نتایج جستجو برای: pressure patterns of asian monsoon and sudanese

تعداد نتایج: 24099217  

2017
Quan Chen Zhifei Liu Catherine Kissel

The East Asian summer monsoon controls the climatic regime of an extended region through temperature and precipitation changes. As the East Asian summer monsoon is primarily driven by the northern hemisphere summer insolation, such meteorological variables are expected to significantly change on the orbital timescale, influencing the composition of terrestrial sediments in terms of both mineral...

2016
Ryuji Tada Richard W. Murray

Preface Land–ocean interactions are an essential part of the climatic system, and monsoons are perhaps the most important example of such interactions. The Asian monsoon is by far the largest monsoon system on the globe, and its impact is felt worldwide. This monsoon system influences the lives of more than one half of the world’s population via the hydrological cycle and its variability over t...

2009
Kazuyoshi Oouchi Akira T. Noda Masaki Satoh Bin Wang Shang-Ping Xie Hiroshi G. Takahashi Tetsuzo Yasunari

[1] Interaction of convection and circulation is key to the Asian summer monsoon, but difficult to represent in global models. Here we report results from simulations for the summer of 2004 by a global cloud-system-resolving model, NICAM. At both 14and 7-km horizontal resolution, NICAM simulates the observed monsoon circulation patterns, and the northward propagation of precipitation. The 7-km ...

Introduction According to geographical location of Iran and relatively high elevation of most of its areas above sea-level, occurrence of frosts has many negative effects on different sections, such as agricultural, transportation and energy. Frosts are generally related to displacement and movement of cold anticyclones from northern latitudes to Iran. Wide range of synoptic characteristics is...

2015
Zhixin Hao Di Sun Jingyun Zheng Liping Zhu

Based on observational data and Asian monsoon intensity datasets from China, the relationships between the East Asian winter monsoon index and winter temperature, the East Asian summer monsoon index and Meiyu precipitation over the middle and lower reaches of the Yangtze River, were analyzed. We found that the monsoon signals were reflected in the temperature and Meiyu precipitation variations....

2016
Zhanqing Li W. K.-M. Lau V. Ramanathan G. Wu Y. Ding M. G. Manoj J. Liu Y. Qian J. Li T. Zhou J. Fan D. Rosenfeld Y. Ming Y. Wang J. Huang B. Wang X. Xu S.-S. Lee F. Zhang X. Yang C. Zhao T. Takemura K. Wang X. Xia Y. Yin H. Zhang J. Guo P. M. Zhai N. Sugimoto S. S. Babu G. P. Brasseur

The increasing severity of droughts/floods and worsening air quality from increasing aerosols in Asia monsoon regions are the two gravest threats facing over 60% of the world population living in Asian monsoon regions. These dual threats have fueled a large body of research in the last decade on the roles of aerosols in impacting Asian monsoon weather and climate. This paper provides a comprehe...

Journal: :جغرافیا و مخاطرات محیطی 0
پیمان محمودی محمود خسروی سید ابوالفضل مسعودیان بهلول علیجانی

introduction although temperatures in 0 and below 0 c° in the cold season of the year and mid latitudes are not necessarily considered an extreme phenomenon, but their long-term durability in a widespread area or their sudden occurrence in the beginning and end of the cold season can make this faetor an extreme extent phenomenon. the extreme phenomena are resulted from interaction between large...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2006
Rong Fu Yuanlong Hu Jonathon S Wright Jonathan H Jiang Robert E Dickinson Mingxuan Chen Mark Filipiak William G Read Joe W Waters Dong L Wu

During boreal summer, much of the water vapor and CO entering the global tropical stratosphere is transported over the Asian monsoon/Tibetan Plateau (TP) region. Studies have suggested that most of this transport is carried out either by tropical convection over the South Asian monsoon region or by extratropical convection over southern China. By using measurements from the newly available Nati...

2003
J. M. Arblaster

Results are first presented from an analysis of a global coupled climate model regarding changes in future mean and variability of south Asian monsoon precipitation due to increased atmospheric CO2 for doubled (2 · CO2) and quadrupled (4 · CO2) presentday amounts. Results from the coupled model show that, in agreement with previous studies, mean areaaveraged south Asian monsoon precipitation in...

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