...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Annals Of Geophysics >Volcanic SO2 by UV-TIR satellite retrievals: validation by using ground-based network at Mt. Etna
【24h】

Volcanic SO2 by UV-TIR satellite retrievals: validation by using ground-based network at Mt. Etna

机译：通过UV-TIR卫星取回的火山SO2：使用位于山顶的地面网络进行验证。埃特纳火山

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Mt. Etna volcano in Italy is one of the most active degassing volcanoes worldwide, emitting a mean of 1.7 Mt/year of Sulphur Dioxide (SO 2 ) in quiescent periods. In this work, SO 2 measurements retrieved by Moderate Resolution Imaging Spectroradiometer (MODIS), hyper-spectral Infrared Atmospheric Sounding Interferometer (IASI) and the second Global Ozone Monitoring Experiment (GOME-2) data are compared with the ground-based data from the FLux Automatic MEasurement monitoring network (FLAME). Among the eighteen lava fountain episodes occurring at Mt. Etna in 2011, the 10 April paroxysmal event has been selected as a case-study for the simultaneous observation of the SO 2 cloud by satellite and ground-based sensors. For each data-set two retrieval techniques were adopted and the measurements of SO 2 mass and flux with their respective uncertainty were obtained. With respect to the FLAME SO 2 mass of 4.5 Gg, MODIS, IASI and GOME-2 differ by about 10%, 15% and 30%, respectively. The SO 2 flux correlation coefficient between MODIS and FLAME is 0.84. All the retrievals within the respective errors are in agreement with the ground-based measurements supporting the validity of these space measurements.?
机译：公吨。意大利的埃特纳火山是全球最活跃的脱气火山之一，在静止期平均每年排放1.7吨二氧化硫（SO 2）。在这项工作中，将中等分辨率成像光谱仪（MODIS），高光谱红外大气探测干涉仪（IASI）和第二个全球臭氧监测实验（GOME-2）数据获取的SO 2测量值与来自地面的数据进行了比较。 FLux自动测量监控网络（FLAME）。在山中发生的十八个熔岩喷泉事件中。埃特纳火山（Etna）在2011年的4月10日发作性事件被选为案例研究对象，用于通过卫星和地面传感器同时观测SO 2云。对于每个数据集，采用两种检索技术，并获得了SO 2质量和通量的测量结果以及它们各自的不确定性。对于4.5 Gg的FLAME SO 2质量，MODIS，IASI和GOME-2相差分别约10％，15％和30％。 MODIS和FLAME之间的SO 2通量相关系数为0.84。在相应误差范围内的所有取回均与支持这些空间测量有效性的基于地面的测量一致。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号