Objective Large numbers of archeological relics from the Neolithic period are widely distributed in all tributaries of the Yellow River. The early humans tended to reside along the river valleys, and developed small b...Objective Large numbers of archeological relics from the Neolithic period are widely distributed in all tributaries of the Yellow River. The early humans tended to reside along the river valleys, and developed small but characteristically decentralized ancient valley culture. It is universally acknowledged that the agriculture exchange between China and western countries and the moderate展开更多
为揭示变化环境下长江和黄河流域不同区域枯水遭遇对国家水网工程的规划、设计与运行的影响,采用Copula函数、空间插值、冷热点分析、SWAT模型等方法,分析了两流域枯水遭遇概率的时空演变特征并预测其未来趋势。结果表明:上游大金-兰州...为揭示变化环境下长江和黄河流域不同区域枯水遭遇对国家水网工程的规划、设计与运行的影响,采用Copula函数、空间插值、冷热点分析、SWAT模型等方法,分析了两流域枯水遭遇概率的时空演变特征并预测其未来趋势。结果表明:上游大金-兰州组合、雅江-兰州组合枯水遭遇概率以每10 a 1.46%~1.57%的速率显著上升,而大通-花园口组合以每10 a 1.04%的速率显著下降;大金站与雅江站的热点区域主要位于长江中上游与长三角地区,冷点区域位于黄河“几字弯”及长江两湖地区;兰州站与花园口站的热点区域位于黄河中游黄土高原以南,冷点区域集中于长江中下游;未来各站点组合枯水遭遇概率的多模式平均值均超过20%,其中大金-兰州组合与大通-花园口组合呈先减小后增大的趋势,雅江-兰州组合呈线性增大趋势,黄家港-花园口组合呈先减小后缓升趋势。展开更多
基金financially supported by the National Science Foundation of China (grant No. 41571177)
文摘Objective Large numbers of archeological relics from the Neolithic period are widely distributed in all tributaries of the Yellow River. The early humans tended to reside along the river valleys, and developed small but characteristically decentralized ancient valley culture. It is universally acknowledged that the agriculture exchange between China and western countries and the moderate
文摘为揭示变化环境下长江和黄河流域不同区域枯水遭遇对国家水网工程的规划、设计与运行的影响,采用Copula函数、空间插值、冷热点分析、SWAT模型等方法,分析了两流域枯水遭遇概率的时空演变特征并预测其未来趋势。结果表明:上游大金-兰州组合、雅江-兰州组合枯水遭遇概率以每10 a 1.46%~1.57%的速率显著上升,而大通-花园口组合以每10 a 1.04%的速率显著下降;大金站与雅江站的热点区域主要位于长江中上游与长三角地区,冷点区域位于黄河“几字弯”及长江两湖地区;兰州站与花园口站的热点区域位于黄河中游黄土高原以南,冷点区域集中于长江中下游;未来各站点组合枯水遭遇概率的多模式平均值均超过20%,其中大金-兰州组合与大通-花园口组合呈先减小后增大的趋势,雅江-兰州组合呈线性增大趋势,黄家港-花园口组合呈先减小后缓升趋势。
