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THE APPLICATION OF SPATIAL ANALYSIS IN REGIONAL SOIL AND WATER CONSERVATION AND DISASTER PREVENTION AND CONDUCTION
DEM Data mining Knowledge discovering Slope and aspect analysis Slump gullies Genxi River
2015/8/10
Taken 1:10000 Scale topographic map in the small watershed of Genxi River as an example, under the support of ARCVIEW and ARC/INFO software of GIS, through digitizing topographic map and other special...
乔灌篱沟蓄沟道土壤水分运动数值模拟（Numerical Simulation for Soil Water Movement of Gutter under Water Conservation in Arbor-shrub-hedge-gutter）
乔灌篱沟蓄 土壤水分运动 有限元
2009/8/11
在分析乔灌篱沟蓄沟道布置和水分运动特点的基础上，建立了乔灌篱沟蓄沟道二维非饱和土壤水分运动模型，采用Galerkin有限单元法对方程进行数值求解。室内验证试验结果表明，土壤含水率和湿润锋的模型计算值与实测值吻合较好，说明乔灌篱沟蓄沟道土壤水分运动模型正确，采用有限元法求解可行。