Relevant bibliographies by topics / Zonal patterns

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Zonal patterns'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Zonal patterns"

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Gerber, Edwin P., and Geoffrey K. Vallis. "Eddy–Zonal Flow Interactions and the Persistence of the Zonal Index." Journal of the Atmospheric Sciences 64, no. 9 (2007): 3296–311. http://dx.doi.org/10.1175/jas4006.1.

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Abstract An idealized atmospheric general circulation model is used to investigate the factors controlling the time scale of intraseasonal (10–100 day) variability of the extratropical atmosphere. Persistence on these time scales is found in patterns of variability that characterize meridional vacillations of the extratropical jet. Depending on the degree of asymmetry in the model forcing, patterns take on similar properties to the zonal index, annular modes, and North Atlantic Oscillation. It is found that the time scale of jet meandering is distinct from the obvious internal model time scale
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Jiongxin, Xu. "A study of zonal distribution of river channel patterns in China." Zeitschrift für Geomorphologie 39, no. 1 (1995): 117–32. http://dx.doi.org/10.1127/zfg/39/1995/117.

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Gantes-Nuñez, Francisco Javier, Zacarías Malacara-Hernández, Daniel Malacara-Doblado, and Daniel Malacara-Hernández. "Zonal processing of Hartmann or Shack–Hartmann patterns." Applied Optics 56, no. 7 (2017): 1898. http://dx.doi.org/10.1364/ao.56.001898.

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Duba, C. T., T. B. Doyle, and J. F. McKenzie. "Rossby wave patterns in zonal and meridional winds." Geophysical & Astrophysical Fluid Dynamics 108, no. 3 (2014): 237–57. http://dx.doi.org/10.1080/03091929.2013.867604.

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Sheshadri, Aditi, and R. Alan Plumb. "Propagating Annular Modes: Empirical Orthogonal Functions, Principal Oscillation Patterns, and Time Scales." Journal of the Atmospheric Sciences 74, no. 5 (2017): 1345–61. http://dx.doi.org/10.1175/jas-d-16-0291.1.

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Abstract The two leading empirical orthogonal functions (EOFs) of zonal-mean zonal wind describe north–south fluctuations, and intensification and narrowing, respectively, of the midlatitude jet. Under certain circumstances, these two leading EOFs cannot be regarded as independent but are in fact manifestations of a single, coupled, underlying mode of the dynamical system describing the evolution in time of zonal wind anomalies. The true modes are revealed by the principal oscillation patterns (POPs). The leading mode and its associated eigenvalue are complex, its structure involves at least t
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Khatri, Hemant, and Pavel Berloff. "Tilted drifting jets over a zonally sloped topography: effects of vanishing eddy viscosity." Journal of Fluid Mechanics 876 (August 9, 2019): 939–61. http://dx.doi.org/10.1017/jfm.2019.579.

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Oceanic multiple jets are seen to possess spatio-temporal variability imposed by varying bottom topography resulting in jets that can drift and merge. The dynamics of multiple jets over a topographic zonal slope is studied in a two-layer quasi-geostrophic model. The jets tilt from the zonal direction and drift meridionally. In addition to the tilted jets, other large-scale spatial patterns are observed, which are extracted using the principal component analysis. The variances of these patterns are strongly influenced by the values of eddy viscosity and bottom friction parameters. The contribut
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Filion, Pierre, Trudi Bunting, Kathleen McSpurren, and Alan Tse. "Canada-U.S. Metropolitan Density Patterns: Zonal Convergence and Divergence1." Urban Geography 25, no. 1 (2004): 42–65. http://dx.doi.org/10.2747/0272-3638.25.1.42.

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Cash, Benjamin A., Paul J. Kushner, and Geoffrey K. Vallis. "Zonal Asymmetries, Teleconnections, and Annular Patterns in a GCM." Journal of the Atmospheric Sciences 62, no. 1 (2005): 207–19. http://dx.doi.org/10.1175/jas-3361.1.

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Abstract The influence of zonally asymmetric boundary conditions on the leading modes of variability in a suite of atmospheric general circulation models is investigated. The set of experiments consists of nine model configurations, with varying degrees and types of zonal asymmetry in their boundary conditions. The structure of the leading EOF varies with the zonal asymmetry of the base state for each model configuration. In particular, a close relationship is found between the structure of the EOF and the model storm tracks. An approximately linear relationship is found to hold between the ma
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Kneser, Ulrich, Justus P. Beier, Marweh Schmitz, et al. "Zonal perfusion patterns in pedicled free-style perforator flaps." Journal of Plastic, Reconstructive & Aesthetic Surgery 67, no. 1 (2014): e9-e17. http://dx.doi.org/10.1016/j.bjps.2013.09.006.

