Category Archives: IJG

International Journal of Geosciences

Residual Magnetic Anomalies Mapping from CHAMP Observations

Author(s): M. C. Berguig, S. Bouraoui, Y. Cohen ABSTRACT CHAMP high-quality vector magnetometer observations collected from July 2000 to September 2010 have been used to map the residual vector magnetic anomaly fields. This field is so called the lithospheric magnetic … Continue reading

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Characteristics and Causes of Disastrous Debris Flows on July 4, 2013, in Shimian County, Sichuan, China

Author(s): Yonggang Ge, Fenghuan Su ABSTRACT Debris flow is an abrupt phenomenon of earth surface movement and typical disaster in mountainous areas with steep terrace, quantity of loose soil and abundant surface runoff. Intense rainfall and rainstorm easily triggered debris … Continue reading

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The Role of the Southern Hemisphere Polar Cell on Antarctic Sea Ice Variability

Author(s): Praveen Rao Teleti, Alvarinho J. Luis ABSTRACT The study explores modes of variability in the Southern Polar Cell and their relationship with known global climate modes and Antarctic sea ice. It is found that Polar Cell is barotropic in … Continue reading

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Atypical Variations of Water Conductivity Prior to Tectonic Earthquakes

Author(s): Fidel Martínez-García, Arturo Colín-Cruz, Salvador Adame-Martínez, Jorge J. Ramírez-García ABSTRACT Within the framework of precursor events related to earthquakes, this paper analyzes the possible effect on the aquatic environment of the surrounding energy that accompanies earthquakes, particularly in the … Continue reading

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Application of Commensurability in Earthquake Prediction

Author(s):Youjin Su1, Hui Hu ABSTRACT This article introduces application of the expanding commensurability in earthquake prediction. The results show that most of the world’s major earthquake occurred at their commensurable points of time axis. An EQ 7.0 occurred in Lushan … Continue reading

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Statistical Study of foF2 Diurnal Variation at Dakar Station from 1971 to 1996: Effect of Geomagnetic Classes of Activity on Seasonal Variation at Solar Minimum and Maximum

Author(s): Ali Mahamat Nour, Ouattara Frédéric, Zerbo Jean Louis, Gyébré Aristide Marie Frédéric, Nanéma Emmanuel, Zougmoré François Abstract The statistical study of F2 layer critical frequency at Dakar station from 1971 to 1996 is carried out. This paper shows foF2 statistical … Continue reading

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Petrology of the Volcanic Rocks from Bioko Island (“Cameroon Hot Line”)

Author(s): Fadimatou Ngounouno Yamgouot, Bernard Déruelle, Isaac Bertrand Gambie Mbowou, Ismaïla Ngounouno Abstract Bioko island (3008 m a.s.l.), is composed of the alkaline basaltic lavas (basalts and hawaiites) with xenoliths. These lavas have a microlitic texture and consisted of euhedral to … Continue reading

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Earth Versus Humans

Author:Reginald R. Muskett In the 1950s science fiction movie “Earth Versus The Flying Saucers,” the Earth is beset by an invading army from an alien world whose inhabitants having depleted their own natural resources sought to colonize Earth and enslave … Continue reading

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