A rapid assessment of MWRI-RM/FY3G brightness temperature
May 2024
The Microwave Radiation Imager for the Rainfall Mission (MWRI-RM) onboard the FengYun 3G satellite (FY3G), launched in April 2023, will provide massive brightness temperature (Tb) measurements at 17...
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Revisiting East Asian monsoon change during the Last Glacial Maximum using PMIP4 simulations
May 2024
The Last Glacial Maximum (LGM; 21 000 years ago) East Asian monsoon was revisited using all available simulations performed by the latest generation of climate models participating in phase 4 of the...
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Global trends of tropopause folds in recent decades
May 2024
Tropopause folds represent a primary mechanism for stratosphere-troposphere exchange. This study employs a 3D labeling method with ERA5 reanalysis data spanning from 1979 to 2020 to elucidate the spatiotemporal...
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Interdecadal changes in the western Siberian summer mean and extreme rainfall during 1982–2021
May 2024
Siberia, neighboring the Arctic Ocean, has a cold and dry climate. The famous Siberian forest, Taiga, has been greening in recent decades, mainly driven by climate factors. Besides the warming trend,...
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A teleconnection pattern of upper-tropospheric circulation anomalies over the Eurasian continent associated with the interannual variability of atmospheric convection over the tropical western North Pacific in July
May 2024
It has been well documented that the interannual variation of atmospheric convection over the tropical western North pacific (WNP) affects the East Asian climate in summer significantly, and can be...
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Comparison of ERA5 turbulent fluxes at the air–sea interface with measurements from a wave‐following platform
May 2024
Turbulent fluxes at the air–sea interface were estimated with data collected in 2011–2020 with a low‐profile platform named OCARINA during eight experiments in five regions: 2011, 2015, and 2016 in...
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Understanding the factors influencing cloud-core vertical accelerations during deep convection formation in the WRF model
May 2024
By introducing a linear diagnostic equation to compute perturbation pressure, the vertical momentum equation of the WRF model in the η coordinate is rederived, which constructs a direct relationship...
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Future changes in compound drought events and associated population and GDP exposure in China based on CMIP6
May 2024
Compound drought events, in which several types of drought occur at the same time, usually causes more harm to human society than just one type of drought event on its own. In this study, skill scoring...
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Evaluation of CMIP6 model performance in simulating the PDO and its future change
May 2024
This study comprehensively assesses the model performance in simulating the variation of the Pacific Decadal Oscillation (PDO) in the winter time (November to March) during the historical period of...
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Construction and characteristic analysis of background error covariance coupled with land surface temperature
Available online 30 April 2024
Land surface temperature (LST) is the key variable in land–atmosphere interaction, having an important impact on weather and climate forecasting. However, achieving consistent analysis of LST and the...
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Variation in the surface heat flux on the north and south slopes of Mount Qomolangma
Available online 29 April 2024
The distinctive conditions present on the north and south slopes of Mount Qomolangma, along with the intricate variations in the underlying surfaces, result in notable variations in the surface energy...
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Satellite remote sensing reveals overwhelming recovery of forest from disturbances in Asia
Available online 25 April 2024
Forest ecosystems play key roles in mitigating human-induced climate change through enhanced carbon uptake; however, frequently occurring climate extremes and human activities have considerably threatened...
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Physical characteristics of convective and non-convective cirrus clouds from CALIPSO data over the South China Sea
Available online 23 April 2024
Studying the characteristics and mechanisms of convective and non-convective cirrus clouds over the South China Sea is vital for their impact on regional climate dynamics, and enhancing predictive models...
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Optimizing the key parameter to accelerate the recovery of AMOC under a rapid increase of greenhouse gas forcing
Available online 21 April 2024
Atlantic Meridional Overturning Circulation (AMOC) plays a central role in long-term climate variations through its heat and freshwater transports, which can collapse under a rapid increase of greenhouse...
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Increase in the variability of terrestrial carbon uptake in response to enhanced future ENSO modulation
Available online 19 April 2024
El Niño–Southern Oscillation (ENSO) is a major driver of climate change in middle and low latitudes and thus strongly influences the terrestrial carbon cycle through land–air interaction. Both the ENSO...
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Application of the improved dung beetle optimizer, muti-head attention and hybrid deep learning algorithms to groundwater depth prediction in the Ningxia area, China
Available online 16 April 2024
Due to the lack of accurate data and complex parameterization, the prediction of groundwater depth is a challenge for numerical models. Machine learning can effectively solve this issue and has been...
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Impact of ocean data assimilation on the seasonal forecast of the 2014/15 marine heatwave in the Northeast Pacific Ocean
Available online 16 April 2024
A remarkable marine heatwave, known as the “Blob”, occurred in the Northeast Pacific Ocean from late 2013 to early 2016, which displayed strong warm anomalies extending from the surface to a depth of...
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Impacts of the annual cycle of background SST in the tropical Pacific on the phase and amplitude of ENSO
Available online 16 April 2024
The dominant annual cycle of sea surface temperature (SST) in the tropical Pacific exhibits an antisymmetric mode, which explains 83.4% total variance, and serves as a background of El Niño–Southern...
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A study on the simulation of carbon and water fluxes of Dangxiong alpine meadow and its response to climate change
Available online 15 April 2024
全球气候变化对青藏高原生态系统产生了深远影响, 暖湿化背景下青藏高原植被碳,水通量变化趋势值得关注.高寒草甸是青藏高原最主要的植被类型之一, 为理解青藏高原当雄地区高寒草甸生态系统碳,水通量,水分利用效率及其对未来气候变化的响应, 本研究利用PEST和DDS两种参数率定方法优化Biome-BGC模型, 进而模拟2000-2019年当雄站的总初级生产力 (GPP) 和蒸散量 (ET) .研究结果表明:DDS参数率定方法具有更优的性能.GPP和ET在研究时段内呈上升趋势,...
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Arctic sea-ice extent: No record minimum in 2023 or recent years
Available online 13 April 2024
Arctic sea-ice extent reaches its minimum each year in September. On 11 September 2023 the minimum was 4.969 million square kilometers (mill.km2). This was not a record low, which occurred in 2012,...
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Response of warm season secondary pollutants to emissions and meteorology in the North China Plain region during 2018–2022
Available online 2 April 2024
Air quality in China has continued to improve since 2013, although severe pollution events still occur over the North China Plain (NCP). It is noticeable that contributions from secondary pollutants...
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Pollution characteristics of peroxyacetyl nitrate in karst areas in Southwest China
March 2024
In recent years, the issue of photochemical pollution in the Guangxi region of China has escalated considerably. However, there remains a notable dearth of related research in this area. Peroxyacetyl...
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Enhanced rainfall in North China in July 2021: Role of the North Pacific SST gradient
March 2024
The rainfall over North China (NC) in July 2021 was the most since 1980, and coincided with a meridional gradient of sea surface temperature anomaly (MGSSTA) in the Pacific. The present study shows...
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Impacts of monsoon break events in the western North Pacific on the cross-equatorial flows over the Maritime Continent
March 2024
This study examines the possible impacts of western North Pacific (WNP) monsoon break events on the cross-equatorial flows (CEFs) over the Maritime Continent using daily data from ERA5 for 1979–2020....
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Trend in seasonal amplitude of northern net ecosystem production: Simulated results from IAP DGVM in CAS-ESM2
March 2024
Net ecosystem production (NEP) over northern latitudes has an obvious seasonal variation, which dominantly drives the seasonal variation in atmospheric CO2. Investigating these carbon processes and...
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