陕北沿长城防风固沙林带土壤水分·温度及电导率月变化特征研究

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关键词陕北沙区；陕北沿长城防风固沙林；土壤水温；土壤电导率；气象因素

中图分类号S727.23文献标识码A

文章编号 0517-6611（2025）13-0088-06

doi：10.3969/j.issn. 0517-6611. 2025. 13. 017

开放科学（资源服务）标识码（OSID）：

Studyonthe MonthlyVariations of Soil Moisture，Temperature，and Electrical Conductivityof theWindbreakandSand-Fixation Forest Belt Along the Great Wall in Northern Shaanxi

ZHANG Chen-hen1，UXidong12，GAORong2etal（1.ShaaniAcademyofForestrySiences，Xi'an，Sani082;atio al Positional Observatory for Desert Ecosystems in the Maowusu Sandland，Yulin，Shaanxi 719000）

AbstractTo explore the dynamic changes in moisture，temperature，and electrical conductivity of deep soil （ 0-200cm ）in the windbreak andsand-fixatofosteltogteGatalliorthSaaniedogsonuctdfroJuyDembrtas ureandaalnttaultsdat：fepteasdfsinlegdall larlyinApril，soil moistureatvarious depthsreached their peaks，withthe highest watercontentobservedatadepthof 160cm ，reaching 7.89% .SoiltemperatureeibiedtelargestfluctuatiosinJnuarywithsgnificantvaratiosovertie，hilethsallstfuctuatioswere observed at a depth of 160cm .Soil electrical conductivity peaked in April，with the highestvalue observed at the surface，reaching 3.68μs/cm ，and the lowest value observed at a depth of 120cm ，at 1.99μs/cm .Through correlation analysis，it was found that soil moisture andconductivityshodasgfcantposiiorelatoninarchndMayTeoelationbetwensiltmperatuedonductiat 120 cm and 200cm depths was the most significant inOctober，the correlation betweensoil moistureand temperatureatdiffrent times showed asignificantbliegeesoilosturempeatuendoductiviyeinlyetdyeimpeature，uratedater vapor pressure difference，and rainfall，while air relative humidity had relatively litle effect.

KeywordsNorthShansndyarea;Windbreakandsand-fiationforestbeltalogtheGreatWallinorteShaai;Soilwatet perature;Soil electrical conductivity;Meteorological factor

土壤作为植物生长的载体，决定着生态系统的结构与功能，而土壤水分、温度和电导率直接影响植被及生态系统稳定性[1]。（剩余11398字）