Intertropical Convergence Zone
View article: Global Assessment of the Cloud-Aerosol Transition Zone Using CALIPSO
Global Assessment of the Cloud-Aerosol Transition Zone Using CALIPSO Open
The interactions between clouds and aerosols represent one of the largest uncertainties in assessing the Earth’s radiation budget, highlighting the importance of research on the transition zone (TZ) within the cloud-aerosol continuum. This…
View article: Data Sheet 1_Robust circulation changes in the tropics under a warming climate: a topical review.pdf
Data Sheet 1_Robust circulation changes in the tropics under a warming climate: a topical review.pdf Open
Tropical monsoons are crucial atmospheric phenomena that impact more than two-thirds of the global population. Numerous previous studies have investigated changes in tropical circulation under climate change for individual ocean basins. In…
View article: Wet and dry seasons modulate coastal coccolithophore dynamics off South-western Nigeria (Gulf of Guinea)
Wet and dry seasons modulate coastal coccolithophore dynamics off South-western Nigeria (Gulf of Guinea) Open
Coccolithophores are calcifying unicellular phytoplankton at the base of the marine food web, playing a key role in pelagic calcium carbonate production. While their sensitivity to environmental change is well established, their ecological…
View article: The Shifting Meridional Landscape: Asymmetric Intensification and Latitudinal Drift of Atmospheric Circulation Cells Under Climate Change
The Shifting Meridional Landscape: Asymmetric Intensification and Latitudinal Drift of Atmospheric Circulation Cells Under Climate Change Open
This study investigates the impact of climate change on the meridional atmospheric circulation, focusing on the Hadley and Ferrel cells. Utilizing climate model simulations from the Coupled Model Intercomparison Project Phase 6 (CMIP6), we…
View article: The Shifting Meridional Landscape: Asymmetric Intensification and Latitudinal Drift of Atmospheric Circulation Cells Under Climate Change
The Shifting Meridional Landscape: Asymmetric Intensification and Latitudinal Drift of Atmospheric Circulation Cells Under Climate Change Open
This study investigates the impact of climate change on the meridional atmospheric circulation, focusing on the Hadley and Ferrel cells. Utilizing climate model simulations from the Coupled Model Intercomparison Project Phase 6 (CMIP6), we…
View article: CLIMATOLOGY, VARIABILITY, AND LARGE-SCALES INFLUENCE ON RAINY SEASON ONSET AND CESSATION OVER CENTRAL HIGHLANDS AND SOUTHERN VIETNAM DURING 1981–2019
CLIMATOLOGY, VARIABILITY, AND LARGE-SCALES INFLUENCE ON RAINY SEASON ONSET AND CESSATION OVER CENTRAL HIGHLANDS AND SOUTHERN VIETNAM DURING 1981–2019 Open
This study investigates the climatology, variability, and large-scale influences on the onset (RSOD) and cessation (RSCD) of the rainy season across the Central Highlands and Southern Vietnam during 1981–2019, based on daily rainfall data …
View article: The Taurid Swarm Impact Cycle: A Unified Framework for Orbital Dynamics, Mass Budget, and the 2028 Encounter Prediction
The Taurid Swarm Impact Cycle: A Unified Framework for Orbital Dynamics, Mass Budget, and the 2028 Encounter Prediction Open
Description This study presents a comprehensive reassessment of the Taurid Meteoroid Complex (TMC), integrating high-precision N-body orbital simulations, geochemical impact signatures, and paleoclimatic proxies to establish a unified fram…
View article: The Taurid Swarm Impact Cycle: A Unified Framework for Orbital Dynamics, Mass Budget, and the 2028 Encounter Prediction
The Taurid Swarm Impact Cycle: A Unified Framework for Orbital Dynamics, Mass Budget, and the 2028 Encounter Prediction Open
Description This study presents a comprehensive reassessment of the Taurid Meteoroid Complex (TMC), integrating high-precision N-body orbital simulations, geochemical impact signatures, and paleoclimatic proxies to establish a unified fram…
View article: The Taurid Swarm Impact Cycle: A Unified Framework for Orbital Dynamics, Mass Budget, and the 2028 Encounter Prediction
The Taurid Swarm Impact Cycle: A Unified Framework for Orbital Dynamics, Mass Budget, and the 2028 Encounter Prediction Open
