Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.3389/feart.2021.755197 |
Drainage Density and Its Controlling Factors on the Eastern Margin of the Qinghai-Tibet Plateau | |
Gao, Hongshan; Liu, Fenliang; Yan, Tianqi; Qin, Lin; Li, Zongmeng | |
通讯作者 | Liu, FL (corresponding author),Hunan City Univ, Dept Geog Informat Syst Sci, Yiyang, Peoples R China. |
来源期刊 | FRONTIERS IN EARTH SCIENCE
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EISSN | 2296-6463 |
出版年 | 2022 |
卷号 | 9 |
英文摘要 | The drainage density (D-d) is an important index to show fluvial geomorphology. The study on D-d is helpful to understand the evolution of the whole hydrological and geomorphic process. Based on the Shuttle Radar Topography Mission 90-m digital elevation model, the drainage network of basins along the eastern margin of the Qinghai-Tibet Plateau is extracted using a terrain morphology-based method in ArcGIS 10.3, and D-d is calculated. The spatial characteristics of D-d are analyzed, and the relationship between D-d and its influencing factors, e.g., the topography, precipitation, and vegetation coverage, is explored. Our results show that terrains with a plan curvature >= 3 can represent the channels in the study area. D-d ranges from 2.5 to 0.1 km/km(2), increases first, and then decreases from north to south on the eastern margin of the Qinghai-Tibet Plateau. D-d decreases with increasing average slope and average local relief. On the low-relief planation surfaces, D-d increases with increasing altitude, while on the rugged mountainous above planation surfaces, D-d decreases rapidly with increasing altitude. D-d first increased and then decreased with increasing mean annual precipitation (MAP) and normalized difference vegetation index (NDVI), and D-d reaches a maximum in the West Qinling Mountains with a semi-arid environment, indicating that D-d in different climatic regions of the eastern margin of the Qinghai-Tibet Plateau was mainly controlled by precipitation and vegetation. |
英文关键词 | drainage density terrain analysis topographic factor precipitation eastern margin of the Qinghai-Tibet Plateau |
类型 | Article |
语种 | 英语 |
开放获取类型 | gold |
收录类别 | SCI-E |
WOS记录号 | WOS:000745137100001 |
WOS关键词 | HIGH-RESOLUTION TOPOGRAPHY ; CHANNEL NETWORKS ; EXTRACTION ; RIVER ; EVOLUTION ; EROSION ; CLIMATE ; SURFACE ; LITHOLOGY ; INSIGHTS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/376630 |
作者单位 | [Gao, Hongshan; Yan, Tianqi; Qin, Lin] Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Western Chinas Enviromental Syst, Minist Educ, Lanzhou, Peoples R China; [Liu, Fenliang] Hunan City Univ, Dept Geog Informat Syst Sci, Yiyang, Peoples R China; [Li, Zongmeng] Xinyang Normal Univ, Sch Geog Sci, Xinyang, Peoples R China |
推荐引用方式 GB/T 7714 | Gao, Hongshan,Liu, Fenliang,Yan, Tianqi,et al. Drainage Density and Its Controlling Factors on the Eastern Margin of the Qinghai-Tibet Plateau[J],2022,9. |
APA | Gao, Hongshan,Liu, Fenliang,Yan, Tianqi,Qin, Lin,&Li, Zongmeng.(2022).Drainage Density and Its Controlling Factors on the Eastern Margin of the Qinghai-Tibet Plateau.FRONTIERS IN EARTH SCIENCE,9. |
MLA | Gao, Hongshan,et al."Drainage Density and Its Controlling Factors on the Eastern Margin of the Qinghai-Tibet Plateau".FRONTIERS IN EARTH SCIENCE 9(2022). |
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