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[期刊论文] 作者：TANG Guo-an,
来源：地理学报：英文版 年份：2001
There is a growing interest in investigating the accuracy of digital elevation model (DEM). However people usually have an unbalanced view on DEM errors. They e...
[期刊论文] 作者：Tang Guo-an,Hui Yang-he,Josef,
来源：地理学报：英文版 年份：2001
从数字举起模型(DEM ) 导出的 Hydrologic 数据在地理信息系统(GIS ) 的空间分析被认为是一个有效方法。然而， DEM 分辨率和地面复杂性在 hydrologie 衍生物的精确性上有影响...
[期刊论文] 作者：Zhao Mu-dan,Tang Guo-an,Shi We,
来源：地理学报：英文版 年份：2002
农村解决的发展和分发模式被他们的自然、社会的环境极大地限制。作为一个例子在北 Shaanxis 黄土高原区域拿 Yulin 府， 1:250,000 地图规模公民地理数据库作为主要信息来源，，官...
[期刊论文] 作者：ZHAO Mu-dan,TANG Guo-an,SHI We,
来源：地理学报 年份：2002
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：SU Li,LI Shu-juan,TANG Guo-an,
来源：应用数学和力学（英文版） 年份：2004
The fluid flow induced by light-density, low-stiffness structures was treated as inviscid, incompressible irrotational and steady plane flow. On the basis of th...
[期刊论文] 作者：TANG Guo-an,HUI Yang-he,Josef Strobl,LIU Wang-qing,
来源：黑龙江科技信息 年份：2001
本文通过对荣华二采区10...
[期刊论文] 作者：TANG Guo-an,Josef Strobl,Gong Jian-ya,ZHAO Mu-dan,
来源：黑龙江科技信息 年份：2001
本文通过对荣华二采区10...
Clustering gully profiles for investigating the spatial variation in landform formation on the Chine
[期刊论文] 作者：CHENG Yao,LI Jing-wei,XIONG Li-yang,TANG Guo-an,,
来源：Journal of Mountain Science 年份：2021
The gully is the most dynamic and changeable landform unit on the Loess Plateau, and the characteristics of gully landforms are key indicators of gully evolution. Different gully profiles are connecte...
[期刊论文] 作者：ZHAO Wu-fan,XIONG Li-yang,DING Hu,TANG Guo-an,,
来源：Journal of Mountain Science 年份：2017
The automatic recognition of landforms is regarded as one of the most important procedures to classify landforms and deepen the understanding on the morphology of the earth. However, landform types ar...
[期刊论文] 作者：ZHU Shi-jie,TANG Guo-an,XIONG Li-yang,ZHANG Gang,,
来源：Journal of Mountain Science 年份：2014
Although many studies have investigated slope gradient uncertainty derived from Digital Elevation Models(DEMs), the research concerning slope length uncertainty is far from mature. This discrepancy af...
Clustering gully profiles for investigating the spatial variation in landform formation on the Chine
[期刊论文] 作者：CHENG Yao,LI Jing-wei,XIONG Li-yang,TANG Guo-an,
来源：山地科学学报（英文版） 年份：2021
The gully is the most dynamic and changeable landform unit on the Loess Plateau,and the characteristics of gully landforms are key indicators of gully evolution.Different gully profiles are connected and combined through runoff nodes.Thus,i......
[期刊论文] 作者：MENG Xin,XIONG Li-yang,YANG Xian-wu,YANG Bi-sheng,TANG Guo-an,,
来源：Journal of Mountain Science 年份：2018
The Fenglin and Fengcong landform units are considered to be an important representation for defining the degree of development of Karst landforms. However, these terrain features have been proven dif...
Stability analysis unit and spatial distribution pattern of the terrain texture in the northern Shaa
[期刊论文] 作者：DING Hu,NA Jia-ming,HUANG Xiao-li,TANG Guo-an,LIU Kai,,
来源：Journal of Mountain Science 年份：2018
Terrain texture analysis is an important method of digital terrain analysis in quantitative geomorphological research and in the exploration of the spatial heterogeneity and autocorrelation of terrain...
[期刊论文] 作者：DAI Wen,HU Guang-hui,YANG Xin,YANG Xian-wu,CHENG Yi-han,XIONG Li-yang,STROBL Josef,TANG Guo-an,,
来源：Journal of Mountain Science 年份：2020
Ephemeral gullies,which are widely developed worldwide and threaten farmlands,have aroused a growing concern.Identifying and mapping gullies are generally considered prerequisites of gully erosion ass...
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