Description This study presents a comprehensive reassessment of the Taurid Meteoroid Complex (TMC), integrating high-precision N-body orbital simulations, geochemical impact signatures, and paleoclimatic proxies to establish a unified fram…
View article: Possible effects of anthropogenic and volcanic aerosols on the ITCZ and rainfall over South America
Possible effects of anthropogenic and volcanic aerosols on the ITCZ and rainfall over South America Open
Tropical rainfall variability strongly affects ecosystems, agriculture and food security across South America (e.g. the Amazon, Brazilian breadbasket regions, etc.).It is influenced by mechanisms of ocean-atmospheric modes of variability, …
View article: Marine Heat waves – Multiple Analysis / Definitions (MHW-MAD): A Multi-Definition Global Marine Heatwave Dataset from Satellite Sea Surface Temperature data
Marine Heat waves – Multiple Analysis / Definitions (MHW-MAD): A Multi-Definition Global Marine Heatwave Dataset from Satellite Sea Surface Temperature data Open
Marine heatwaves (MHWs) are prolonged anomalies of warm sea surface temperature (SST) that can disrupt marine ecosystems, physical climate processes, and human coastal activities. MHW definitions vary due to different stakeholders requirem…
View article: Parameterization adaption needed to unlock the benefits of increased resolution for the ITCZ in ICON
Parameterization adaption needed to unlock the benefits of increased resolution for the ITCZ in ICON Open
The double Inter-Tropical Convergence Zone (double-ITCZ) bias has been a persistent tropical precipitation bias over many climate model generations. This motivates investigations of whether increasing resolution and discarding parameteriza…
View article: Teleconnected Tropics and Extratropics: Multimodal Drivers of Global Monsoon Dynamics
Teleconnected Tropics and Extratropics: Multimodal Drivers of Global Monsoon Dynamics Open
Global monsoon systems are fundamental components of the Earth's climate, profoundly impacting water resources, agriculture, and socio-economic well-being for a significant portion of the world's population. Their variability, however, is …
View article: Seasonal and interannual variations in local minimum sea surface temperature and maximum chlorophyll-a around the Savu Sea, Indonesia
Seasonal and interannual variations in local minimum sea surface temperature and maximum chlorophyll-a around the Savu Sea, Indonesia Open
Monsoon winds are the primary drivers of seasonal variability in the Indonesian seas, influencing oceanic conditions, including those in the Savu Sea. Previous studies have documented the upwelling-induced cold sea surface temperature (SST…
View article: Teleconnected Tropics and Extratropics: Multimodal Drivers of Global Monsoon Dynamics
Teleconnected Tropics and Extratropics: Multimodal Drivers of Global Monsoon Dynamics Open
Global monsoon systems are fundamental components of the Earth's climate, profoundly impacting water resources, agriculture, and socio-economic well-being for a significant portion of the world's population. Their variability, however, is …
View article: Long-Term Temperature and Precipitation Trends Across South America, Urban Centers, and Brazilian Biomes
Long-Term Temperature and Precipitation Trends Across South America, Urban Centers, and Brazilian Biomes Open
This study examines long-term trends in maximum (Tmax) and minimum (Tmin) near-surface air temperatures and precipitation across South America, focusing on Brazilian biomes and national capitals, using ERA5 reanalysis data for 1979–2024. T…
View article: BEACH: Barbados and Eastern Atlantic Combined High-altitude dropsonde datasets
BEACH: Barbados and Eastern Atlantic Combined High-altitude dropsonde datasets Open
As part of the ORCESTRA field campaign in August and September 2024, 1191 dropsondes were deployed over the Eastern and Western Atlantic ITCZ from the HALO aircraft coordinated by the PERCUSION and MAESTRO subcampaigns. Here, we describe t…
View article: Daily precipitation ITCZ states for observations, reanalyses, and 25 CMIP6 models for “We need to simulate more northern ITCZs and less southern ITCZs over the east Pacific Ocean in coupled climate models.”
