Academic literature on the topic 'Atmospheric circulation Mathematics'
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Journal articles on the topic "Atmospheric circulation Mathematics"
Hsia, Chun-Hsiung, Chang-Shou Lin, Tian Ma, and Shouhong Wang. "Tropical atmospheric circulations with humidity effects." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 471, no. 2173 (January 2015): 20140353. http://dx.doi.org/10.1098/rspa.2014.0353.
Full textProshutinsky, Andrey, Dmitry Dukhovskoy, Mary-Louise Timmermans, Richard Krishfield, and Jonathan L. Bamber. "Arctic circulation regimes." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 373, no. 2052 (October 13, 2015): 20140160. http://dx.doi.org/10.1098/rsta.2014.0160.
Full textDe Swart, H. E. "Low-order spectral models of the atmospheric circulation: A survey." Acta Applicandae Mathematica 11, no. 1 (January 1988): 49–96. http://dx.doi.org/10.1007/bf00047114.
Full textMukhin, Dmitry, Abdel Hannachi, Tobias Braun, and Norbert Marwan. "Revealing recurrent regimes of mid-latitude atmospheric variability using novel machine learning method." Chaos: An Interdisciplinary Journal of Nonlinear Science 32, no. 11 (November 2022): 113105. http://dx.doi.org/10.1063/5.0109889.
Full textPierrehumbert, Raymond T., and Feng Ding. "Dynamics of atmospheres with a non-dilute condensible component." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2190 (June 2016): 20160107. http://dx.doi.org/10.1098/rspa.2016.0107.
Full textPan, Jiao-jiao, Qian Jiang, Ting-wei Ruan, and Hong Luo. "Regularity of Global Attractor for Atmospheric Circulation Equations with Humidity Effect." Acta Mathematicae Applicatae Sinica, English Series 35, no. 4 (September 2019): 820–29. http://dx.doi.org/10.1007/s10255-019-0855-1.
Full textPremakumari, Ramapura N., Chandrali Baishya, Pundikala Veeresha, and Lanre Akinyemi. "A Fractional Atmospheric Circulation System under the Influence of a Sliding Mode Controller." Symmetry 14, no. 12 (December 10, 2022): 2618. http://dx.doi.org/10.3390/sym14122618.
Full textTSONIS, A. A. "THE IMPACT OF NONLINEAR DYNAMICS IN THE ATMOSPHERIC SCIENCES." International Journal of Bifurcation and Chaos 11, no. 04 (April 2001): 881–902. http://dx.doi.org/10.1142/s0218127401002663.
Full textTeanby, Nicholas A., Patrick G. J. Irwin, Remco de Kok, and Conor A. Nixon. "Dynamical implications of seasonal and spatial variations in Titan's stratospheric composition." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 367, no. 1889 (November 20, 2008): 697–711. http://dx.doi.org/10.1098/rsta.2008.0164.
Full textÖzelkan, Ertunga C., Ágnes Galambosi, Lucien Duckstein, and András Bárdossy. "A multi-objective fuzzy classification of large scale atmospheric circulation patterns for precipitation modeling." Applied Mathematics and Computation 91, no. 2-3 (May 1998): 127–42. http://dx.doi.org/10.1016/s0096-3003(97)10002-9.
Full textDissertations / Theses on the topic "Atmospheric circulation Mathematics"
Dionne, Pierre 1962. "Numerical simulation of blocking by the resonance of topographically forced waves." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65542.
Full textKiss, Andrew Elek. "Dynamics of laboratory models of the wind-driven ocean circulation." View thesis entry in Australian Digital Theses Program, 2000. http://thesis.anu.edu.au/public/adt-ANU20011018.115707/index.html.
Full textJia, XiaoJing 1977. "The mechanisms and the predictability of the Arctic oscillation and the North Atlantic oscillation /." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103026.
Full textHorwitz, Rachel Mandy. "The effect of stratification on wind-driven, cross-shelf circulation and transport on the inner continental shelf." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/77779.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 209-215).
