%0 Journal Article %@holdercode {isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S} %@nexthigherunit 8JMKD3MGPCW/3ETL868 8JMKD3MGPCW/3EUFCFP %X We analyze the daytime efficiency of the interplanetary electric field (IEF) penetration to the equatorial ionosphere based on a correlation analysis carried out between different levels of decomposition applied to IEF intensity measured at the ACE spacecraft and ionospheric electric field intensity inferred from ground based magnetometers located in the equatorial region in Brazil. We compare the time variations of those two electric field intensities by means of a scale-by-scale decomposed time series through wavelet multi-resolution analysis. Efficiency is here defined as the fraction of the variation of the IEF intensity that has penetrated into the equatorial region, and it increases with increasing fraction. Two cases of prompt penetration electric fields (PPEF) are analyzed: one occurring on March 31, 2001, and other on April 17, 2002. Our results show that the penetration effect with time scale ranging around 1 h is maximized in relation to other scales. %@mirrorrepository sid.inpe.br/mtc-m19@80/2009/08.21.17.02.53 %8 July %N 11-12 %T Daytime efficiency and characteristic time scale of interplanetary electric fields penetration to equatorial latitude ionosphere %@secondarytype PRE PI %K Space weather, Interplanetary electric fields, Prompt penetration, Low latitude. %@archivingpolicy denypublisher denyfinaldraft24 %@usergroup administrator %@usergroup marciana %@usergroup tereza@sid.inpe.br %@group DAE-CEA-INPE-MCT-BR %@group CRS-CCR-INPE-MCT-BR %@group DAE-CEA-INPE-MCT-BR %@group DAE-CEA-INPE-MCT-BR %@group %@group DAE-CEA-INPE-MCT-BR %@group DAE-CEA-INPE-MCT-BR %@group DAE-CEA-INPE-MCT-BR %@e-mailaddress tereza@sid.inpe.br %@secondarykey INPE--PRE/ %@secondarymark B2_ASTRONOMIA_/_FÍSICA B1_CIÊNCIAS_BIOLÓGICAS_I B1_ECOLOGIA_E_MEIO_AMBIENTE B1_ENGENHARIAS_IV B1_GEOCIÊNCIAS A2_INTERDISCIPLINAR %@issn 1364-6826 %2 sid.inpe.br/mtc-m19/2011/01.07.16.39.20 %@affiliation Instituto Nacional de Pesquisas Espaciais (INPE) %@affiliation Instituto Nacional de Pesquisas Espaciais (INPE) %@affiliation Instituto Nacional de Pesquisas Espaciais (INPE) %@affiliation Instituto Nacional de Pesquisas Espaciais (INPE) %@affiliation %@affiliation Instituto Nacional de Pesquisas Espaciais (INPE) %@affiliation Instituto Nacional de Pesquisas Espaciais (INPE) %@affiliation Instituto Nacional de Pesquisas Espaciais (INPE) %@project CNPq (305923/2008-0, 470553/2009-0, and 301035/2009-1); CAPES 132668/2008-4, 102033/2008-0, 130497/2009-6 %B Journal of Atmospheric and Solar-Terrestrial Physics %@versiontype publisher %P 1555-1559 %4 sid.inpe.br/mtc-m19/2011/01.07.16.39 %@documentstage not transferred %D 2011 %V 73 %@doi 10.1016/j.jastp.2010.09.003 %A Denardini, C. M., %A Aveiro, H. C., %A Almeida, P. D. S. C., %A Resende, L. C. A., %A Guizelli, L. M., %A Moro, J., %A Sobral, J. H. A., %A Abdu, M. A., %@dissemination WEBSCI; PORTALCAPES; AGU; MGA; COMPENDEX. %@area CEA