山东省地形变数字化与模拟观测资料的对比分析

被引:8
作者
李杰
邹钟毅
卢双苓
鲁成义
机构
[1] 山东省地震局
[2] 烟台地震台
[3] 泰安基准地震台
[4] 马陵山地震台
关键词
水管仪; 伸缩仪; 数字化观测资料; 模拟观测资料; 潮汐分析;
D O I
10.14075/j.jgg.2003.01.021
中图分类号
P315.61 [地震观测技术与方法];
学科分类号
摘要
对山东省水管仪、伸缩仪的数字化和模拟观测资料进行了对比分析。对资料的完整性、稳定性、可靠性进行了评价 ,并对资料的变化趋势、均值、方差一致性利用相关分析、t检验、F检验等方法进行了统计检验。观测资料在地震分析预报中的应用结果表明 :(1)水管仪、伸缩仪数字化观测资料的完整性、稳定性和可靠性优于模拟观测资料 ,数字化观测可代替模拟观测 ;(2 )水管仪、伸缩仪数字化和模拟观测资料的变化趋势一致性很好 ,均值、方差一致性较差 ,仅有个别测项一致。 (3)潮汐分析和非潮汐分析方法是识别强震前中短期和短临异常的可行方法。
引用
收藏
页码:85 / 92
页数:8
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