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首页> 外文期刊>Journal of Volcanology and Geothermal Research >Using SO2 camera imagery and seismicity to examine degassing and gas accumulation at Kilauea Volcano, May 2010
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Using SO2 camera imagery and seismicity to examine degassing and gas accumulation at Kilauea Volcano, May 2010

机译:使用SO2摄像机图像和地震活动资料检查基拉韦厄火山的除气和瓦斯积累,2010年5月

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摘要

SO2 camera measurements at Kilauea Volcano, Hawaii, in May of 2010 captured two occurrences of lava lake rise and fall within the Halema'um'au Crater summit vent During high lava stands we observed diminished SO2 emission rates and decreased seismic tremor. Similar events at Kilauea have been described as the result of sporadic degassing following gas accumulation beneath a mostly impermeable lava lake surface. Incorporation of SO2 camera data into a multi-parameter dataset gives credence to the likelihood of shallow gas accumulation as the cause of these high stand events, with accumulated gas release upon lake-level drop compensating for the gas deficit reached during accumulation. (C) 2014 Elsevier B.V. All rights reserved.
机译:2010年5月在夏威夷基拉韦厄火山上进行的SO2摄像机测量记录了两次在Halema'um'au火山口山顶喷口内发生的熔岩湖上升和下降事件。在高熔岩层中,我们观察到SO2排放速率降低且地震震颤减小。在基拉韦厄发生了类似的事件,这是由于在一个几乎不可渗透的熔岩湖表面之下的气体聚集之后的偶发脱气的结果。将SO2摄像机数据合并到多参数数据集中,可以证明浅层气藏的可能性是造成这些高空位事件的原因,而湖面水位下降时积累的气藏可以补偿在积累过程中达到的气亏。 (C)2014 Elsevier B.V.保留所有权利。

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