ROSSBY

作品数:105被引量:230H指数:8
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Causes of Winter Persistent Extreme Cold Events in Northeastern China
《Advances in Atmospheric Sciences》2025年第4期780-793,共14页Ming YANG Qingjiu GAO Tim LI 
supported by the National Natural Science Foundation of China(Grant Nos.42088101 and 42075032).
Persistent(5-day or longer)extreme cold events(ECEs)over northeastern China during the boreal winter of 1979–2020 are investigated using daily minimum temperature(Tmin)from the China Meteorological Data Network.The e...
关键词:extreme cold events low-frequency ISO mode Rossby wave train composite analysis downward propagation potential vorticity 
非定常基本流作用下的高维Rossby孤立波模型及机制研究
《水动力学研究与进展(A辑)》2024年第6期874-882,共9页张志慧 刘全生 尹晓军 杨联贵 张瑞岗 
国家自然科学基金项目(Nos.12102205,12262025及12362027);内蒙古自治区高等学校“青年科技英才支持项目”(NJYT23098);内蒙古自治区高等学校创新团队(No.NMGIRT2208);内蒙古自治区研究生科研创新项目(S20231025Z)。
基于揭示非线性Rossby波动物理机制的主要目标,该文从浅水方程组出发,通过进一步简化方程,推导得到了无量纲准地转位涡守恒方程。利用时空变换和摄动法推导了地形作用下的Rossby波振幅演变所满足的(2+1)维变系数Zakharov-Kuznetsov(Z-K...
关键词:ROSSBY波 变系数Z-K方程 偶极子阻塞 JACOBI椭圆函数展开法 
Rossby波传播特征及其对北极东北航道起始段海域天气的影响研究
《暴雨灾害》2024年第5期551-559,共9页杨宁 闫敏慧 陈农 钱眺 王蕾 张金峰 周莹 
黑龙江省自然科学基金项目(LH2021D017)。
北极东北航道起始段海域位于我国黄渤海,大风和强降水是可能威胁到该海域航运安全的主要灾害性天气类型。其中寒潮天气过程伴随的冷空气大风以及热带气旋、温带气旋等天气系统产生的大风、强降水等灾害性天气,对该海域航运安全造成很大...
关键词:ROSSBY波 北极东北航道 波作用通量散度 波源 
Responses of the Southern Ocean mixed layer depth to the eastern and central Pacific El Niño events during austral winter被引量:1
《Acta Oceanologica Sinica》2024年第7期1-14,共14页Yuxin Shi Hailong Liu Xidong Wang Quanan Zheng 
The Oceanic Interdisciplinary Program of Shanghai Jiao Tong University under contract No.SL2021ZD204;the Sino-German Mobility Program under contract No.M0333;the grant of Shanghai Frontiers Science Center of Polar Science(SCOPS).
Based on the Ocean Reanalysis System version 5(ORAS5)and the fifth-generation reanalysis datasets derived from European Centre for Medium-Range Weather Forecasts(ERA5),we investigate the different impacts of the centr...
关键词:Southern Ocean mixed layer depth Central Pacific El Niño Eastern Pacific El Niño Rossby wave train 
MJO对2020年夏季中国东部持续性降水的维持作用
《大气科学》2024年第3期1157-1172,共16页赵起帆 周洋 
国家自然科学基金项目41930969、42175030。
本文利用美国NOAA的CMORPH降水和NCEP的CFSv2再分析资料、欧洲中心ERA-5再分析数据、Wheeler和Hendon的MJO指数等资料和敏感性数值试验分析了MJO对2020年夏季中国东部持续性降水的影响机制。通过相关、回归、波源分析等方法发现:(1)与...
关键词:Madden-Julian振荡(MJO) Rossby波源 季风降水 中国东部 
Alternation of the Atmospheric Teleconnections Associated with the Northeast China Spring Rainfall during a Recent 60-Year Period
《Advances in Atmospheric Sciences》2023年第1期168-176,共9页Zhiwei ZHU Rui LU Shanshan FU Hua CHEN 
supported by the National Natural Science Foundation of China (Grant Nos: 42088101 & 42175033);the High-Performance Computing Center of Nanjing University of Information Science & Technology
Northeast China(NEC)is China’s national grain production base,and the local precipitation is vital for agriculture during the springtime.Therefore,understanding the dynamic origins of the NEC spring rainfall(NECSR)va...
