Researchers analyzed TanSat and Copernicus Sentinel-5 Precursor mission data to identify human-caused CO2 emission signatures. The study found that TanSat's measurements can capture anthropogenic variations in the plume with spatial patterns similar to other observations.
The energy of North Atlantic Tropical cyclones comes from ocean heat content, with peak intensities related to extratropical North Atlantic heat. Coastal upwelling affects subsurface ocean temperatures, correlating with TC peak intensity on an interdecadal timescale.
Researchers at Institute of Atmospheric Physics, Chinese Academy of Sciences, predict a third-year La Niña event, the first since 1998-2001. This event may bring intense cold surges in Eurasia and more extreme weather patterns.
A comprehensive review of ocean warming reveals that global ocean heat content has increased by over 90% since the 1950s. The study predicts that if greenhouse gas emissions are not reduced, ocean warming will continue to accelerate, leading to more intense storms, droughts, and sea-level rise.
A new study by Prof. Zhe-Min Tan and colleagues improves typhoon intensity forecasts using a regional ensemble Kalman filter, producing more accurate results than global models for short forecast lead times. The regional forecasts show better performance in predicting typhoon intensity, especially with higher spatial resolution.
A recent study investigated the effects of climate change on wheat yields in North America, revealing that new and old varieties respond differently to rising temperatures. The research found a declining rate of improvement in both winter and spring wheat yields with increased warming.
Researchers observed a short-term 'seesaw' phenomenon in haze pollution over the North China Plain, with periods of high pollution followed by low haze levels. The study suggests that sudden changes in atmospheric movement linked to abnormal sea surface temperatures are responsible for this behavior.
Researchers find that midwinter suppression in the North Pacific is driven by differences in upper- and lower-level eddy growth properties. The study reveals that upper-level eddies are more complex, with growth suppressed during cold season, but near-jet exit can grow normally.
Researchers studied cloud responses to quadrupled CO2 over East Asia, finding that slow cloud responses can cause cooling effects in certain regions. The study suggests that understanding these changes is crucial for predicting future climate effects.
A recent study published in Advances in Atmospheric Sciences identifies compensating errors in widely used climate model protocols, known as CMIP6. The researchers analyzed five CMIP6 models and found large uncertainties in cloud microphysical properties, including cloud fraction, liquid water path, and droplet effective radius.
Researchers conducted the Earth Summit Mission 2022 to investigate the interaction mechanisms between westerlies and monsoonal flow near Mt. Qomolangma. They discovered strong glacial wind and vertical momentum exchange between large-scale westerlies and boundary layer in the region.
Researchers from the Institute of Atmospheric Physics develop a correction method for Nansen cast temperature profiles, addressing a depth bias affecting global ocean warming assessments. The new approach has significant implications for understanding ocean warming rates and achieving better climate understanding.
A new statistical modeling approach helps analyze teleconnections' impact on seasonal rainfall variability in southern Africa. The study aims to improve climate modeling by gaining a better understanding of climate processes on synoptic and global scales.
Scientists have found that complex terrain enhances secondary haze formation by blocking pollutants and accelerating chemical transformation. This leads to a positive feedback loop where thick haze aloft intensifies interactions between aerosols and the planetary boundary layer, exacerbating pollution in mountainous areas.
Researchers found that climate change has increased the likelihood of flash droughts in southeastern China by 93% in onset speed and 18% in intensity. The study's findings suggest that future flash droughts will be more frequent and severe, making drought adaptation increasingly challenging.
Researchers identified a previously unidentified major shift in atmospheric flows from the North Atlantic as a result of a weakening jet stream. This shift has led to incorrect climate predictions for spring rainfall over northeast China, which is vital for the country's food security and the world's ability to feed itself.
A powerful Mongolian cyclone developed into a typhoon-strength storm due to favorable topography and low-frequency circulation conditions. The study found that the downward transfer of eddy kinetic energy played a key role in strengthening the cyclone.
Researchers discovered a new perspective on the tropical cyclone size-intensity relationship, finding that latitude and environmental vertical wind shear are primary influences. This reexamination sheds light on the physical mechanisms underlying coordinated changes within TCs, enabling better warning systems.
Researchers analyzed data from Ka-band radar and satellite observations to study the effects of cloud seeding on mixed convective-stratiform clouds. The study found that the convective region responds with larger precipitation particles, while the stratiform region experiences icing seeding tracks due to faster ice crystal formation.
A recent study found that greenhouse gases are the primary reason for increased temperatures and will likely continue to be the main contributing factor. Simulations show that extreme heatwave events will increase by over 30 percentage points in coming years, primarily due to human-caused emissions.
The Three Gorges region experienced frequent climate extremes in 2021, including abundant rainfall and record-breaking extreme weather events. The study highlights the importance of monitoring climate anomalies and improving observations to better understand their impact on the region.
A machine-learning model improved the simulation of European heatwave frequency by analyzing climate factors, with sea surface temperature contributing most to predictions. The model found that previous winter climate factors provided the best simulation results.
The Tibetan Plateau, known as the Third Pole, is vulnerable to climate change with extensive glacier retreat. Researchers analyzed observational and modeling data to understand its role in Asia's climate and global climate.
A new 3D comprehensive observation network has been successfully established over the Tibetan Plateau, covering various landscapes and devices. The network aims to understand climate change impacts by monitoring water cycle intensity and variation.
Climate scientists argue that climate actions need to be established at multiple time scales, with a focus on slow emerging changes such as deep ocean warming and sea-level rise. This requires the development of a system of scientific ocean monitoring with a time-scale in mind, considering risks like abrupt slowdowns of ocean circulation.
