lon g-termstabilit yofreferencestationsb ytakin gnon-tectonicdeformationintoaccount

continuousl yo p eratin greferencestationscanp rovidecontinuousandreliableori g inaldataforsurfacedis p lacementstudies.multi p lereferencestations’p ositiontimeseries（ coordinatetimese-ries）ma yreflectsurfacesubsidenceandmovementtrends inthere g ion,andisthebasisforfurtherre-searchonlinearandnon-linearchan g einthemovement.inthisp a p er,continuousl yo p eratin grefer-encestationnetworkinjian g xi（ jxcors） isresearchedasanexamp le.thep henomenaoflinearandnon-linearchan g esinjian g xiwerestudiedbasedontheestablishmentofthep ositionseriesforthreey earsateachreferencestation.forthelinearvariation,localp lanedeformationissmall（ thediffer-enceofavera g erateanddominantdirectionwiththenearb ysitesarelessthan1mm／ aand1.63°re-s p ectivel y,thechan g eofelevationdirectioniscomp arativestable） .theavera g eliftin gs p eedandset-tlements p eedare1.887mm／aand0.906mm/ares p ectivel y.forthenon-linearchan g e,theverticalp ositionofthereferencestationshasasemi-annualc y cle，whichisp artiall ycausedb yh y drolo g icalload.