关键词:Northeast China spring rainfall Rossby wave train interdecadal change westerly jet stream 
The extreme Arctic warm anomaly in November 2020
《Atmospheric and Oceanic Science Letters》2022年第5期55-60,共6页Qiyao Fan Xinping Xu Shengping He Botao Zhou 
supported by the Guangdong Major Project of Basic and Applied Basic Research [grant number 2020B0301030004];the National Natural Science Foundation of China [grant numbers 42025502 and 41875118];the Research Council of Norway project BASIC [grant number 325440];the State Scholarship Fund of the China Scholarship Council [grant number 202109045003]
In November 2020,the eastern Arctic experienced an extensive extreme warm anomaly(i.e.,the second strongest case since 1979),which was followed by extreme cold conditions over East Asia in early winter.The observed Ar...
关键词:Arctic warm anomaly Arctic sea-ice loss Poleward moisture transport Rossby wave train 
Dynamics of Rossby solitary waves with time-dependent mean flow via Euler eigenvalue model
《Applied Mathematics and Mechanics(English Edition)》2022年第10期1615-1630,共16页Zhihui ZHANG Liguo CHEN Ruigang ZHANG Liangui YANG Quansheng LIU 
supported by the National Natural Science Foundation of China(Nos.12102205 and 11762011);the Natural Science Foundation of Inner Mongolia Autonomous Region of China(No.2020BS01002);the Research Program of Science at Universities of Inner Mongolia Autonomous Region of China(No.NJZY20003);the Scientific Starting Foundation of Inner Mongolia University of China(No.21100-5185105);the Innovative Research Team in Universities of Inner Mongolia Autonomous Region of China(No.NMGIRT2008)。
The investigation on the fluctuations of nonlinear Rossby waves is of great importance for the understanding of atmospheric or oceanic motions.The present paper mainly deals with the well-known atmospheric blocking ph...
关键词:THEORY methods flow 
Heavy Precipitation over the Jing–Jin–Ji Region in Early October: What Controls Its Interannual Variability?
《Journal of Meteorological Research》2022年第4期586-600,共15页Jing FENG Tim LI Ji WANG Linna ZHANG 
Supported by the National Natural Science Foundation of China(42088101 and 41875074);China Meteorological Administration Innovation and Development Project(CXFZ2021J030 and CXFZ2021J046);Beijing Meterological Service Science and Technology Project(BMBKJ 201901031);Climate Change Special Fund of China Meteorological Administration(202009).
Heavy regional precipitation(HRP)over Beijing,Tianjin,and Hebei Province(the Jing–Jin–Ji region or JJJ)in early October(1–10 October)is a high-impact climate event because of travel and outdoor activities by except...
关键词:heavy regional precipitation(HRP)in Jing–Jin–Ji(JJJ) Beijing Tianjin and Hebei Province water vapor(WV)transport Rossby wave train diabatic heating anomalies La Niña-like SST anomaly 
Cause of Extreme Heavy and Persistent Rainfall over Yangtze River in Summer 2020被引量:11
《Advances in Atmospheric Sciences》2021年第12期1994-2009,共16页Xiao PAN Tim LI Ying SUN Zhiwei ZHU 
This work was jointly supported by China National Key R&D Program 2018YFA0605604,NSFC Grant No.42088101,NOAA NA18OAR4310298,and NSF AGS-2006553;This is SOEST contribution number 11354,IPRC contribution number 1524,and ESMC number 350.
Record-breaking heavy and persistent precipitation occurred over the Yangtze River Valley(YRV)in June-July(JJ)2020.An observational data analysis has indicated that the strong and persistent rainfall arose from the co...
关键词:Yangtze River floods anomalous anticyclone over the western North Pacific CP and EP El Niño Indian Ocean warming La Niña Rossby wave train 
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