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地学中海量数据的并行可视化研究进展 总被引：2，自引：0，他引：2
地球科学中观测和数值模拟结果数据爆炸式的增长,给可视化和分析这些海量数据带来了极大的挑战,将海量数据并行可视化技术应用到地球科学中是解决这一问题的有效手段。地球科学中海量数据可视化是目前国际科学可视化研究的一个新方向。本文首先介绍海量数据并行可视化的几个步骤,然后总结了地球科学中海量数据的特点,重点讨论了海量数据并行可视化在地幔对流、地震波传播以及海啸数值模拟等可视化研究中的应用实例。 相似文献
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Stephen D. Perry 《Journal of Applied Communication Research》2013,41(4):399-417
Post-disaster communication surveys are important in order to improve future disaster warning efficiency. Mauritius, a small island nation in the western Indian Ocean, was in the path of the tsunami of December 2004 but experienced only minimal wave impact. This is fortunate because the results of this survey show very slow warning dissemination through the population. Television and radio were equally effective in disseminating the initial warning information, but television far exceeded radio's reach as regards mass awareness and information seeking in the hours after the danger had passed. The interpersonal communication of warning information was minimal, and the warning messages provided insufficient and, it seems, inaccurate information. 相似文献
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Jeff Motter 《Communication Studies》2013,64(5):507-525
This article examines the discourse of U.S. relief efforts after the 2004 Indian Ocean tsunami and argues that exceptionalist rhetorics rely on citizen virtue to motivate state action. Examining speeches and interviews by U.S. presidents and newspaper articles and editorials from domestic news sources, themes of compassion, humanitarianism, and global leadership converge to form an exceptionalist rhetoric of compassionate generosity that legitimates U.S. global hegemony. This critique highlights how, in moments of international crisis, virtues are mobilized to buttress America's moral position and advances a rhetoric of humanitarian militarism. 相似文献
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地球科学中观测和数值模拟结果数据爆炸式的增长,给可视化和分析这些海量数据带来了极大的挑战,将海量数据并行可视化技术应用到地球科学中是解决这一问题的有效手段。地球科学中海量数据可视化是目前国际科学可视化研究的一个新方向。本文首先介绍海量数据并行可视化的几个步骤,然后总结了地球科学中海量数据的特点,重点讨论了海量数据并行可视化在地幔对流、地震波传播以及海啸数值模拟等可视化研究中的应用实例。 相似文献
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Satish R. Shetye 《Resonance》2005,10(2):8-19
Tsunamis are surface gravity waves that are triggered due to perturbation of the ocean floor. The tsunamis that occurred in
the Indian Ocean on 26 December 2004 were due to an earthquake off the coast of Sumatra. Sea level variations associated with
this event are summarized after a brief introduction to tsunamis. 相似文献
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Tsunami Warning Dissemination in Mauritius 总被引：1，自引：0，他引：1
《Journal of Applied Communication Research》2007,35(4):399-417
Post-disaster communication surveys are important in order to improve future disaster warning efficiency. Mauritius, a small island nation in the western Indian Ocean, was in the path of the tsunami of December 2004 but experienced only minimal wave impact. This is fortunate because the results of this survey show very slow warning dissemination through the population. Television and radio were equally effective in disseminating the initial warning information, but television far exceeded radio's reach as regards mass awareness and information seeking in the hours after the danger had passed. The interpersonal communication of warning information was minimal, and the warning messages provided insufficient and, it seems, inaccurate information. 相似文献
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