PERTURBATIONS

作品数：249被引量：246H指数：6
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The Influence of Arctic Sea Ice Concentration Perturbations on Subseasonal Predictions of North Atlantic Oscillation Events
《Advances in Atmospheric Sciences》2023年第12期2242-2261,I0009-I0015,共27页Guokun DAI Mu MU Zhe HAN Chunxiang LI Zhina JIANG Mengbin ZHU Xueying MA 
the National Natural Science Foundation of China(Grant Nos.42288101,41790475,42005046,and 41775001).
The influence of Arctic sea ice concentration (SIC) on the subseasonal prediction of the North Atlantic Oscillation (NAO) event is investigated by utilizing the Community Atmospheric Model version 4. The optimal Arcti...
关键词：optimal Arctic SIC perturbation NAO event subseasonal prediction CNOP approach 
Impacts of New Implementing Strategies for Surface and Model Physics Perturbations in TREPS on Forecasts of Landfalling Tropical Cyclones被引量：3
《Advances in Atmospheric Sciences》2022年第11期1833-1858,共26页Xubin ZHANG 
sponsored by the National Key R&D Program of China through Grant No. 2017YFC1501603;the National Natural Science Foundation of China through Grant No. 41975136;the Guangdong Basic and Applied Basic Research Foundation through Grant No. 2019A1515011118。
To improve the ensemble prediction system of the tropical regional atmosphere model for the South China Sea(TREPS) in predicting landfalling tropical cyclones(TCs), the impacts of three new implementing strategies for...
关键词：ensemble forecasting MESOSCALE TC forecasting surface perturbations perturbations for model physics 
Sensitivity to Tendency Perturbations of Tropical Cyclone Short-range Intensity Forecasts Generated by WRF被引量：10
《Advances in Atmospheric Sciences》2020年第3期291-306,共16页Xiaohao QIN Wansuo DUAN Hui XU 
jointly sponsored by the National Key Research and Development Program of China (Grant No. 2018YFC1506402);the National Natural Science Foundation of China (Grant Nos. 41930971, 41575061 and 41775061)
The present study uses the nonlinear singular vector(NFSV)approach to identify the optimally-growing tendency perturbations of the Weather Research and Forecasting(WRF)model for tropical cyclone(TC)intensity forecasts...
关键词：sensitivity tendency perturbation tropical cyclone INTENSITY forecasts 
The Effects of Land Surface Process Perturbations in a Global Ensemble Forecast System被引量：1
《Advances in Atmospheric Sciences》2016年第10期1199-1208,共10页Guo DENG Yuejian ZHU Jiandong GONG Dehui CHEN Richard WOBUS Zhe ZHANG 
supported by the National Fundamental(973) Research Program of China(Grant No.2013CB430100);the Special Fund for Meteorological Scientific Research in the Public Interest(Grant No.GYHY201506005);the National Natural Science Foundation of China(Grant Nos.41475097,41075079,41275065 and 41475054)
Atmospheric variability is driven not only by internal dynamics, but also by external forcing, such as soil states, SST, snow, sea-ice cover, and so on. To investigate the forecast uncertainties and effects of land su...
关键词：PERTURBATION land surface processes GEFS ensemble transform with rescaling 
Study on Multi-Scale Blending Initial Condition Perturbations for a Regional Ensemble Prediction System被引量：30
《Advances in Atmospheric Sciences》2015年第8期1143-1155,共13页ZHANG Hanbin CHEN Jing ZHI Xiefei WANG Yi WANG Yanan 
supported by the National Natural Science Foundation of China (Grant No. 91437113);the Special Fund for Meteorological Scientific Research in the Public Interest (Grant Nos. GYHY201506007 and GYHY201006015);the National 973 Program of China (Grant Nos. 2012CB417204 and 2012CB955200);the Scientific Research & Innovation Projects for Academic Degree Students of Ordinary Universities of Jiangsu (Grant No. KYLX 0827)
An initial conditions （ICs） perturbation method was developed with the aim to improve an operational regional ensemble prediction system （REPS）. Three issues were identified and investigated： （1） the impacts of...
关键词：regional ensemble prediction system spectral analysis multi-scale blending initial condition perturbations 
On the Nonlinear Response of Lower Stratospheric Ozone to NO_x and ClO_x Perturbations for Different CH_4 Sources被引量：3
《Advances in Atmospheric Sciences》2006年第5期750-757,共8页王革丽 杨培才 
This work was supported by the National Natural Science Foundation of China under grant Nos. 90411009 and 40505018.
The impact of sulfate aerosol, ClOx and NOx perturbations for two different magnitudes of CH4 sources on lower stratospheric ozone is studied by using a heterogeneous chemical system that consists of 19 species belong...
关键词：lower stratosphere atmospheric ozone AEROSOL multi-equilibrium catastrophic transition 
Large Scale Perturbations in Extratropical Atmosphere-Part Ⅰ: On Rossby Waves被引量：3
《Advances in Atmospheric Sciences》1993年第2期169-180,共12页Y. L. McHall 
This study reexamines the propagation mechanism and geostrophic property of the classical two-dimensional Rossby waves in a non-divergent barotropic atmosphere. It will be found that propagation of large scale atmosp...
关键词：TH Large Scale Perturbations in Extratropical Atmosphere-Part On Rossby Waves 
Large Scale Perturbations in Extratropical Atmosphere-Part Ⅱ: On Geostrophic Waves被引量：2
《Advances in Atmospheric Sciences》1993年第2期181-192,共12页Y.L. McHall 
We have examined, in Part Ⅰ, the propagation mechanism and geostrophic property of classical Rossby waves in a non-divergent barotropic atmosphere. As we found that the non-divergent Rossby waves do not propagate in...
关键词：On Geostrophic Waves Large Scale Perturbations in Extratropical Atmosphere-Part 
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