我国GPS基准站地壳垂直位移周年变化的气象激发Annual vertical crustal displacements predicted from surface mass redistribution at GPS stations in China
张诗玉,钟敏,闫昊明,陆洋
摘要(Abstract):
利用全球大气、海洋、积雪和土壤水的地表质量负荷资料 ,计算了中国GPS基准网 2 4个台站垂向位移周年变化的气象激发 ,得到振幅 5mm10mm的高程变化。通过与GPS观测资料解算的垂向位移结果比较 ,大部分台站的结果与GPS结果在振幅上符合比较好 ,但相位普遍超前一到二个月
关键词(KeyWords): GPS;质量负荷;垂向位移
基金项目(Foundation): 中国科学院知识创新工程 (KZCX3-SW - 132 );; 地球空间环境与大地测量教育部重点实验室开放研究基金资助项目
作者(Author): 张诗玉,钟敏,闫昊明,陆洋
参考文献(References):
- [1] TVanDam,HPPlag.IERSconventionsforhandlingatmosphericloading[C].2002.
- [2] TMVanDam,JWahr,YChao,etal.Predictionsofcrustaldeformationandof geoidandsea-levelvariabilitycausedbyoceanicandatmosphericloading[J].GeophysJ,1997,129:507517.
- [3] MangiarottiACazenave,LSoudarin,etal.Annualverticalcrustalmotions predictedfromsurfacemassredistributionandobservedbyspace geodesy[J].JournalofGeophysicalResearch,2001,106(B3).
- [4] TVanDam,JWahr,PCMilly,etal.Crustaldisplacementsduetocontinentalwaterloading[J].GeophysicalResearchLetters,2001,28(4).
- [5] ZHANGFei peng,DONGDa nan,CHENGZong yi.TheverticaldisplacementsofcrustaldeformationdetectedbyGPSinChina[J ].ChineseScienceBulletin,2002,147(18).
- [6] FarrellWE .Deformationoftheearthbysurfaceloads[J].ReviewsofGeophysicsandSpacePhysics,1972,10(3).
- [7] MKPAUL .Recurrencerelationsforintegralsofassociatedlegendrefunctions[J].BullGeod1972,52,177190.
- [8] RabbelWandJZschau.Staticdeformationsandgravitychangesattheearth’ssurfaceduetoatmosphericloading[J].J.Geophys,1985,56:8199.
- [9] DONGDN ,FANGP ,BockY ,etal.AnatomyofapparentseasonalvariationsfromGPSderivedsitepositiontimeseries[J].JournalofGeophysicalResearch,2002,107(B4).