Observations from a three-year field program on the inner shelf south of Martha's Vineyard, MA and a numerical model are used to describe the effect of stratification on inner shelf circulation, transport, and sediment resuspension height. Thermal stratification above the bottom mixed layer is shown to cap the height to which sediment is resuspended. Stratification increases the transport driven by cross-shelf wind stresses, and this effect is larger in the response to offshore winds than onshore winds. However, a one-dimensional view of the dynamics is not sufficient to explain the relationship between circulation and stratification. An idealized, cross-shelf transect in a numerical model (ROMS) is used to isolate the effects of stratification, wind stress magnitude, surface heat flux, cross-shelf density gradient, and wind direction on the inner shelf response to the cross-shelf component of the wind stress. In well mixed and weakly stratified conditions, the cross-shelf density gradient can be used to predict the transport efficiency of the cross-shelf wind stress. In stratified conditions, the presence of an along-shelf wind stress component makes the inner shelf response to cross-shelf wind stress strongly asymmetric.
by Rachel Mandy Horwitz.
Ph.D.
Zhai, Ping Ph D. Massachusetts Institute of Technology. "Buoyancy-driven circulation in the Red Sea." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/95561.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 175-180).
This thesis explores the buoyancy-driven circulation in the Red Sea, using a combination of observations, as well as numerical modeling and analytical method. The first part of the thesis investigates the formation mechanism and spreading of Red Sea Overflow Water (RSOW) in the Red Sea. The preconditions required for open-ocean convection, which is suggested to be the formation mechanism of RSOW, are examined. The RSOW is identified and tracked as a layer with minimum potential vorticity and maximum chlorofluorocarbon-12. The pathway of the RSOW is also explored using numerical simulation. If diffusivity is not considered, the production rate of the RSOW is estimated to be 0.63 Sv using Walin's method. By comparing this 0.63 Sv to the actual RSOW transport at the Strait of Bab el Mandeb, it is implied that the vertical diffusivity is about 3.4 x10-5 m 2 s-1. The second part of the thesis studies buoyancy-forced circulation in an idealized Red Sea. Buoyancy-loss driven circulation in marginal seas is usually dominated by cyclonic boundary currents on f-plane, as suggested by previous observations and numerical modeling. This thesis suggests that by including [beta]-effect and buoyancy loss that increases linearly with latitude, the resultant mean Red Sea circulation consists of an anticyclonic gyre in the south and a cyclonic gyre in the north. In mid-basin, the northward surface flow crosses from the western boundary to the eastern boundary. The observational support is also reviewed. The mechanism that controls the crossover of boundary currents is further explored using an ad hoc analytical model based on PV dynamics. This ad hoc analytical model successfully predicts the crossover latitude of boundary currents. It suggests that the competition between advection of planetary vorticity and buoyancy-loss related term determines the crossover latitude. The third part of the thesis investigates three mechanisms that might account for eddy generation in the Red Sea, by conducting a series of numerical experiments. The three mechanisms are: i) baroclinic instability; ii) meridional structure of surface buoyancy losses; iii) cross-basin wind fields.
by Ping Zhai.
Ph. D.
Hang, Jian, and 杭建. "Wind conditions and urban ventilation in idealized city models." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42841471.
Full textDail, Holly Janine. "Atlantic Ocean circulation at the last glacial maximum : inferences from data and models." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78367.
Full textThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (p. 221-236).
