[PDF] Top 20 Rev. Bras. Geof. vol.17 número23
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Rev. Bras. Geof. vol.17 número23
... These terms are associated with temperature varia- tions on the satellite’s surface due to its movement around the thermal energy source and allow the simultaneous application of these t[r] ... See full document
12
Rev. Bras. Geof. vol.17 número23
... Para o estudo da variação de amplitude dos QDs do período analisado, foram escolhidos três QDs do início do mesmo período (1989), um para cada antena, os quais foram submetidos a um alis[r] ... See full document
23
Rev. Bras. Geof. vol.18 número3
... Apresentamos aqui o estado da arte das pesquisas de exploração e explotação dos recursos minerais marinhos nos diferentes ambientes geológicos, caracterizando também os estudos ambientai[r] ... See full document
2
Rev. Bras. Geof. vol.18 número3
... The Brazilian government through the Interministerial Commission for the Marine Resources (CIRM) is aware of this issue and established in 1997 the REMPLAC Program to evaluate the potent[r] ... See full document
2
Rev. Bras. Geof. vol.18 número2
... for the crustal structure at 32° S latitude. This model takes into account: 1) a velocity model derived from seismic data (Cominguez, 1989, Pardo & Fuenzalida, 1988), and the ne[r] ... See full document
10
Rev. Bras. Geof. vol.18 número3
... The main mineral deposits of potential economic value that occur on and beneath the seafloor in the extended continental shelf areas are: placer deposit, phosphorites, evaporites, polyme[r] ... See full document
26
Rev. Bras. Geof. vol.18 número2
... In Part 1 of this paper (Helbig, 1998 - Rev. Bras. Geof. 16 (2–3):103–114) it was shown that a medium consisting of a periodic sequence of layers is, in the long-wavelength approximation, equivalent ... See full document
14
Rev. Bras. Geof. vol.18 número2
... Geochemical analyses showed that the Pampeano aquifer has bicarbonate sodium water, with an increase of electrical conductivity, sodium and bicarbonates contents at a local recharge zon[r] ... See full document
14
Rev. Bras. Geof. vol.19 número3
... The response function of NaI (Tl) detector is finally computed by convoluting the energy loss spectrum with a Gaussian function that simulates the energy resolution effects of both the s[r] ... See full document
12
Rev. Bras. Geof. vol.19 número3
... In order to evaluate the use of shallow seismic technique to delineate geological and geotechnical features up to 40 meters depth in noisy urban areas covered with asphalt pavement, five[r] ... See full document
10
Rev. Bras. Geof. vol.19 número3
... Por otra parte, luego del procesamiento inicial de las curvas de campo de SEV, consistente en le ejecución de los correspondientes empalmes, se procedió a delinear un Mapa de Tipos de Cu[r] ... See full document
16
Rev. Bras. Geof. vol.19 número2
... OI5577 and O 2 A(0-1) Airglow Intensity: The atomic oxygen green line (OI557.7 nm) comes from two emission layers, one from the ionospheric F2 layer (nearby 250 km) and the other from the upper mesosphere (around 97 km). ... See full document
8
Rev. Bras. Geof. vol.19 número1
... Itaiacoca Belt; 2: Serra das Pedras Quartzite and equivalent rocks; 3: Schists and gneisses; 4: Água Clara Formation; 5: Cunhaporanga Granitic Complex, 5a: Serra do Carambeí Granite, 5b:[r] ... See full document
16
Rev. Bras. Geof. vol.18 número1
... STUDY OF THE IONOSPHERIC PLASMA IRREGULARITY DRIFTS IN THE BRAZILIAN REGION - A detailed study of the zonal drift velocities of the ionospheric bubbles is carried out using experimental [r] ... See full document
6
Rev. Bras. Geof. vol.19 número3
... Full squares are RBG stations, full triangles the second order gravity network, crosses are the stations on bench marks, full circles the stations along the main rivers, full small trian[r] ... See full document
10
Rev. Bras. Geof. vol.19 número2
... In this work, we model the temperature variation (frequency variation) due to the Doppler effect and apply the new temperature distribution in the thermal re-emission model. The total fo[r] ... See full document
8
Rev. Bras. Geof. vol.19 número3
... Considerando a existência de equipamentos modernos e de capacitação de pessoal em institutos de pesquisa e universidades brasileiras em métodos magnetotelúricos, bem como o baixo custo d[r] ... See full document
16
Rev. Bras. Geof. vol.19 número2
... In this case, the cross-track component is null, the satellite spin axis lies on the orbital plane and the thermal energy source is the earth.. Figura 2 - Componentes radial e transvers[r] ... See full document
14
Rev. Bras. Geof. vol.18 número3
... A new view of marine minerals is emerging that links inorganic with organic processes and raises environmental issues.. On the continental shelf recovery of common materials comprising s[r] ... See full document
1
Rev. Bras. Geof. vol.19 número2
... Prediction of precipitation in northeast Brazil for boreal spring 1997 using an atmospheric GCM with persisted SST anomalies, Climate Prediction Center (CPC), Experimental Long-lead Fore[r] ... See full document
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