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Comparative study on the performance of ConvLSTM and ConvGRU in classification problems-taking early warning of short-duration heavy rainfall as an example
《Atmospheric and Oceanic Science Letters》2024年第4期52-57,共6页Meng Zhou Jingya Wu Mingxuan Chen Lei Han 
This study was jointly funded by the National Key R&D Program of China[grant number 2022YFC3004103];the National Natural Foundation of China[grant number 42275003];the Beijing Science and Technology Program[grant number Z221100005222012];the Beijing Meteorological Service Science and Technology Program[grant number BMBKJ202302004];the China Meteorological Administration Youth Innovation Team[grant number CMA2023QN10].
卷积长短期记忆单元ConvLSTM和卷积门控循环单元ConvGRU是两种广泛应用的深度学习单元,通过将循环机制与卷积运算相结合,常常用于时空序列的预测.为了明确上述两种模型的收敛速度和分类能力,需要使用相同的模型架构对相同的分类问题进...
关键词：深度学习 卷积长短期记忆单元 卷积门控循环单元 分类问题 
Influences of different definitions of the winter NAO index on NAO action centers and its relationship with SST被引量：1
《Atmospheric and Oceanic Science Letters》2019年第5期320-328,共9页JING Yujie LI Yangchun XU Yongfu FAN Guangzhou 
supported jointly by the National Key Research and Development Program of China [grant number 2016YFB02008001];the National Natural Science Foundation of China [grant number 41530426]
Winter North Atlantic Oscillation(NAO)indexes from observations based on various winter durations are compared.Results show that there are significant differences in the interannual and decadal variations of these NAO...
关键词：NAO index winter duration period action centers sea surface temperature 
Contribution of intraseasonal oscillation to long-duration summer precipitation events over southern China被引量：2
《Atmospheric and Oceanic Science Letters》2017年第1期82-88,共7页LIU Ge WU Ren-Guang WANG Hui-Mei 
supported by the National Natural Science Foundation of China[grant numbers 41375090 and 41530425];the Basic Research Fund of the Chinese Academy of Meteorological Sciences[grant number 2015Z001]
Precipitation events spanning multiple days may have consequences different from those limited to a single day.In the present paper,the authors analyze circulation anomalies and precursory signals associated with long...
关键词：Precipitation event long duration southern China intraseasonal oscillation 
Revisiting Asymmetry for the Decaying Phases of El Ni?o and La Ni?a被引量：3
《Atmospheric and Oceanic Science Letters》2014年第4期275-278,共4页CHEN Wei LU Ri-Yu Buwen DONG 
supported by the National Natural Science Foundation of China (Grant No. 41105046)
This study investigated the relationship be- tween the asymmetry in the duration of El Nifio and La Nina and the length of their decaying phases. The results suggested that the duration asymmetry comes from the long d...
关键词：ENSO asymmetry DURATION decaying phase 
The Amplitude-Duration Relation of Observed El Nio Events
《Atmospheric and Oceanic Science Letters》2012年第5期367-372,共6页Wu Yu-Jie DUAN Wan-Suo 
jointly sponsored by the National Basic Research Program of China (Nos.2010CB950402 and 2012CB955202);the Knowledge Innovation Program of the Chinese Academy of Sciences (No. KZCX2-YW-QN203);the National Natural Science Foundation of China (No.41176013)
The authors demonstrate that the E1 Nifio events in the pre- and post-1976 periods show two ampli- tude-duration relations. One is that the stronger E1 Nifio events have longer durations, which is robust for the moder...
关键词：climatic oscillation E1 Nifio events AMPLITUDE DURATION 
Changes to the Natural Regional Boundaries in China During 1961-2007
《Atmospheric and Oceanic Science Letters》2011年第4期199-203,共5页YU Zhen-Yan FAN Guang-Zhou DONG Yi-Ping WANG Lei HUA Wei ZHOU Ding-Wen 
supported by the National Natural Science Foundation of China (Grant No.40875053)
Daily temperature data from 599 stations across China for the years 1961 to 2007 were used to analyze the changes in the natural regional boundaries. The results show that the accumulated temperature ≥10℃ and its du...
关键词：accumulated temperature DURATION natural regional boundary global warming 
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