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Belmadani, Ali, Pierre-Amaël Auger, Nikolai Maximenko, Katherine Gomez, and Sophie Cravatte. "Similarities and Contrasts in Time-Mean Striated Surface Tracers in Pacific Eastern Boundary Upwelling Systems: The Role of Ocean Currents in Their Generation." Fluids 6, no. 12 (2021): 455. http://dx.doi.org/10.3390/fluids6120455.

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Eastern boundary upwelling systems feature strong zonal gradients of physical and biological properties between cool, productive coastal oceans and warm, oligotrophic subtropical gyres. Zonal currents and jets (striations) are therefore likely to contribute to the transport of water properties between coastal and open oceanic regions. For the first time, multi-sensor satellite data are used to characterize the time-mean signatures of striations in sea surface temperature (SST), salinity (SSS), and chlorophyll-a (Chl-a) in subtropical eastern North/South Pacific (ENP/ESP) upwelling systems. In
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Dissertations / Theses on the topic "Zonal patterns"

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Crook, Julia Anne. "Quantifying zonal patterns of climate feedbacks and their role in polar amplification." Thesis, University of Leeds, 2011. http://etheses.whiterose.ac.uk/2583/.

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The significant climate warming seen over the 20th century has been largely attributed to anthropogenic emissions of greenhouse gases. Spatial patterns of likely future warming are dependent on patterns of climate feedback, but current understanding of climate feedbacks is largely at the global mean or hemispheric scale. The aim of this project is to improve understanding of zonal mean climate feedbacks and their contribution to polar amplification using observations and models. Zonal mean climate feedbacks and contributions to the equilibrium temperature response were determined for eight sla
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Mello, Raquel Gewehr de. "Reconstrução dos paleoventos do Gonduana no Juro-cretáceo." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/173583.

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A passagem de um padrão monsoonal para um padrão de circulação atmosférica zonal ocorreu durante o Cretáceo devido à fragmentação do Supercontinente Gonduana. Essa mudança na direção dos paleoventos é registrada no mergulho de estratos cruzados de dunas eólicas acumuladas em várias bacias de Gonduana. Três mapas de reconstrução de paleoventos foram construídos com a integração de dados paleocorrentes compilados de bacias Fanerozoicas brasileiras, Bacia de Neuquén na Argentina e bacias do Congo e Huab na África. O Gonduana foi dominado por ventos do nordeste ao norte e ventos do sudoeste ao sul
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Teixeira, Fernanda Zimmermann. "Fauna atropelada : estimativas de mortalidade e identificação de zonas de agregação." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/49270.

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O atropelamento de animais silvestres é considerado como o principal fator antrópico responsável diretamente pela mortalidade de vertebrados terrestres em escala global. Estimativas de mortalidade são fundamentais para avaliar o impacto de rodovias, mas para reduzir o seu viés a remoção de carcaças e a eficiência dos observadores devem ser consideradas. Medidas mitigadoras têm sido implementadas para reduzir a mortalidade da fauna e ampliar a conectividade da paisagem, mas um fator determinante para a sua efetividade é a sua correta localização. Com o objetivo de qualificar o planejamento de m
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Barbosa, Augusto Cesar Barros. "Oscilações intrasazonais no Indo-Pacífico e na zona de convergência do Atlântico Sul: estudo observacional e numérico." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/14/14133/tde-25062013-120942/.

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O presente trabalho foi particularmente motivado pela necessidade de se compreender a variabilidade do sinal intrasazonal relacionado a eventos extremos da Oscilação de Madden-Julian (OMJ) fator consensual na mudança do clima em diversas regiões do globo terrestre, em virtude de seus padrões de teleconexão atmosférica. Tal necessidade exige habilidades diferenciadas, como as apresentadas para o modelo OLAM v3.3 no decorrer do presente estudo. Foram utilizados dados observacionais da Reanálises II do NCEP (campo de vento em 200 e 850 mb) assim como variáveis obtidas por satélites (Radiação de
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Tejero, Cicuéndez Héctor 1993. "Patterns and drivers of desert reptile diversity at different phylogenetic and spatial scales." Doctoral thesis, TDX (Tesis Doctorals en Xarxa), 2021. http://hdl.handle.net/10803/672957.

