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Observed daily streamflows from the five sub-tributaries in the Poyang Lake catchment were collected from the Hydrology Bureau of Jiangxi Province, China. In the sub-catchments of the Ganjiang, Fuhe, and Xinjiang Rivers, only one gauging station on each main stream was selected to represent river discharge, including the Waizhou, Lijiadu, and Meigang stations. In the sub-catchments of the Xiushui and Raohe Rivers, two gauging stations on each stream (the Wanjiabu and Qiujin stations on the Xiushui River and the Shizhenjie and Dufengkeng stations on the Raohe River) were included to account for the runoff contributions to the main stream. Streamflow values measured at Qiujin station are available from 1983 to 2010, and measurements at other stations are available from 1960 to 2010. The locations of these gauging stations are shown in Figure 1, and additional information is summarized in Table 1. Additionally, daily rain gauge data from 24 meteorological stations in the Poyang Lake catchment from 1960 to 2010 were collected from the National Meteorological Information Center of China to measure and examine the distribution characteristics of precipitation in the catchment. Note that these rain and hydrological data have been widely used in different studies previously (Hu et al. 2007; Guo et al. 2008, 2012; Ye et al. 2011, 2013; Zhang et al. 2014; Li et al. 2015; Li & Zhang 2015), and the quality of the data is quite reliable.

Table 1

Summary of hydrological gauging stations used in the study

StationSub-tributaryCoordinatesSub-catchment area (km2)Runoff (108m3/y)Average runoff depth (mm/y)
Waizhou Ganjiang River 115.83°, 28.63 ° 80,948 683 844 
Meigang Xinjiang River 116.82 °, 28.43 ° 15,535 179 1,152 
Lijiadu Fuhe River 116.17 °, 28.22 ° 15,811 123 780 
Shizhenjie Raohe River (south) 116.97 °, 28.85 ° 8,367 92 1,099 
Dufengkeng Raohe River (north) 117.12 °, 29.16 ° 5,013 45 898 
Wanjiabu Xiushui River (south) 115.65 °, 28.85 ° 3,548 35 978 
Qiujin Xiushui River (north) 115.41 °, 29.10 ° 9,914 92 931 
StationSub-tributaryCoordinatesSub-catchment area (km2)Runoff (108m3/y)Average runoff depth (mm/y)
Waizhou Ganjiang River 115.83°, 28.63 ° 80,948 683 844 
Meigang Xinjiang River 116.82 °, 28.43 ° 15,535 179 1,152 
Lijiadu Fuhe River 116.17 °, 28.22 ° 15,811 123 780 
Shizhenjie Raohe River (south) 116.97 °, 28.85 ° 8,367 92 1,099 
Dufengkeng Raohe River (north) 117.12 °, 29.16 ° 5,013 45 898 
Wanjiabu Xiushui River (south) 115.65 °, 28.85 ° 3,548 35 978 
Qiujin Xiushui River (north) 115.41 °, 29.10 ° 9,914 92 931 

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