黄土丘陵区不同土地利用方式的土壤水热特征

TANG Min, LI Wanning, LIU Rui,GU Leimeng,ZHANG Chao

China Resources Comprehensive Utilization(2022)

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Abstract
以黄土丘陵区坡耕地、梯田、枣林和草地为研究对象,本文对其0~60?cm土壤剖面含水量和温度进行连续监测,研究土地利用方式对土壤水热变异复杂性的影响.结果表明,梯田0~60?cm各层土壤含水量均高于坡耕地、枣林和草地,且梯田各层土壤水分变化幅度和标准差均为最小;梯田能够保持各土层温度的稳定性,尤其是浅层;随着土层加深,各土地类型土壤水分和温度差异性减弱.
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