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Hydrological network and classification of lakes on the Third Pole
Gao, Y (Gao, Yang)1,2; Wang, WC (Wang, Weicai)1,2; Yao, TD (Yao, Tandong)1,2; Lu, N (Lu, Ning)3,4; Lu, AX (Lu, Anxin)5

The intensity and form of changes in closed lakes, upstream lakes and outflow lakes on the Third Pole (TP) differ based on their drainage mode. Researchers' insufficient understanding of the hydrological networks associated with lakes hampers studies of the relationship between lakes and climate. In this study, we establish a comprehensive hydrological network for each lake ( > 1 km(2)) on the TP using 106 Landsat images, 236 Chinese topographic maps, and SRTM DEM. Three-hundred-ninety-seven closed lakes, 488 upstream lakes and 317 outflow lakes totaling 3,5498.49 km(2), 7,378.82 km(2), and 3,382.29 km(2), respectively, were identified on the TP using 2010 data. Two-hundred-thirty-four closed lakes were found to not be linked to upstream lakes. The remaining 163 closed lakes were connected to and fed by the 488 upstream lakes. The object-oriented analyses within this study indicated that more rapid changes occurred in the surface extent of closed lakes than in upstream lakes or outflow lakes on the TP from 1970s to 2010. Furthermore, the water volume of the examined closed lakes was almost nine times greater than that of the upstream lakes from 2003 to 2009. All the examined closed lakes exhibited an obvious water volume change compared to the corresponding upstream lakes in the same basin. Furthermore, two case studies illustrate that the annual and seasonal dynamics associated with the changes in closed lakes may reflect climate change patterns, while the upstream lake dynamics may be more controlled by the lakeshore terrain and drainage characteristics. The lake inventory and hydrological network catalogued in this study provide a basis for developing a better understanding of lake response to climate change on the TP.

Subject Area地理学
WOS IDWOS:000430882300044
Indexed BySCIE
KeywordTibetan Plateau Elevation Changes Expansion Decades Basin
WOS Research AreaEngineering ; Geology ; Water Resources
WOS SubjectEngineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
Cooperation Status国内
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Document Type期刊论文
Corresponding AuthorGao, Y (Gao, Yang)
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China;
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China;
4.Jiangsu Ctr Collaborat Innovat Geog Informat Reso, Nanjing 210023, Jiangsu, Peoples R China;
5.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Beijing 100094, Peoples R China.
Recommended Citation
GB/T 7714
Gao, Y ,Wang, WC ,Yao, TD ,et al. Hydrological network and classification of lakes on the Third Pole[J]. JOURNAL OF HYDROLOGY,2018,560(0):582-594.
APA Gao, Y ,Wang, WC ,Yao, TD ,Lu, N ,&Lu, AX .(2018).Hydrological network and classification of lakes on the Third Pole.JOURNAL OF HYDROLOGY,560(0),582-594.
MLA Gao, Y ,et al."Hydrological network and classification of lakes on the Third Pole".JOURNAL OF HYDROLOGY 560.0(2018):582-594.
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