Results 81 to 90 of about 1,619 (201)

Long Baseline GPS RTK with Estimating Tropospheric Delays

open access: yesJournal of Positioning, Navigation, and Timing, 2014
The real-time kinematic (RTK) is one of precise positioning methods using Global Positioning System (GPS) data. In the long baseline GPS RTK, the ionospheric and tropospheric delays are critical factors for the positioning accuracy. In this paper we present RTK algorithms for long baselines more than 100 km with estimating tropospheric delays.
Byung-Kyu Choi   +2 more
openaire   +2 more sources

Analysis of Ionospheric Correlation Time Variations Based on Long‐Term GIMs Data

open access: yesSpace Weather, Volume 24, Issue 3, March 2026.
Abstract Ionospheric correlation time measures the temporal correlation of the ionosphere and is an important parameter for characterizing the temporal connection of ionospheric variability. Ionospheric correlation times are obtained from high resolution global ionospheric TEC maps spanning 2005 to 2020.
Sicheng Wang, Sheng Guo, Sixun Huang
wiley   +1 more source

Climate Change, Air Quality, and Pollen Allergies—State of the Art and Recommendations for Research and Public Health

open access: yesAllergy, Volume 81, Issue 3, Page 663-683, March 2026.
ABSTRACT Allergies are one of the major health challenges of our time, associated with a high individual burden of disease and high costs for the healthcare system. Given their prevalence, allergies are also highly relevant from a public health perspective. The development of allergic diseases is multifactorial. In addition to individual factors (e.g.,
Jobst Augustin   +13 more
wiley   +1 more source

Future Weakening of the Kuroshio Extension Decadal Variability Revealed by an Eddy‐Resolving Global Climate Model

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract The Kuroshio Extension (KE) exhibits pronounced decadal variability, influencing marine ecosystems, fisheries, and regional climate. However, how anthropogenic warming affects this variability remains uncertain due to limited satellite records and model resolution constraints.
Xin Wang, Bolan Gan, Lixin Wu, Hong Wang
wiley   +1 more source

Observations and Modeling of the Longest‐Recorded Delayed Sprite

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Transient luminous events (TLEs), such as sprites, have been investigated via observations and simulations for decades. Recent TLE research has focused on effects leading to the delay of a sprite from its parent lightning flash. Here we investigate a sprite with by far the longest recorded delay to date, a delay of almost a full second (916.6 ±
Y. Yair   +10 more
wiley   +1 more source

Changes in MJO Teleconnections in the Southeast U.S. Under Global Warming in the CESM2 Large Ensemble

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract We examined projected changes in Madden–Julian Oscillation (MJO) teleconnections over North America using 90 ensemble members from the Community Earth System Model Version 2 Large Ensemble (CESM‐LENS2) under the SSP370 scenario. In the warmer climate, the classic PNA‐like teleconnection strengthens and shifts eastward, with large ensemble ...
Jingxuan Cui, Eric D. Maloney
wiley   +1 more source

GPS/BDS Medium/Long-Range RTK Constrained with Tropospheric Delay Parameters from NWP Model

open access: yesRemote Sensing, 2018
Tropospheric delay is a major error source that affects the performance of the Global Navigation Satellite Systems (GNSS) Real Time Kinematic (RTK) positioning especially for the medium/long-range baseline.
Ying Xu   +5 more
doaj   +1 more source

Semi‐Volatile Organic Partitioning Improves Simulation of Biomass Burning Aerosol Mixing State Evolution

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Biomass burning aerosols significantly contribute to atmospheric composition and radiative forcing, with black carbon (BC) mixing states critically influencing optical properties and climate impacts. Recent field observations reveal a systematic three‐phase evolution in BC coating thickness during plume aging: rapid initial growth, quasi ...
Chloe Yuchao Gao   +3 more
wiley   +1 more source

Climatology and Environmental Controls of Intense Wind Gusts in the Brazilian Amazon

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Investigating Amazonian intense wind gusts and their environments is essential to better understand the drivers and impacts of severe convection that can reshape forest structure, increase tree mortality, and threaten ecosystems and communities. This study presents the first multi‐decadal (2000–2024) assessment of intense convective wind gusts
Vanessa Ferreira   +4 more
wiley   +1 more source

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