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Interplanetary causes and low-latitude geomagnetic response of intense geomagnetic storms in solar cycle 24

Grant number: 12/12049-1
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): May 01, 2013
Effective date (End): February 26, 2016
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geophysics
Principal Investigator:Ezequiel Echer
Grantee:Rashmi Rawat
Host Institution: Instituto Nacional de Pesquisas Espaciais (INPE). Ministério da Ciência, Tecnologia e Inovação (Brasil). São José dos Campos , SP, Brazil


The main objective of this project is to study the solar wind-interplanetary causes and low latitude geomagnetic response of intense geomagnetic storms in solar cycle 24. To do so we will use statistical analysis of the distribution of intense storms in solar cycle 23 and current solar cycle 24 and investigate several storms as case studies. To achieve the above objective we will perform the following steps: statistical study of the storm distribution with solar cycle; study of the origin of geomagnetic storms during solar cycle 24 analyzing data from interplanetary plasma and magnetic field of several satellites and computing the correlation and cross-coupling of energy; study the geomagnetic field effects through the behavior of indices (SYMH, ASYH, AE); study of the influence of solar wind and interplanetary parameters on the ground field variations.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SINGH, ANAND K.; RAWAT, R.; PATHAN, B. M.. On the UT and seasonal variations of the standard and SuperMAG auroral electrojet indices. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 118, n. 8, p. 5059-5067, . (12/12049-1)
RAWAT, RASHMI; ECHER, E.; GONZALEZ, W. D.. How Different Are the Solar Wind-Interplanetary Conditions and the Consequent Geomagnetic Activity During the Ascending and Early Descending Phases of the Solar Cycles 23 and 24?. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 123, n. 8, p. 6621-6638, . (12/12049-1)

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