Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-25T19:35:29Z No. of bitstreams: 1 NadjaCruzFerraz_DISSERT.pdf: 13420036 bytes, checksum: 48407aa7c5a58850e36ef79776b6b80c (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-07-29T20:32:49Z (GMT) No. of bitstreams: 1 NadjaCruzFerraz_DISSERT.pdf: 13420036 bytes, checksum: 48407aa7c5a58850e36ef79776b6b80c (MD5) / Made available in DSpace on 2016-07-29T20:32:49Z (GMT). No. of bitstreams: 1 NadjaCruzFerraz_DISSERT.pdf: 13420036 bytes, checksum: 48407aa7c5a58850e36ef79776b6b80c (MD5) Previous issue date: 2015-08-20 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / A Sequ?ncia Mesodevoniana-Eocarbon?fera da Bacia do Parna?ba, litoestratigraficamente definida como Grupo Canind?, foi reinterpretada empregando-se o modelo b?sico da estratigrafia de sequ?ncias. Para tanto, foram analisados perfis litol?gicos e de raios gama de po?os e linhas s?smicas da regi?o central da bacia, elaborando-se a partir da? diagramas 1D, mapas de is?coras e uma se??o estratigr?fica. Como resultados deste trabalho, foram definidos dois ciclos deposicionais de segunda ordem, referidos como Sequ?ncia Deposicional 1 (SEQ1) e Sequ?ncia Deposicional 2 (SEQ2). A SEQ1, com cerca de 37 Ma, ? limitada abaixo pela Discord?ncia Eodevoniana e equivale ?s forma??es Itaim, Pimenteiras e Cabe?as. A SEQ1 se inicia com o Trato de Sistemas de N?vel Baixo, constitu?do por conjuntos de parassequ?ncias progradacionais em que a parte basal, predominantemente pel?tica, depositou-se em um contexto de prodelta sob influ?ncia de tempestades e a superior ? composta por arenitos de frente deltaica, tendo como limite superior a superf?cie regressiva m?xima. O Trato de Sistemas Transgressivo, depositado acima, ? caracterizado por conjuntos de parassequ?ncias retrogradacionais, compostos predominantemente por pelitos de plataforma rasa, depositados sob a??o de tempestades. A superf?cie transgressiva m?xima, limite superior deste trato, ? posicionada em um n?vel de folhelho cuja radiatividade no perfil de raios gama ? pr?xima a 150 API. O Trato de Sistemas de N?vel Alto apresenta conjuntos de parassequ?ncias progradacionais, compostos por pelitos e arenitos depositados em ambientes plataformal, fl?vio-estuarino e periglacial, tendo como limite superior a Discord?ncia Neodevoniana. A SEQ2, que se segue, compreende um intervalo de cerca de 15 Ma e equivale ? Forma??o Long?. A mesma foi depositada em ambiente plataformal, iniciando com o Trato de Sistemas de N?vel Baixo, caracterizado por um conjunto de parassequ?ncias progradacional, seguido do Trato de Sistemas Transgressivo, de car?ter retrogradacional. O limite superior deste trato corresponde ? superf?cie transgressiva m?xima ou ainda, a fus?o desta superf?cie com o limite de sequ?ncia, que constitui a Discord?ncia Eocarbon?fera, onde a se??o sobreposta foi erodida. Tal se??o, que corresponde ao Trato de Sistemas de N?vel Alto, ? restrita ?s por??es em que a eros?o que originou a Discord?ncia Eocarbon?fera foi menos efetiva, preservando os registros desta unidade. / The Middle Devonian-Early Carboniferous sequence of the Parna?ba Basin, lithostratigraphically defined as Canind? Group, has been reinterpreted using the basic model of sequence stratigraphy. Therefore, lithology and gamma ray well-logs and seismic lines of central portion of the basin were analyzed, producing up from there diagrams 1D, isochore maps and stratigraphic sections. As results of this study, were defined two depositional cycles of second order, referred as Depositional Sequence 1 (SEQ1) and the Depositional Sequence 2 (SEQ2). The SEQ1, with interval about 37 Ma, is limited below by Early Devonian Unconformity and is equivalent to the formations Itaim, Pimenteiras and Cabe?as. The SEQ2, which follows, comprises a range of about 15 Ma and is equivalent to the Long? Formation The SEQ1 starts with the lowstand systems tract, consisting of progradational parasequence set in the basal part, predominantly pelitic, deposited on a prodelta under influence of storms and the upper part consists in sandstones of deltaic front, with the maximum regressive surface on the upper limit. The transgressive systems tract, deposited above, is characterized by retrogradacional parasequence set composed of shallow shelf mudstones, deposited under storm conditions. The maximum flooding surface, upper limit of this tract, is positioned in a shale level whose radioactivity in gammaray well-log is close to 150 API. The highstand systems tract presents progradational parasequence set, comprising mudstones and sandstones deposited in shelf, fluvial-estuarine or deltaic and periglacial environments, with the upper limit the Late Devonian Unconformity. The SEQ2 was deposited in shelf environment, starting with the lowstand systems tract, that is characterized by a progradational parasequence set, followed by the transgressive systems tract, with retrogradational character. The upper limit of the tract corresponding to the fusion between maximum flooding surface with the upper limit of this sequence, which is the Early Carboniferous Unconformity, where the overlapping section was eroded. This section, which corresponds the highstand systems tract is restricted to portions at which the erosion that generate the Early-Carboniferous Unconformity was less effective, preserving the records of this unit.