Results 191 to 200 of about 192,438 (227)

A near real-time framework for monitoring very-long-period signals at volcanoes. [PDF]

open access: yesSci Rep
Gammaldi S   +8 more
europepmc   +1 more source

Observing Systems Simulation Experiments of Hypothetical Hourly Global Coverage of Microwave Satellite Radiances: Imbalance and Adaptive Observation Error Inflation

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 8, 28 April 2026.
Abstract This study investigates the potential impacts of frequent global coverage of satellite microwave radiances using a global atmospheric data assimilation (DA) system. Observing Systems Simulation Experiments (OSSEs) were performed using the Local Ensemble Transform Kalman Filter with the Nonhydrostatic Icosahedral Atmospheric Model (NICAM ...
Rakesh Teja Konduru   +3 more
wiley   +1 more source

Relatively Intense Daytime GNSS Amplitude Scintillations at Middle Latitude Linked With Multi‐Layered Strong Es Structures

open access: yesGeophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Intense Global Navigation Satellite System (GNSS) amplitude scintillations usually occur in nighttime at low latitudes due to ionospheric plasma bubble irregularities. During daytime at middle latitudes, previous studies found that the sporadic E (Es) layer could lead to GNSS amplitude scintillations, which however, is relatively weak, for ...
Wenjie Sun   +14 more
wiley   +1 more source

Optical frequency comb integration in radio telescopes: advancing signal generation and phase calibration. [PDF]

open access: yesLight Sci Appl
Hyun M   +10 more
europepmc   +1 more source

Localization of nanoscale objects with light singularities. [PDF]

open access: yesNanophotonics
Grant TA   +4 more
europepmc   +1 more source

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