Results 201 to 210 of about 10,666 (258)

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

Journal 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, Wenbin Gao, Chenyi Shi, Yue Sun, Xuebo Fan, Lei Meng, YongTao Yu, LongBin Zhang, Chen Chang, Jiachun Yang, Jin Li   +10 more
wiley   +1 more source

Postfrontal Deep Convection Over the Southern Ocean and Orographic Precipitation Enhancement Over Tasmania

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 14, 28 July 2026.
Abstract The orographic precipitation enhancement (OPE) generated within wintertime post‐frontal air masses is a prominent climate feature of Tasmania. This study investigates a passage of a cold sector of a mid‐latitude cyclone over the Southern Ocean (SO) and Western Tasmania (WTAS) observed from 2100 UTC 11 July to 0300 UTC 13 July.
Artur Gevorgyan, Steven Siems, Yi Huang, Luis Ackermann, T. Alinejadtabrizi   +4 more
wiley   +1 more source

To Align or Not to Align? That Is the Question

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 14, 28 July 2026.
Abstract Previous studies have shown that vertically misaligned circulations are commonly found in weaker tropical cyclones (TCs) below hurricane strength, whereas TCs of hurricane intensity more typically exhibit vertically aligned vortices. Thus an important step in the TC intensification process is achieving a vertically aligned circulation.
Michael S. Fischer, George R. Alvey, Deelan Jariwala, Paul D. Reasor   +3 more
wiley   +1 more source

Linking Interregional NASA Airborne Observations of Near‐Storm Environments to Tropical Oceanic Convective Structure

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 14, 28 July 2026.
Abstract Deep tropical oceanic convection is a key component of the tropical atmosphere, with environmental moisture and vertical wind shear influencing its structure and intensity. However, attempts to generalize convection‐environment relationships across the broad‐scale tropics have produced inconsistent results, partly owing to limits of reanalysis,
Benjamin D. Rodenkirch, Angela K. Rowe
wiley   +1 more source

Global Characterization of Stratospheric Sulfate Aerosols by the Atmospheric Chemistry Experiment (ACE)

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 14, 28 July 2026.
Abstract Stratospheric sulfate aerosol (SSA) is an important part of the Earth's climate system. SSA climate impact is determined in part by particle composition, which has been measured from orbit. The weight percent of sulfuric acid in SSA has been determined from atmospheric infrared transmittance spectra recorded with the Atmospheric Chemistry ...
Peter Bernath, Manish Bhusal, Michael Lecours, Chris Boone   +3 more
wiley   +1 more source

Evaluation of a Decade of Methane Observations From a Tower Network in Indianapolis, Indiana

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 14, 28 July 2026.
Abstract Methane (CH4) is a critical near‐term climate mitigation target, yet urban sources remain poorly constrained. Indianapolis hosts one of the world's longest and densest urban CH4 data sets, with continuous measurements from a tall‐tower network spanning more than a decade.
Z. R. Barkley, K. J. Davis, N. M. Miles, S. J. Richardson, J. R. Marlow, K. J. Fletcher, N. Balashov, A. Deng   +7 more
wiley   +1 more source

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Aircraft noise immission modeling

CEAS Aeronautical Journal, 2019
This contribution to the CEAS special edition Aircraft Noise Generation and Assessment focuses on the simulation of the aircraft noise immission, i.e., the aircraft noise received on the ground. This process includes two steps, the description of the sound emission by the aircraft and the modeling of the sound propagation through the atmosphere.
Lothar Bertsch
exaly   +3 more sources

Aircraft Noise

Environment and Behavior, 1998
A questionnaire distributed to two groups, one living within the flight pattern of a major airport and the other in a nonflight area, sought to determine whether these groups would respond differently to questions pertaining to noise, health perception, and quality of life issues.
Arline L. Bronzaft, Kathleen Dee Ahern, Regina McGinn, Joyce O'Connor, Bartholomew Savino   +4 more
openaire   +3 more sources

Military aircraft noise

9th Propulsion Conference, 1973
Opportunities to reduce military aircraft noise without inhibiting mission capability are considered. Emphasis is placed on the need for a comprehensive military aircraft noise abatement program involving compatible land use in the vicinity of military airports, operational constraints, and procedures to reduce noise impact and source noise reduction ...
openaire   +1 more source

Masking of Speech by Aircraft Noise

The Journal of the Acoustical Society of America, 1966
Word-intelligibility tests at various intensity levels were administered to a crew of trained listeners in the presence of recorded noise from jet and propeller-driven aircraft. The noise was that which would be present outdoors and in a house as the result of engine runup operations and if aircraft were flying overhead shortly after takeoff and prior ...
K D, Kryter, C E, Williams
openaire   +2 more sources