CAJ | 학술논문

利用2012年5月～2013年4月元阳梯田水源区林地、灌木地、荒草地的土壤含水率数据，对元阳梯田水源区典型土地利用方式下，不同坡位土壤水分的变化进行了分析。结果表明，研究区0～100 cm深度内，土壤表层水分的变化均比深层强烈。林地旱季的变化范围明显比雨季大；灌木地、荒草地分别于20 cm处和40～60 cm处存在“根系层”和水分的低湿层，该层上下土壤透水性和水力传导度不同。同时，不同土地利用方式下，不同坡位土壤水分的变化各异，各坡位土壤含水率之间的差异性也各不相同。
이용2012년5월～2013년4월원양제전수원구임지、관목지、황초지적토양함수솔수거，대원양제전수원구전형토지이용방식하，불동파위토양수분적변화진행료분석。결과표명，연구구0～100 cm심도내，토양표층수분적변화균비심층강렬。임지한계적변화범위명현비우계대；관목지、황초지분별우20 cm처화40～60 cm처존재“근계층”화수분적저습층，해층상하토양투수성화수력전도도불동。동시，불동토지이용방식하，불동파위토양수분적변화각이，각파위토양함수솔지간적차이성야각불상동。
By using the soil water content data in the forest land , shrub land and waste-grass land at the water source area of Yuanyang Terrace from May 2012 to April 2013 , the analysis was conducted to the soil and water chan -ges at different slope positions in the water source area of Yuanyang Terrace under the different typical land use types. The results showed that within the depth of 100cm of soil profile, soil water at surface layer has stronger change than that at deep layer.The variation range of soil moisture in forest land at dry season is obviously wider than that of in the rainy season.There is the root-system layer at 20 cm deep of shrub land and the low humidity layer ranging 40-60 cm deep of waste grass land, with the different soil water permeability and water conductivity between upper and lower layer of this profile.Meanwhile, under different land use types ( forest land, shrub land and waste-grass land) , the changes of soil water content at different slope positions ( upper, middle and lower) are various with different soil water content.