On the quasi-biennial oscillation (QBO) signal in the foF2 ionospheric parameterECHER, E.Journal of atmospheric and solar-terrestrial physics. 2007, Vol 69, Num 4-5, pp 621-627, issn 1364-6826, 7 p.Article

Foreshock and magnetosheath waves at Uranus and Neptune studied with wavelet analysisECHER, E.Advances in space research. 2009, Vol 44, Num 9, pp 1030-1037, issn 0273-1177, 8 p.Article

Multi-resolution analysis of global total ozone column during 1979-1992 Nimbus-7 TOMS periodECHER, E.Annales geophysicae (1988). 2004, Vol 22, Num 5, pp 1487-1493, issn 0992-7689, 7 p.Article

Geoeffectiveness of interplanetary shocks, magnetic clouds, sector boundary crossings and their combined occurrenceECHER, E; GONZALEZ, W. D.Geophysical research letters. 2004, Vol 31, Num 9, pp L09808.1-L09808.4, issn 0094-8276Article

Phase shift (time) between storm-time maximum negative excursions of geomagnetic disturbance index D_st and interplanetary B_zKANE, R. P; ECHER, E.Journal of atmospheric and solar-terrestrial physics. 2007, Vol 69, Num 9, pp 1009-1020, issn 1364-6826, 12 p.Article

A study on the peak Dst and peak negative Bz relationship during intense geomagnetic stormsGONZALEZ, W. D; ECHER, E.Geophysical research letters. 2005, Vol 32, Num 18, pp L18103.1-L18103.4, issn 0094-8276Article

Asymmetry in the Rosenberg-Coleman effect around solar minimum revealed by wavelet analysis of the interplanetary magnetic field polarity data (1927-2002)ECHER, E; SVALGAARD, L.Geophysical research letters. 2004, Vol 31, Num 12, pp L12808.1-L12808.4, issn 0094-8276Article

Interplanetary conditions leading to superintense geomagnetic storms (Dst ≤ -250 nT) during solar cycle 23 : Large geomagnetic storms of solar cycle 23ECHER, E; GONZALEZ, W. D; TSURUTANI, B. T et al.Geophysical research letters. 2008, Vol 35, Num 6, issn 0094-8276, L06503.1-L06503.5Article

The solar and interplanetary causes of the recent minimum in geomagnetic activity (MGA23): a combination of midlatitude small coronal holes, low IMF B_z variances, low solar wind speeds and low solar magnetic fieldsTSURUTANI, B. T; ECHER, E; GONZALEZ, W. D et al.Annales geophysicae (1988). 2011, Vol 29, Num 5, pp 839-849, issn 0992-7689, 11 p.Article

The interplanetary magnetic decrease automatic detection (IMDAD) codeGUARNIERI, F. L; TSURUTANI, B. T; ECHER, E et al.Earth, planets and space. 2009, Vol 61, Num 5, pp 585-588, issn 1343-8832, 4 p.Article

Geoeffectiveness of corotating interaction regions as measured by Dst index : Corotating solar wind streams and recurrent geomagnetic activityALVES, M. V; ECHER, E; GONZALEZ, W. D et al.Journal of geophysical research. 2006, Vol 111, Num A7, issn 0148-0227, A07S05.1-A07S05.9Article

A statistical study of magnetic cloud parameters and geoeffectivenessECHER, E; ALVES, M. V; GONZALEZ, W. D et al.Journal of atmospheric and solar-terrestrial physics. 2005, Vol 67, Num 10, pp 839-852, issn 1364-6826, 14 p.Article

Interplanetary origins of moderate (-100 nT < Dst ≤ -50 nT) geomagnetic storms during solar cycle 23 (1996-2008)ECHER, E; TSURUTANI, B. T; GONZALEZ, W. D et al.Journal of geophysical research. Space physics. 2013, Vol 118, Num 1, pp 385-392, 8 p.Article