The study uses a global climate system model to simulate large ensemble experiments, which capture internal variabilities' impact on surface air temperature and land precipitation. The research helps improve understanding of forced climate changes and provides guidance for policymakers.
Long-term measurements at Mount Heng in southern China found acidic and more soluble ions in freezing rain, leading to decreased ambient temperatures. This process prolongs the existence of freezing rain, amplifying its effects in northern China as global warming shifts its influencing area
A study published in Atmospheric and Oceanic Science Letters found that tropical thunderstorms may influence the occurrence of persistent extreme cold events in Northeast China. Cloud clusters from the Madden-Julian oscillation can trigger cooling over the region, leading to extended periods of below-−30°C temperatures.
Researchers found a tripole winter precipitation change pattern in the late 1990s around the Tibetan Plateau, affecting eastern India, southern China, and northern regions. This pattern was triggered by changes in tropical Pacific SSTs and influenced by regional circulation patterns.
New research reveals that low model horizontal resolution leads to discrepancies in simulated surface heat fluxes over the North Atlantic. Increasing resolution improves surface heat flux simulations and inferred heat transport, helping the research community better interpret historical simulations and projections.
In 2021, China experienced a new temperature high of 10.5℃, breaking the historical record since 1951. Annual precipitation was 672.1 mm, 6.7% above normal, with severe consequences including torrential rain, autumn floods, and heat waves. Despite some economic losses, crop area and human fatalities decreased significantly.
The study found different isotopic compositions of water in continental and coastal areas, with varying seasonal patterns. Daily measurements revealed the influence of moisture source, transport, and convective activity on rainfall type, providing insights into regional atmospheric controls.
A study found that climatic conditions during the extreme 2021 spring drought in SWC were distinct from similar historical events. Researchers identified atmospheric internal variability and a warming trend as key drivers of the drought, with high temperatures contributing significantly to its severity.
Researchers investigated the impact of seasonal variations in methanogenic and methanotrophic communities on CH4 emissions in wetlands. They identified a keystone species that plays a pivotal role in mediating CH4 fluxes, providing substantial evidence for understanding microbial driving mechanisms.
The study highlights a significant difference in warm sea surface temperature (SST) anomalies between the 1997/98 and 2015/16 extreme El Niño seasons. During the 2015/16 event, SST anomalies were modest compared to the 1997/98 event, which saw twice the magnitude of anomalies.
A recent analysis reveals a unprecedented increase in Atlantic tropical cyclones and a decrease in Western North Pacific storms, with greenhouse gas-induced global warming potentially playing a role. The study suggests that climate models need to be evaluated to predict future changes in tropical cyclone numbers between the two basins.
Researchers found that environmental helicity has a profound impact on TC outer-core size, favoring intense convection and large angular momentum. This study suggests dynamic environmental constraints, including helicity, influence TC outer-core size maintenance and change.
Researchers used satellite spectral albedo data to develop a scheme that optimizes albedo parameters at the local level, significantly reducing model albedo overestimation and improving snowfall simulations. This improves the accuracy of water cycle modeling on the Tibetan Plateau.
A study of 2021's extreme weather events in China, the US, Canada, and Europe found a mix of natural and human-caused factors at play. The research highlights the need for real-time climate event attribution systems to better understand and adapt to climate change.
Researchers used vertical sounding data to improve forecasting of Zonda windstorms, a severe weather phenomenon affecting Argentina's agricultural communities. By analyzing atmospheric profiles and applying principal component analysis, they achieved reliable forecasts with up to 24 hours of lead time.
Researchers found stronger westerly jets and wave trains in early summer than late summer, gaining more energy from baroclinic conversion. This has implications for climate prediction and links between East Asia and North America.
A new study finds that Amazon deforestation causes a substantial reduction in evapotranspiration, leading to drier lower atmosphere and severe atmospheric desiccation. The study suggests an emerging transition in the Amazon hydrological cycle, but also highlights the potential for forest conservation to prevent ecosystem collapse.
Researchers found that ocean reanalysis data sets exhibit differing evolutions during El Niño events, particularly as they develop and decay. The disparity among datasets grows with the event's peak phase and lingers even after neutralization.
Research reveals eight patterns of SAM events with distinct zonal asymmetries, including symmetric, split-center, West Antarctica, and tripole patterns. These patterns may help classify and discuss formation causes and climate impacts of different SAM events.
Historical climate model data can now be improved using super-resolution technology, a new analysis tool that enhances older meteorological model data. Researchers have successfully reconstructed high-quality and high-resolution data using this method, which was previously used for image and video upscaling.
Recent studies show that CMIP6 models better simulate the spatial distribution of sea surface salinity and freshwater flux variability associated with ENSO. However, some models still have large uncertainties in simulating interannual variations, requiring further improvement in related physical processes.
Research reveals ENSO's impact on PM2.5 concentrations varies by region, with Beijing-Tianjin-Hebei and Fenwei Plain experiencing higher levels during El Niño years. In contrast, the Pearl River Delta region sees decreased pollution in El Niño relative to La Niña due to enhanced precipitation.
Research reveals strong El Niño events increase near-surface ozone concentrations in southern China due to weakening monsoon winds. Ozone levels also rise in northeastern China during El Niño's developing phase, but not in the 2015/16 event.
Research in Africa identified heatwave hotspot regions linked to urban areas, affecting 36% of Northern Hemisphere and 57% of Southern Hemisphere populations in 2019. Climate change likely contributed to these hotspots, with significant implications for human health, energy consumption, and water security.
The Indochina Peninsula plays a significant role in inducing and maintaining the Asian summer monsoon, with both land-sea thermal contrast and orography contributing to its development. The study found that the orographic effect increases South Asian rainfall while reducing it over other regions, whereas the land-sea contrast has oppos...