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Biodiversity patterns result from the interplay of evolutionary, ecological, and environmental processes. Investigating the drivers of such patterns is central to evolutionary biology, and it is further essential to understand how the undergoing global changes will shape the future of biodiversity. This thesis explores diversity patterns and their drivers at different taxonomic and spatial scales, using reptiles from arid regions as a model of study. Specifically, this thesis analyzes the ecomorphological diversity of the Afro-Arabian geckos of the genus Pristurus in the context of island colo
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Shahror, Rami Ahmad Nawaf. "Characterization of the Transcription Factor NF‐Y in the Regulation of Zona Pellucida Genes in Zebrafish Ovary." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-30318.

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Zona pellucida glycoproteins (ZP) are important proteins for maturation of the oocytes in eukaryotes, these proteins are encoded by cluster of zp genes. zp2.3 and zp3.5 genes are expressed during the developing and maturation of the oocytes in zebrafish ovaries. Both of the gens have a CCAAT box in their promoter regions, playing a big role in the expression of the both genes in zebrafish oocytes. The transcription of the genes in the eukaryotes requires transcription factors to initiate and promote the transcription, the transcription factors can bind to the promoter region and initiate the t
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Silva, Nelson Tavares da. "Three-way multivariate methods in the evaluation of patterns of stability and change in the eurozone countries." Doctoral thesis, 2014. http://hdl.handle.net/10400.1/7575.

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Tese de doutoramento, Métodos Quantitativos Aplicados à Economia e à Gestão, Faculdade de Economia, Universidade do Algarve, 2014<br>Embora na análise multivariada seja comum existirem várias tabelas de dados quantitativos, obtidas em diferentes ocasiões ou condições, os tradicionais métodos de duas vias não se revelam adequados para encontrar as estruturas comuns subjacentes.
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Books on the topic "Zonal patterns"

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Behera, Swadhin, and Toshio Yamagata. Climate Dynamics of ENSO Modoki Phenomena. Oxford University Press, 2018. http://dx.doi.org/10.1093/acrefore/9780190228620.013.612.

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The El Niño Modoki/La Niña Modoki (ENSO Modoki) is a newly acknowledged face of ocean-atmosphere coupled variability in the tropical Pacific Ocean. The oceanic and atmospheric conditions associated with the El Niño Modoki are different from that of canonical El Niño, which is extensively studied for its dynamics and worldwide impacts. A typical El Niño event is marked by a warm anomaly of sea surface temperature (SST) in the equatorial eastern Pacific. Because of the associated changes in the surface winds and the weakening of coastal upwelling, the coasts of South America suffer from widespre
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Book chapters on the topic "Zonal patterns"

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Wang, Zhaoyang, Beihong Jin, Fusang Zhang, Ruiyang Yang, and Qiang Ji. "Discovering Trip Patterns from Incomplete Passenger Trajectories for Inter-zonal Bus Line Planning." In Lecture Notes in Computer Science. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-47099-3_13.

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Manzi, Hilda, and Joseph P. Gweyi-Onyango. "Agro-ecological Lower Midland Zones IV and V in Kenya Using GIS and Remote Sensing for Climate-Smart Crop Management." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_35.

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AbstractFood production in Kenya and Africa in recent past has experienced vagaries of weather fluctuations which ultimately have affected crop yield. Farming in Kenya is localized in specific Agro-ecological zones, hence understanding crop growth responses in particular regions is crucial in planning and management for purposes of accelerating adoption. A number of strategies for adoption and adaptation to changing weather patterns have been deployed yet only limited challenges have been partially addressed or managed. This chapter examines previous methods used in classifying agro-ecological
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Manzi, Hilda, and Joseph P. Gweyi-Onyango. "Agro-ecological Lower Midland Zones IV and V in Kenya Using GIS and Remote Sensing for Climate-Smart Crop Management." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42091-8_35-1.

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AbstractFood production in Kenya and Africa in recent past has experienced vagaries of weather fluctuations which ultimately have affected crop yield. Farming in Kenya is localized in specific Agro-ecological zones, hence understanding crop growth responses in particular regions is crucial in planning and management for purposes of accelerating adoption. A number of strategies for adoption and adaptation to changing weather patterns have been deployed yet only limited challenges have been partially addressed or managed. This chapter examines previous methods used in classifying agro-ecological
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Litjens, Geert, Oscar Debats, Wendy van de Ven, Nico Karssemeijer, and Henkjan Huisman. "A Pattern Recognition Approach to Zonal Segmentation of the Prostate on MRI." In Medical Image Computing and Computer-Assisted Intervention – MICCAI 2012. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33418-4_51.

