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. 2015 Jan 30;5:8143. doi: 10.1038/srep08143

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17 stations over the middle-lower reaches of the Yangtze River are chosen for the calculation (average over the 17 stations) of SRYR. Their locations are shown as the solid circles. We generate the figure by using Surfer 8.0 (Golden Software, http://www.goldensoftware.com/products/surfer).