Climate Dynamics
Papers 5869
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#1Yuqian HaoH-Index: 1
#2Boqi LiuH-Index: 8
Last.Bian He (CAS: Chinese Academy of Sciences)H-Index: 10
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Interannual variability of boreal summer monsoon (BSM) rainfall exhibits a prominent co-variation mode, which affects the regions with the highest population density in the world. The mode intensity depends on the rainfall variation over the western North Pacific (WNP) and the North America (NAM) monsoon regions. This study suggests that relative importance of the WNP and NAM rainfall anomalies is asymmetric between the strong positive (SP) and strong negative (SN) phases of this mode, which can...
#1A. G. Nidheesh (University of Paris)H-Index: 2
#2Matthieu Lengaigne (IISc: Indian Institute of Science)H-Index: 40
Last.R. Krishnan (IITM: Indian Institute of Tropical Meteorology)H-Index: 12
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Indian Ocean decadal sea-level variability is an active research area, with many unresolved questions due to inadequate observational coverage. In this study, we analyse 26 Coupled Model Intercomparison Project (CMIP) pre-industrial simulations and isolate two consistent modes of Indian Ocean variability, which collectively explain about 50% of the total decadal sea-level variance. With opposite sea-level signals in the southwestern and eastern Indian Ocean, the first mode is related to decadal ...
#1Zaiyu Wang (GMU: George Mason University)H-Index: 1
#2Edwin K. Schneider (GMU: George Mason University)H-Index: 31
Last.Natalie J. Burls (GMU: George Mason University)H-Index: 9
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A pronounced tropical cooling (> 4 °C) and high-latitude warming in the annual mean sea surface temperature (SST) climatology is found in a numerical experiment conducted with a coupled model consisting of an atmospheric general circulation model (AGCM) coupled to a slab ocean model (SOM) in which the time-independent SOM thickness is reduced by a factor of two. The results suggest that biases in the ocean mixed layer depth could be contributing to SST biases in coupled atmosphere–ocean general ...
#1Shahzad Kamil (KAU: King Abdulaziz University)H-Index: 3
#2Mansour Almazroui (KAU: King Abdulaziz University)H-Index: 18
Last.Fahad Saeed (KAU: King Abdulaziz University)H-Index: 6
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The interannual precipitation variability over Western Himalaya–Karakoram–Hindukush (WHKH) region has a significant impact on the freshwater resources, energy and agriculture sectors. Midlatitude storms play the role of an atmospheric bridge between large-scale circulation patterns and regional precipitation distributions during the winter (December–April) season. In this study, we investigated long-term changes between El Nino Southern Oscillation (ENSO) and storm activity as well as between EN...
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A colder winter over Northeast Asia (NEA) has traditionally been attributed to the stronger East Asian winter monsoon (EAWM) on interannual timescale. However, the present work proposes this robust linkage becomes weak during 1993–2003, along with the changes of the underlying condition in the last three decades. During 1981–1992 and 2004–2016, the loss of autumn Arctic sea ice condensation (SIC) leads to the stratospheric warming and the polar vortex weakening, which results in the enhancement ...
#1Jinny Lee (UCI: University of California, Irvine)
#2Duane E. Waliser (California Institute of Technology)H-Index: 62
Last.Kenneth E. Kunkel (NCSU: North Carolina State University)H-Index: 47
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The ability of the 5th phase of the Coupled Model Intercomparison Project (CMIP5) to reproduce twentieth-century climate trends over the seven CONUS regions of the National Climate Assessment is evaluated. This evaluation is carried out for summer and winter for three time periods, 1895–1939, 1940–1979, and 1980–2005. The evaluation includes all 206 CMIP5 historical simulations from 48 unique models and their multi-model ensemble (MME), as well as a gridded in situ dataset of surface air tempera...
#1Sajedeh Marjani (UT: University of Tehran)
#2Omid Alizadeh-Choobari (UT: University of Tehran)H-Index: 7
Last.Parviz Irannejad (UT: University of Tehran)H-Index: 2
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The El Nino-Southern Oscillation (ENSO) is a quasi-periodical natural phenomenon occurring in the tropical Pacific whose characteristics can be influenced by global warming. Using outputs of 14 general circulation models (GCMs) participating in the Coupled Model Intercomparison Project Phase 5 (CMIP5), the numbers of extreme El Nino and La Nina events are analyzed for the 50-year period in the future (2050–2099) under the RCP4.5 and RCP8.5 scenarios relative to those during the historical period...
#1Roberto Bilbao (Barcelona Supercomputing Center)H-Index: 1
#2Jonathan M. Gregory (University of Reading)H-Index: 76
Last.Peter A. Stott (Met Office)H-Index: 61
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We examine whether significant changes in ocean temperatures can be detected in recent decades and if so whether they can be attributed to anthropogenic or natural factors. We compare ocean temperature changes for 1960–2005 in four observational datasets and in historical simulations by atmosphere-ocean general circulation models (AOGCMs) from the Coupled Model Intercomparison Project phase 5 (CMIP5). Observations and CMIP5 models show that the upper 2000 m has warmed with a signal that has a we...
#1Yong Zhang (CMA: China Meteorological Administration)H-Index: 4
#2Yanan Li (CMA: China Meteorological Administration)
Last.Huansheng Chen (CAS: Chinese Academy of Sciences)H-Index: 28
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Black carbon (BC) is one of the most important climate pollutants due to its strong positive radiative forcing on the climate system. However, long-term observation of BC is inadequate, and its trend remains unknown at both regional and global scales. In this study, using quality-controlled ground-based black carbon observations at 34 stations, the climatology of BC mass concentration during 2006–2017 in China was evaluated for the first time. The national annual average BC concentration was 353...
A modified approach to the assessment of the prediction skill of “modes of variability” is proposed and applied to a decadal prediction experiment. In particular, the skill of predicting the Pacific Decadal Oscillation (PDO) is investigated. The approach depends on separately calculating the EOFs of the observations, the ensemble of forecasts, and an ensemble of simulations made with the same model and external forcing. The skill of predicting and simulating the spatial structure of the modes is...
Top fields of study
Climate model
Atmospheric sciences