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Yin, Xuemei, Ke He, Dongdong Chen, Xuan Li, Yuzhu Li, and Mingtian Wang. "Characteristics of Climate Element Changes and Mango Planting Climate Suitability Changes in Panxi Region Under Global Warming." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-8401-1_6.

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AbstractBased on the observation data of 32 meteorological stations in Panxi and surrounding areas from 1961 to 2020 and Digital Elevation Model (DEM) data, the climate suitability zoning indicators for mango planting in Panxi region are comprehensively determined. Using linear trend analysis and regression methods, a grid calculation model for zoning indicators is established to analyze the changes in zoning indicators and the suitability of mango planting in Panxi region during the two periods of 1961–1990 and 1991–2020. The results show that the annual average temperature, ≥ 10℃ accumulated
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"zonal pattern." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_260070.

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"zonal pattern." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_260071.

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Parker, Jeffrey B., and John A. Krommes. "Zonal Flow as Pattern Formation." In Zonal Jets. Cambridge University Press, 2019. http://dx.doi.org/10.1017/9781107358225.026.

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Krishnan, Kannan M. "Crystallography and Diffraction." In Principles of Materials Characterization and Metrology. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198830252.003.0004.

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Crystalline materials have a periodic arrangement of atoms, exhibit long range order, and are described in terms of 14 Bravais lattices, 7 crystal systems, 32 point groups, and 230 space groups, as tabulated in the International Tables for Crystallography. We introduce the nomenclature to describe various features of crystalline materials, and the practically useful concepts of interplanar spacing and zonal equations for interpreting electron diffraction patterns. A crystal is also described as the sum of a lattice and a basis. Practical materials harbor point, line, and planar defects, and th
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Płonka, Tomasz. "Sculpture and Art (Portable and Non-Portable)." In The Oxford Handbook of Mesolithic Europe. Oxford University Press, 2025. https://doi.org/10.1093/oxfordhb/9780198853657.013.61.

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Abstract This chapter describes the Mesolithic portable art of Europe and its interpretations. It analyses objects in the form of engravings on tools and ceremonial objects, and non-portable monumental sculptures. The engravings were usually manufactured on artefacts made of bone, antler, wood, and stone, and on amber beads, the latter known only in southern Scandinavia. Most of the artefacts were found in northern Europe where the conditions for the preservation of organic artefacts are favourable. Engraved patterns are rather geometrical; anthropomorphic and zoomorphic motifs are rare. One c
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Conference papers on the topic "Zonal patterns"

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Pathak, Biswajit, and Bosanta R. Boruah. "Zonal wavefront estimation using an array of hexagonal grating patterns." In MOSSBAUER SPECTROSCOPY IN MATERIALS SCIENCE - 2014. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4898224.

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Tejnil, E., K. A. Goldberg, E. H. Anderson, and J. Bokor. "Zonal Placement Errors in Zone Plate Lenses." In Extreme Ultraviolet Lithography. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/eul.1996.om138.

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Diffractive zone plate lenses are critical elements in extreme ultraviolet and soft x-ray applications that require optical imaging or light concentration. To achieve good optical performance, the zone plate features must be accurately defined over the sizable area of the zone plate. Here the effects of zone placement fabrication errors on the performance of zone plates are investigated. Experimentally observed zone-plate diffraction patterns are compared to calculated profiles for different zone placement error models to estimate the magnitude of zonal placement errors.
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Dai, Bi-Ru, and Meng-Yan Lin. "Efficiently Mining Dynamic Zonal Co-location Patterns Based on Maximal Co-locations." In 2011 IEEE International Conference on Data Mining Workshops (ICDMW). IEEE, 2011. http://dx.doi.org/10.1109/icdmw.2011.73.

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Li, Mengyang, Dahai Li, Chen Zhang, Kewei E, Zhihan Hong, and Chengxu Li. "Improved zonal wavefront reconstruction algorithm for Hartmann type test with arbitrary grid patterns." In International Conference on Optical Instruments and Technology 2015, edited by Jigui Zhu, Hwa-Yaw Tam, Kexin Xu, Hai Xiao, and Sen Han. SPIE, 2015. http://dx.doi.org/10.1117/12.2193310.

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Moreno, V., C. Gómez-Reino, J. H. Garcia, and M. V. Pérez. "Alignment of a Mach-Zehnder Interferometer by analysis of fringe patterns produced by zonal plates." In Optical Fabrication and Testing. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oft.1987.thaa8.

