Articles with "eclipse" as a keyword



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Ionospheric total electron content response to September-2017 geomagnetic storm and December-2019 annular solar eclipse over Sri Lankan region

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Published in 2021 at "Acta Astronautica"

DOI: 10.1016/j.actaastro.2021.01.006

Abstract: Abstract The geomagnetic storm and solar eclipse are two important transient phenomena that crucially influence the quiet time ionospheric behavior over the low latitudes. The present study investigates the ionospheric total electron content response to… read more here.

Keywords: total electron; storm; electron content; eclipse ... See more keywords
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Solar eclipse effects in the ionosphere observed by continuous Doppler sounding

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Published in 2018 at "Advances in Space Research"

DOI: 10.1016/j.asr.2018.05.029

Abstract: Abstract The ionospheric response to the solar eclipses of 20 March 2015 above the Czech Republic, 9 March 2016 above Taiwan, and 26 February 2017 above South Africa was studied. A distinct bipolar pulse was… read more here.

Keywords: ionosphere observed; doppler; eclipse effects; solar eclipse ... See more keywords
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A study on TEC reduction during the tail phase of the 21st June 2020 annular solar eclipse

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Published in 2021 at "Advances in Space Research"

DOI: 10.1016/j.asr.2020.12.035

Abstract: Abstract Ionospheric response during the annular solar eclipse of June 21, 2020, has been examined in terms of the Total Electron Content (TEC) obtained from six Global Positioning System (GPS) receivers positioned in the Chinese-Taiwanese… read more here.

Keywords: eclipse; annular solar; phase; solar eclipse ... See more keywords
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Remote sensing ionospheric variations due to total solar eclipse, using GNSS observations

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Published in 2020 at "Geodesy and Geodynamics"

DOI: 10.1016/j.geog.2019.09.001

Abstract: Abstract For years great interest has been taken in the effects of physical phenomena on ionosphere structure. A total solar eclipse was visible in North America on August 21st, 2017. This event offered a great… read more here.

Keywords: sensing ionospheric; total solar; due total; remote sensing ... See more keywords
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The 2017 Solar Eclipse: Implementing Enhanced Syndromic Surveillance on the Path of Totality in Kentucky

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Published in 2020 at "Disaster Medicine and Public Health Preparedness"

DOI: 10.1017/dmp.2020.4

Abstract: ABSTRACT Objective: The 2017 solar eclipse was associated with mass gatherings in many of the 14 states along the path of totality. The Kentucky Department for Public Health implemented an enhanced syndromic surveillance system to… read more here.

Keywords: 2017 solar; surveillance; path totality; health ... See more keywords
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The Effect of the 21 August 2017 Total Solar Eclipse on the Phase of VLF/LF Signals

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Published in 2020 at "Earth and Space Science"

DOI: 10.1029/2019ea000839

Abstract: An experimental study of the phase and amplitude observations of sub‐ionospheric very low and low frequency (VLF/LF) signals is performed to analyze the response of the lower ionosphere during the 21 August 2017 total solar… read more here.

Keywords: total solar; 2017 total; eclipse; august 2017 ... See more keywords
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Conjugate Ionospheric Perturbation During the 2017 Solar Eclipse

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Published in 2021 at "Journal of Geophysical Research"

DOI: 10.1029/2020ja028531

Abstract: We report new findings of total electron content (TEC) perturbations in the southern hemisphere at conjugate locations to the northern eclipse on 21 August 2017. We identified a persistent conjugat... read more here.

Keywords: 2017 solar; solar eclipse; conjugate ionospheric; perturbation 2017 ... See more keywords
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Multilayered Sporadic‐E Response to the Annular Solar Eclipse on June 21, 2020

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Published in 2021 at "Space Weather"

DOI: 10.1029/2020sw002643

Abstract: A moon shadow of annular solar eclipse passed through East Asia in the afternoon on June 21, 2020, which was a good opportunity to study the rapid ionospheric response to the solar radiation variations. In… read more here.

Keywords: response; eclipse; annular solar; solar eclipse ... See more keywords
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A revolution in science: the eclipse expeditions of 1919

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Published in 2019 at "Contemporary Physics"

DOI: 10.1080/00107514.2019.1624000

Abstract: ABSTRACT The first direct experimental test of Einstein's theory of general relativity involved a pair of expeditions to measure the bending of light at a total solar eclipse that took place one hundred years ago,… read more here.

Keywords: revolution science; science eclipse; physics; eclipse expeditions ... See more keywords
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Investigation of ionospheric losses for the ‘O+ + O2 → O2 + + O’ reaction during the solar eclipse

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Published in 2021 at "Physica Scripta"

DOI: 10.1088/1402-4896/ac0a2d

Abstract: In this study, the response of the loss terms for the ‘O+ + O2 → O2 + + O’ reactive reaction, which is an important charge transfer process in the upper ionosphere, to the partial… read more here.

Keywords: reaction; day; solar eclipse; eclipse ... See more keywords
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Penumbra lunar eclipse observations reveal anomalous thermal performance of Lunakhod 2 reflectors

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Published in 2021 at "Chinese Physics B"

DOI: 10.1088/1674-1056/ac3068

Abstract: As the signal reflected by the corner-cube reflector arrays is very weak and easily submerged during the full moon, we analyze the influence of the thermal effect of corner-cube reflector arrays on the intensity of… read more here.

Keywords: cube reflector; penumbra lunar; eclipse; lunar eclipse ... See more keywords