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-25T19:35:25Z No. of bitstreams: 1 RafaelaDaSilvaAlves_DISSERT.pdf: 19927301 bytes, checksum: 8c1484fa0f5034747a0216799c271cc8 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-01T18:59:08Z (GMT) No. of bitstreams: 1 RafaelaDaSilvaAlves_DISSERT.pdf: 19927301 bytes, checksum: 8c1484fa0f5034747a0216799c271cc8 (MD5) / Made available in DSpace on 2016-08-01T18:59:08Z (GMT). No. of bitstreams: 1 RafaelaDaSilvaAlves_DISSERT.pdf: 19927301 bytes, checksum: 8c1484fa0f5034747a0216799c271cc8 (MD5) Previous issue date: 2015-08-21 / A ?rea de estudo est? inserida na Bacia Hidrogr?fica do Rio Pirangi, litoral Oriental do Estado do Rio Grande do Norte, onde est? situada a cidade de Parnamirim. Abrange uma superf?cie de 370 Km?. A expans?o urbana do munic?pio de Parnamirim tem se desenvolvido de forma muito acelerada sem uma estrutura adequada, notadamente pela aus?ncia de rede esgotos, com riscos de contamina??o das ?guas subterr?neas podendo causar s?rios danos ? sa?de p?blica. As ?guas subterr?neas do Sistema Aqu?fero Barreiras na ?rea de interesse constituem a principal fonte de suprimento h?drico das popula??es urbanas e rurais. O uso da ?gua subterr?nea ? feito sem planejamento adequado e assim, importantes ?reas de recarga est?o sendo ocupadas. O presente estudo foi desenvolvido para a quantifica??o do uso e avalia??o das potencialidades das ?guas subterr?neas, tendo em vista o aumento da oferta de ?gua de boa qualidade e com menores riscos de serem afetadas por atividades contaminantes. Com estes objetivos, foram desenvolvidas as seguintes atividades: cadastro de 268 pontos d??gua; caracteriza??o da litologia, espessuras e estrutura hidrogeol?gica do aqu?fero Barreiras, com base na correla??o de perfis de po?os; e, avalia??o de par?metros hidrodin?micos do aqu?fero, a partir da interpreta??o de resultados de testes de bombeamento de po?os. Verificou-se que a espessura saturada cresce de oeste para leste em dire??o ao mar, com valores que variam de 15,47 a 56,5 m, com m?dia de 32,45 m. Os par?metros hidrodin?micos, obtidos com aplica??o do m?todo de Cooper-Jacob foram: transmissividade m?dia de 5,9x10-3 m?/s e a condutividade hidr?ulica m?dia de 2,82x10-4 m/s. A porosidade espec?fica ? de 15%, obtida com aplica??o da equa??o Biecinski. O mapa potenciom?trico mostra a dire??o principal do fluxo subterr?neo, de oeste para leste, e permite identificar as zonas de recarga correspondentes a regi?o dos tabuleiros do ?Barreiras?. Os vales dos rios referem-se ?s zonas de descarga do sistema aqu?fero. A Recarga foi estimada em 253 mm/ano, que corresponde ? taxa de infiltra??o de 16,4%. / The study area is within the Pirangi River Basin, eastern sector of Rio Grande do Norte state, where is located of the Parnamirim city. It has an area of approximately 370 km?. Urbanization has developed much fast without an appropriate infrastructure, mainly by the lack of sewage systems, with risks of contamination of groundwater that may cause serious damage to the health of the population. The Barreiras Aquifer System groundwater in the area represents the main source of water supply for urban and rural populations. The use of groundwater occurs without adequate planning and therefore, important recharge areas are being occupied. This study was conducted to quantify the use and evaluation of the potential of groundwater, in order to increase good water quality supply and lower risks of being affected by polluting activities. With these objectives, the following activities were carried out: 268 points of water have been registered; characterization of the lithological, thickness and hydrogeological structure of the Barreiras aquifer, based on the correlation of well logs; and evaluation of hydrodynamic parameters of the aquifer, from the interpretation of results well pumping tests. It was found that the saturated thickness increases from west to east towards the sea, with values ranging from 15,47-56,5 m with an average of 32,45 m. The hydrodynamic parameters using Cooper-Jacob method were: average transmissivity of 5,9x10-3 m?/s and average hydraulic conductivity 2,82x10-4 m/s. The effective porosity is of 15%, obtained by applying Biecinski equation. The potentiometric map shows the main direction of groundwater flow, from west to east, and identifies the recharge areas corresponding to the region of the tablelands of the "Barreiras". The river valleys refer to the discharge areas of the aquifer system. The Recharge was estimated at 253 mm/year, which corresponds to the 16.4% rate of infiltration.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-25T19:35:26Z No. of bitstreams: 1 RozileideDeOliveiraLima_DISSERT.pdf: 8444263 bytes, checksum: 33ebc04b3cf0c3eb61a258063678b930 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-01T19:55:22Z (GMT) No. of bitstreams: 1 RozileideDeOliveiraLima_DISSERT.pdf: 8444263 bytes, checksum: 33ebc04b3cf0c3eb61a258063678b930 (MD5) / Made available in DSpace on 2016-08-01T19:55:22Z (GMT). No. of bitstreams: 1 RozileideDeOliveiraLima_DISSERT.pdf: 8444263 bytes, checksum: 33ebc04b3cf0c3eb61a258063678b930 (MD5) Previous issue date: 2015-04-09 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico - CNPq / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Este estudo foi realizado na plataforma interna equatorial brasileira adjacente ao Rio Grande do Norte, entre a regi?o de Porto do Mangue e Galinhos, tendo como principal objetivo a caracteriza??o dos sedimentos biog?nicos, especialmente os foramin?feros e ostracodes coletados na superf?cie do fundo marinho. A metodologia utilizada envolveu procedimentos padr?es de levantamentos bibliogr?ficos, processamento de amostras em laborat?rio e identifica??o, em lupa binocular e microscopia eletr?nica de varredura (MEV) dos foramin?feros e ostracodes segundo g?nero ou esp?cie. An?lises estat?sticas multivariadas e estudo dos ?ndices ecol?gicos foram aplicados no estudo de foramin?feros. Com o objetivo de um melhor entendimento e interpreta??o dos resultados a ?rea foi dividida em tr?s perfis perpendiculares a linha e costa, desde a plataforma interna at? o talude: o perfil 01 (a leste, pr?ximo a Galos), o perfil 02 (centro, pr?ximo ? cidade de Macau) e o perfil 03 (a oeste, pr?ximo a Ponta do Mel). As condi??es ambientais influenciam diretamente no desenvolvimento dos organismos. Na regi?o de estudo observa-se uma homogeneidade relativa para as distribui??es horizontais de temperatura, verificando-se para a superf?cie (m?nima de 24? C, e m?ximas de 29?C a 35?C) e para a regi?o localizada nas proximidades do fundo (m?nima