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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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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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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A maximum sea surface salinity tongue in the North Brazil continental shelf
Available online 31 May 2024
The variability of the sea surface salinity measurements provided by the Soil Moisture and Ocean Salinity mission reveals the presence of a local salinity maximum (a salty tongue) in the northwestern...
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Improving subseasonal forecasting of East Asian monsoon precipitation with deep learning
Available online 28 May 2024
Accurate subseasonal forecasting of East Asian summer monsoon (EASM) precipitation is crucial, as it directly impacts the livelihoods of billions. However, the prediction skill of state-of-the-art subseasonal-to-seasonal...
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State of China's climate in 2023
Available online 28 May 2024
China witnessed a warm and dry climate in 2023. The annual surface air temperature reached a new high of 10.71°C, with the hottest autumn and the second hottest summer since 1961. Meanwhile, the annual...
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Upper-ocean cooling rate of the South China Sea in response to extreme cold surges and weak cold-air invasions
Available online 23 May 2024
Cold-surge events can lead to temperature drops and strong winds, which then leads to upper-ocean cooling and deepening of the mixed-layer depth, as illustrated in previous studies. In this study, based...
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Effects of ocean wave spectra on the polarized bidirectional reflectance distribution function matrix at Ku‐band and its implications on satellite backscattering simulations
Available online 23 May 2024
A polarized bidirectional reflectance distribution function (pBRDF) matrix is developed from two-scale roughness theory with the aim of providing more accurate simulations of microwave emissions and...
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Vertical distributions of VOCs in the Tibetan Plateau background region
Available online 17 May 2024
Exploring the vertical variation in volatile organic compounds (VOCs) in background regions can provide information on the spatial distribution of pollutants, providing a scientific basis for atmospheric...
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Long-term variations of the solar energy in different subregions of Northwest China and associated mechanisms
Available online 14 May 2024
As a type of clean and pollution-free energy source, solar energy plays an important role in achieving the goals of carbon neutrality and global sustainable development. Northwest China occupies an...
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Trends of surface ozone based on hourly concentrations in the Beijing–Tianjin–Hebei region during 2017–2021
Available online 13 May 2024
As a typical secondary air pollutant, surface ozone has been monitored routinely since 2013 in China. Most studies on the spatiotemporal variation of ozone have been centered around the daily maximum...
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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
大西洋经向翻转环流(Atlantic Meridional Overturning Circulation, AMOC)通过其经向的热量和水团输送, 在气候变化中起着关键作用. 然而, 气候模式模拟未来AMOC在温室气体强迫下的变化存在较大不确定性. 模式参数的不确定性是导致AMOC产生不确定性的主要因素之一. 因此, 本文采用简化的海气耦合模式首先探寻出模式中AMOC的最敏感参数为淡水通量系数(Freshwater...
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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) ....
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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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