This thesis focuses on ocean circulation and atmospheric forcing in the Atlantic Ocean at the Last Glacial Maximum (LGM, 18-21 thousand years before present). Relative to the pre-industrial climate, LGM atmospheric CO₂ concentrations were about 90 ppm lower, ice sheets were much more extensive, and many regions experienced significantly colder temperatures. In this thesis a novel approach to dynamical reconstruction is applied to make estimates of LGM Atlantic Ocean state that are consistent with these proxy records and with known ocean dynamics. Ocean dynamics are described with the MIT General Circulation Model in an Atlantic configuration extending from 35°S to 75°N at 1° resolution. Six LGM proxy types are used to constrain the model: four compilations of near sea surface temperatures from the MARGO project, as well as benthic isotope records of [delta]¹⁸O and [delta]¹³C compiled by Marchal and Curry; 629 individual proxy records are used. To improve the fit of the model to the data, a least-squares fit is computed using an algorithm based on the model adjoint (the Lagrange multiplier methodology). The adjoint is used to compute improvements to uncertain initial and boundary conditions (the control variables). As compared to previous model-data syntheses of LGM ocean state, this thesis uses a significantly more realistic model of oceanic physics, and is the first to incorporate such a large number and diversity of proxy records. A major finding is that it is possible to find an ocean state that is consistent with all six LGM proxy compilations and with known ocean dynamics, given reasonable uncertainty estimates. Only relatively modest shifts from modern atmospheric forcing are required to fit the LGM data. The estimates presented herein succesfully reproduce regional shifts in conditions at the LGM that have been inferred from proxy records, but which have not been captured in the best available LGM coupled model simulations. In addition, LGM benthic [delta]¹⁸O and [delta]¹³C records are shown to be consistent with a shallow but robust Atlantic meridional overturning cell, although other circulations cannot be excluded.
by Holly Janine Dail.
Ph.D.
Kaspi, Yohai. "Turbulent convection in the anelastic rotating sphere : a model for the circulation on the giant planets." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45780.
Full textIncludes bibliographical references (p. 207-221).
This thesis studies the dynamics of a rotating compressible gas sphere, driven by internal convection, as a model for the dynamics on the giant planets. We develop a new general circulation model for the Jovian atmosphere, based on the MITgcm dynamical core augmenting the nonhydrostatic model. The grid extends deep into the planet's interior allowing the model to compute the dynamics of a whole sphere of gas rather than a spherical shell (including the strong variations in gravity and the equation of state). Different from most previous 3D convection models, this model is anelastic rather than Boussinesq and thereby incorporates the full density variation of the planet. We show that the density gradients caused by convection drive the system away from an isentropic and therefore barotropic state as previously assumed, leading to significant baroclinic shear. This shear is concentrated mainly in the upper levels and associated with baroclinic compressibility effects. The interior flow organizes in large cyclonically rotating columnar eddies parallel to the rotation axis, which drive upgradient angular momentum eddy fluxes, generating the observed equatorial superrotation. Heat fluxes align with the axis of rotation, contributing to the observed flat meridional emission. We show the transition from weak convection cases with symmetric spiraling columnar modes similar to those found in previous analytic linear theory, to more turbulent cases which exhibit similar, though less regular and solely cyclonic, convection columns which manifest on the surface in the form of waves embedded within the superrotation. We develop a mechanical understanding of this system and scaling laws by studying simpler configurations and the dependence on physical properties such as the rotation period, bottom boundary location and forcing structure. These columnar cyclonic structures propagate eastward, driven by dynamics similar to that of a Rossby wave except that the restoring planetary vorticity gradient is in the opposite direction, due to the spherical geometry in the interior.
(cont.) We further study these interior dynamics using a simplified barotropic annulus model, which shows that the planetary vorticity radial variation causes the eddy angular momentum flux divergence, which drives the superrotating equatorial flow. In addition we study the interaction of the interior dynamics with a stable exterior weather layer, using a quasigeostrophic two layer channel model on a beta plane, where the columnar interior is therefore represented by a negative beta effect. We find that baroclinic instability of even a weak shear can drive strong, stable multiple zonal jets. For this model we find an analytic nonlinear solution, truncated to one growing mode, that exhibits a multiple jet meridional structure, driven by the nonlinear interaction between the eddies. Finally, given the density field from our 3D convection model we derive the high order gravitational spectra of Jupiter, which is a measurable quantity for the upcoming JUNO mission to Jupiter.
by Yohai Kaspi.
Ph.D.
Verdy, Ariane. "Dynamics of marine zooplankton : social behavior, ecological interactions, and physically-induced variability." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43158.
Full textIncludes bibliographical references (p. [221]-232).
