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  • 2015-2019  (410)
  • 2010-2014  (16)
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  • 1
    Online Resource
    Online Resource
    New York :Columbia University Press,
    Keywords: Mammals, Fossil - Asia. ; Electronic books.
    Description / Table of Contents: The first textbook devoted to the late Cenozoic (Neogene) mammalian biostratigraphy and geochronology of Asia, this volume deploys cutting edge biostratigraphical and geochemical dating methods to map the emergence of mammals across the continent. Written by specialists working in a variety of Asian regions, it uses data from many basins with spectacular fossil records to establish a groundbreaking geochronologic framework for land mammal evolution. Asia's violent tectonic history has resulted in some of the world's most varied topography, and its high mountain ranges and intense monsoon climates have spawned widely diverse environments over time. These geologic conditions profoundly influenced the evolution of Asian mammals and their migration into Europe, Africa, and North America. Focusing on amazing new fossil finds that have redefined Asia's role in mammal evolution, this textbook synthesizes information from a range of field studies on Asian mammals and biostratigraphy, helping to trace the histories and movements of extinct and extant mammals from various major groups and all northern continents, and providing geologists from all disciplines with a richer understanding of a variety of Asia's terrains.
    Type of Medium: Online Resource
    Pages: 1 online resource (759 pages)
    ISBN: 9780231520829
    Series Statement: NONE
    DDC: 569.095
    Language: English
    Note: Intro -- { CONTENTS } -- Introduction: Toward a Continental Asian Biostratigraphic and Geochronologic Framework -- PART I: EAST ASIA -- 1. Neogene Land Mammal Staegs/Ages of China: Toward the Goal to Establish an Asian Land Mammal Stage/Age Scheme -- 2. North China Neogene Biochronology: A Chinese Standard -- 3. A Single-Point Base Definition of the Xiejian Age as an Exemplar for Refining Chinese Land Mammal Ages -- 4. Early Miocene Xiejiahe and Sihong Fossil Localities and Their Faunas, Eastern China -- 5. Neogene Faunal Succession and Biochronology of Central Nei Mongol (Inner Mongolia) -- 6. Mammalian Biochronology of the Late Miocene Bahe Formation -- 7. Stratigraphy and Paleoecology of the Classical Dragon Bone Localities of Baode County, Shanxi Province -- 8. Review of the Litho-, Bio-, and Chronostratigraphy in the Nihewan Basin, Hebei, China -- 9. Late Cenozoic Biostratigraphy of the Linxia Basin, Northwestern China -- 10. Neogene Mammalian Biostratigraphy and Geochrnology of the Tibetan Plateau -- 11. Hominoid-Producing Localities and Biostratigraphy in Yunnan -- 12. Miocene Land Mammals and Stratigraphy of Japan -- 13. Pliocene Land Mammals of Japan -- PART II: SOUTH AND SOUTHEAST ASIA -- 14. The Siwaliks and Neogene Evolutionary Biology in South Asia -- 15. The Neogene Siwaliks of the Potwar Plateau, Pakistan -- 16. Mammalian Neogene Biostratigraphy of the Sulaiman Province, Pakistan -- 17. Indian Neogene Siwalik Mammalian Biostratigraphy: An Overview -- 18. Paleobiogeography and South Asian Small Mammals: Neogene Latitudinal Faunal Variation -- 19. Advances in the Biochronology and Biostratigraphy of the Continental Neogene of Myanmar -- PART III: NORTH AND CENTRAL ASIA -- 20. Miocene Mammal Biostratigraphy of Central Mongolia (Valley of Lakes): New Results. , 21. Late Cenozoic Mammal Faunas of the Baikalian Region: Composition, Biochronology, Disperasal, and Correlation with Central Asia -- 22. New Data on Miocene Biostratigraphy and Paleoclimatology of Olkhon Islan (Lake Baikal, Siberia) -- PART IV: WEST ASIA AND ADJACENT REGIONS -- 23. Late Miocene Mammal Localities of Eastern Europe and Western Asia -- 24. Late Miocene (Turolian) Vertebrate Faunas from Southern European Russia -- 25. Recent Advances in Paleobiological Reserach of the Late Miocene Maragheh Fauna, Northwest Iran -- 26. A Review of the Neogene Succession of the Muridae and Dipodidae from Anatolia, wiht Special Reference to Taxa Known from Asia and/or Europe -- 27. Late Miocene Fossils from the Baynunah Formation, United Arab Emirates: Summary of a Decade of New Work -- 28. Neogene Mammal Biostratigraphy and Chronology of Greece -- PART V: ZOOGEOGRAPHY AND PALEOECOLOGY -- 29. Contintental-Scale Patterns in Neogene Mammal Community Evolution and Biogeography: A Europe-Asia Perspective -- 30. Intercontinental Dispersals of Sicistine Rodents (Sicistinae, Dipodidae, Rodentia) Between Eurasia and North America -- 31. Paeleodiatary Comparisons of Ungulates Between the Late Miocene of China, and Pikermi and Samos in Greece -- List of Contributors -- Taxonomic Index -- General Index.
