1971—2023年榆林地区浅层地温变化特征

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关键词浅层地温;时空变化特征;自适应噪声经验模态分解法;榆林地区
中图分类号S161 文献标识码A
文章编号 0517-6611(2026)07-0056-08
LI Dan-dan1 ,LIU Yin-ge1 , Wan Hui2 et al(1.School of Geography and Environment,Baoji University of Arts and Science,Shaanxi Key Laboratoryofsasterogdecaslatioaojani3;leteoolicalrea,Ylia AbstractUsing 5,10,15,and 20cm shallow ground temperature observations from Yulin region (1971-2O23),climatic tendency rate,MannKendallnon-arametricstompteseblepiicalodecomposoitaptiese(E)ndrodise employedtoaaetpoalstilpsfsalosolpeauredtseptepedetsove53earsAaleal lowgroundtemperatureinYulinshowedaclearupwardtrendwithdistinctdept-dependent gradients.Terateofchangedecreased withincreasingsoildepthTmperaturesdecreasedwithdepthduringspringandsummerileincreasedwithdepthinautumnandwinter.Thedata alsorevealeddcaiptgdoalialllodpedalod ent from northwest to southeast.
KeywordsShalowgroundtemperatureSpacetievariationcharacterisic;Completensemblepircalodedcomposionwithdaptie noise ; Yulin area
浅层地温一般是指距离地表5、10、15和 20cm 深度处的地中气温[1],它是反映土壤物理特性的关键参数之一,对于农作物生长、城镇规划以及浅层地热能的开发利用都有着不可忽视的作用。(剩余10041字)