以三峡库区王家桥小流域林地、耕地和园地为研究对象,结合染色示踪技术,利用图像处理软件技术,通过计算优先流形态特征参数,分析3种土地利用类型下高砾石含量紫色土的优先流形态发育特征。结果表明:砾石平均含量表现为园地>林地>耕地,土壤大孔隙平均半径随着深度的增加而减小。林地优先流运动深度可达60 cm,剖面染色区域呈现明显的不规则性,耕地染色深度集中在0—15 cm土层,染色区域分布均匀,但染色面积小,且存在大量的侧向流,园地染色范围广,优先路径连通性好。染色路径数表现为园地>林地>耕地 ...
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