Results 31 to 40 of about 18,323 (219)

Short term Variability of the Sun Earth System: An Overview of Progress Made during the CAWSES II Period [PDF]

open access: yes, 2015
This paper presents an overview of results obtained during the CAWSES II period on the short term variability of the Sun and how it affects the near Earth space environment. CAWSES II was planned to examine the behavior of the solar terrestrial system as
Gopalswamy, Nat   +2 more
core   +2 more sources

AE, D ST and their SuperMAG Counterparts : the effect of improved spatial resolution in geomagnetic indices [PDF]

open access: yes, 2020
For decades, geomagnetic indices have been used extensively to parameterize space weather events, as input to various models and as space weather specifications.
Bergin, Aisling   +2 more
core   +2 more sources

Research on the effects and related mechanisms of geomagnetic storm on depression

open access: yesBrain Research Bulletin
Objective: Depression has become disabling disease in the world. Geomagnetic storm is closely related to depression behavior, and melatonin is an important factor in the pathogenesis of depression. This study observed the effects of different intensities
Hui Wu   +8 more
doaj   +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

Geomagnetic storm dependence on the solar flare class

open access: yes, 2006
Content. Solar flares are often used as precursors of geomagnetic storms. In particular, Howard and Tappin (2005) recently published in A&A a dependence between X-ray class of solar flares and Ap and Dst indexes of geomagnetic storms which contradicts to
E. Echer   +30 more
core   +2 more sources

Characterization of G -Semigroup by Intuitionistic N-Fuzzy Set (INFS) and its level set [PDF]

open access: yes, 2017
Some characterizations of G -Semigroup by intuitionistic N-fuzzy sets have been given here. The concept of intuitionistic N-fuzzy set (INFS) and its level set has been applied to G -semigroup.
Iqbal, Zaffar   +2 more
core   +1 more source

A density-temperature description of the outer electron radiation belt during geomagnetic storms [PDF]

open access: yes, 2009
Bi-Maxwellian fits are made to energetic-electron flux measurements from seven satellites in geosynchronous orbit, yielding a number density (n) and temperature (T) description of the outer electron radiation belt.
Baker   +74 more
core   +2 more sources

Geomagnetic Storm Related to Disturbance Storm Time Indices

open access: yesEuropean Journal of Environment and Earth Sciences, 2021
The magnitude of the Disturbance Storm Time (Dst) index varied in relation to the extremely small negative integer that indicated a large geomagnetic storm. The large sharpened variants of negative Dst indices could describe the detailed features of a geomagnetic storm.
openaire   +2 more sources

Transequatorial magnetic flux loops on the sun: a possible new source of geomagnetic storms

open access: yesAntarctic Record, 2009
Following the traditional way of expression, geomagnetic storms have been classified into three types; flare-type Sc storms, CH-type Sg storms, and DB-type Sc storms (Sc:sudden commencement;CH:coronal hole;g:gradual;DB:disparition brusque).We have ...
Takao Saito   +5 more
doaj   +1 more source

Study of the Tidal Variations in the Ionosphere and the MLT Region over Mohe and Beijing During Six Intense Geomagnetic Storms from 2016 to 2021

open access: yesRemote Sensing
Geomagnetic storms can cause large variations in the ionosphere, but their impacts on the mesosphere and lower thermosphere (MLT) are not well understood. Based on the Total Electron Content (TEC) data and the meteor neutral winds data over Mohe (53.5°N,
Jiarong Ma   +5 more
doaj   +1 more source

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