Marine ecosystems reflect the physical structure of their environment and the biological processes they carry out. This leads to spatial heterogeneity and temporal variability, some of which is imposed externally and some of which emerges from the ecological mechanisms themselves. The main focus of this thesis is on the formation of spatial patterns in the distribution of zooplankton arising from social interactions between individuals. In the Southern Ocean, krill often assemble in swarms and schools, the dynamics of which have important ecological consequences. Mathematical and numerical models are employed to study the interplay of biological and physical processes that contribute to the observed patchiness. The evolution of social behavior is simulated in a theoretical framework that includes zooplankton population dynamics, swimming behavior, and some aspects of the variability inherent to fluid environments. First, I formulate a model of resource utilization by a stage-structured predator population with density-dependent reproduction. Second, I incorporate the predator-prey dynamics into a spatially-explicit model, in which aggregations develop spontaneously as a result of linear instability of the uniform distribution. In this idealized ecosystem, benefits related to the local abundance of mates are offset by the cost of having to share resources with other group members. Third, I derive a weakly nonlinear approximation for the steady-state distributions of predator and prey biomass that captures the spatial patterns driven by social tendencies. Fourth, I simulate the schooling behavior of zooplankton in a variable environment; when turbulent flows generate patchiness in the resource field, schools can forage more efficiently than individuals.
(cont.) Taken together, these chapters demonstrate that aggregation/ schooling can indeed be the favored behavior when (i) reproduction (or other survival measures) increases with density in part of the range and (ii) mixing of prey into patches is rapid enough to offset the depletion. In the final two chapters, I consider sources of temporal variability in marine ecosystems. External perturbations amplified by nonlinear ecological interactions induce transient ex-cursions away from equilibrium; in predator-prey dynamics the amplitude and duration of these transients are controlled by biological processes such as growth and mortality. In the Southern Ocean, large-scale winds associated with ENSO and the Southern Annular Mode cause convective mixing, which in turn drives air-sea fluxes of carbon dioxide and oxygen. Whether driven by stochastic fluctuations or by climatic phenomena, variability of the biogeochemical/physical environment has implications for ecosystem dynamics.
by Ariane Verdy.
Ph.D.
Verdy, Ariane. "Variability of zooplankton and sea surface temperature in the Southern Ocean." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/39197.
Full textIncludes bibliographical references (p. 69-74).
Interactions between physical and biological processes in the Southern Ocean have significant impacts on local ecosystems as well as on global climate. In this thesis, I present evidence that the Southern Ocean circulation affects the variability of zooplankton and sea surface temperature, both of which are involved in air-sea exchanges of carbon dioxide. First, I examine the formation of spatial patterns in the distribution of Antarctic krill (Euphausia superba) resulting from social behavior. Turbulence of the flow is found to provide favorable conditions for the evolution social behavior in an idealized biological-physical model. Second, I analyze observations of sea surface temperature variability in the region of the Antarctic circumpolar current. Results suggest that propagating anomalies can be explained as a linear response to local atmospheric forcing by the Southern Annular Mode and remote forcing by El-Nifio southern oscillation, in the presence of advection by a mean flow.
by Ariane Verdy.
S.M.
Books on the topic "Atmospheric circulation Mathematics"
Dymnikov, V. P. Ustoĭchivostʹ krupnomasshtabnykh atmosfernykh prot͡s︡essov. Leningrad: Gidrometeoizdat, 1990.
Find full textUstoĭchivostʹ krupnomasshtabnykh atmosfernykh prot͡s︡essov. Moskva: Akademii͡a︡ nauk SSSR, Otdel vychislitelʹnoĭ matematiki, 1988.
Find full textMiura, Hiroaki. Development of a mixed finite-difference/finite-volume scheme for the shallow water model on a spherical geodesic grid. [Tokyo, Japan]: Center for Climate System Research, University of Tokyo, 2004.
Find full textLangematz, Ulrike. Eine dreidimensionale Modellsimulation der Zirkulation in der Mittleren Atmosphäre mit Aspekten troposphärisch-stratosphärischer Wechselwirkungen: (DK 551.506.7/551.510.53 ... Berlin: D. Reimer, 1991.
Find full textKouker, Wolfgang. Eine Studie zur Klimatologie der mittleren Atmosphäre mit Hilfe eines 3-D Zirkulationsmodells. Berlin: D. Reimer, 1988.