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Recently a quick an easy method for optical alignment of the Mach-Zehnder interferometer (MZI) by an equilateral hyperbolic zonal plate (EHZP) has been proposed (1). When an EHZP is placed in front of the MZI, the light emerging from the interferometer produces only one focal cross on a field of view uniformly illuminated if the interferometer is adjusted and the principal focal distance of the EHZP is higher than the length of the MZI arms. However, when the interferometer is not adjusted, two focal crosses, defocalization of crosses and wedge fringes, may appear on the observation plane. The
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Vishnevskaya, V. S. "CORRELATION OF THE UPPER–LOWER CRETACEOUS ZONAL PATTERNS BY MICROFOSSILS FOR THE BAZHENOVO FORMATION OF WESTERN SIBERIA." In PALEONTOLOGY, STRATIGRAPHY AND PALEOGEOGRAPHY OF THE MESOZOIC AND CENOZOIC IN BOREAL REGIONS. Trofimuk Institute of Petroleum Geology and Geophysics (SB RAS), 2021. http://dx.doi.org/10.18303/b978-5-4262-0104-0-31.

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Hassan, A. A., N. A. Alajmi, M. T. Al-Murayri, et al. "Integrated Framework for Time-Lapse Surveillance and Monitoring: Findings from the Patterns of Polymer Enhanced Oil Recovery Pilot in a Sour, High-Salinity, Shallow Heavy Oil Reservoir Applying Low Injection Rates." In SPE Conference at Oman Petroleum & Energy Show. SPE, 2025. https://doi.org/10.2118/225152-ms.

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Abstract Polymer injection is globally used in Enhanced Oil Recovery (EOR) techniques and is designed to improve the displacement efficiency of oil in the reservoirs. It involves injecting a polymer solution into the reservoir to increase the viscosity of the injected water, thereby improving the mobility ratio between the displacing fluid (water) and the displaced fluid (oil). This method is particularly effective in reservoirs with high permeability and high oil viscosity, where conventional water flooding is inefficient. In the context of high viscosity, low permeability, and high salinity,
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Nan, Xi, Feng Lin, Takehiro Himeno, and Toshinori Watanabe. "The Behavior of the Casing Boundary Layer With the Presence of Tip Leakage Vortex." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75916.

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Casing boundary layer effectively places a limit on the pressure rise capability achievable by the compressor. The separation of the casing boundary layer not only produce flow loss but also closely related to the compressor rotating stall. The motivation of this paper is to present a viewpoint that the casing boundary layer should be paid attention to in parallel with other flow factors on rotating stall trigger. This paper illustrates the casing boundary layer behavior by displaying its separation phenomena with the presence of tip leakage vortex at different flow conditions. Skin friction l
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Mahrouqi, Jawhara, Monalisa Chatterjee, Paul Hewitt, et al. "Strategies to Mitigate the Challenges of Short Circuiting in Waterflood Reservoirs with Tracers: A Case Study." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/207591-ms.

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Abstract Water short circuiting leading to early, sudden and massive water breakthroughs in producer wells has been a lingering concern to oil operators for many years. Unfavorable mobility ratio leading to viscous fingering, horizontal wells exhibiting ‘the heel-toe effect’ and fields with fracture-fault activities are more prone to these kinds of unwanted water breakthroughs, suffering from oil production losses and higher operational cost for management of the excessive produced water. A brown field in the south of the Sultanate of Oman was experiencing massive water short circuiting within
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Dubey, Pranav, Adrian Okpere, Gideon Sanni, and Ifeanyi Onyeukwu. "A Cost Effective, Fit-for-Purpose Single Well Producer-Injector Completion Strategy for Improved Recovery of Oil: Case Study in Niger Delta." In SPE/AAPG Africa Energy and Technology Conference. SPE, 2016. http://dx.doi.org/10.2118/afrc-2533899-ms.

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ABSTRACT An optimized completion design that addresses gaps in the existing single well Producer-Injector (P-I) concept is presented in this paper. Field development scenarios based on the optimized P-I concept and conventional waterflood were implemented in full-field 3D simulation models. Detailed review of the existing single P-I well concept revealed gaps in the completion design with regards to feasibility of data acquisition, ease of well intervention and well safety/control. The existing design utilizes a Single-String-Single (SSS) design with through-tubing water injection and oil prod
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Reports on the topic "Zonal patterns"

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Jeffrey B. Parker and John A. Krommes. Zonal Flow as Pattern Formation: Merging Jets and the Ultimate Jet Length Scale. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1062392.

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