de 5,2 ?C, e m?xima de 28,8 ?C). Os resultados indicaram o predominio dos g?neros de foramin?feros bent?nicos com pouca ocorr?ncia planct?nica. Os g?neros bent?nicos observados em maior abund?ncia foram Quinqueloculina, Textularia , Globigerina e Pyrgo, respectivamente; Quinqueloculina, Textularia, Pyrgo, Ammonia, Elphidium, Pseudononion, Peneroplis, Bolivina e Poroeponides, respectivamente, ocorreram com maior frequ?ncia. Com menor frequ?ncia foram descritos Amphistegina, Arcaias, Bigenerina, Cibicides, Cassidulina, Amphicorina, Cornuspira, Paterina, Hopkunsina, Oolina, Uvigerina, Fusenkoina, Nonionella, Amphisorus, Wiesrella, Reussella, Reophax, Nodosaria, Marginulina e Cyclogyra. Tamb?m foram Entre os Foram identificados seis g?neros de ostracodes: Puriana variabilis/P. convoluta ?, Loxoconcha sp, Bairdiidae, Xestoleberis sp, Hemicytheridae e Ruggiericythere sp. Os grupos de organismos encontrados na plataforma atual apresentaram composi??o qu?mica principal de Ca, C, O, Na, Cl, Al, Mg e Si. A propor??o destes elementos qu?micos pode variar de acordo com o tipo de sedimento biog?nico, sendo as maiores quantidades identificadas de Ca, C, Cl, Na e O. A data??o absoluta pelo m?todo carbono 14 indicou que as gera??es de sedimentos de colora??es diferentes (claras e escuras), correspondem a uma ?nica idade, entre 3 e 6 mil anos AP, relacionados ao Quatern?rio. Estes dados ir?o complementar informa??es a respeito dos sedimentos biog?nicos existentes atualmente na plataforma continental brasileira, especialmente na regi?o nordeste, onde h? car?ncia de estudos nesta linha de pesquisa. / This study was conducted in the adjacent Brazilian equatorial inner shelf to Rio Grande do Norte, between the region of Porto do Mangue and Galinhos. The main objective is the characterization of biogenic sediments, especially foraminifera and ostracod collected on the surface of the seafloor. The methodology involved standard procedures including literature, surveys, processing of samples in the laboratory and identification of foraminifera and ostracods by genera or species under stereo microscopy and scanning electron microscopy (SEM). Multivariate statistical analyzes and study of ecological indexes were also applied to the study of foraminifera. Three transects, from inner shelf to slope were sampled: profile 01 (east, near Galos), profile 02 (center, near the city of Macau) and profile 03 (west, near Ponta do Mel). Results indicated the predominance of benthic foraminifera and little plankton occurrence. Benthic foraminifera genera observed in abundance were Quinqueloculina, Textularia, Globigerina and Pyrgo, Quinqueloculina, Textularia, Pyrgo, Ammonia, Elphidium, Pseudononion, Peneroplis, Bolivina and Poroeponides, occurred more frequently. Less frequently been described Amphistegina, Archaias, Bigenerina, Cibicides, Cassidulina, Amphicorina, Cornuspira, Paterina, Hopkunsina, Oolina, Uvigerina, Fusenkoina, Nonionella, Amphisorus, Wiesrella, Reussella, Reophax, Nodosaria, Marginulina and Cyclogyra. Six genera of ostracods were also identified: Puriana variabilis / P. convoluted?, Loxoconcha sp, Bairdiidae, Xestoleberis sp, Hemicytheridae and Ruggiericythere sp. Groups of organisms found in the studied shelf presented chemical composition of Ca, C, O, Na, Cl, Al, Mg, and Si. The proportions of chemical elements may vary according to the type of biogenic sediment, with the highest values identified as Ca, C, Cl, Na and O. The absolute dating by carbon 14 method indicated sediments of different colors (light and dark), correspond to a single age from 3000 to 6000 years BP, related to the Quaternary. These data intend to complement information about biogenic sediments in the Brazilian continental shelf, especially in the Northeast, where there is a lack of such studies.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-25T19:35:26Z No. of bitstreams: 1 SilviaAmorimTerra_DISSERT.pdf: 8312476 bytes, checksum: 1f02e20db0fedd2c8dc5413db2f0b262 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-01T20:19:56Z (GMT) No. of bitstreams: 1 SilviaAmorimTerra_DISSERT.pdf: 8312476 bytes, checksum: 1f02e20db0fedd2c8dc5413db2f0b262 (MD5) / Made available in DSpace on 2016-08-01T20:19:56Z (GMT). No. of bitstreams: 1 SilviaAmorimTerra_DISSERT.pdf: 8312476 bytes, checksum: 1f02e20db0fedd2c8dc5413db2f0b262 (MD5) Previous issue date: 2015-03-27 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico - CNPq / O presente trabalho objetiva a caracteriza??o de rochas carbon?ticas da Forma??o Janda?ra, termalmente afetadas no contato com intrus?es b?sicas do Pale?geno e Ne?geno, na regi?o dos munic?pios de Pedro Avelino e Janda?ra (RN), nordeste do Brasil. Para o estudo em tela, foram utilizados dados de campo, microsc?picos, difra??o de raios-X, microssonda eletr?nica e litogeoqu?mica de rocha total. Os calc?rios n?o afetados termalmente s?o wackstones, grainstones e packstones. Podem constituir fragmentos de foramin?fero bent?nico, espinhos de equinoderma, ostracode, algas, bivalve, gastr?pode, pel?ides e intraclastos. A porosidade encontrada se enquadra nos tipos vugular, intrapart?cula, interpart?cula, intercristalina e m?ldica. Como minerais essenciais, tem-se calcita, anquerita e dolomita; como fases detr?ticas, citam-se montmorilonita, pirita, limonita, quartzo e microclina. Os calc?rios termalmente afetados apresentam granula??o muito grossa a muito fina e colora??o cinza clara a escura. Os componentes fossil?feros desaparecem totalmente, e a porosidade tende a desaparecer. Com os dados obtidos, infere-se que os prot?litos carbon?ticos seriam calc?rios calc?feros a dolom?ticos, ambos com pequena quantidade de minerais do grupo das argilas. Os calc?rios cristalinos de prot?lito dolom?tico cont?m calcita rombo?drica e bastante sulfeto e ?xido / hidr?xido de ferro, tornando as rochas bem mais escuras. Os carbonatos de prot?lito calc?tico mostram grande varia??o de granula??o em fun??o do grau de recristaliza??o, que aumenta na dire??o do contato