Wenjie Dong

Wenjie Dong
Sun Yat-Sen University | SYSU · School of Atmospheric Science

Prof.

About

356
Publications
76,145
Reads
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6,731
Citations
Introduction
Additional affiliations
December 2015 - July 2016
Sun Yat-Sen University
Position
  • Head of Faculty
March 2008 - present
Beijing Normal University
Position
  • Managing Director
Description
  • Earth System Model developing and using
May 2003 - May 2008
China Meteorological Administration
Position
  • Director General
Description
  • climate prediction and monitoring

Publications

Publications (356)
Article
Full-text available
Extreme East Asian summer monsoon (EASM) rainfall frequently induces floods that threaten millions of people, and has been generally attributed to internal climate variability. In contrast to the hydrological weakening theory of volcanic eruptions, here we present convergent empirical and modeling evidence for significant intensification of EASM ra...
Article
Full-text available
Many of the observed changes of the climate system since the 1950s are unprecedented, and there is a high level of confidence in the conclusion that greenhouse gases (GHGs) have caused a substantial part of the observed global warming. In the meantime, we need to consider model errors, which are usually accumulated in long-term integration as a res...
Article
Full-text available
Relative contributions of greenhouse gases (GHGs) concentration and land use/cover (LULC) change induced by urbanization on future temperature over the Guangdong-Hong Kong-Macao Greater Bay Area in China under different climate scenarios are investigated in this study. The Weather Research and Forecasting model is used to downscale the future mean...
Article
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Atmospheric diabatic heating, a major driving force of atmospheric circulation over the tropics, is strongly confined to the tropical western North Pacific (TWNP) region, with the global warmest sea surface temperature (SST). The changes in diabatic heating over the TWNP, which exert great impacts on the global climate system, have recently exhibit...
Preprint
The diversification or decoupling of production chains from China to alternative Asian countries such as India or Indonesia would impact the spatial distribution of anthropogenic emissions, with corresponding economic impacts due to mortality associated with particulate matter exposure. We evaluated these changes using the Community Earth System Mo...
Article
Full-text available
Climatological intraseasonal oscillation (CISO), as phase-locking of transient intraseasonal oscillation (ISO) to the annual cycle, is an important seasonal evolution of the Asian summer monsoon (ASM). We identified six CISO centers related to the ASM onset: the wet CISO begins from the central-to-eastern equatorial Indian Ocean (CIO) around pentad...
Article
Full-text available
Plain Language Summary Aerosols can be transported by strong westerlies across the North Pacific and reach North America all year around. These transported aerosol particles have been found to interact with the North Pacific atmospheric rivers (ARs). Generally, the aerosol particles from long‐range transport can influence ice nucleation in mid‐leve...
Article
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Using hindcast and forecast data from advanced prediction systems of NCEP CFSv2 and JMA/MRI CPSv2 for the winter 1982/1983–2017/2018, this study investigates the predictability of the climatology and dominant modes of winter-mean surface air temperature (SAT) over East Asia. Although the simulated climatological mean SAT has a large bias over most...
Article
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Air pollution is a severe environmental problem in the Indian subcontinent. Largely caused by the rapid growth of the population, industrialization, and urbanization, air pollution can adversely affect human health and environment. To mitigate such adverse impacts, the Indian government launched the National Clean Air Programme (NCAP) in January 20...
Article
Full-text available
Global surface temperature observational datasets are the basis of global warming studies. In the context of increasing global warming and frequent extreme events, it is essential to improve the coverage and reduce the uncertainty in global surface temperature datasets. The China global Merged Surface Temperature Interim version (CMST-Interim) is u...
Article
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Global warming exhibits distinct differences at continental scales, yet whether models capture these differences is unclear. Here, we show that Coupled Model Intercomparison Project Phase 6 climate models underestimate warming unevenness for China and the United States, possibly leading to a biased estimation of anthropogenic influence on warming...
Article
Full-text available
Accurate prediction of global land monsoon rainfall on a sub-seasonal (2–8 weeks) time scale has become a worldwide demand. Current forecasts of weekly-mean rainfall in most monsoon regions, however, have limited skills beyond two weeks, calling for a more profound understanding of monsoon intraseasonal variability (ISV). We show that the high-freq...
Article
Full-text available
Significance The Indian Ocean Dipole (IOD), an air–sea coupled phenomenon over the tropical Indian Ocean, has substantial impacts on the climate, ecosystems, and society. Due to the winter predictability barrier, however, a reliable prediction of the IOD has been limited to 3 or 4 mo in advance. Our work approaches this problem from a new data-driv...
Article
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The record-breaking mei-yu rainfall amount of 2020 around the Yangtze River decreased by approximately 9.2%–14.1% due to the post-1980 regional climate change in Asia.
Article
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Plain Language Summary East Asian summer monsoon precipitation exhibits significant fluctuations on a 2–5‐week time scale beyond the synoptic scale. These fluctuations are called intraseasonal variability (ISV). Since East Asia is located in between the largest continent (Eurasia) and the largest ocean (the Pacific), its ISV is affected by the sout...
