极地研究Issue(3)：324-330,7.DOI:10.13679/j.jdyj.2014.3.324
极隙区纬度Pc1-2波的统计分布特征
STATISTICAL CHARACTERISTICS OF Pc1-2 WAVES NEAR THE CUSP LATITUDES
摘要
Abstract
We recorded induction magnetometer data from Zhongshan and Davis Stations in Antarctica , for March , June , September, and December in 2004.We used cross-spectrum analysis to statistically study Pc1-2 wave occurrence, center frequency , and amplitude variations with respect to the seasons and magnetic local time .Of 2 932 valid wave events, Pc1-2 waves had a higher occurrence in March (51.4%) and September (26.1%) than in December (18.6%) and June (3.8%), and occurred most frequently near the magnetic local noon (59.8%at 0800-1000 UT) .The wave center frequency was higher post-noon than pre-noon and the wave amplitude reached a maximum at 0800 UT.The maximal center frequency and minimal amplitude occurred in June .These results suggest that Pc1-2 wave properties near the cusp latitudes are strongly influenced by ionospheric conductivity .关键词
Pc1-2波/极隙区/发生率/高纬Key words
Pc1-2 wave/cusp/occurrence/high latitude引用本文复制引用
邱奕婷,刘勇华,赵浩峰..极隙区纬度Pc1-2波的统计分布特征[J].极地研究,2014,(3):324-330,7.基金项目
上海市浦江人才计划项目（12PJ1409200）和国家海洋局海洋公益项目（20100517）资助 （）