com os corpos b?sicos. Neste grupo, foram identificados os minerais pirometam?rficos lizardita e espin?lio nas amostras pouco e moderadamente afetadas, e espin?lio e espurrita nas fortemente afetadas, al?m da calcita que ocorre em todos os casos. O contexto geol?gico (intrus?es rasas de diab?sios), a presen?a dos minerais pirometam?rficos espurrita e olivina (pseudomorfisada para lizardita, serpentina, brucita), e compara??o com diagramas da literatura permitem estimar temperaturas e press?es em torno de 1050-1200?C e 0,5-1,0 kbar, respectivamente, para PTOTAL=PCO2. O resfriamento p?s-intrus?o teria propiciado a remobiliza??o de por??es de mat?ria org?nica do sedimento original e libera??o de fluidos metassom?ticos / hidrotermais, ensejando a abertura do sistema metam?rfico, com eventual contribui??o de elementos qu?micos das unidades hospedeiras (arenitos, folhelhos) e das pr?prias intrus?es b?sicas. Isto favoreceria a hidrata??o de fases pr?vias, resultando em forma??o de serpentina, clorita e brucita. Os resultados mostram a forte influ?ncia do calor aportado por intrus?es b?sicas no pacote sedimentar. Considerando que na por??o offshore da bacia ocorrem soleiras com espessura de at? 1000 m, o entendimento do pirometamorfismo poder? ser de grande utilidade na compreens?o e dimensionamento desses dep?sitos. / The present study aims the characterization of thermally affected carbonate rocks from Janda?ra Formation in contact with Paleogene and Neogene basic intrusions in the region of the Pedro Avelino and Janda?ra municipalities (RN), northeastern Brazil. For this study, field, petrographic, x-ray diffraction, electron microprobe, and whole rock litogeochemistry data of carbonates were undertaken. The thermally unaffected limestones are classified like wackstones, grainstones and packstones. They may constitute carbonates grains of benthic foraminifera, echinoderm spines, ostracods, algae, corals, bivalves, gastropods, peloids and intraclasts. The porosities are classified like vug, intraparticle, interparticle, intercrystal and moldic types. The major minerals are calcite, ankerite and dolomite; the detrital are montmorillonite, pyrite, limonite, quartz and microcline. The thermally affected limestones are very coarse to very fine-grained and light to dark gray color. The fossiliferous components totally disappear, and the porosity tends to disappear. With the data obtained, it can be inferred that the carbonate protoliths would be calciferous to dolomitic limestones, both with small amount of clay minerals. Crystalline carbonates from dolomitic protolith have rhombohedral calcite and iron oxides / hydroxides, making the rocks much darker. The carbonates from calciferous protolith have a wide variation of grain size according to the recrystallization degree, increasing toward contact with the basic bodies. In this group, it was identified the minerals lizardite and spinel in weakly to moderately affected samples, and spinel and spurrite in strongly affected rocks, as well as calcite, that occur everywhere. The geological context (shallow level diabase intrusions), the crystallization of the pyrometamorphic minerals spurrite and olivine, and comparison with diagrams from the literature allow estimating temperatures and pressures around 1050-1200 ?C and 0.5-1.0 kbar, respectively, for PTOTAL=PCO2. The post-intrusion cooling would have afforded the releasing of metasomatic / hydrothermal fluids, allowing the opening of the metamorphic system, with possible contribution of chemical elements from host units (sandstones, shales) and from basic intrusions. This would induce hydration of previous phases, allowing the formation of serpentine, chlorite and brucite. The results discussed here reveal the strong influence of the heat from basic intrusions within the sedimentary pile. Whereas in the offshore portion of the basin occur sills with up to 1000 m thickness, the understanding of pyrometamorphism might be useful for understanding and measuring the thermally affected rocks.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-25T19:35:27Z No. of bitstreams: 1 ThuanyPatriciaCostaDeLima_DISSERT.pdf: 12184992 bytes, checksum: 65b052eef0c8113f7e14df3c3a40604b (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-01T20:48:43Z (GMT) No. of bitstreams: 1 ThuanyPatriciaCostaDeLima_DISSERT.pdf: 12184992 bytes, checksum: 65b052eef0c8113f7e14df3c3a40604b (MD5) / Made available in DSpace on 2016-08-01T20:48:43Z (GMT). No. of bitstreams: 1 ThuanyPatriciaCostaDeLima_DISSERT.pdf: 12184992 bytes, checksum: 65b052eef0c8113f7e14df3c3a40604b (MD5) Previous issue date: 2015-09-25 / Ag?ncia Nacional do Petr?leo - ANP / O objetivo deste estudo foi caracterizar a express?o estrutural-geof?sica do Lineamento Transbrasiliano na por??o centro-leste da Bacia do Parna?ba. O Lineamento Transbrasiliano (LTB) corresponde a uma megazona de cisalhamento de idade neoproterozoica (Ciclo Brasiliano), com dire??o NE-SW e cinem?tica transcorrente dextral, ocorrendo subjacente (e exposta lateralmente nas bordas NE e SW) ? se??o sedimentar da Bacia do Parna?ba. No presente trabalho, a interpreta??o dos mapas de anomalias gravim?trica e magn?tica ? analisada face a essa cinem?tica do LTB, sendo que a assinatura das anomalias geof?sicas corresponde ?s etapas de evolu??o brasiliana a tardi-brasiliana, de temperatura alta e declinante. Verifica-se que o padr?o das anomalias gravim?tricas residuais ? compat?vel com um par S-C dextral, moldando os corpos geol?gicos do embasamento heterog?neo. As bandas C, com dire??o NE, devem ser constitu?das por fatias de gnaisses e granulitos (anomalias positivas), rochas gran?ticas ou metassedimentares de baixo grau e grabens pr?-silurianos em estilo pull-apart (anomalias negativas). J? as anomalias de tra?os curvil?neos no mapa gravim?trico identificam trends contracionais (de superf?cies S), incompat?veis com a sua interpreta??o como um graben pr?