Article
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Biomass burning aerosols (BBA) emitted from Southeast Asia in boreal spring can alter the regional climate via their strong radiative effect. In this study, we have examined the radiative impacts of BBA on the atmospheric circulation and rainfall during the emission season (April–May) using the Weather Research and Forecasting model with chemistry...
Article
Full-text available
Northeast China (NEC) is located between the subtropical monsoon and temperate-frigid monsoon regions and exhibits two successive rainy seasons with different natures: the northeast cold vortex rainy season in early summer (May–June) and the monsoon rainy season in late summer (July–August). Summer rainfall over NEC (NECR) has a fundamental influen...
Article
Full-text available
In this study, the effects of land use/cover (LULC) change induced by urbanization and greenhouse gases (GHGs) concentration on future climate over the Beijing–Tianjin–Hebei region in China under Representative Concentration Pathways 4.5 (RCP4.5) scenario are investigated. The Weather Research and Forecasting model is used to downscale and predict...
Article
Full-text available
Reanalysis data is widely used to investigate long-term surface temperature changes due to insufficient spatial coverage of observational data. However, because of the limitations of data assimilation and model performance in the reanalysis datasets, it is essential to evaluate the quality of the reanalysis datasets. Based on the newly released ver...
Preprint
Full-text available
Global surface temperature observational datasets are the basis of global warming studies. In the context of increasing global warming and frequent extreme events, it is essential to improve the coverage and reduce the uncertainty of global surface temperature datasets. The China global Merged Surface Temperature Interim version (CMST-Interim) is u...
Article
Full-text available
Southwest China (SWC) is located in the transition zone affected by the East Asia summer monsoons, India monsoon, and the Tibetan Plateau thermal activity. SWC is also an important hub for water vapor transport in the Asia–Pacific (AP) region. Here we study the dynamical and spatiotemporal characteristics of extreme rainfall events in AP by a synch...
Article
Full-text available
In the context of global climate change and urban expansion, extreme urban weather events occur frequently and cause significant social problems and economic losses. To study the climate risks associated with rapid urbanization in the global context of climate change, the vulnerability degree of urban agglomeration is constructed by the Grey Model...
Preprint
Full-text available
Extreme East Asian summer monsoon (EASM) rainfall frequently induces floods that pose threats to millions of people across East Asia. The intensified EASM rainfall has been generally attributed to internal modes of climate variability, while external volcanic forcing has been suggested to suppress the EASM. In contrast to the hydrological weakening...
Article
Full-text available
The reversibility of a wide range of components of the earth system was investigated by comparing forward and time-reversed historical and future simulations of a coupled earth system model known as the Beijing Normal University earth system model. Many characteristics of the climate system, including the surface temperature, ocean heat content (OH...
Article
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Abstract Previous studies show that the environment in the Guangdong, Hong Kong, and Macao region (GHMR) is under the double stress of global warming and urbanization. Here we show that due to the increase of regional greenness, the effect of urbanization warming on surface air temperature (SAT) decreased with time and became statistically insignif...
Article
Full-text available
The western North Pacific (WNP) intraseasonal oscillation (ISO) is the strongest over the globe, its prediction is the cornerstone for subseasonal prediction of the Asian summer monsoon. Yet, our understanding of the diversity of the WNP ISO is limited, which challenges our modeling and prediction efforts. We study the diversity of observed WNP ISO...
Article
Full-text available
Based on four reanalyses or gridded data sets (ERA5, 20CR, APHRODITE and REGEN), we provide an overview of 23 Historical and 7 HighResMIP experiments’ performance from the Coupled Model Intercomparison Project Phase 6 (CMIP6) (for short, 6-Hist, HighRes) in simulating seven extreme precipitation indices over Asia defined by the Expert Team on Clima...
Article
The Tibetan Plateau (TP) plays a complicated impact on summer extreme precipitation in downstream areas like Yangtze Plain, and the convection-permitting modeling (CPM) over the TP has obvious added value for regional climate simulation. This study investigates whether the CPM over the TP can improve the simulation of a typical extreme Meiyu rainfa...
Article
The China–US trade conflict will inevitably have a negative impact on China’s trade imports and exports, industrial development, and economic growth, and will affect the achievement of climate change goals. In the short term, the impact of the trade conflict on China’s import and export trade will cause the carbon emissions contained in traded comm...
Article
Full-text available
Aerosol pollution is an acute environmental issue in developing countries. Asia has been experiencing rapid changes in anthropogenic aerosols during the past two decades due to fast growth in population and economy. It is still an open question how aerosol loadings, represented by aerosol optical depth (AOD), have evolved in this century, particula...
Preprint
Full-text available
Accurate prediction of global land monsoon rainfall on a subseasonal (2-8 weeks) time scale has become a worldwide demand. Current forecasts of weekly-mean rainfall in most monsoon regions, however, have limited skills beyond two weeks. Given that two-thirds of the world’s population lives in the monsoon regions, this challenge calls for a more pro...
