伊型河谷土壤储水量及其影响因素

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关键词：土壤储水量；土地利用类型；土纲；多元线性回归；土壤水库；伊犁河谷

中图分类号：S152.7 文献标识码：A

文章编号：0439-8114（2025）08-0104-06

DOI：10.14088/j.cnki.issn0439-8114.2025.08.016 开放科学（资源服务）标识码（OSID）：口

Soil water storage and its influencing factors in Ili River Valley

YANGLi-rong，HUGui-qing，ZHANGWen-tai （CollgefResoucsandEnviront，XingAgicturalUnivesitiniangKeyLabratoryofSldPntEologiclro， Urumqi 830052，China）

Abstract：Basedon119soilprofilessurveyedinIiRiverValleyfromAugusttoeptember202，thediferencsofsoilwatertorage inO-30cmandO-1Ocmsoillayersbeteendiferentsoil typesanddiferentlandusepattrns werecompared，andtheaininfluencingfactorsofsoilwaterstorageinIliRiverValleywereanalyzedbythemultiplelinearregresionmethd.Theresultssowedthat in terms of soil types，the water storage in O-12O cm soil layer was in the order of semi-aqueous soil （ 323mm ） > semi-eluviated soil （213 mm） > calcareous soil （193 mm） > alpine soil （161 mm） > arid soil （ 108mm ）；in terms of of land use types，the water storage in O-12O cm soil layer wasinthe order of cultivated land（266 mm） > forest land（199 mm） > garden land（184 mm） > grassland （153 mm）.The average water storage of O-12O cm soil layer in Ili River Valley was about 201mm ，that was 9.56×109m3 . Soil bulk density，ainfall，evapotranspiration，oralizeddiferencevegetationindex（DVI）andlevationalldsigificantetsosoil water storage. Sand content and dryness had effects on soil water storage in 0-30cm .The slope and profile curvature significantly affected the soil water storage of 0-120cm

Key words：soil waterstorage;landuse type；soilorder;multiplelinearregresson;soil waterreservoir;IiRiver Valley

土壤具有储存降雨、防洪减灾、调控径流、涵养水源、承载地表植被的"水库"功能[1，2]。（剩余9582字）