Results 111 to 120 of about 501 (172)

CMOS Image Sensors in Surveillance System Applications. [PDF]

open access: yesSensors (Basel), 2021
Sukhavasi SB   +4 more
europepmc   +1 more source

Analysis of Smoke Transport Over the Northeast US Caused by Wildfires in Canada During June 2023—Leveraging the HRRR‐Smoke Model Predictions and Remote Sensing Observations

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 14, 28 July 2026.
Abstract The intensification of wildland fires across portions of Canada in early June 2023 led to significant smoke transport into the eastern United States, resulting in poor air quality and reduced visibility. Significant degradation of air quality was evident from PM2.5 surface measurements as the smoke plume moved southwards, which was confirmed ...
Y. L. Pichugina   +9 more
wiley   +1 more source

Analysis of the Charge Structure and Lightning Activity During a Severe Beijing Thunderstorm via an Innovative Balloon‐Borne 3D Electric Field Observation System

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 14, 28 July 2026.
Abstract We developed an innovative balloon‐borne observation system based on China's BeiDou sounding platform that integrates a three‐axis electric field sensor for in‐cloud measurements of thunderstorm electrification. On 13 May 2025, this system was deployed during a severe convective storm over Beijing. In combination with multisource observations,
Ye Tian   +10 more
wiley   +1 more source

Sprites Observed by ASIM: First Imaging Data Set and Temporal UV Emission Patterns

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 14, 28 July 2026.
Abstract We present the first data set analysis of 41 imaging‐confirmed sprite events detected by the ASIM‐MMIA instrument. They were visible in the 337 nm camera images from an initial list of 102 candidates identified by the ultraviolet (UV 180–230 nm) photometer.
J. A. López   +8 more
wiley   +1 more source

Exogenous 24nt siRNAs induce AGO4A-dependent silencing via promoter DNA methylation and H3K9me2 deposition. [PDF]

open access: yesFront Plant Sci
Hanke A   +10 more
europepmc   +1 more source

Ultra‐Low‐L Sub‐MeV Electron Microbursts During the May 2024 Super Storm

open access: yesGeophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract During the May 2024 super storm, we identified sub‐second microburst‐type relativistic electron precipitation events at McIlwain's L∼2 $L\sim 2$ in low‐Earth orbit using the Gamma‐ray Burst Monitor (CGBM) onboard the CALorimetric Electron Telescope on the International Space Station.
Miki Kurihara   +16 more
wiley   +1 more source

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