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  • 2
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    Massachusetts Institute of Technology and Woods Hole Oceanographic Institution
    Publication Date: 2022-05-25
    Description: Submitted in partial fulfillment of the requirements for the degree of Master of Science at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution September 1989
    Description: This thesis studies mixing and convection in a rectangular basin driven by a specified heat flux at the surface. A numerical model is constructed for this purpose. The main focus of the study is on the density and circulation structure resulting from the thermal forcing. In chapter two, a simple vertical one-dimensional model is developed to examine the mixing processes under a given surface heat flux. In order to simulate strong vertical mixing in the region where stratification is unstable, turbulent processes are modeled by a convective overturning parameterization of eddy viscosity and diffusivity. The results show that the density structure is strongly affected by the convective overturning adjustment as surface cooling prevails, and the resulting density field is nearly depth independent. In chapter three, a more complicated two-dimensional model is constructed to simulate mixing and circulation in a vertical rectangular basin with rigid boundaries. The aspect ratio of the basin ranges from 1 to 0.001 and Rayleigh number from 104 to 2 x 1012. It is found that the circulation pattern is dominated by these two important numbers. The roles of density overturning and density-momentum overturning mixing are further investigated. The results show that the convective overturning not only homogenizes the density field in the unstably stratified region but also contributes to increase the circulation. A crude scale analysis of the system shows that the characteristics of the density and momentum fields from the analysis agree well with the numerical results.
    Keywords: Ocean circulation
    Repository Name: Woods Hole Open Access Server
    Type: Thesis
    Format: application/pdf
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  • 3
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    Massachusetts Institute of Technology and Woods Hole Oceanographic Institution
    Publication Date: 2022-05-26
    Description: Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution September 1992
    Description: This study concerns the barotropic interactions between a mesoscale eddy and a straight monotonic bottom topography. Through simple to relatively complicated modeling effort, some of the fundamental properties of the interaction are investigated. In chapter two, the fundamental aspects of the interaction are examined using a simple contour dynamics model. With the simplest model configuration of an ideal vortex and a step topography, the basic dynamical features of the observed oceanic eddy-topography interaction are qualitatively reproduced. The results consist of eddy-induced cross-topography exchange, formation of topographic eddies, eddy propagation and generation of topographic waves. In chapter three, a more complicated primitive equation model is used to investigate a mesoscale eddy interacting with an exponential continental shelf/slope topography on both f and β-planes. The f-plane model recasts the important features of chapter two. The roles of the eddy size and strength and the geometry of topography are studied. It is seen that the multiple anticyclonic eddy-slope interactions strongly affect the total cross-slope volume transport and the evolution of both the original anticyclone and the topographic eddy. Since a cyclone is trapped at the slope and eventually moves on to the slope, it is most effective in causing perturbation on the shelf and slope. The responses on the shelf and slope are mainly wavelike with dispersion relation obeying that of the free shelf-trapped wave modes. On the β-plane, the problem of an eddy colliding onto a continental shelf/slope from a distance with straight or oblique incident angles is investigated. It is found that the straight eddy incident is more effective in achieving large onslope eddy penetration distance than the oblique eddy incident. The formation of a dipole-like eddy pair consisting of the original anticyclone and the topographic cyclone acts to suppress the eddy decay due to long Rossby wave radiation. A weak along-slope current near the edge of the slope is found, which is part of a outer slope circulation cell originated from the Rossby wave wake trailing the propagating eddy. Model-observation comparisons in_chapter four show favorable qualitative agreement of the model results with some of the observed events in the eastern U.S. continental margins and in the Gulf of Mexico. The model results give dynamical interpretations to some observed features of the oceanic eddy-topography interactions and provide enlightening insight into the problem.
