Results 41 to 50 of about 47,350 (264)

Spatiotemporal analysis of atmospheric methane over Kazakhstan using Sentinel-5P satellite observations between 2019–2024

open access: yesFrontiers in Environmental Science
Methane (CH4) is a potent greenhouse gas whose short-term radiative forcing significantly exceeds that of CO2, poses significant risks for regions with intensive hydrocarbon production, such as Kazakhstan.This study provides a country-wide spatiotemporal
Daniker Chepashev   +4 more
doaj   +1 more source

Operative center of the geophysical prognosis in Izmiran [PDF]

open access: yesAnnales Geophysicae, 2005
IZMIRAN was founded about 65 years ago with one of the goals of carrying out geomagnetic prognoses. More or less, this activity has been developed during its entire history, but about 6 years ago this aim became sufficiently feasible due to the ...
A. V. Belov   +5 more
doaj   +1 more source

A Method for Determining Parameters of Mid-Scale Traveling Ionospheric Disturbances

open access: yesSensors
The growing amount of available experimental data on the Earth’s ionosphere total electron content measurements requires the development of modern data processing instruments. Traveling ionospheric disturbances (TIDs) are one of the ionospheric phenomena
Alexey Andreyev   +3 more
doaj   +1 more source

Radio tomographic imaging of the northern high-latitude ionosphere on a wide geographic scale [PDF]

open access: yes, 2005
Several chains of receivers, measuring total electron content (TEC) during passes of satellites in the U.S. Navy Ionospheric Measuring System (NIMS), are operated at northern high latitudes by members of the International Ionospheric Tomography Community
Bailey, G.J.   +10 more
core  

Building a Continental‐Scale Geodetic Network: The Plate Boundary Observatory (PBO)

open access: yesPerspectives of Earth and Space Scientists, Volume 7, Issue 1, December 2026.
Abstract The Plate Boundary Observatory (PBO) transformed the use of geodesy in North America to study crustal deformation and plate boundary processes by establishing a continental‐scale, standardized, open‐access geodetic network. Built and operated by UNAVCO between 2003 and 2018 as part of the National Science Foundation (NSF)‐funded EarthScope ...
Emily E. Zawacki   +5 more
wiley   +1 more source

Hydro-Climatic and Multi-Temporal Remote Analysis of Glacier and Moraine Lake Changes in the Ile-Alatau Mountains (1955–2024), Northern Tien Shan

open access: yesAtmosphere
High-mountain regions such as the Ile-Alatau range of the Northern Tien Shan are highly sensitive to climatic fluctuations, where even minor variations in temperature and precipitation significantly influence glacier mass balance and hydrology.
Gulnara Iskaliyeva   +5 more
doaj   +1 more source

Ionosphere Influenced From Lower-Lying Atmospheric Regions

open access: yesFrontiers in Astronomy and Space Sciences, 2021
The ionosphere represents part of the upper atmosphere. Its variability is observed on a wide-scale temporal range from minutes, or even shorter, up to scales of the solar cycle and secular variations of solar energy input.
Petra Koucká Knížová   +8 more
doaj   +1 more source

Production of small-scale Alfvén waves by ionospheric depletion, nonlinear magnetosphere-ionosphere coupling and phase mixing [PDF]

open access: yes, 2013
The authors acknowledge the International Space Science Institute (Switzerland) for funding the program that inspired this work. AJBR is grateful to the Royal Commission for the Exhibition of 1851 for present support and acknowledges an STFC studentship ...
Russell, A. J.B.   +9 more
core   +1 more source

A Data‐Driven Review of Geoscience Research Evolution Using SciBERT‐Based Topic and Network Analysis

open access: yesGeoscience Data Journal, Volume 13, Issue 4, October 2026.
This review synthesises the evolution of global geoscience research from 2004 to 2023 using large‐scale bibliometric evidence. By combining keyword co‐occurrence network analysis with SciBERT‐based topic modelling, it identifies major paradigm transitions from geology‐centred research to climate‐focused studies and recent data‐ and AI‐driven ...
Sooyeon Han, Ju‐seop Kim
wiley   +1 more source

The STM32 microcontroller based pulse intensity registration system for the neutron monitor

open access: yesEPJ Web of Conferences, 2017
We present the outlines of a new microcontroller based data acquisition system which is aimed for reliable operation in a typical cosmic ray particle registration experiment.
Shepetov Alexander   +5 more
doaj   +2 more sources

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