Results 51 to 60 of about 221 (150)

Assimilation of GNSS and synoptic data in a convection permitting limited area model: improvement of simulated tropospheric water vapor content [PDF]

, 2022
The assimilation of observations in limited area models (LAMs) allows to find the best possible estimate of a region’s meteorological state. Water vapor is a crucial constituent in terms of cloud and precipitation formation. Its highly variable nature in
Fersch, B., Kunstmann, Harald, Wagner, A., Yuan, P., Wagner, Andreas, Yuan, Peng, Fersch, Benjamin, Rummler, Thomas, Rummler, T., Kunstmann, H.   +9 more
core   +1 more source

Major Melting Event on the Ross Ice Shelf, Antarctica, Connected With Enhanced Atmospheric Turbulence

Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract The Ross Ice Shelf (RIS) in West Antarctica experienced extensive surface melting in January 2016, driven by warm humid air transported from over the Southern Ocean. Few studies have reported increased atmospheric water vapor and turbulent mixing during this event in this region, where the availability of surface measurements is challenging ...
Dhiman R. Mondal, Pedro Elosegui, Nathra Ramrajvel, Scott Paine   +3 more
wiley   +1 more source

Convective Biases in the US DOE Global Storm‐Resolving Model: Insights From Regionally Refined Simulations During the CACTI Campaign

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 5, 16 March 2026.
Abstract Accurately simulating convective processes in complex terrain remains a critical challenge for global storm‐resolving models (GSRMs). This study systematically evaluates moist convective biases in the Regionally Refined Mesh configuration of the U.S.
Tianning Su, Yunyan Zhang, Hsi‐Yen Ma, Adam C. Varble, Peter A. Bogenschutz   +4 more
wiley   +1 more source

Processes Driving Drift‐Ice Evolution and Its Interaction With the Oceanic and Atmospheric Boundary Layers

Reviews of Geophysics, Volume 64, Issue 1, March 2026.
Abstract Sea ice is a crucial component of polar climate systems and is undergoing substantial changes in both hemispheres due to evolving climatic conditions. Arctic sea ice is transitioning from perennial to seasonal cover, and the Southern Ocean sea ice is exhibiting recent minima and enhanced seasonality.
Jari Haapala, Morven Muilwijk, Ioanna Merkouriadi, Pedro Duarte, Ilker Fer, Mats A. Granskog, Virginie Guemas, Tore Hattermann, Robinson Hordoir, Doroteaciro Iovino, Polona Itkin, Roberta Pirazzini, Felix Pithan, Igor Polyakov, Annette Rinke, Letizia Tedesco, Petteri Uotila, Martin Vancoppenolle, Marcello Vichi, Timo Vihma   +19 more
wiley   +1 more source

GAM-STTD: a spatiotemporal tropospheric delay correction model for time-series InSAR in complex mountainous regions

International Journal of Digital Earth
Tropospheric delay remains a critical error source in time-series interferometric synthetic aperture radar (TS-InSAR), particularly in mountainous and plateau regions where seasonal stratification and stochastic turbulence coexist.
Shipeng Guo, Xiaoqing Zuo, Jihong Zhang, Xu Yang   +3 more
doaj   +1 more source

Interpretation of the Tropospheric Gradients Estimated With GPS During Hurricane Harvey

Earth and Space Science, 2019
During the last decade Global Positioning System (GPS) Continuous Operating Reference Stations networks have become a new important data source for meteorology.
Victoria Graffigna, Manuel Hernández‐Pajares, Mauricio Gende, Francisco Azpilicueta, Pablo Antico   +4 more
doaj   +1 more source

Kernel‐Based Estimation of Stratospheric Aerosol Radiative Effects From Volcanic and Wildfire Events

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 4, 28 February 2026.
Abstract To facilitate the quantification of the stratospheric aerosol direct radiative effect (ARE), this study develops a suite of aerosol kernels based on Modern‐Era Retrospective Analysis for Research and Applications, Version 2 reanalysis data. The kernels comprise a five‐dimensional data set that includes latitude, longitude, time, wavelength ...
Qiurun Yu, Yi Huang
wiley   +1 more source

An Analytical Model of the Lifecycle of Tropical Anvil Cloud Radiative Effects

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 4, 28 February 2026.
Abstract Satellite observations and numerical simulations show that the small net Cloud Radiative Effect (CRE) of tropical anvil clouds results from a near‐cancellation between large but opposing longwave (LW) and shortwave (SW) components over the cloud's lifecycle.
Nicholas J. Lutsko, Casey J. Wall, Blaž Gasparini   +2 more
wiley   +1 more source

Atmospheric water vapor maps generations from stochastic interpolation of GNSS Zenith Tropospheric Delays [PDF]

, 2023
LAUREA MAGISTRALEIl monitoraggio degli eventi meteorologici nella moderna meteorologia richiede l'uso di tecniche avanzate, con I sistemi globali di navigazione satellitare (GNSS) che stanno emergendo come una soluzione importante.
ABDELGAFAR, OMAR SAYED MOSTAFA
core  

Regional Tropospheric Delay Prediction Model Based on LSTM-Enhanced Encoder Network

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Precise modeling of zenith tropospheric delay (ZTD) is essential for real-time high-precision positioning in global navigation satellite systems. Due to the stochastic variability of atmospheric water vapor across different regions, tropospheric delay ...
Yuanfang Peng, Chenglin Cai, Zexian Li, Kaihui Lv, Xue Zhang, Yihao Cai   +5 more
doaj   +1 more source