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ISSN: 1674-2834
e-ISSN: 2376-6123

Predominant types of regional cold waves in North China and their historical changes

Cold wave (CW) events in East Asia have a significant impact on the social economy, ecosystems, and human health. Based on daily CW records from October to March during 1980–2019 and K-means clustering,...

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Atlantic blocking events in a simplified nonlinear baroclinic model for local finite-amplitude wave activity

To better understand the mechanisms underlying the formation of blocking highs over the North Atlantic as a type of large-amplitude disturbance, this paper reports results from numerical experiments...

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Classification analysis of prediction skill among ensemble members in MJO subseasonal predictions—based on the results of the CAMS-CSM subseasonal prediction system

Given the inherent imperfections in models and the inevitability of initial condition errors, subseasonal prediction ability faces ongoing limitations. Most international numerical models employ ensemble...

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Seasonal constraint of dynamic water temperature on riverine dissolved inorganic nitrogen transport in land surface modeling

Riverine dissolved inorganic nitrogen (DIN) transport plays an important role in the link between terrestrial and marine ecosystems, while the seasonal changes of water temperature exert a strong control...

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Climatic drivers of the Canadian wildfire episode in 2023

Extreme wildfires broke out in Canada from May 2023 and persisted four months. Tremendous fire emissions posed significant impacts on the air quality in both local and downwind regions. Here, the authors...

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Interdecadal changes in the frequency of winter extreme cold events in North China during 1989–2021

How extreme weather and climate events change is an intriguing issue under global warming. By investigating the frequency of extreme cold events (Frexces) in winter over North China (NC), this paper...

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Response of warm season secondary pollutants to emissions and meteorology in the North China Plain region during 2018–2022

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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Comparative study on the performance of ConvLSTM and ConvGRU in classification problems—taking early warning of short-duration heavy rainfall as an example

Convolutional long short-term memory (ConvLSTM) and convolutional gated recurrent unit (ConvGRU) are two widely adopted deep learning models that combine recurrent mechanisms with convolutional operations...

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Comparison of tropical cyclone thermal structures derived from ATMS and synthetic AMSU-A/MHS

The warm core of a tropical cyclone (TC) reflects its intensity and evolution. In the past, microwave sounding data have been widely used for detecting the TC warm core. However, the observed magnitude...

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Interdecadal change and projection of the relationship between spring Arctic Oscillation and summer precipitation in the Yangtze River valley in CMIP6 models

This paper assesses the performance of 20 CMIP6 models in simulating the relationship between spring Arctic Oscillation (AO) and summer precipitation in the Yangtze River valley (YRP) over the period...

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Clarifying the relationship between PM2.5 and ozone complex pollution and synoptic patterns in a typical petrochemical city in the Bohai Rim region of China: Implications for air pollution forecasting and control

Meteorological conditions are vital to PM2.5 and ozone (O3) complex pollution. Herein, the T-mode principal component analysis method was employed to objectively classify the 925-hPa geopotential height...

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Interdecadal variability of summer precipitation in the Three River Source Region: Influences of SST and zonal shifts of the East Asian subtropical westerly jet

Summer precipitation in the Three Rivers Source Region (TRSR) of China is vital for the headwaters of the Yellow, Yangtze, and Lancang rivers and exhibits significant interdecadal variability. This...

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Future changes in precipitation and water availability over the Tibetan Plateau projected by CMIP6 models constrained by climate sensitivity

Precipitation projections over the Tibetan Plateau (TP) show diversity among existing studies, partly due to model uncertainty. How to develop a reliable projection remains inconclusive. Here, based...

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Variation in the permafrost active layer over the Tibetan Plateau during 1980–2020

The active layer, acting as an intermediary of water and heat exchange between permafrost and atmosphere, greatly influences biogeochemical cycles in permafrost areas and is notably sensitive to climate...

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Prediction of net primary productivity in the middle-to-high latitudes of Eurasia based on snow and soil temperature

Net primary productivity (NPP) is the net accumulation of organic matter by vegetation through photosynthesis and serves as a key indicator for exploring vegetation responses to climate change. Considering...

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Significant contributions of the petroleum industry to volatile organic compounds and ozone pollution: Insights from year-long observations in the Yellow River Delta

The petroleum industry is a significant source of anthropogenic volatile organic compounds (VOCs), but up to now, its exact impact on urban VOCs and ozone (O3) remains unclear. This study conducted...

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Numerical simulation of size contraction of Typhoon Cempaka (2021)

In 2021, Cempaka, a tiny tropical cyclone, made landfall in China. As the TC intensified prior to landfall, the tropical cyclone size measured with precipitation decreased significantly. A numerical...

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Projection of extreme climate change in the Asian arid region and the Tibetan Plateau in the early and middle 21st century based on NEX-GDDP-CMIP6

In the context of global warming, it is anticipated that both the intensity and the frequency of future global extreme high precipitation (EHP) and extreme high temperature (EHT) events will increase....

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Evaluation of the simulation performance of WRF-Solar for a summer month in China using ground observation network data

Solar energy is a pivotal clean energy source in the transition to carbon neutrality from fossil fuels. However, the intermittent and stochastic characteristics of solar radiation pose challenges for...

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The asymmetry of air temperature: A new potential method to predict precipitation frequency

There is a significant bias in the precipitation frequency (PF) obtained from numerical model simulations. In this study, the authors use the temperature asymmetry (TA) as an indirect indicator to predict...

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Analyzing uncertainty and constraining projections for future vegetation in mid-to-high-latitude Asia

Mid-to-high-latitude Asia (MHA) is one of the regions most impacted by global warming and is highly vulnerable to the effects of climate change on its ecosystems. The future vegetation changes in this...

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A rapid assessment of MWRI-RM/FY3G brightness temperature

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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Global trends of tropopause folds in recent decades

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

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

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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