Results 181 to 190 of about 12,427 (266)

Quad‑polarization synthetic aperture radar dataset for marine oil spill and look‑alike segmentation. [PDF]

Data Brief
Jamal S, Sun G, Li Y, Khan AQ.
europepmc   +1 more source

Seismo‐ and Tsunami‐Traveling Ionospheric Disturbances of the 29 July 2025 M8.8 Kamchatka Earthquake Observed by CW‐HF Doppler Sounding Systems and Ionosondes in Taiwan and Japan

Geophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Doppler frequency shifts (DFSs) recorded by continuous wave‐high frequency Doppler sounding systems and ionograms observed by five ionosondes in Taiwan and Japan are used to study three‐dimensionally seismo‐ and tsunami‐traveling ionospheric disturbances (STIDs and TTIDs) triggered by the 29 July 2025 Mw8.8 Kamchatka earthquake.
Yao‐Chun Chen, Jann‐Yenq Liu, Tien‐Chi Liu, Katsumi Hattori, Jaroslav Chum, Chieh‐Hung Chen, Wen‐Yen Chang, Bor‐Shouh Huang, Rui Song, Horng‐Yuan Yen   +9 more
wiley   +1 more source

Atmospheric River‐Cyclone Events Disrupting an Antarctic Peninsula Field Campaign: Dynamics, Mesoscale Wind Amplification, and Long‐Term Context

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 16, 28 August 2026.
Abstract Extreme weather in the Antarctic Peninsula arises from interactions among large‐scale circulation variability, atmospheric rivers (ARs), extratropical cyclones, and complex coastal terrain, yet the linkages across these scales remain insufficiently resolved.
D. Bozkurt, F. Fernandoy, S. MacDonell, L. M. Gaete, J. F. Carrasco   +4 more
wiley   +1 more source

A New Lidar‐Based Observational Estimate for a Short‐Term Longwave High‐Cloud Feedback

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 15, 16 August 2026.
Abstract High clouds play a substantial role in modulating the Earth's top‐of‐atmosphere radiative energy budget. Models project that changes in high‐cloud altitude and area in response to warming will have a net warming effect within the tropics. Yet, to our knowledge, a robust global observational constraint of a short‐term cloud feedback associated ...
J. A. Pilewskie, G. Cesana, A. Arouf, T. Vaillant de Guélis   +3 more
wiley   +1 more source

Strong Diurnal‐Dependent Meteorological Control on Long‐Term Variations of Cloud Droplet Number Concentration

Geophysical Research Letters, Volume 53, Issue 15, 16 August 2026.
Abstract While long‐term cloud droplet number concentration (CDNC) changes are commonly attributed to aerosols, the role of meteorological factors remains poorly explored. Here, we perform a time‐resolved contribution analysis of long‐term CDNC variations using nearly two decades of geostationary observations over four Atlantic subtropical regions. The
Jiayi Li, Jiming Li, Yuan Wang, Ruixue Li, Yang Wang   +4 more
wiley   +1 more source

First Assessment of ICESat‐2 Summer Sea Ice Freeboard With Airborne Validation

Geophysical Research Letters, Volume 53, Issue 15, 16 August 2026.
Abstract ICESat‐2 has demonstrated solid performance in retrieving sea ice freeboard during winter, when sea ice surface types are well‐defined and leads provide reliable sea surface height references. Summer retrievals are challenging because melt ponds are not explicitly distinguished in the ATL07 surface classification and may be identified as ice ...
Ellen M. Buckley, Sahra Kacimi, Melinda Webster, Siddarth Harrison, Kutalmis Saylam, Nathan T. Kurtz, Rachel L. Tilling   +6 more
wiley   +1 more source

Improving Digital Mapping of Soil Organic Carbon and Total Nitrogen Through Integration of Sentinel‐1 Backscatter, InSAR Coherence, and Sentinel‐3 OLCI/SLSTR Observations

Land Degradation &Development, Volume 37, Issue 13, Page 9707-9720, 15 August 2026.
ABSTRACT The potential of optical satellites for the spatial prediction of soil organic carbon (SOC) and total nitrogen (STN) has long been recognized. Owing to their balanced spatial–temporal resolution, multisource observational capabilities, and unprecedented availability of free data, Sentinel satellites offer unique opportunities for mapping soil ...
Tao Zhou, Xueting Zheng, Hongmin Zhang, Yajun Geng, Huijie Li, Junming Liu, Tingting Liu, Asim Biswas, Bingcheng Si   +8 more
wiley   +1 more source

Lidar‐Based Object Tracking of Traffic Participants with Sensor Nodes in Existing Urban Infrastructure

Advanced Intelligent Systems, Volume 8, Issue 8, August 2026.
This paper presents a lidar‐based sensor node design and a rule‐based state observer for edge‐based traffic participant tracking. Unlike other state‐of‐the‐art methods, this state observer enables real‐time, CPU‐only edge processing without relying on machine learning approaches.
Simon Schäfer, Bassam Alrifaee, Ehsan Hashemi   +2 more
wiley   +1 more source

Damaging Surface Hail in Simulations of Satellite‐Detected Hailstorms in Australia's Tropics

Atmospheric Science Letters, Volume 27, Issue 8, August 2026.
Satellite detections of hail signatures are uncertain in the tropics, where the deep troposphere increases the chances that ice detected aloft will melt before it reaches the surface. We used numerical weather simulations to examine the plausibility of damaging surface hail at times and locations when satellites detected hail signatures over Australia ...
Timothy H. Raupach, Sarah D. Bang, John T. Allen   +2 more
wiley   +1 more source

A primer on forest structure measurement with lidar for ecologists

Ecosphere, Volume 17, Issue 8, August 2026.
Abstract Light detection and ranging (lidar) technology has fundamentally advanced the way we measure forest structure, facilitating new insights into ecological processes. Lidar for forest ecology applications is deployed on multiple types of platforms that operate from the ground, air, or space, and each has associated strengths and limitations ...
K. C. Cushman, Kamil Král, Angelica M. Almeyda Zambrano, Eben N. Broadbent, Martin Krůček, Alice Rosen, Sean M. McMahon   +6 more
wiley   +1 more source