中国西部科技
中國西部科技
중국서부과기
SCIENCE AND TECHNOLOGY OF WEST CHINA
2014年
10期
15-17,32
,共4页
杜炳锐%何梅兴%裴发根%张小博%袁永真
杜炳銳%何梅興%裴髮根%張小博%袁永真
두병예%하매흥%배발근%장소박%원영진
音频大地电磁测深(AMT)%高频段%“跳点”现象%多年冻土区%中低纬度地区
音頻大地電磁測深(AMT)%高頻段%“跳點”現象%多年凍土區%中低緯度地區
음빈대지전자측심(AMT)%고빈단%“도점”현상%다년동토구%중저위도지구
Audio-Frequency Magnetotellurics (AMT)%High Frequencies Range%"Hop Points" Phenomenon%Permafrost Zone%Low Latitudes Area
在中低纬度多年冻土区多次实验分析如何改善音频大地电磁测深（AMT）高频段出现的“跳点”现象。根据测量结果认为天然电磁场信号、季节气候、采集时间、极距长短对高频段视电阻率数据下跳影响明显。提高野外测量数据质量， AMT高频段视电阻率测点具有真实圆滑连续性，对研究青藏高原冻土分布有重要指导意义。
在中低緯度多年凍土區多次實驗分析如何改善音頻大地電磁測深（AMT）高頻段齣現的“跳點”現象。根據測量結果認為天然電磁場信號、季節氣候、採集時間、極距長短對高頻段視電阻率數據下跳影響明顯。提高野外測量數據質量， AMT高頻段視電阻率測點具有真實圓滑連續性，對研究青藏高原凍土分佈有重要指導意義。
재중저위도다년동토구다차실험분석여하개선음빈대지전자측심（AMT）고빈단출현적“도점”현상。근거측량결과인위천연전자장신호、계절기후、채집시간、겁거장단대고빈단시전조솔수거하도영향명현。제고야외측량수거질량， AMT고빈단시전조솔측점구유진실원활련속성，대연구청장고원동토분포유중요지도의의。
In the permafrost zone of low latitude, several experiments have been conducted to analyze how to improve the‘hop points’ phenomenon of audio-frequecy magnetotelluric (AMT) appeared in the high frequency range. The results suggested that the natural electromagnetic signals, seasonal climate, acquisition time, as well as the length of the pole apparently influenced the data hop of high frequency resistivity. By improving the quality of field measurement data, AMT resistivity in high frequency range reached a real smooth continuity. The study has important guiding significance for the research on permafrost distribution.
