Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Andrés Cala"'
Publikováno v:
The Scientific World Journal, Vol 2024 (2024)
We study the variation in plasma beta, Alfven Mach number, and magnetosonic Mach number during different geomagnetic storms of solar cycles 23, 24, and 25. In addition, we employ measurements of the solar wind’s flow pressure, proton density, inter
Externí odkaz:
https://doaj.org/article/bd42fc43d180466b9e0d6c16f15c3065
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 10 (2023)
Externí odkaz:
https://doaj.org/article/2eecf4a0277b4e78894bd37d2c4b1e89
Autor:
Munawar Shah, Ayesha Abbas, Muhsan Ehsan, Andres Calabia, Binod Adhikari, M. Tariq, Junaid Ahmed, Jose Francisco de Oliveira-Junior, Jianguo Yan, Angela Melgarejo-Morales, Punyawi Jamjareegulgarn
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 261-269 (2022)
The ionospheric storm time responses during August 2018 are investigated over South American region using multiple observables, for example, Global Navigation Satellite System (GNSS) derived vertical total electron content (VTEC) from International G
Externí odkaz:
https://doaj.org/article/28ec8ad256374422bb08e9fd229c74c3
Autor:
Andrés Cala
Publikováno v:
Current History. 99:56-59
Manuel Marulanda, the head of the Revolutionary Armed Forces of Colombia, “may become the unlikely head of the first leftist guerrilla movement to achieve success in the post–cold war era… .”
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd1104675214544989126aa5f4428064
https://doi.org/10.1525/curh.2000.99.634.56
https://doi.org/10.1525/curh.2000.99.634.56
Autor:
Michael J. Economides, Andrés Cala
High oil prices are bound to undermine the U.S. economic recovery, unless global supplies increase significantly. Latin America holds the world's biggest oil reserves after the Middle East, but politics are hindering its potential, especially in Vene
Publikováno v:
Geoscience Letters, Vol 8, Iss 1, Pp 1-15 (2021)
Abstract In recent years, signal of opportunity reflectometry (SoOp-R) has become a promising remote sensing technique. This emerging technique employs the reflected signals from existing Global Navigation Satellite System (GNSS) or communication sat
Externí odkaz:
https://doaj.org/article/571e28ec575c4facb23e611019a471de
Autor:
Rasim Shahzad, Munawar Shah, M. Arslan Tariq, Andres Calabia, Angela Melgarejo-Morales, Punyawi Jamjareegulgarn, Libo Liu
Publikováno v:
Remote Sensing, Vol 15, Iss 10, p 2687 (2023)
We analyze vertical total electron content (vTEC) variations from the Global Navigation Satellite System (GNSS) at different latitudes in different continents of the world during the geomagnetic storms of June 2015, August 2018, and November 2021. Th
Externí odkaz:
https://doaj.org/article/ab6a892f60f3414aa747c28dd7dba29d
Publikováno v:
Remote Sensing, Vol 14, Iss 14, p 3262 (2022)
The reflection of Global Navigation Satellite Systems (GNSS) signals, namely GNSS-Reflectometry (GNSS-R), has recently proven to be able to monitor land surface properties in the microwave spectrum, at a global scale, and with very low revisiting tim
Externí odkaz:
https://doaj.org/article/2b94ea6c059d406a9d8e4d71e4dfa59b
Autor:
Ariel Chernomoretz, Manuel Balparda, Laura La Grutta, Andres Calabrese, Gustavo Martinez, Maria Soledad Escobar, Gustavo Sibilla
Publikováno v:
Forensic Science International: Reports, Vol 2, Iss , Pp 100132- (2020)
GENis is an open source multi-tier information system developed to run a forensic DNA database at local, regional and national levels.11 Fundación Sadosky holds all rights over GENis software and authorizes the publication of this article. It was co
Externí odkaz:
https://doaj.org/article/478591a07ac047caa255d8804d5d03bc
Autor:
Andres Calabia, Chukwuma Anoruo, Munawar Shah, Christine Amory-Mazaudier, Yury Yasyukevich, Charles Owolabi, Shuanggen Jin
Publikováno v:
Atmosphere, Vol 13, Iss 4, p 518 (2022)
The ionospheric response and the associated mechanisms to geomagnetic storms are very complex, particularly during the February 2014 multiphase geomagnetic storm. In this paper, the low-latitude ionosphere responses and their coupling mechanisms, dur
Externí odkaz:
https://doaj.org/article/729e7a9f2ac04b248fe6c6c0b1050c0f