-siluriano, restando as demais alternativas citadas. No tocante ? interpreta??o dos trends no mapa de anomalias magn?ticas (reduzidas ao polo), a maior parte destes ? tentativamente associada a falhas ou zonas de cisalhamento de baixa temperatura (planos C), delimitando blocos distintos em termos de propriedades magn?ticas, e/ou preenchidas por corpos b?sicos. ? tamb?m poss?vel que algumas anomalias magn?ticas isoladas/pontuais correspondam a corpos ?gneos de idade tardi-brasiliana ou mesozoicos. A configura??o desses lineamentos no embasamento pode ser interpretada em analogia ao modelo de fraturas de Riedel, assumindo planos de mergulho acentuado e com se??o de movimento sub-horizontal. Nesta disserta??o, s?o tamb?m exploradas interpreta??es relativas a modelagens gravim?tricas 2D combinadas com a interpreta??o de uma linha s?smica dip ao Lineamento Transbrasiliano. A se??o de rochas equivalente ao Grupo Jaibaras mostrou anomalias gravim?tricas discretas da bacia, conferindo assim uma maior influ?ncia ?s estruturas do embasamento nas respostas gravim?tricas. A delimita??o dos grabens sotopostos ? se??o paleozoica da bacia sofre restri??es causadas pelas heterogeneidades e anisotropia do embasamento. / The objective of this study was to characterize the structural-geophysical expression of the Transbrasiliano Lineament (TBL) in the east-central portion of the Parna?ba Basin. The TBL corresponds to a major Neoproterozoic NE-trending shear zone related to the Brasiliano orogenic cycle, with dextral strike-slip kinematics, underlying (but also laterally exposed in the NE and SW basin edges) the sedimentary section of the Parna?ba Basin. In this study, the interpretation of gravity and magnetic anomaly maps is consistent with the TBL kinematics, the signature of the geophysical anomalies corresponding to the high (plastic behaviour) and subsequent declining temperature (ductile to brittle behaviour) stages during Brasiliano and late Brasiliano times. The pattern of residual gravity anomalies is compatible with an S-C dextral pair shaping the geological bodies of an heterogeneous basement, such as slices of gneisses and granulites (positive anomalies), granitic and low-medium grade metasedimentary rocks (negative anomalies). Such anomalies curvilinear trends, ranging from NNE (interpreted as S surfaces) to NE (C surfaces), correspond to flattening surfaces (S), while the NE rectilinear trend must represent a C band. The narrower magnetic anomalies also display NNE to NE (S surfaces) trends and should correspond to similar (although narrower and more discontinuous) sources in the equivalent anomaly patterns. Pre-Silurian pull-apart style grabens may contribute to the NE negative gravimetric anomalies, although this interpretation demands control by seismic data analysis. On the other hand, the curvilinear anomalies associated to contractional trends are incompatible with their interpretation as pre-Silurian graben, in both maps. In the (reduced to the pole) magnetic anomalies map, most of these are again associated to low-temperature shear zones (C planes) and faults, juxtaposing distinct blocks in terms of magnetic properties, or eventually filled with basic bodies. It is also possible that some isolated magnetic anomalies correspond to igneous bodies of late-Brasiliano or Mesozoic age. The basement late discontinuities pattern can be interpreted in analogy to the Riedel fractures model, with steep dipping surfaces and a sub-horizontal movement section. This study also explored 2D gravity modeling controlled by the interpretation of a dip seismic line as regards to the Transbrasiliano Lineament. The rock section equivalent to the Jaibaras Group occupying a graben structure (as identified in the seismic line) corresponds to a discrete negative anomaly superimposed to a gravimetric high, once again indicating a stronger influence of older crystalline basement rocks as gravimetric sources, mainly reflecting the heterogeneities and anisotropies generated at high temperature conditions and their subsequent cooling along the TBL, during the Brasiliano cycle.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-25T20:32:37Z No. of bitstreams: 1 DeboraAmeliaNunesDeLira_DISSERT.pdf: 2579312 bytes, checksum: 32587a809b91912eddd048694ce96565 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-01T21:37:30Z (GMT) No. of bitstreams: 1 DeboraAmeliaNunesDeLira_DISSERT.pdf: 2579312 bytes, checksum: 32587a809b91912eddd048694ce96565 (MD5) / Made available in DSpace on 2016-08-01T21:37:30Z (GMT). No. of bitstreams: 1 DeboraAmeliaNunesDeLira_DISSERT.pdf: 2579312 bytes, checksum: 32587a809b91912eddd048694ce96565 (MD5) Previous issue date: 2015-08-31 / Considerando a situa??o de descaso existente no ensino p?blico brasileiro e, especialmente, no processo de escolariza??o rural, a presente disserta??o objetiva analisar o processo de implementa??o das Diretrizes Operacionais para a Educa??o B?sica nas Escolas do Campo (DOEBEC), marco regulat?rio da pol?tica nacional de educa??o do campo. Ser?o analisadas, nesse sentido, as condi??es de trabalho docente em escolas do meio rural do Rio Grande do Norte (RN), no ano de 2010. A amostra da pesquisa toma como refer?ncia a representatividade do universo escolhido em rela??o ? totalidade das escolas rurais pertencentes ao estado do RN. Para responder aos objetivos da investiga??o, optamos por apresentar uma an?lise cr?tica dos seguintes eixos: 1) implementa??o das DOEBEC; 2) condi??es de trabalho e forma??o docente. Os eixos ou categorias de investiga??o foram escolhidos com base nas determina??es das DOEBEC (Resolu??o CNE/CEB n. 01/2002). Para o levantamento de dados nas referidas escolas, optamos pela realiza??o de entrevistas com os professores e gestores que compunham o quadro docente desses estabelecimentos de ensino em 2010. Tamb?m foram utilizados, para a caracteriza??o do atendimento escolar em escolas rurais do RN, no mesmo ano, dados estat?sticos oficiais disponibilizados pela Secretaria Estadual de Educa??o e Cultura (SEEC/RN). O estudo estat?stico e