KMS Institute of Mountain Hazards and Environment,CAS
| Quantitative analysis and spatial distribution of slope spectrum - A case study in the Loess Plateau in north Shaanxi province | |
| Language | 英语 |
| Fayuan Li1,2; Guoan Tang1; Chun Wang1; Ting Zhang1 | |
| 2007 | |
| Source Publication | GEOINFORMATICS 2007: GEOSPATIAL INFORMATION SCIENCE, PTS 1 AND 2 |
| Author of Source | Chen, J |
| Volume | 6753 |
| Pages | 67531R |
| meeting | 15th International Conference on Geoinformatics |
| Conference Date | MAY 25-27, 2007 |
| Conference Place | Nanjing |
| Country | PEOPLES R CHINA |
| Publication Place | BELLINGHAM |
| Publisher | SPIE-INT SOC OPTICAL ENGINEERING |
| Contribution Rank | 1 |
| Abstract | Slope spectrum is defined as a statistic model of slope distribution in a certain area. Previous researches mainly focus on morphology depiction of the slope spectrum; its spatial distribution is unknown yet, especially in the Loess Plateau. Theory and methodology of information entropy and statistics are applied for the objective of quantitatively analyzing the slope spectrum and its spatial distribution in the Loess Plateau in North Shaanxi province. Experiment results show that slope spectrum's information entropy (H), skewness of slope spectrum (S) and terrain driving force factor (T-d) can appropriately depict the slope spectrum and its spatial distribution from different points of view. Spatial distribution of the slope spectrum represents spatial distribution of loess landform types, and it is correlatable with spatial distribution of soil erosion intensity in the Loess Plateau. H, Td and gully density, surface incision depth show positive correlation: gully density and surface incision increase as H, Td increase. On the contrary, the S and gully density, surface incision depth show negative correlation. Lastly, spatial relationship between slope spectrum and loess landform types are qualitatively analyzed, and loess landform evolution as well. |
| Keyword | Loess Plateau slope spectrum spatial distribution information entropy skewness terrain driving force |
| DOI | 10.1117/12.761894 |
| ISBN | 978-0-8194-6913-7 |
| ISSN | 0277-786X |
| Indexed By | EI ; CPCI |
| Accession number | Accession number:20074810954555 |
| WOS ID | WOS:000251055500062 |
| Citation statistics | |
| Document Type | 会议论文 |
| Identifier | http://ir.imde.ac.cn/handle/131551/33470 |
| Collection | 成都山地所知识仓储（2009年以前） |
| Corresponding Author | Fayuan Li |
| Affiliation | 1.Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, No.1, Wenyuan road, Xianlin Campus, Nanjing, Jiangsu, P.R.C. 210046; 2.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, No.9, Block 4, Renmingnan Road, Chengdu, Sichuan, P.R.C. 610041 |
| First Author Affilication | 中国科学院水利部成都山地灾害与环境研究所 |
| Corresponding Author Affilication | 中国科学院水利部成都山地灾害与环境研究所 |
| Recommended Citation GB/T 7714 | Fayuan Li,Guoan Tang,Chun Wang,et al. Quantitative analysis and spatial distribution of slope spectrum - A case study in the Loess Plateau in north Shaanxi province[C]//Chen, J. BELLINGHAM:SPIE-INT SOC OPTICAL ENGINEERING,2007:67531R. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 李发源 等：Quantitative a（869KB） | 会议论文 | 开放获取 | CC BY-NC-SA | View Application Full Text | ||
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