收稿日期: 2006-01-09
修回日期: 2006-05-22
网络出版日期: 2006-07-15
基金资助
国家自然科学基金项目“东北地区特大森林火灾与地质构造的关系研究”（编号：30500393）资助.
Monitoring Anomaly before Earthquake with MODIS and MOPITT Data
Received date: 2006-01-09
Revised date: 2006-05-22
Online published: 2006-07-15
龚建明 , 郭广猛 , 曹云刚 . 使用MODIS和MOPITT卫星数据监测震前异常[J]. 地球科学进展, 2006 , 21(7) : 695 -698 . DOI: 10.11867/j.issn.1001-8166.2006.07.0695
Temperature anomaly and gas anomaly such as methane and carbon dioxide before earthquake have been recognized for years. Many researchers have studied temperature anomalies with satellite thermal infrared data, while the gas anomaly has only been derived from limited ground measurements, and it is still not applicable in large areas. Here MODIS (Moderate Resolution Imaging Spectrometer) thermal infrared data is used to study the temperature increase before the Ms 5.0 Taiwan earthquake on January 15, 2002, and MOPITT (Measurements of Pollution in the Troposphere ) data is used to study the CO total column concentration before the Ms 7.5 Taiwan earthquake on March 31, 2002. It is found that there existed both high temperature area and high CO total column area near the Ms 7.5 earthquake epicenter and these two areas located at the same place. It is considered that this CO increase was caused by earth degassing. When these gases emit to atmosphere, they will also lead to temperature increase under the atmosphere electromagnetic field.
Key words： MODIS; MOPITT; CO; Anomaly before earthquake.
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