dos dados prim?rios coletados na pesquisa de campo apontou que as condi??es de trabalho docente ainda s?o um entrave para o desenvolvimento do trabalho educativo do professor em ?reas rurais. De acordo com as entrevistas concedidas pelos participantes da pesquisa, percebemos que as DOEBEC, apesar de terem sido sancionadas no ano de 2002, em 2010, ainda eram pouco conhecidas e discutidas pelos entrevistados das referidas escolas. Dessa forma, propomos que a implementa??o da pol?tica de educa??o do campo no estado do RN, institu?da pelo marco legal das DOEBEC e reafirmada pela Carta do Rio Grande do Norte para a Educa??o do Campo (BRASIL, 2005), seja repensada e reavaliada, no sentido de assegurar que as mudan?as propostas nesse texto legal, inerentes ao funcionamento escolar, ?s condi??es de trabalho docente, ? gest?o das escolas do campo, ? remunera??o e ? valoriza??o do trabalho docente, ? forma??o docente, ?s condi??es do transporte escolar, entre outros, sejam transformadas em a??es concretas para a melhoria da qualidade do ensino ofertado nas escolas rurais do estado do RN. / Considering the situation of neglect existing in Brazilian public education and, specially, in the process of rural schooling, this dissertation aims to analyze the process of implementation of the Operational Guidelines for Basic Education in Rural Schools (DOEBEC), regulatory framework of the national policy of rural education. On it, we analyze the conditions of teaching work in rural schools of Rio Grande do Norte (RN), in 2010. The sample of the survey has as reference the representativeness of the chosen universe in relation to the totality of rural schools belonging to the state of RN. To answer the goals of the research, we opted to present a critical analysis of the following points: 1) Implementation of the DOEBEC; 2) Conditions of teaching work and teaching training. The points or categories of research were chosen based in the determinations of the DOEBEC (Resolution CNE/CEB n. 01/2002). For the data collection in the referred schools, we opted for the realization of interviews with the teachers and managers of these teaching establishments, in 2010. It was also utilized, for the characterization of school attendance in rural schools of RN, in 2010, official statistical data available by the State Secretary of Education and Culture (SEEC/RN). The analysis of the statistical data and of the primary data collected in field research indicated that the conditions of teaching work are still an obstacle to the development of the educative work of the teacher in rural areas. According to interviews with the participants of the research, we realized that the DOEBEC, despite being sanctioned in 2002, were still dimly known and discussed by the interviewees of the referred schools in 2010. Thus, we propose that the implementation of the policy of rural education in RN, instituted by DOEBEC?s legal landmark, and reaffirmed by the Rio Grande do Norte?s Charter to Rural Education (Brazil, 2005), is rethought and reconsidered, in the sense of ensuring that the changes proposed in this legal text, inherent to the school functioning, to the conditions of teaching work, to the rural schools? management, to the remuneration and valorization of teaching work, to the teaching training, to the conditions of school transport, among others, be turned into concrete actions to improve the quality of education offered in the rural schools of RN state.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-25T21:53:48Z No. of bitstreams: 1 JoanaDarcMatiasDoPradoTeles_DISSERT.pdf: 2324929 bytes, checksum: efe613fc203f304795a7536977223586 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-03T19:29:57Z (GMT) No. of bitstreams: 1 JoanaDarcMatiasDoPradoTeles_DISSERT.pdf: 2324929 bytes, checksum: efe613fc203f304795a7536977223586 (MD5) / Made available in DSpace on 2016-08-03T19:29:57Z (GMT). No. of bitstreams: 1 JoanaDarcMatiasDoPradoTeles_DISSERT.pdf: 2324929 bytes, checksum: efe613fc203f304795a7536977223586 (MD5) Previous issue date: 2014-08-29 / No decorrer das ?ltimas d?cadas, iniciando, principalmente, nos anos de 1960, o contingente de idosos tem crescido no pa?s e o envelhecimento populacional ? considerado um not?vel fen?meno mundial. Dada ? rapidez desse processo, esse crescimento tem produzido diferentes implica??es na estrutura das rela??es sociais, econ?micas e culturais das sociedades e, como tal, constitui novos desafios para as pol?ticas p?blicas e, particularmente, para a pol?tica de assist?ncia social brasileira. Considerando o expressivo aumento da popula??o idosa natalense e os desafios da pol?tica de assist?ncia social, essa pesquisa objetiva identificar e analisar as demandas e os desafios da Pol?tica de Assist?ncia Social no munic?pio de Natal/RN, na particularidade do acesso da popula??o idosa ? Prote??o Social B?sica nos Centros de Refer?ncia da Assist?ncia Social. A presente pesquisa norteia-se pelo m?todo cr?tico dial?tico, sendo os procedimentos metodol?gicos que nortearam o estudo: as pesquisas bibliogr?fica, documental e campo, bem como a observa??o sistem?tica. Algumas perguntas de partida foram importantes para nortear este trabalho: Quais as demandas que chegam ao CRAS pela popula??o idosa? Quais as respostas a estas demandas pela PSB? Como os CRAS vem implementando a prote??o social em respostas a essas demandas como garantia de direitos a popula??o idosa? Os servi?os oferecidos pelos CRAS atende as necessidades do usu?rio idoso? Para se chegar aos resultados desta pesquisa, foram realizadas pesquisa a documentos e pesquisa de campo em 4 (quatro) CRAS das diferentes zonas distritais do munic?pio de Natal. Os resultados desta pesquisa apontam que a prote??o social b?sica ? bastante fr?gil, deixando parcela da popula??o em situa??o de risco e vulnerabilidade social ainda sem aten??o devido a diversos fatores, dentre eles a reduzida equipe t?cnica e a impossibilidade de atendimento a todos os bairros referenciados pelos CRAS