Daily precipitation ITCZ states for observations, reanalyses, and 25 CMIP6 models for “We need to simulate more northern ITCZs and less southern ITCZs over the east Pacific Ocean in coupled climate models.” Open
Tropical precipitation biases have persisted since the very first generations of climate models. These biases are highly sensitive to the region and/or season of interest, with commonalities in the east Pacific and Atlantic Ocean basins, p…
View article: RAPSODI: Radiosonde Atmospheric Profiles from Ship and island platforms during ORCESTRA, collected to Decipher the ITCZ
RAPSODI: Radiosonde Atmospheric Profiles from Ship and island platforms during ORCESTRA, collected to Decipher the ITCZ Open
The RAPSODI (Radiosonde Atmospheric Profiles from Ship and island platforms during ORCESTRA, collected to Decipher the ITCZ) radiosonde dataset was collected during the ORCESTRA field campaign. It is designed to investigate the mechanisms …
View article: Mesopause‐Region Gravity Wave Activity Due To Tropical Convection as Observed by AWE
Mesopause‐Region Gravity Wave Activity Due To Tropical Convection as Observed by AWE Open
Mesopause‐region (87 km) gravity waves (GWs) generated by tropical convection are investigated within the four longitude sectors encompassing Africa, the Indian Ocean, the Intertropical Convergence Zone, and South America during the Dec 20…
View article: AMOC weakening modulates global warming impacts on precipitation over Brazil
AMOC weakening modulates global warming impacts on precipitation over Brazil Open
Global warming is expected to substantially weaken the Atlantic Meridional Overturning Circulation (AMOC). However, climate models disagree greatly on the magnitude of AMOC weakening. This adds uncertainties in climate change projections, …
View article: Global Assessment of the Cloud-Aerosol Transition Zone Using CALIPSO
Global Assessment of the Cloud-Aerosol Transition Zone Using CALIPSO Open
The interactions between clouds and aerosols represent one of the largest uncertainties in assessing the Earth’s radiation budget, highlighting the importance of research on the transition zone (TZ) within the cloud-aerosol continuum. This…
View article: On the Atlantic extratropical-tropical teleconnection in response to external freshwater forcing
On the Atlantic extratropical-tropical teleconnection in response to external freshwater forcing Open
We investigate key mechanisms driving the Atlantic extratropical-tropical teleconnection and associated Atlantic Intertropical Convergence Zone (ITCZ) shift in boreal summer under a strong external freshwater forcing using a coupled climat…
View article: Variability of the East Asian summer monsoon rainfall over Korea during the Early to Mid-Holocene and its links to global climate changes
Variability of the East Asian summer monsoon rainfall over Korea during the Early to Mid-Holocene and its links to global climate changes Open
Understanding the spatiotemporal variability of global summer monsoons and the factors controlling them is essential for testing and predicting their future changes under the anticipated global warming. Here, we reconstructed a series of E…
View article: Analysis of Consecutive Dry Days in the MATOPIBA Region During the Rainy and Dry Seasons
Analysis of Consecutive Dry Days in the MATOPIBA Region During the Rainy and Dry Seasons Open
Climate change and its impacts on precipitation patterns have intensified the occurrence of prolonged dry periods in agricultural regions of Brazil, particularly in the MATOPIBA region (comprising the states of Maranhão, Tocantins, Piauí, …
View article: Meteorological conditions leading to a catastrophic, rain‐induced landslide in <scp>Cameroon</scp> in <scp>October</scp> 2019
Meteorological conditions leading to a catastrophic, rain‐induced landslide in <span>Cameroon</span> in <span>October</span> 2019 Open
After an exceptionally wet October 2019, the city of Bafoussam in the Cameroon Highlands was hit by a devastating landslide on 29 October, resulting in around 50 deaths. This study examines the atmospheric drivers leading up to this fatal …
View article: Hydroclimate Evolution Along Chile Over the Last 20 000 Years: insights from Leaf-Wax Hydrogen Isotope Records
Hydroclimate Evolution Along Chile Over the Last 20 000 Years: insights from Leaf-Wax Hydrogen Isotope Records Open
The climate of the western coast of South America is controlled by large climate systems known as the Intertropical Convergence Zone (ITCZ), the Subtropical Pacific High (SPH) and the Southern Hemisphere Westerly wind (SWW) belt. While the…
View article: Characterization of the Rainy Season in Central Africa by Using a Regional Climatic Model
Characterization of the Rainy Season in Central Africa by Using a Regional Climatic Model Open
Central Africa, like most regions of the planet, is suffering the consequences of climate change, including the disruption of seasonal indices such as the Rainfall Onset Dates (RODs) and Rainfall Cessation Dates (RCDs). The inability to pr…
View article: R code for processing and displaying IGRA2 radiosonde data -supplementary materials for May 2025
R code for processing and displaying IGRA2 radiosonde data -supplementary materials for May 2025 Open
A plot of the atmospheric molar density versus air pressure forms two intersecting straight lines. The intersection lies just below the tropopause. This software locates the molar density intersection in the NOAA Integrated Global Radioson…
View article: R code for processing and displaying IGRA2 radiosonde data -supplementary materials for May 2025
R code for processing and displaying IGRA2 radiosonde data -supplementary materials for May 2025 Open
A plot of the atmospheric molar density versus air pressure forms two intersecting straight lines. The intersection lies just below the tropopause. This software locates the molar density intersection in the NOAA Integrated Global Radioson…