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Study of geoeffective interplanetary structures during intense geomagnetic storms and substorms


For time intervals with intense geomagnetic activity during solar cycle 23, we are interested to study the geoeffective interplanetary structures that were responsible for the development of intense storms and substorms, as well as the solar wind parameters that mostly characterizeded such interplanetary structures.For this aim, we plan to use satellite obsevations near the magnetosphere through already existing collaboration with several foreign research groups. We will also use interplanetary-magnetosphere interaction models in order to describe the external and internal magnetospheric response to the passage of such interplanetary structures. (AU)

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Scientific publications (6)
(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)
ALVES, M. V.; ECHER, E.; GONZALEZ, W. D.. Geoeffectiveness of solar wind interplanetary magnetic structures. JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS, v. 73, n. 11-12, SI, p. 1380-1384, . (08/06650-9)
ECHER, E.; GONZALEZ, W. D.; TSURUTANI, B. T.. Statistical studies of geomagnetic storms with peak Dst <=-50 nT from 1957 to 2008. JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS, v. 73, n. 11-12, SI, p. 1454-1459, . (08/06650-9)
ECHER, E.; TSURUTANI, B. T.; GONZALEZ, W. D.; KOZYRA, J. U.. High Speed Stream Properties and Related Geomagnetic Activity During the Whole Heliosphere Interval (WHI): 20 March to 16 April 2008. SOLAR PHYSICS, v. 274, n. 1-2, p. 303-320, . (08/06650-9)
ECHER, E.; ZARKA, P.; GONZALEZ, W. D.; MORIOKA, A.; DENIS, L.. Solar wind effects on Jupiter non-Io DAM emissions during Ulysses distant encounter (2003-2004). Astronomy & Astrophysics, v. 519, . (08/06650-9)
GONZALEZ, WALTER D.; ECHER, EZEQUIEL; TSURUTANI, BRUCE T.; CLUA DE GONZALEZ, ALICIA L.; DAL LAGO, ALISSON. Interplanetary Origin of Intense, Superintense and Extreme Geomagnetic Storms. SPACE SCIENCE REVIEWS, v. 158, n. 1, p. 69-89, . (08/06650-9)

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