KMS Institute Of Geographic Sciences And Natural Resources Research,CAS
| An approach to extracting surface supply relationships between glaciers and lakes on the Tibetan Plateau | |
Ai, Bei-Bei1,2; Qin, Cheng-Zhi1,2,3,4 ; Ye, Qinghua5; Zhu, A-Xing1,3,4,6,7; Cogley, Graham8
| |
| 2018 | |
| Source Publication | INTERNATIONAL JOURNAL OF DIGITAL EARTH
 |
| ISSN | 1753-8947 |
| Volume | 11Issue:11Pages:1151-1165 |
| Corresponding Author | Qin, Cheng-Zhi(qincz@lreis.ac.cn) |
| Abstract | Surface supply relationships between glaciers and lakes are needed to analyze and understand hydrological processes at regional and global scales. However, these supply relationships still cannot be extracted efficiently by existing methods. This paper proposes an automatic and efficient approach to extracting surface supply relationships between glaciers and lakes based on meltwater flow paths. The approach includes two stages: (1) identifying direct connections between objects (i.e. glaciers and lakes) based on flow direction derived from digital terrain analysis on a gridded digital elevation model (DEM) and (2) deriving all (or user-specified) kinds of surface supply relationships based on graph search. All computation-intensive steps in this approach have been parallelized; and all steps in the proposed approach have been integrated as an automatic program. Results for the Tibetan Plateau show that given outline data for glaciers and lakes and the Shuttle Radar Topography Mission DEM, the proposed approach can automatically derive diverse surface supply relationships under user-specified restrictions on the attributes of the supply route. The parallelization in the approach effectively improves the computing efficiency. The proposed approach could also be applied to developing a detailed fundamental dataset of supply relationships between glaciers and lakes for other region or period. |
| Keyword | Glaciers and lakes surface supply relationship digital terrain analysis parallel computing Tibetan Plateau |
| DOI | 10.1080/17538947.2017.1374475 |
| WOS Keyword | CLIMATE-CHANGE ; INVENTORY ; REGION ; CHINA ; DEM |
| Indexed By | SCI |
| Language | 英语 |
| WOS Research Area | Physical Geography ; Remote Sensing |
| WOS Subject | Geography, Physical ; Remote Sensing |
| WOS ID | WOS:000444256900004 |
| Publisher | TAYLOR & FRANCIS LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.igsnrr.ac.cn/handle/311030/54274 |
| Collection | 中国科学院地理科学与资源研究所 |
| Corresponding Author | Qin, Cheng-Zhi |
| Affiliation | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China 3.Nanjing Normal Univ, Jiangsu Ctr Collaborat Innovat Geog Informat Reso, Nanjing, Jiangsu, Peoples R China 4.Nanjing Normal Univ, Sch Geog, Nanjing, Jiangsu, Peoples R China 5.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China 6.Univ Wisconsin, Dept Geog, Madison, WI 53706 USA 7.Nanjing Normal Univ, Minist Educ, Key Lab Virtual Geog Environm, Nanjing, Jiangsu, Peoples R China 8.Trent Univ, Dept Geog, Peterborough, ON, Canada |
| Recommended Citation GB/T 7714 | Ai, Bei-Bei,Qin, Cheng-Zhi,Ye, Qinghua,et al. An approach to extracting surface supply relationships between glaciers and lakes on the Tibetan Plateau[J]. INTERNATIONAL JOURNAL OF DIGITAL EARTH,2018,11(11):1151-1165. |
| APA | Ai, Bei-Bei,Qin, Cheng-Zhi,Ye, Qinghua,Zhu, A-Xing,&Cogley, Graham.(2018).An approach to extracting surface supply relationships between glaciers and lakes on the Tibetan Plateau.INTERNATIONAL JOURNAL OF DIGITAL EARTH,11(11),1151-1165. |
| MLA | Ai, Bei-Bei,et al."An approach to extracting surface supply relationships between glaciers and lakes on the Tibetan Plateau".INTERNATIONAL JOURNAL OF DIGITAL EARTH 11.11(2018):1151-1165. |
| Files in This Item: | There are no files associated with this item. | |||||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment