摘要
利用RUSLE土壤侵蚀模型,定量估算了2 000 a来西汉康陵的封土土壤侵蚀量。结果表明,2 000 a来帝陵土壤侵蚀约123 563.63 t,约占帝陵封土的9.65%,康陵封土总质量约1 403 753.23 t。按照西汉帝陵覆斗形封土的外观,2 000 a以来封土土壤侵蚀高度在1.22~1.59 m之间。研究结果为秦汉帝陵封土壤侵蚀研究提供了一种新的思路和方法。
Taking Western Han Dynasty Kang Mausoleum in Xianyang City Shaanxi Province as the research subject, we used RUSLE model to estimate the soil erosion of Kang Mausoleum about 2000 years in conjunction with GIS and RS. The results show that the total soil erosion of Kang Mausoleum is about 1.23×105 t, accounting for 9.65% of mausoleums. The total mass of Kang Mausoleum was about 14.03×105 t, when it was set up 2000 years ago. According to the inversion Dou appearance of West Dynasty Mausoleum, we set up the 3D model by ArcGIS. The height reduction of Kang Mausoleum for soil erosion is about from 1.22 to 1.59 m. This study can offer a new method of assessing the soil erosion of mausoleum of the Qin and Han Dynasties.
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