This method can acurately simulate the flow direction in gird near river, and can keep the direction of waterflow from crossing the watershed of subdrainage area.
Four alluvial deposits distributing along Yuanjiang river and the diamondiferous rocks that supply diamonds to these placer deposits have striking properties of varied sources and multi-phases.
The area above Chashang Section in the Beishi River Valley, a tributary of Fen River, is made up of forested and unforested lands in one and the other.
The study on digifax of integrated water resource plan of Taihu basin set up a digital system over the lake basin, which included pollution load model and the water quality model.