Find full textTschuck, Peter. Atmospheric blocking in a general circulation model. Zürich: Geographisches Institut ETH, 1998.
Find full textEnting, I. G. A strategy for calibrating atmospheric transport models. Melbourne: Commonwealth Scientific and Industrial Research Organization, Australia, 1985.
Find full textLäuter, Matthias. Grossäumige Zirkulationsstrukturen in einem nichtlinearen adaptiven atmosphärenmodell =: Large-scale circulation structures in a nonlinear adaptive model of the atmosphere. Bremerhaven: Alfred-Wegener-Institut für Polar- und Meeresforschung, 2005.
Find full textSwart, H. E. de. Vacillation and predictability properties of low-order atmospheric spectral models. Amsterdam, the Netherlands: Centrum voor Wiskunde en Informatica, 1989.
Find full textZhu, Yong. Geostrophic wave circulations. 2nd ed. Boston: New Knowledge Pub., 2002.
Find full textBook chapters on the topic "Atmospheric circulation Mathematics"
Dymnikov, Valentin P., and Aleksander N. Filatov. "Regimes of Atmosphere Circulation." In Mathematics of Climate Modeling, 221–33. Boston, MA: Birkhäuser Boston, 1997. http://dx.doi.org/10.1007/978-1-4612-4148-5_8.
Full textOlbers, Dirk, Carsten Eden, Erich Becker, Friederike Pollmann, and Johann Jungclaus. "The IDEMIX Model: Parameterization of Internal Gravity Waves for Circulation Models of Ocean and Atmosphere." In Mathematics of Planet Earth, 87–125. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05704-6_3.
Full textHughes, C. W. "The Role of Bottom Pressure Torques in the Ocean Circulation." In IUTAM Symposium on Advances in Mathematical Modelling of Atmosphere and Ocean Dynamics, 173–78. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0792-4_21.
Full textHodnett, P. F., and Raymond McNamara. "Baroclinic Structure of a Modified Stommel-Arons Model of the Abyssal Ocean Circulation." In IUTAM Symposium on Advances in Mathematical Modelling of Atmosphere and Ocean Dynamics, 161–66. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0792-4_19.
Full textPedlosky, Joseph. "Kelvin’s Theorem and the Oceanic Circulation in the Presence of Islands and Broken Ridges." In IUTAM Symposium on Advances in Mathematical Modelling of Atmosphere and Ocean Dynamics, 69–80. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0792-4_5.
Full textShepherd, Theodore G. "The General Circulation of the Atmosphere and Oceans." In Mathematics of Planet Earth, 1–38. WORLD SCIENTIFIC (EUROPE), 2017. http://dx.doi.org/10.1142/9781786343840_0001.
Full textLenhard, Johannes. "Experiment and Artificiality." In Calculated Surprises, 17–45. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190873288.003.0002.
Full textEspa, Stefania, Maria Grazia Badas, and Simon Cabanes. "Vortex Analysis and Fluid Transport in Time-Dependent Flows." In Vortex Dynamics - From Physical to Mathematical Aspects [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.105196.
Full textConference papers on the topic "Atmospheric circulation Mathematics"
Lukyanova, Anna, Anna Lukyanova, Andrei Bagaev, Andrei Bagaev, Vladimir Zalesny, Vladimir Zalesny, Vitaliy Ivanov, and Vitaliy Ivanov. "NUMERICAL SIMULATION OF THE SEMIDIURNAL TIDAL WAVE IMPACT ON THE BLACK SEA CLIMATIC CIRCULATION." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b9439af4c65.49313476.
Full textLukyanova, Anna, Anna Lukyanova, Andrei Bagaev, Andrei Bagaev, Vladimir Zalesny, Vladimir Zalesny, Vitaliy Ivanov, and Vitaliy Ivanov. "NUMERICAL SIMULATION OF THE SEMIDIURNAL TIDAL WAVE IMPACT ON THE BLACK SEA CLIMATIC CIRCULATION." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4316462ec6.
Full textGopalan, R., A. M. Al-Jumaily, and P. Leece. "An Investigation Into the Drying of Distribution Transformers Using the Hot Air Vacuum Method." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1328.
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