Preprint
Accurate prediction of global land monsoon rainfall on a sub-seasonal (2-8 weeks) time scale has become a worldwide demand. Current forecasts of weekly-mean rainfall in most monsoon regions, however, have limited skills beyond two weeks, calling for a more profound understanding of monsoon intraseasonal variability (ISV). We show that the high-freq...
Article
Full-text available
Lightning flash rate is strongly influenced by cloud microphysics, such as cloud ice properties, but this relationship is poorly constrained. Here we analyze 20 years of satellite-derived lightning flash rate data and cloud water data from the ERA-Interim reanalysis above continental and ocean regions at a global scale. We find a robust modified ga...
Article
Full-text available
Air pollution in North China (NC) is an important issue affecting the economy and health. In this study, we used a regional climate model, the Weather Research and Forecasting Model with Chemistry (WRF-Chem) to project air pollution in NC and investigate the variations of air pollutions response to future climate changes, which probably has an impl...
Article
Full-text available
Climate extremes can severely impact socio-economic development. Climate trends of three temperature and three precipitation climate indices were evaluated in observational data, 23 models from the 5th Coupled Model Intercomparison Projects (CMIP5), and 20 models from CMIP6. The climate indices were calculated over the whole of China, and individua...
Article
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Quantitatively projecting the impact of future climate change on the socio-economy and exploring its internal mechanism are of great practical significance to adapt to climate change and prevent climate risks. Based on the economy-climate (C-D-C) model, this paper introduces a yield impact of climate change (YICC) model that can quantitatively proj...
Article
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In this study, we evaluated the performance of an air pollution forecasting system during a scientific cruise in the South China Sea (SCS) from 9 August to 7 September 2016. The air pollution forecasting system consisted of a Lagrangian transport and dispersion model, the flexible particle dispersion model (FLEXPART), coupled with a high-resolution...
Preprint
Full-text available
Northeast China (NEC) is located between the subtropical monsoon and temperate-frigid monsoon regions and exhibits two successive rainy seasons with different natures: the northeast cold vortex rainy season in early summer (May–June) and the monsoon rainy season in late summer (July–August). Summer rainfall over NEC (NECR) has a fundamental influen...
Article
In this study, the temporal variation of actual evapotranspiration (AE) over China during 1980–2015 is analyzed based on an ensemble of six reanalyses and a complementary‐relationship‐based AE dataset. The results reveal that annual mean AE in China increases significantly, and the major regime shift occurred around 1998. Accordingly, long‐term mea...
Article
Full-text available
Historical snow cover over the Northern Hemisphere was examined in the satellite-based NOAA-CDR data for the period of 1970-2019. Observed annual snow cover fraction (SNF) has reduced over most areas by up to 2%/decade, while annual snow cover area (SCA) has reduced by 2 105 km2/decade. However, SCA in the October-December season has increased by a...
Article
Full-text available
A socio‐economic crisis was added to the Intergovernmental Panel on Climate Change (IPCC) Representative Concentration Pathway 8.5 (RCP8.5) scenario. This idealized climate scenario was simulated using the Community Earth System Model version 1.2.2 to determine the transient climate response to a two‐year reduction of anthropogenic emissions. Globa...
Article
Full-text available
The record-long 2020 Meiyu season since 1961 caused severe floods over the Yangtze and Huaihe River valleys (YHRV). Why the Meiyu duration doubled in 2020 remains a puzzle. We show that the long-lasting Meiyu can be divided into three stages: advanced-onset, strong-persisting, and delayed�withdrawal. The advanced-onset was associated with an extr...
Preprint
Full-text available
Many of the observed changes of the climate system since the 1950s are unprecedented, and there is a high level of confidence in the conclusion that greenhouse gases (GHGs) caused a substantial part of the observed global warming. We need to consider the model errors, that usually accumulate in long-term integration as a result of imperfect physica...
Article
Full-text available
According to the characteristics of forced and unforced components to climate change, sophisticated statistical models were used to fit and separate multiple scale variations in the Global Mean Surface Temperature (GMST) series. These include a combined model of the Multiple Linear Regression (MLR) and Autoregressive Integrated Moving Average (ARIM...
Article
Full-text available
When assessing the socio-economic impacts of climate change, it is sensible to make targeted climate projections for regions of high population density and economy activity. Much of human activity is concentrated at river basins, yet it has been difficult to resolve the complex boundaries of these basins in coarse resolution global climate models....
Article
Full-text available
Plain Language Summary A series of phenomena such as early flowering of plants and early migratory birds are suggesting that the traditional four seasons may have changed. We focus on how the four seasons changed during 1952–2011 and will change by the end of this century in the warming Northern Hemisphere midlatitudes. We find that lengths and sta...
Article
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To forecast the terrestrial carbon cycle and monitor food security, vegetation growth must be accurately predicted; however, current process-based ecosystem and crop-growth models are limited in their effectiveness. This study developed a machine learning model using the extreme gradient boosting method to predict vegetation growth throughout the g...