Surface water availability(SWA,calculated by precipitation[P]minus actual evaporation[E])has great impacts on society.However,it remains unclear how SWA will change in a net-zero and net-negative future.In this study,...Surface water availability(SWA,calculated by precipitation[P]minus actual evaporation[E])has great impacts on society.However,it remains unclear how SWA will change in a net-zero and net-negative future.In this study,we examine future changes in P,E,and SWA from the Coupled Model Intercomparison Project Phase 6(CMIP6)for net-zero(2050–2060)and net-negative(2090–2100)CO_(2)emissions periods under pathway SSP1-1.9 relative to historical baseline(1995–2014)in the main Belt and Road Initiative(BRI)regions.展开更多
为了提高图书馆数据信息监控和分析能力,提高图书馆数据信息应用能力,将TIAM3517处理器作为主CPU处理核心,实现与600MHz ARM Cortex-A8内核集成,构建了人工鱼群优化算法(Artificial Fish Swarm,AFS)模型,进而获取图书馆数据信息中的目...为了提高图书馆数据信息监控和分析能力,提高图书馆数据信息应用能力,将TIAM3517处理器作为主CPU处理核心,实现与600MHz ARM Cortex-A8内核集成,构建了人工鱼群优化算法(Artificial Fish Swarm,AFS)模型,进而获取图书馆数据信息中的目标数据信息,在个性化推荐中引入了自适应策略,结合K-means聚类算法找到最佳聚类中心,最终实现图书馆图书的个性化推荐,提高了图书馆数据信息的目标检索能力。通过试验,该研究系统在进行系统性能的测试时,系统响应时间为3s,数据监控能力强,检索能力强,大幅提高了图书馆数据信息监控及分析。展开更多
基金funded and supported by the National Key R&D Program of China(2018YFA0606501)the National Natural Science Foundation of China(U21A6001 and 42175173)+2 种基金the Second Tibetan Plateau Scientific Expedition and Research Program(2019QZKK0103)Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)(No.311022006)the National Key Scientific and Technological Infrastructure project"Earth System Science Numerical Simulator Facility"(EarthLab)
文摘Surface water availability(SWA,calculated by precipitation[P]minus actual evaporation[E])has great impacts on society.However,it remains unclear how SWA will change in a net-zero and net-negative future.In this study,we examine future changes in P,E,and SWA from the Coupled Model Intercomparison Project Phase 6(CMIP6)for net-zero(2050–2060)and net-negative(2090–2100)CO_(2)emissions periods under pathway SSP1-1.9 relative to historical baseline(1995–2014)in the main Belt and Road Initiative(BRI)regions.
文摘为了提高图书馆数据信息监控和分析能力,提高图书馆数据信息应用能力,将TIAM3517处理器作为主CPU处理核心,实现与600MHz ARM Cortex-A8内核集成,构建了人工鱼群优化算法(Artificial Fish Swarm,AFS)模型,进而获取图书馆数据信息中的目标数据信息,在个性化推荐中引入了自适应策略,结合K-means聚类算法找到最佳聚类中心,最终实现图书馆图书的个性化推荐,提高了图书馆数据信息的目标检索能力。通过试验,该研究系统在进行系统性能的测试时,系统响应时间为3s,数据监控能力强,检索能力强,大幅提高了图书馆数据信息监控及分析。