Results 211 to 220 of about 324,714 (371)

Multidirectional Dune Dynamics Under Seasonal Winds on Mars

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract We present a systematic assessment of the complex aeolian bedforms across the western rim of Hellas Planitia, the largest impact basin on Mars. Repeat orbital imaging shows crescentic, transverse, and star dunes across the Hellespontus Montes region migrate, converge, and occasionally reverse course.
Matthew Chojnacki   +4 more
wiley   +1 more source

Revealing Key Factor in Cloud Radiation Processes Affecting Global Horizontal Irradiance in WRF‐Solar in China

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 12, 28 June 2025.
Abstract Precise forecasting of global horizontal irradiance (GHI) is crucial for weather forecasting and solar energy production. The Weather Research and Forecasting Solar (WRF‐Solar) model, especially its sub‐grid cloud scheme (CLD), plays a key role in GHI prediction.
Liangchen Guo   +3 more
wiley   +1 more source

Impact of Smoke Aerosol Loading on Lightning Characteristics of Pyrocumulonimbus Compared With Other High‐Based Thunderstorms

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 12, 28 June 2025.
Abstract Pyrocumulonimbus (pyroCb) is a form of deep convection that is generated by the heating from large wildfires and specific meteorology known for producing lightning. We study the lightning characteristics of five pyroCb events in British Columbia, Canada, from June 29 to July 1 of 2021, and compare them to other clean and smoke‐filled high ...
Elena Dworak   +4 more
wiley   +1 more source

Intelligent Nowcasting of Convection Initiation Using a Special Ring‐Like Warmer Environment Implied in Fengyun‐4B AGRI Data

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 12, 28 June 2025.
Abstract Based on the neighborhood matching of the satellite Fengyun‐4B and radar observations made during the warm seasons of 2022–2023, a small convection initiation (CI) data set was constructed. Further analyses showed that CI clouds are immersed in an obviously warmer environment (≥290 K) in a “ring‐like” appearance relative to non‐CI clouds ...
Jinqing Liu   +7 more
wiley   +1 more source

Evaluating Sea Breezes and Associated Convective Cloud Evolution in the Model Gray Zone

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 12, 28 June 2025.
Abstract We characterize convective clouds associated with sea‐breeze circulations (SBC) using multi‐agency observations and multi‐case ensemble model simulations. The focus is on assessing convective cloud lifecycle properties and their merging behavior, as well as the environmental conditions they are embedded in, particularly SBC features. In total,
Travis Hahn   +3 more
wiley   +1 more source

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