Results 31 to 40 of about 13,823 (196)

Solar Transients disturbing the Terrestrial Magnetic Environment at Higher Latitudes

open access: yes, 2013
Geomagnetic field variations during five major Solar Energetic Particle (SEP) events of solar cycle 23 have been investigated in the present study. The SEP events of 01 oct 2001, 04 Nov 2001, 21 Apr 2002 and 14 May 2005 have been selected to study the ...
Gwal, A. K.   +5 more
core   +1 more source

Front Matter

open access: yesGeophysical Monograph Series, Page i-xiv., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
wiley  

+1 more source

Variation of Total Electron Content over Nepal during Geomagnetic Storms: GPS Observations

open access: yesRussian Journal of Earth Sciences, 2023
Geomagnetic storms have very profound effects on the Total Electron Content (TEC) of the ionosphere. In order to investigate the equatorial and low-latitude ionospheric response to the geomagnetic storms of varying intensities, a detailed study of ...
Silwal Ashok   +5 more
doaj   +1 more source

Assessing the solar variability signature in climate variables by information theory and wavelet coherence

open access: yesScientific Reports, 2021
The present study aims to investigate the possible influence of solar/geomagnetic forcing on climate variables, such as the drought index, Danube discharge and large-scale atmospheric indices. Our analysis was performed separately for each season for two
Ileana Mares   +3 more
doaj   +1 more source

Maximum Coronal Mass Ejection Speed as an Indicator of Solar and Geomagnetic Activities

open access: yes, 2011
We investigate the relationship between the monthly averaged maximal speeds of coronal mass ejections (CMEs), international sunspot number (ISSN), and the geomagnetic Dst and Ap indices covering the 1996-2008 time interval (solar cycle 23).
A. Kilcik   +21 more
core   +3 more sources

The Challenge of Machine Learning in Space Weather Nowcasting and Forecasting [PDF]

open access: yes, 2019
The numerous recent breakthroughs in machine learning (ML) make imperative to carefully ponder how the scientific community can benefit from a technology that, although not necessarily new, is today living its golden age.
Andrejková G.   +19 more
core   +2 more sources

Comparison of K-index Calculations between Several Geomagnetic Stations during IQDs and IDDs [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2013
BOH magnetometer was installed at Mt. Bohyun in 2007 and has provided continuous dataset for 3-axis geomagnetic field over the South Korea. We have calculated real-time K-index based on BOH magnetic field data using well-known FMI method. Local K-index
Junga Hwang   +2 more
doaj   +1 more source

Modeling radiation belt radial diffusion in ULF wave fields: 1. Quantifying ULF wave power at geosynchronous orbit in observations and in global MHD model [PDF]

open access: yes, 2010
[1] To provide critical ULF wave field information for radial diffusion studies in the radiation belts, we quantify ULF wave power (f = 0.5–8.3 mHz) in GOES observations and magnetic field predictions from a global magnetospheric model.
Huang, Chia-Lin L.   +3 more
core   +2 more sources

A supramolecular assembly of cone‐specific G‐protein and cryptochrome 4a on lipid bilayer

open access: yesThe FEBS Journal, EarlyView.
Immobilized phospholipid bilayers on a sensor chip surface serve as membrane platform to investigate critical protein–lipid and protein–protein interaction processes by surface plasmon resonance. The putative magnetoreceptor cryptochrome 4a and the myristoylated cone‐specific G‐protein α‐subunit (Gtα) bind with high affinity to immobilized lipid ...
Ümmügülsüm Güzelsoy‐Flügge   +3 more
wiley   +1 more source

Halo Coronal Mass Ejections during Solar Cycle 24: reconstruction of the global scenario and geoeffectiveness [PDF]

open access: yes, 2017
In this study we present a statistical analysis of 53 fast Earth-directed halo CMEs observed by the SOHO/LASCO instrument during the period Jan. 2009-Sep.
Messerotti, Mauro   +3 more
core   +4 more sources

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