[PDF] Top 20 Rev. Bras. Geof. vol.25 número4
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Rev. Bras. Geof. vol.25 número4
... Harmonic analysis of the current field inside the BTS (Tables 5 and 6) shows vector Form numbers smaller than 0.19, which characterize the tidal currents as semi-diurnal (Pond & Pick[r] ... See full document
25
Rev. Bras. Geof. vol.25 número4
... Este trabalho visa estimar a variac¸˜ao da massa de ´agua em um per´ıodo de dois anos a partir dos dados do GRACE no aq¨u´ıfero Guarani; esta variac¸˜ao engloba todas as mudanc¸as de gra[r] ... See full document
1
Rev. Bras. Geof. vol.25 número4
... levantamentos geof´ısicos utilizando-se os m´etodos da eletrorresistividade e an´alises hidroqu´ımicas em ´area localizada no P´olo Industrial de Cubat˜ao – ... See full document
1
Rev. Bras. Geof. vol.25 número4
... This thesis is about the gravity and magnetic anisotropy survey on Cana Brava (CCB), Niquelˆandia (CNQ) and Barro Alto mafic-ultramafic complexes, and associated volcano-sedimentary succ[r] ... See full document
1
Rev. Bras. Geof. vol.25 suppl.2
... neutral collision frequency (see Schunk & Nagy, 2000). A local perturbation in the plasma can grow linearly and take the form of a plasma bubble that may eventually grow further and rise upwards due to buoyant forces ... See full document
15
Rev. Bras. Geof. vol.25 suppl.2
... We have developed a local ionospheric conductivity model for the Brazilian equatorial E-region based on a constant neutral atmosphere model and on an empirical electron densities mo- del[r] ... See full document
8
Rev. Bras. Geof. vol.25 suppl.2
... Type I waves are moving at a speed that usually so closely approaches the ion-acoustic speed of the medium, no matter what the ambient electric field might be, that it has become an acce[r] ... See full document
9
Rev. Bras. Geof. vol.25 suppl.2
... Finally, we have seen that applying incoherent integrations to the obser- vational radar spectra of type 1 equatorial electrojet irregularities means to increase the percentage of right [r] ... See full document
9
Rev. Bras. Geof. vol.25 suppl.1
... RESUMO. Dados de batimetria de 12 kHz e anomalias magn´eticas do fundo oceˆanico foram empregados para calcular anomalias de profundidades na cordilheira mesoceˆanica entre as Ilhas de Ascens˜ao e St. Helena. A ... See full document
8
Rev. Bras. Geof. vol.25 suppl.2
... Electron Density height profiles estimated from different ty- pes of experiments namely a High Frequency capacitance probe, a Langmuir probe and a Plasma Frequency Probe during the occur[r] ... See full document
14
Rev. Bras. Geof. vol.25 suppl.2
... He developed during three years (2003-2005) activities of Undergraduate Research, studying the relationships between geomagnetic variations observed at the Earth’s surface and the Earth-[r] ... See full document
4
Rev. Bras. Geof. vol.25 suppl.2
... During the October 2003 disturbed period, the storm indu- ced eastward magnetospheric electric field that penetrated to the magnetic equator on the 29/30 and 30/31 nights and intensified[r] ... See full document
8
Rev. Bras. Geof. vol.25 suppl.2
... Here we present some recent results on gravity wave seasonal anisotropy obtained using all-sky (ASI) monochromatic imagers and novel measurements of seasonal temperature variability in t[r] ... See full document
10
Rev. Bras. Geof. vol.25 suppl.2
... In this work we have used Multitaper spectral analysis on the cos- mic ray Newark’s neutron monitor and S˜ao Martinho da Serra’s muon telescope data, and we could verify the efficiency o[r] ... See full document
5
Rev. Bras. Geof. vol.25 suppl.2
... Jairo Francisco Savian is a Physics Undergraduate student, attending the ninth semester, at the Federal University of Santa Maria (UFSM), is a trainee and currently is developing his fou[r] ... See full document
5
Rev. Bras. Geof. vol.25 suppl.2
... Fast forward interplanetary shocks (FFS) are characterized by positive jump in all interplanetary plasma parameters (solar wind speed, temperature and density) and interplanetary magneti[r] ... See full document
5
Rev. Bras. Geof. vol.23 número4
... Results of geothermal studies carried out at 72 localities have been used in evaluation of temperature gradient and heat flow values of the upper crust in the state of Rio de Janeiro.. T[r] ... See full document
23
Rev. Bras. Geof. vol.23 número4
... obtained by Leandro (1999): 33.8 (standard deviation = 1.2) on the surface and 35.4 (standard deviation = 0.8) in the bottom, it can be concluded that the salinities generated by the mod[r] ... See full document
19
Rev. Bras. Geof. vol.23 número4
... Reflex˜oes m´ultiplas de longo per´ıodo produzidas entre a superf´ıcie livre e a discordˆancia Cret´aceo-Paleoz´oica, a baixa resoluc¸˜ao da onda s´ısmica nas proximidades do reservat´or[r] ... See full document
1
Rev. Bras. Geof. vol.23 número4
... Thus, here we present the geomagnetic fields due to a two-dimensional structure that possess oblique strike in relation to Equatorial Electrojet, through profiles of the electric and mag[r] ... See full document
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