《Table 1 Principal data sources》
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《Spatial-temporal Patterns and Driving Forces of Water Retention Service in China》
where R is the annual surface runoff for each pixel（mm/yr）；Ph is the annual heavy precipitation for each pixel（mm/yr）；andαis the surface runoff coefficient shown in Table 2（Ouyang et al.，2016）.The variable Ph can be calculated as:
| 图表编号 | XD0046957600 严禁用于非法目的 |
|---|---|
| 绘制时间 | 2019.02.01 |
| 作者 | XIAO Yang、OUYANG Zhiyun |
| 绘制单位 | State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences、University of Chinese Academy of Sciences、State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environme |
| 更多格式 | 高清、无水印（增值服务） |
