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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)
    Edition: 1st ed.
    ISBN: 9780231520829
    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
    Publication Date: 2013-08-31
    Description: [1]  One of the primary goals for the Visible Infrared Imaging Radiometer Suite (VIIRS) onboard the Suomi National Polar-orbiting Partnership (SNPP) is to provide the science and user communities with the data continuity of the Environmental Data Records (EDR) (or Level-2 products) over global oceanic waters for various research and applications, including assessment of climatic and environmental variations. The ocean color EDR is one of the most important products derived from VIIRS. Since ocean color EDR is processed from the upstream Sensor Data Records (SDR) (or Level-1B data), the objective of this study is to evaluate the impact of the SDR on the VIIRS ocean color EDR. The quality of the SDR relies on pre-launch sensor characterizations as well as on-orbit radiometric calibrations, which are used to develop the sensor F-factor lookup tables (F-LUTs). VIIRS F-LUTs derived from solar and lunar calibrations have been used in processing data from the VIIRS Raw Data Records (RDR) (or Level-0 data) to SDR. In this study, three sets of F-LUTs with different generation schemes have been used to reprocess the SDR and then the ocean color EDR for product evaluations. VIIRS ocean color products are compared with in situ data from the Marine Optical Buoy (MOBY) and products from the Moderate Resolution Imaging Spectroradiometer (MODIS) on the satellite Aqua. It is found that the data quality of VIIRS operational ocean color products before 6 February 2012 is poor due to the inappropriate use of the at-launch F-LUTs for the SDR calibration, and that the recently updated VIIRS F-LUTs have significantly improved the SDR and ocean color EDR. Using reprocessed SDR with updated F-LUTs and including vicarious calibration, VIIRS ocean color EDR products are consistent with those from MODIS-Aqua in global deep waters. Although there are still some significant issues with VIIRS ocean color EDR, e.g., poor data quality over coastal regions, our results demonstrate that VIIRS has great potential to provide the science and user communities with consistently high quality global ocean color data records that are established from heritage ocean color sensors such as MODIS-Aqua.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
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  • 5
    Publication Date: 2013-12-01
    Description: Article Whether microRNA processing mediated by Dicer is regulated in a cell-cycle-dependent manner is unknown. Here, Chen et al. show that Cyclin D1, which is important in the control of the cell cycle, regulates the expression of Dicer, and that Cyclin D1 and Dicer expression levels correlate in breast cancer. Nature Communications doi: 10.1038/ncomms3812 Authors: Zuoren Yu, Liping Wang, Chenguang Wang, Xiaoming Ju, Min Wang, Ke Chen, Emanuele Loro, Zhiping Li, Yuzhen Zhang, Kongming Wu, Mathew C. Casimiro, Michael Gormley, Adam Ertel, Paolo Fortina, Yihan Chen, Aydin Tozeren, Zhongmin Liu, Richard G. Pestell
    Electronic ISSN: 2041-1723
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2017-11-08
    Description: Water, Vol. 9, Pages 865: Cyanobacterial Nitrogen Fixation Influences the Nitrogen Removal Efficiency in a Constructed Wetland Water doi: 10.3390/w9110865 Authors: Xiaodong Zhang Xin Jia Liang Yan Jinzhi Wang Xiaoming Kang Lijuan Cui Nitrogen removal efficiency in constructed wetlands (CW) is influenced by multiple environmental factors. However, little is known about the role of cyanobacterial nitrogen fixation in affecting nitrogen removal efficiency. This study investigated how cyanobacterial nitrogen fixation affects the efficiency, at which a CW removes nitrogen from an associated artificial lake (AL) in Beijing. For this purpose, we measured cell densities of N-fixing and non-N-fixing cyanobacteria, the aquatic nitrogen fixation rate (RNfix), and the concentration of various nitrogen fractions over the growing season (April–November) of 2014 in both AL and CW. We found that the removal of particulate organic nitrogen (PON) contributed to >90% of the total nitrogen removal in the CW. The removal efficiency of PON was lower during August–October (55.45 ± 27.49%) than during April–July (68.86 ± 8.83%). Phytoplankton proliferation in summer, as one of the main sources of PON, may have exceeded the capacity of the CW and led to declines in PON removal efficiency. RNfix peaked in July–October (3–169 ng N·L−1·h−1) and was positively correlated with both PON concentration and the cell density of N-fixing Anabaena sp. over the growing season, suggesting that aquatic nitrogen fixation (primarily in the AL) may increase PON and thereby reduce the its removal efficiency in the CW.