Forward and reverse CIR shocks at 4—5 AU: UlyssesECHER, E; TSURUTANI, B. T; GUARNIERI, F. L et al.Advances in space research. 2010, Vol 45, Num 6, pp 798-803, issn 0273-1177, 6 p.Article

The response of the polar cusp to a high-speed solar wind stream studied by a multispacecraft wavelet analysis : Magnetospheric Response to Solar Wind DiscontinuitiesKORTH, A; ECHER, E; ZONG, Q.-G et al.Journal of atmospheric and solar-terrestrial physics. 2011, Vol 73, Num 1, pp 52-60, issn 1364-6826, 9 p.Article

Interplanetary fast forward shocks and their geomagnetic effects: CAWSES eventsECHER, E; TSURUTANI, B. T; GUARNIERI, F. L et al.Journal of atmospheric and solar-terrestrial physics. 2011, Vol 73, Num 11-12, pp 1330-1338, issn 1364-6826, 9 p.Conference Paper

Interplanetary conditions causing intense geomagnetic storms (Dst <-100 nT) during solar cycle 23 (1996-2006)ECHER, E; GONZALEZ, W. D; TSURUTANI, B. T et al.Journal of geophysical research. 2008, Vol 113, Num A5, issn 0148-0227, A05221.1-A05221.16Article

Interplanetary origin of intense geomagnetic storms (Dst < -100 nT) during solar cycle 23GONZALEZ, W. D; ECHER, E; CLUA-GONZALEZ, A. L et al.Geophysical research letters. 2007, Vol 34, Num 6, issn 0094-8276, L06101.1-L06101.4Article

Sun-earth relationship inferred by tree growth rings in conifers from Severiano De Almeida, Southern BrazilPRESTES, A; RIGOZO, N. R; NORDEMANN, D. J. R et al.Journal of atmospheric and solar-terrestrial physics. 2011, Vol 73, Num 11-12, pp 1587-1593, issn 1364-6826, 7 p.Conference Paper

Multi-resolution analysis of global surface air temperature and solar activity relationshipSOUZA ECHER, M. P; ECHER, E; NORDEMANN, D. J. R et al.Journal of atmospheric and solar-terrestrial physics. 2009, Vol 71, Num 1, pp 41-44, issn 1364-6826, 4 p.Article

Principal components and iterative regression analysis of geophysical series : Application to Sunspot number (1750-2004)NORDEMANN, D. J. R; RIGOZO, N. R; DE SOUZA ECHER, M. P et al.Computers & geosciences. 2008, Vol 34, Num 11, pp 1443-1453, issn 0098-3004, 11 p.Article

Long-term correlation between solar and geomagnetic activityECHER, E; GONZALEZ, W. D; GONZALEZ, A. L. C et al.Journal of atmospheric and solar-terrestrial physics. 2004, Vol 66, Num 12, pp 1019-1025, issn 1364-6826, 7 p.Article

Solar cycle dependence of High-Intensity Long-Duration Continuous AE Activity (HILDCAA) events, relativistic electron predictors?HAJRA, R; ECHER, E; TSURUTANI, B. T et al.Journal of geophysical research. Space physics (Print). 2013, Vol 118, Num 9, pp 5626-5638, issn 2169-9380, 13 p.Article

Statistical studies of geomagnetic storms with peak Dst ≤ - 50 nT from 1957 to 2008ECHER, E; GONZALEZ, W. D; TSURUTANI, B. T et al.Journal of atmospheric and solar-terrestrial physics. 2011, Vol 73, Num 11-12, pp 1454-1459, issn 1364-6826, 6 p.Conference Paper

Comment on: Interplanetary conditions leading to superintense geomagnetic storms (Dst ≤ -250 nT) during solar cycle 23 by E. Echer et al. Authors' replyCID, C; SAIZ, E; CERRATO, Y et al.Geophysical research letters. 2008, Vol 35, Num 21, issn 0094-8276, L21107.1-L21108.3Article