992 resultados para Viêt-nam


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This paper is going to present a fragment of the analysis of Slobodan Šnajder’s metatheatrical play Gamllet (1987), which is to be read in along the line of Šnajder’s Hrvatski Faust (1981). While introducing the theoretical concept of the theatrical key image, which is influenced by the concept of the image by the Jewish-German art historian Aby Warburg, the paper will shed light on a specific theoretical framework to cultural analysis entangling both, production- and reception-related aesthetic approaches towards cultural analysis.

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This study focuses on the analysis of lake sediments retrieved from the deepest part of Lake Nam Co (Tibetan Plateau). One gravity core of 115 cm length, covering the last ~ 4000 cal BP, was analyzed for geochemical and biological parameters. High organic content at ~ 4000 cal BP and the coinciding presence of pyrite framboids until ~ 2000 cal BP point to hampered decomposition of organic material due to anoxic conditions within the lake sediments. At the same time sedimentological and biological proxies suggest a rather high lake level, but still ~ 5 m below the recent one, with less saline lake water due to enhanced monsoonal activity. During this time a change in the source of organic matter to lowered input of terrestrial components is observed. A rather quick shift to a dry environment with less monsoonal influence and a lake level ~ 15 m lower than today at ~ 2000 cal BP lead to the oxygenation of sediment, the degradation of organic matter and the absence of pyrite. Oscillations of the lake level thereafter were of minor amplitude and not able to establish anoxia at the lake bottom again. A wet spell between ~ 1500 cal BP and ~ 1150 cal BP is visible in proxies referring to catchment hydrology and the ostracod-based water depth transfer function gives only a slightly elevated lake level. The last ~ 300 years are characterized by low TOC and rising TN values reflecting enhanced nutrient supply and hence an advancing influence of human activity in the catchment. Decreasing TOC/TN values point to a complete shift to almost solely aquatic biomass production. These results show that hydrological variations in terms of lake level change based on monsoonal strength can be linked to redox conditions at the lake bottom of Nam Co. Comparison with other archives over larger parts of the Tibetan Plateau and beyond exhibits a rather homogeneous climatic pattern throughout the late Holocene.

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En el presente trabajo se analiza la movilidad de la etnia selk'namen función del uso del espacio y el aprovisionamiento de recursos, a partir de las alteraciones generadas por el proceso decolonización. Se plantea una aproximación desde la perspectiva demográfica, el escrutinio de diversas fuentes congruentes, como censos, actas de los registros civiles y parroquiales, al tiempo que otros documentos oficiales. Se proponeuna vía más para la reconstrucción de la trayectoria selk'nam en cuanto a los mecanismos desobrevivencia y se deja esbozada la relación entre estatrayectoria y el rol del mestizaje biológico

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En el presente trabajo se analiza la movilidad de la etnia selk'namen función del uso del espacio y el aprovisionamiento de recursos, a partir de las alteraciones generadas por el proceso decolonización. Se plantea una aproximación desde la perspectiva demográfica, el escrutinio de diversas fuentes congruentes, como censos, actas de los registros civiles y parroquiales, al tiempo que otros documentos oficiales. Se proponeuna vía más para la reconstrucción de la trayectoria selk'nam en cuanto a los mecanismos desobrevivencia y se deja esbozada la relación entre estatrayectoria y el rol del mestizaje biológico

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En el presente trabajo se analiza la movilidad de la etnia selk'namen función del uso del espacio y el aprovisionamiento de recursos, a partir de las alteraciones generadas por el proceso decolonización. Se plantea una aproximación desde la perspectiva demográfica, el escrutinio de diversas fuentes congruentes, como censos, actas de los registros civiles y parroquiales, al tiempo que otros documentos oficiales. Se proponeuna vía más para la reconstrucción de la trayectoria selk'nam en cuanto a los mecanismos desobrevivencia y se deja esbozada la relación entre estatrayectoria y el rol del mestizaje biológico

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Lake ice change is one of the sensitive indicators of regional and global climate change. Different sources of data are used in monitoring lake ice phenology nowadays. Visible and Near Infrared bands of imagery (VNIR) are well suited for the observation of freshwater ice change, for example data from AVHRR and MODIS. Active and passive microwave data are also used for the observation of lake ice, e.g., from satellite altimetry and radiometry, backscattering coefficient from QuickSCAT, brightness temperature (Tb) from SSM/I, SMMR, and AMSR-E. Most of the studies are about lake ice cover phenology, while few studies focus on lake ice thickness. For example, Hall et al. using 5 GHz (6 cm) radiometer data showed a good relationship between Tb and ice thickness. Kang et al. found the seasonal evolution of Tb at 10.65 GHz and 18.7 GHz from AMSR-E to be strongly influenced by ice thickness. Many studies on lake ice phenology have been carried out since the 1970s in cold regions, especially in Canada, the USA, Europe, the Arctic, and Antarctica. However, on the Tibetan Plateau, very little research has focused on lake ice-cover change; only a small number of published papers on Qinghai Lake ice observations. The main goal of this study is to investigate the change in lake ice phenology at Nam Co on the Tibetan Plateau using MODIS and AMSR-E data (monitoring the date of freeze onset, the formation of stable ice cover, first appearance of water, and the complete disappearance of ice) during the period 2000-2009.