1000 resultados para CHSE-214


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In March 2011, the governments of Kosovo and Serbia started a dialogue that was intended to lead to the normalisation of mutual relations. This process, launched under the pressure of the EU, was aimed at building up confidence between the parties and resolving the everyday problems of the Serbian and Albanian communities, and as a consequence, reducing tension in the Western Balkans. The start of talks between representatives of the antagonist countries was the breakthrough that led to the Kosovo government gaining control over the whole of its territory, the establishment of a border (or ‘administrative boundary line’, as Belgrade calls it), and the start of the process of subordinating the Kosovo Serbian institutions to the authorities in Prishtina. Serbia also lifted its trade blockade on Kosovo, and allowed Prishtina to join the regional organisations. As a result, progress has been made in the process of integration of both states with the EU: Serbia has started accession negotiations, and Kosovo has signed a Stabilisation and Association Agreement (SAA).

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This study attempts to understand the significance of Uvigerina proboscidea in paleoceanographic reconstructions at the northern (tropical) Indian Ocean DSDP Site 214 from the Late Miocene through the Pleistocene. In this interval at this site, U. proboscidea is the most abundant species of the benthic assemblage and shows abrupt frequency changes (about 1-74%). Based on relative percentages of U. proboscidea calibrated with oxygen and carbon isotope record and the sediment accumulation rates, the modern distribution of the species in the Indian Ocean, and other evidence, the peaks of abundance of U. proboscidea are inferred to represent times of high-surface productivity, This productivity is related to intensified trade winds during strong southwest (SW) Indian monsoons, causing widespread upwelling along equatorial divergemce in the Indian Ocean. The sudden increase of U. proboscidea abundance at approximately 8.5-7.5 Ma reflects significant upwelling at the equatorial divergence. This event corresponds to the permanent build-up of West Antarctic ice sheets, and a major increase in SW Indian monsoons related upwelling in the northwestern Indian Ocean. The Chron-6 carbon shift at approximately 6.2 Ma is marked by another peak of abundance, reflecting widespread ocean fertility. The highest abundances of U. proboscidea and highest sediment accumulation rates occur between 5.8 and 5.1 Ma, which coincidies with the greatest development of Antarctic ice sheets and strong southwest monsoons. The higher percentages at 3.2-3.1 Ma, approximately 2.4 Ma, and 1.6 Ma all represent phases of high productivity at the equatorial divergence.

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Mode of access: Internet.