nas respectivas zonas, sendo 85% dos idosos atendidos advindos de demandas espont?neas. / Over the past decades, starting mainly in the 1960s, the number of elderly has grown in the country and an aging population is considered a remarkable global phenomenon. Given the speed of this process, this growth has produced different implications for the structure of the social, economic and cultural societies and, as such, constitutes new challenges for public policy, and particularly for the Brazilian social assistance policy. Considering the significant increase aging population in Natal and the challenges of social welfare policy, this research aims to identify and analyze the demands and challenges of Social Assistance Policy in the city of Natal / RN, in particular the access of the elderly to social protection basic in the Reference Centers of Social Assistance. This research uses a critical dialectical method, and the methodological procedures that guided the study: the bibliographical research, documentary and field as well as systematic observation. Some initial questions were important to guide this work: What are the demands that come to CRAS the elderly population? What are the answers to these demands by the Basic Social Protection? How this CRAS has implemented social protection responses to these demands as rights guarantee the elderly population? The services offered by CRAS meets user needs? To get the results of this research, bibliographic sources were used, documentary and observation for four (4) CRAS of different district areas of the city of Natal. The results of this research show that basic social protection is quite fragile, leaving part of the population at risk and social vulnerability still without attention due to several factors, including the reduced technical team and the impossibility of service to all neighborhoods referenced by CRAS in the respective zones, and 50% of elderly assisted arising from spontaneous demands.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-07-26T19:26:43Z No. of bitstreams: 1 CarlosEduardoLopesDaSilva_DISSERT.pdf: 3343622 bytes, checksum: 1639eb224211dedb836796bf9e1331ba (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-08-08T21:04:53Z (GMT) No. of bitstreams: 1 CarlosEduardoLopesDaSilva_DISSERT.pdf: 3343622 bytes, checksum: 1639eb224211dedb836796bf9e1331ba (MD5) / Made available in DSpace on 2016-08-08T21:04:53Z (GMT). No. of bitstreams: 1 CarlosEduardoLopesDaSilva_DISSERT.pdf: 3343622 bytes, checksum: 1639eb224211dedb836796bf9e1331ba (MD5) Previous issue date: 2016-02-26 / A educa??o ambiental come?ou a ser discutida a partir da intensifica??o da a??o humana, proveniente da revolu??o industrial. No Brasil a proposta ganhou destaque com a Pol?tica Nacional de Meio Ambiente, a qual sugeriu que a educa??o ambiental fosse desenvolvida em todos os n?veis de ensino e, mais tarde, de acordo com os Par?metros Curriculares Nacionais, de forma perpassada pelos conte?dos oferecidos por todos os componentes curriculares. Diante desse desafio, o presente trabalho tem como objetivo averiguar as forma??es ofertadas nos cursos de licenciatura em educa??o f?sica do Estado do Rio Grande do Norte, verificando qual o perfil do profissional que est? sendo formado. Para tanto, foram realizadas entrevistas com os coordenadores de 6 institui??es que oferecem o curso de licenciatura em educa??o f?sica universidades identificadas no Estado (UFRN, UNI-RN, UNIFACEX, FANEC e UERN - Campus Mossor? e Pau dos Ferros), foi aplicado um question?rio com 30% dos alunos formandos no segundo semestre de 2015 e observou-se o projeto pedag?gico e as ementas das disciplinas das institui??es que disponibilizaram esses documentos. Os resultados apontaram, para o reconhecimento, por parte de alunos e coordenadores, da import?ncia da tem?tica ambiental para a ?rea da educa??o f?sica. Entretanto, os discursos entre coordenadores e alunos se contradizem em todas as universidades. Para os coordenadores, por ser uma exig?ncia do Minist?rio da Educa??o, a educa??o ambiental est? presente em algumas disciplinas do curr?culo de forma efetiva. Entretanto, na pr?tica, os formandos, em sua maioria, mostram desconhecer o trabalho de educa??o ambiental presentes em seus cursos, afirmam n?o terem uma forma??o que atenda a tais aspectos e, ao serem solicitados para que exemplifiquem como seria sua atua??o perante ? discuss?o ambiental, muitos deles exibem uma forma??o fragilizada para o desenvolvimento do tema em seus futuros ambientes de trabalho, demonstrando atividades acr?ticas. Apesar da obrigatoriedade no contexto educacional j? existir h? d?cadas e a import?ncia do tema se revelar nos discursos dos profissionais, a educa??o ambiental ainda aparece de forma t?mida nos curr?culos e na viv?ncia das forma??es em educa??o f?sica, mostrando a necessidade de reestrutura??o curricular e de novas compreens?es para o tema, fazendo com que ele esteja mais presente no dia a dia dos futuros professores que dever?o abord?-lo em suas aulas. / Environmental education started to be discussed since the intensification of the human activity, as a consequence of the industrial revolution. In Brazil, the proposal has gained attention due to the National Environmental Policy, which suggested inserting environmental education in all education levels and later as a crosscutting topic pervading the contents offered in all courses, according to the National Curricula Parameters. Faced with such a challenge, this work aimed to identify how environmental concerns is being considered in physical education licentiate courses at Rio Grande do Norte. For this purpose, we have adopted a descriptive method starting from interviews with coordinators of six institutions offering a physical education licentiate degree (UFRN, UNI-RN, UNIFACEX, FANEC, and UERN ? Mossor? and Pau dos Ferros Campi), the application of a questionnaire with 30% of graduating students in the second half of 2015, and observations from the pedagogical projects