    Electronic ISSN: 2073-4441
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by MDPI Publishing
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  • 7
    Publication Date: 2017-08-15
    Description: Author(s): Si Li, Zhi-Ming Yu, Ying Liu, Shan Guan, Shan-Shan Wang, Xiaoming Zhang, Yugui Yao, and Shengyuan A. Yang A nodal loop appears when two bands, typically one electronlike and one holelike, are crossing each other linearly along a one-dimensional manifold in reciprocal space. Here, we propose a type of nodal loop which emerges from the crossing between two bands which are both electronlike (or holelike) a... [Phys. Rev. B 96, 081106(R)] Published Mon Aug 14, 2017
    Keywords: Electronic structure and strongly correlated systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
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  • 8
    Publication Date: 2017-02-21
    Description: Universal salt iodization (USI) has been implemented for two decades in China. It is crucial to periodically monitor iodine status in the most vulnerable population, such as pregnant women. A cross-sectional study was carried out in an evidence-proved iodine-sufficient province to evaluate iodine intake in pregnancy. According to the WHO/UNICEF/ICCIDD recommendation criteria of adequate iodine intake in pregnancy (150–249 µg/L), the median urinary iodine concentration (UIC) of the total 8159 recruited pregnant women was 147.5 µg/L, which indicated pregnant women had iodine deficiency at the province level. Overall, 51.0% of the total study participants had iodine deficiency with a UIC 〈 150 µg/L and only 32.9% of them had adequate iodine. Participants living in coastal areas had iodine deficiency with a median UIC of 130.1 µg/L, while those in inland areas had marginally adequate iodine intake with a median UIC of 158.1 µg/L (p 〈 0.001). Among the total study participants, 450 pregnant women consuming non-iodized salt had mild-moderate iodine deficiency with a median UIC of 99.6 µg/L; 7363 pregnant women consuming adequately iodized salt had a lightly statistically higher median UIC of 151.9 µg/L, compared with the recommended adequate level by the WHO/UNICEF/ICCIDD (p 〈 0.001). Consuming adequately iodized salt seemed to lightly increase the median UIC level, but it may not be enough to correct iodine nutrition status to an optimum level as recommended by the WHO/UNICEF/ICCIDD. We therefore suggest that, besides strengthening USI policy, additional interventive measure may be needed to improve iodine intake in pregnancy.
    Print ISSN: 1661-7827
    Electronic ISSN: 1660-4601
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Published by MDPI Publishing
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  • 9
    Publication Date: 2017-11-24
    Description: Daily Time-Use Patterns and Obesity and Mental Health among Primary School Students in Shanghai: A Population-Based Cross-Sectional Study Daily Time-Use Patterns and Obesity and Mental Health among Primary School Students in Shanghai: A Population-Based Cross-Sectional Study, Published online: 23 November 2017; doi:10.1038/s41598-017-15102-4 Daily Time-Use Patterns and Obesity and Mental Health among Primary School Students in Shanghai: A Population-Based Cross-Sectional Study
    Electronic ISSN: 2045-2322
    Topics: Natural Sciences in General
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  • 10
    Publication Date: 2017-01-24
    Description: Agricultural production, rural areas, and farmers are three key aspects of agriculture related to sustainable economic and social development in China. Rural development is a process of multi-participation, which involves actors from governments, village committees, villagers, rural economic cooperatives, enterprises, financing institutions, and non-government organizations (NGOs). Based on social network analysis (SNA), this article analyzes the social network structures and characteristics of various actors in different stages of rural development in Yanhe village, Hubei Province, China. The results show that both the village committee and villagers have great influence on rural development; NGOs are the leaders of rural environmental improvement; village cooperatives are the promoters of rural economic development; enterprises are the accelerators of rural construction and development. The study outlines the rural development model in Yanhe village where the village committee is the leader and multiple forms of participation and cooperation are present; there are excellent partnerships and communication mechanisms among the participants. The endogenous and sustainable development model identified from Yanhe village is valuable for other villages in China to adopt.
    Print ISSN: 0017-4815
    Electronic ISSN: 1468-2257
    Topics: Geography , Economics
    Published by Wiley-Blackwell
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