DOI: https://doi.org/10.22201/igeof.00167169p.2000.39.1

Publicado: 2000-01-01

Artículo

Examples of fast solar wind transients, their sources and the forecast of possible geomagnetic impact

D. Berdichevsky, J. G. Richardson, B. J. Thomspson, D. V. Reames, R. MacDowall, S. P. Plunkett, D. J. Michels, M. L. Kaiser, R. P. Lepping, K. W. Ogilvie, R. G. Stone

5-11

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Indirect determination of the energy spectra of particles precipitated in the lower ionosphere associated with solar proton events

Aracy Mendes da Costa

13-19

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Global ionospheric models in three dimensions from GPS measurements: Numerical simulation

Amalia Meza, Claudio Brunini, Alfred Kleusberg

21-27

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A model of a perturbed ionosphere using the auroral power as the input

E. A. Araujo-Pradere, T. J. Fuller-Rowell

29-36

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The event of 21 June 1980 and the origin of solar cosmic rays

Ramón E. Rodríguez Taboada, Roman Pérez Enríquez, Adolfo L. Méndez Berhondo

37-40

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Solar-cycle variations of interaction regions: in-ecliptic observations from 1 to 5 AU

J. Américo González-Esparza

41-46

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The solar dust ring

Dolores Maravilla

47-52

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Relationship between solar activity and myocardial infarctions in Mexico City

Blanca Mendoza, Rosa Díaz-Sandoval

53-56

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F3 layer observations at low and equatorial latitudes in Brazil

I. S. Batista, N. Balan, M. A. Abdu, Pacheco, P. F. Barbosa Neto

57-64

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The 3B/X3 solar flare of 27 February 1992

M. C. López Fuentes, C. H. Mandrini, M. G. Rovira, P. Démoulin

65-71

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Evolution and decay of an active region: Magnetic shear, flare and CME activity

C. H. Mandrini, L. van Driel-Gresztelyi, B. Thompson, S. Punkett, P. Démoulin, G. Aulanier

73-80

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Total ionospheric electron content from GPS measurements over the Brazilian region

I. J. Kantor, M. Fedrizzi, E. R. de Paula

81-85

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Solar-terrestrial response to large extension or long-duration solar gamma ray events

R. Pérez Enríquez, L. Miroshnichenko, R. E. Rodríguez Taboada, A. Méndez Berhondo

87-92

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Long-term changes in UV and EUV solar radiation

N. O. de Adler, A. G. Elias, T. Heredia

93-95

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Solar activity and climate in Central America

Esteban Araya, Javier Bonatti, Walter Fernández

97-101

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Response of the magnetosphere to perturbation by storms and Alfvén wave trains

Matías de la Vega, Alicia B. Favetto

103-107

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Negative phases at South-American stations during magnetic storms

X. T. Pincheira, I. S. Batista, M. A. Abdu, P. G. Richards

109-115

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F-Region electron density irregularities during the development of equatorial plasma bubbles

P. Muralikrishna

117-125

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Plasma diagnostic experiments on board of the Brazilian scientific microsatellite SACI-1

P. Muralikrishna, M. A. Abdu, J. H. A. Sobral , Koh-Ichiro Oyama

127-133

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Variations in cosmic radiation intensity associated with the barometric effect

Rogelio Caballero-Lopez, José Fco. Valdés-Galicia

135-137

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Magnetic field and plasma parameters for magnetic clouds in the interplanetary medium

A. Dal Lago, W. D. Gonzalez, A. L. C. de Gonzalez, B. T. Tsurutani

139-142

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Autoprediction of Dst index using neural network techniques and relationship to the auroral geomagnetic indices

M. V. Stepanova, P. Pérez

143-146

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Solar imaging capabilities of the Brazilian decimetric array

E. Lüdke, H. S. Sawant, K. R. Subramanian, F. C. R. Fernandes, J. R. Cecatto, R. R. Rosa, J. H. A. Sobral, G. Swarup, W. D. Gonzalez, C. E. Moron, M. L. Mucheroni

147-152

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