and syllabi of the institutions that have provided such documents. Results have pointed out the acknowledgement of students and coordinators on the importance of addressing environmental concerns in physical education. However, coordinators and students contradict each other in all investigated institutions. According to the coordinators, environmental education effectively is in some courses of the curriculum as a mandatory requirement from the Brazilian National Ministry of Education. Nonetheless, in practice, most graduating students have no knowledge about environmental education in their courses, stating that they do not have training suited to meet these concerns. When requested to exemplify how they would deal with environmental education, a fragile education to address this topic in their future workspaces was revealed, showing uncritical activities. Despite the obligatoriness in the educational context already exists for decades and the importance of this topic revealed in the speeches of professionals, environmental education is still shy in physical education curricula and education courses, thereby showing the need of a curricular restructuration and a new understanding on this topic, as well as making it to be more present in the daily activities of the future teachers who should take it into consideration in their classes.

Made available in DSpace on 2014-12-17T14:52:59Z (GMT). No. of bitstreams: 1 AnelenaJ_DISSERT_1-90.pdf: 4872723 bytes, checksum: f8f9a6ba7564955f6de5999b029a7e8c (MD5) Previous issue date: 2010-12-13 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / The fishing is an activity with rafts marked by unpredictability, poor tools, physical stress, awkward postures, risk of accidents and incidents, which contribute to insecurity in the context of activity. This study aimed to contribute to reducing of physical effort and the biomechanical impacts in jangadeiro activity of artisanal fishing using jangadas on the beach of Ponta Negra, Natal-RN. To achieve this purpose the methodology of the Work Ergonomic Analysis - WEA became a reference using techniques such as observational and interactional observation notes, photographs, videos, action conversational and listening verbalizations. The resulting activity in health jangadeiro, discussed in this research were: static postural assessment, flexibility of movement of shoulder flexion-extension, flexibility of the hamstrings and lower back, grip and musculoskeletal pain. It was found from observations, interactions and activity analysis, that in carrying out fishing rafts are frequent awkward postures associated with demand for power and many are already feeling the jangadeiros reflections of years of life dedicated to this work. These have already adopted some measures to manage the activity, such as job rotation during the expedition of capture. Therefore, there is a need to expand these measures of activity management, as well as design and capabilities of the raft, seeking positive changes in the activity and consequently the quality of life jangadeiro / A pesca artesanal com jangadas ? uma atividade marcada por imprevisibilidade, prec?rios instrumentos de trabalho, desgaste f?sico, posturas for?adas, risco de acidentes e incidentes, que contribuem para o quadro de inseguran?a na atividade. A presente pesquisa teve como objetivo contribuir para a diminui??o dos esfor?os f?sicos e dos impactos biomec?nicos na atividade jangadeira de pesca artesanal com utiliza??o de jangadas na praia de Ponta Negra em Natal-RN. Para alcan?ar esse prop?sito, tomou-se como refer?ncia a metodologia da An?lise Ergon?mica do Trabalho aplicando t?cnicas observacionais e interacionais como protocolos de observa??o, registros fotogr?ficos, v?deos, a??o conversacional e escuta de verbaliza??es. As repercuss?es da atividade na sa?de dos jangadeiros, discutidas nesta pesquisa, foram: avalia??o postural est?tica, flexibilidade do movimento de flexo extens?o do ombro, flexibilidade da musculatura isquiotibial e regi?o lombar, preens?o manual e dores m?sculo-esquel?ticas. Constatou-se, a partir das observa??es, intera??es e an?lises da atividade, que, na realiza??o da pesca com jangadas, s?o frequentes as posturas for?adas associadas ? exig?ncia de for?a. Muitos jangadeiros j? sentem os reflexos dos anos de vida dedicados ? esse trabalho. Estes j? adotam algumas medidas para a gest?o da atividade, como a rota??o de cargos durante a expedi??o de captura. Portanto, existe a necessidade da amplia??o destas medidas de gest?o da atividade, bem como do projeto da jangada e capacita??es, visando transforma??es positivas na atividade e, consequentemente, da qualidade de vida dos jangadeiros

Made available in DSpace on 2014-12-17T14:55:46Z (GMT). No. of bitstreams: 1 RafaelaVFM_DISSERT.pdf: 922692 bytes, checksum: 7ff6e827433836d595604a0f351ebf16 (MD5) Previous issue date: 2010-03-26 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico / Uma avalia??o em tempo real da seguran?a do sistema vem se tornando uma pr?tica essencial para a maioria das concession?rias de energia el?trica. Essa avalia??o se faz a partir da monitoriza??o das condi??es dos sistemas el?tricos e do controle da sua opera??o. Essas tarefas s?o realizadas nos modernos centros de controle dos sistemas. A Estima??o de Estados ? a ferramenta mais adequada para realizar uma avalia??o das condi??es operativas de um sistema em tempo real, e o seu desempenho depende da disponibilidade de informa??es confi?veis sobre o ponto atual de opera??o. Com esse objetivo, o trabalho desenvolvido trata de um novo modelo de estimador de estado para sistemas de distribui??o, baseado no algoritmo do fluxo de carga soma de pot?ncias. O intuito deste trabaho foi de desenvolver uma formula??o matem?tica trif?sica para todos os componentes que comp?e o sistema de pot?ncia. A abordagem da aproxima??o dos m?nimos quadrados ponderados ? utilizada para estimar os estados do sistema e ser? discutida ao longo deste trabalho