1) base level of denudation
剥蚀基准面
2) karst datum
溶蚀基准面
1.
And features of some engineering of typical karst landform were summarized,their causes were analyzed,and the conception of "karst datum" was discussed.
认为隐伏岩溶的发育规律是可以认识的,概括了典型事例的岩溶地貌特征,分析了其成因,讨论了"溶蚀基准面"概念,最后就当前某地区的几个有争论的实践性问题,进行了论述,提出自己的观点和论证。
3) local base level
侵蚀基准面
1.
By the analyses of the field observed data it is found that the above-mentioned phenomenon is caused by the following factors , ( 1 ) The bed elevation of Tongguan serves as a local base level to the lower Wei.
文中利用渭河下游河道的实测资料,对比兴建三门峡水库前后以及三门峡改建前后渭河下游河道的横向演变,得到如下几点认识:(1)侵蚀基准面的变化是引起渭河下游河道横向摆动的主要因素;(2)洪水比降变平,相应河道弯曲系数变大,河道由稳定型向摆动型发展;洪水比降变陡,相应河道弯曲系数变小,河道由摆动型向稳定型发展;(3)滩地的泥沙组成代表河岸的可动性。
4) base level of abrasion
磨蚀基准面
5) erosion surface
剥蚀面
1.
Planation surface, erosion surface, fluvial terrace and other step like geomorphic surfaces in the Qinghai Xizang Plateau and its surrounding mountains were formed by long term planation and erosion, which recorded uplift history of the Qinghai Xizang Plateau.
夷平面、剥蚀面和河流阶地等层状地貌面是长周期地貌演化研究的主要对象 ,它们不仅记录了区域地貌的发育历史 ,而且可以用来反演区域构造活动、气候变化等内动力过程的演变。
6) erosion surfaces
剥蚀面
1.
The ESR chronology on gravel beds, show that the erosion surfaces dismantled around 1.
祁连山东段金塔河流域分布着两级夷平面(山顶面与主夷平面)、一级剥蚀面和多级河流阶地,它们是晚新生代青藏高原阶段性隆升的产物。
补充资料:剥蚀面
剥蚀面 plane of denudation 见夷平面。 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条