    Keywords: Eddies ; Ocean currents ; Fluid dynamics
    Repository Name: Woods Hole Open Access Server
    Type: Thesis
    Format: application/pdf
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  • 4
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    PANGAEA
    In:  RMIT University, Melbourne | Supplement to: Wang, Xiaoming; Zhang, Kefei; Wu, Suqin; Fan, Shijie; Cheng, Yingyan (2016): Water vapor-weighted mean temperature and its impact on the determination of precipitable water vapor and its linear trend. Journal of Geophysical Research: Atmospheres, 121(2), 833-852, https://doi.org/10.1002/2015JD024181
    Publication Date: 2023-01-13
    Description: Water vapor-weighted mean temperature, Tm, is a vital parameter for retrieving precipitable water vapor (PWV) from the zenith wet delay (ZWD) of Global Navigation Satellite Systems (GNSS) signal propagation. In this study, the Tm at 368 GNSS stations for 2000-2012 were calculated using three methods: (1) temperature and humidity profiles from ERA-Interim, (2) the Bevis Tm-Ts relationship, and (3) the Global Pressure and Temperature 2 wet model. Tm derived from the first method was used as a reference to assess the errors of the other two methods. Comparisons show that the relative errors of the Tm derived from these two methods are in the range of 1-3% across more than 95% of all the stations. The PWVs were calculated using the aforementioned three types of Tm and the GNSS-derived ZWD at 107 stations. Again, the PWVs calculated using Tm from the first method were used as the reference of the other two PWVs. The root-mean-square errors of these two PWVs are both in the range of 0.1-0.7 mm. The second method is recommended in real-time applications, since its performance is slightly better than the third method. In addition, the linear trends of the PWV time series from the first method were also used as the reference to evaluate the trends from the other two methods. Results show that 13% and 23% of the PWV trends from the respective second and third methods have a relative error of larger than 10%. For climate change studies, the first method, if available, is always recommended.
    Type: Dataset
    Format: application/zip, 372 datasets
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  • 5
    Publication Date: 2023-01-13
    Keywords: ADE1; Analysis of precipitable water vapor from GPS measurements; Australia; DATE/TIME; Day of the year; Precipitable water vapour; Weather station/meteorological observation; WST
    Type: Dataset
    Format: text/tab-separated-values, 32680 data points
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  • 6
    Publication Date: 2023-01-13
    Keywords: ADIS; Analysis of precipitable water vapor from GPS measurements; DATE/TIME; Day of the year; Ethiopia; Precipitable water vapour; Weather station/meteorological observation; WST
    Type: Dataset
    Format: text/tab-separated-values, 13458 data points
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  • 7
    Publication Date: 2023-01-13
    Keywords: AIRA; Analysis of precipitable water vapor from GPS measurements; DATE/TIME; Day of the year; Japan; Precipitable water vapour; Weather station/meteorological observation; WST
    Type: Dataset
    Format: text/tab-separated-values, 43728 data points
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  • 8
    Publication Date: 2023-01-13
    Keywords: ALGO; Analysis of precipitable water vapor from GPS measurements; Canada; DATE/TIME; Day of the year; Precipitable water vapour; Weather station/meteorological observation; WST
    Type: Dataset
    Format: text/tab-separated-values, 57340 data points
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  • 9
    Publication Date: 2023-01-13
    Keywords: ALBH; Analysis of precipitable water vapor from GPS measurements; British Columbia, Canada; DATE/TIME; Day of the year; Precipitable water vapour; Weather station/meteorological observation; WST
    Type: Dataset
    Format: text/tab-separated-values, 58180 data points
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  • 10
    Publication Date: 2023-01-13
    Keywords: ALIC; Analysis of precipitable water vapor from GPS measurements; Australia; DATE/TIME; Day of the year; Precipitable water vapour; Weather station/meteorological observation; WST
    Type: Dataset
    Format: text/tab-separated-values, 50798 data points
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