretical considerations.Historically, scientists have employed various techniques to estimate vertical velocities across different scales constrained by the available observations of their time. Various approaches have been attempted, ranging from methods utilizing in situ horizontal current divergence to those based on intricate omega-type equations. However, the Sverdrup balance has captured the attention of researchers and ours due to its robust and straightforward description of ocean dynamics. One of the fundamental components of the Sverdrup balance is the linear vorticity balance (LVB: βv = f ∂z w). It introduces a novel vertical dimension to the conventional Sverdrup balance, establishing a connection between vertical movement and the meridional transport above it.In order to advance on the theoretical prospect of estimating the vertical velocities, it is primarily identified the annual and interannual timescales patterns governing the linear vorticity balance within an eddy-permitting OGCM simulation. Initially, this analysis is conducted over the North Atlantic Ocean, and subsequently expanded to encompass the entire global ocean, focusing on larger scales than 5 degrees. The analysis revealed the feasibility of computing a robust vertical velocity field beneath the mixed layer using the LVB approach across large fractions of the water column in the interior regions of tropical and subtropical gyres and within some layers of the subpolar and austral circulation. Departures from the LVB occur in the western boundary currents, strong zonal tropical flows, subpolar gyres and smaller scales due to the nonlinearities, mixing and bathymetry-driven contributions to the vorticity budget.The extensive validity of the LVB description of the global ocean provides a relatively simple foundation for estimating the vertical velocities through the indefinite depth-integrated LVB. Using an OGCM, it has demonstrated that the estimates possess the capability to accurately reproduce the time-mean amplitude and interannual variability of the vertical velocity field within substantial portions of the global ocean when compared to the reference model. Here, we build the DIOLIVE (indefinite Depth-Integrated Observation-based LInear Vorticity Estimates) product by applying the observation-based geostrophic velocities from ARMOR3D into the indefinite depth-integrated LVB formalism, with wind stress data from ERA5 serving as boundary condition at the surface. This product contains vertical velocities spanning the global ocean's thermocline at 5 degrees horizontal resolution and 40 isopycnal levels during the 1993-2018 period.A comparative analysis between the DIOLIVE product and four alternative products, including one OGCM simulation, two reanalyses and an observation-based reconstruction based on the omega equation, is conducted using various metrics assessing the vertical circulation's multidimensional features of the ocean vertical flow. The omega equation-based product displays large departures from the synchronicity and baroclinicity reproduced by the validation ensemble. However, in regions where the LVB holds as a valid assumption, the DIOLIVE product demonstrates a remarkable ability to replicate the baroclinic structure of the ocean, exhibiting satisfactory spatial consistency and notable agreement in terms of temporal variability when compared to the two reanalyses and the OGCM simulation
Book chapters on the topic "Balance de Sverdrup":
TOMCZAK, MATTHIAS, and J. STUART GODFREY. "Ekman layer transports, Ekman pumping and the Sverdrup balance." In Regional Oceanography, 39–51. Elsevier, 1994. http://dx.doi.org/10.1016/b978-0-08-041021-0.50008-4.