Results 151 to 160 of about 1,864 (260)

Model Sensitivities of Biomass‐Burning Aerosol Chemical Aging, Sulfate Formation, and Cloud Droplet Activation in the Southeastern Atlantic Using CESM and E3SM

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 15, 16 August 2026.
Abstract Biomass‐burning smoke drives large uncertainty in climate projections of the Earth's radiative balance. This is due to the chemical and physical evolution of smoke and its impact on clouds and radiation. Here we focus on the southeastern Atlantic region and its inflow of African biomass‐burning smoke during August 2017.
Calvin Howes   +10 more
wiley   +1 more source

A Deep Learning Model of Lightning Stroke Density

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 15, 16 August 2026.
Abstract Lightning plays a crucial role in the Earth's climate system; however, existing parameterizations for use in forecasting and earth system models show room for improvement in capturing spatial and temporal variations in its frequency. This study develops deep learning‐based parameterizations of lightning stroke density using meteorological ...
Randall Jones II   +3 more
wiley   +1 more source

Unique Vertical Characteristics of Hydrometeors Observed in the Tropical Cyclone Outer Rainband Region

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 15, 16 August 2026.
Abstract This study investigates the vertical cloud microphysics in the stratiform sectors of Hurricane Tammy's outer rainband region and their relationship to local environments. We used in situ Optical Array Probe (OAP) measurements and tail‐Doppler radar data from four NOAA P‐3 spiral modules on 19–22 October 2023, as Tammy intensified from a ...
Xin Yang, Xuejin Zhang, Jun A. Zhang
wiley   +1 more source

The Impact of Volatile Organic Compounds and Oxides of Nitrogen on Ground‐Level Ozone and Secondary Organic Aerosols Formation Over the Triad Region in North Carolina

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 15, 16 August 2026.
Abstract Ground‐level ozone and secondary organic aerosol (SOA) formation in urban‐rural environments involves complex interactions between nitrogen oxides (NOx) and volatile organic compounds (VOCs). This study employed WRF‐Chem version 4.2 with SAPRC99 chemistry to investigate ozone and SOA formation in the Triad region NC during peak photochemical ...
Laxmi Odari   +5 more
wiley   +1 more source

Global Modeling of Atmospheric Amines: Sources and Sinks

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 15, 16 August 2026.
Abstract Atmospheric amines (methylamine, MMA; dimethylamine, DMA; and trimethylamine, TMA) are critical to new particle formation, air quality, and climate, yet an integrated global cycling framework remains absent. This study develops a global emission inventory that integrates six source categories spanning anthropogenic sources (agriculture ...
Bei Zhang   +4 more
wiley   +1 more source

Trends in vertical wind velocity variability reveal cloud microphysical feedback. [PDF]

open access: yesNat Commun
Barahona D   +5 more
europepmc   +1 more source

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