Relevant bibliographies by topics / Anomalia Bouguer

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Academic literature on the topic 'Anomalia Bouguer'

Author: Grafiati
Published: 4 June 2021
Last updated: 19 February 2022

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Journal articles on the topic "Anomalia Bouguer"

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Gagg, Gilberto, and Sérgio Florêncio de Souza. "Geração de mapas de anomalia Bouguer a partir de dados gravimétricos terrestres e do EGM2008." Revista Brasileira de Geomática 5, no. 2 (May 16, 2017): 186. http://dx.doi.org/10.3895/rbgeo.v5n2.5510.

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Um dos propósitos da determinação da gravidade é a obtenção das anomalias da gravidade. O campo de gravidade é um campo potencial e sofre influência da constituição geológica, pois a densidade das rochas gera pequenas variações nos valores de gravidade. As reduções matemáticas buscam eliminar a influência de fatores que interferem no campo de gravidade. A anomalia Bouguer remove o efeito gravitacional das rochas existentes entre o ponto de observação e o nível de referência. Dados da missão gravimétrica GRACE (Gravity Recovery and Climate Experiment) tem auxiliado na densificação das informações, pois muitos modelos geopotenciais são deficientes devido a irregular distribuição dos dados gravimétricos. Assim, efetuou-se um estudo para o estado do Rio Grande do Sul-RS, visando gerar mapas de anomalia Bouguer através de uma análise gravimétrica sob dois aspectos: uso exclusivo de dados do modelo EGM2008 (envolve uso de dados GRACE), e uso combinado de dados EGM2008 (porção oceânica e porção continental externa ao RS) com dados terrestres de campo para o Rio Grande do Sul. Concluiu-se que o emprego de dados de missão satelitais facilmente acessíveis, permitiu gerar mapas de anomalias Bouguer que atendem objetivos de cunho geral e até regional, com a vantagem de serem atuais e uniformemente espaçados.
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Motoki, Akihisa, Luiz Carlos Chaves Novais, Kenji Freire Motoki, Leonardo Costa de Oliveira, Ricardo De Souza Fasolo, and Adrienne Brito Lima. "SATELLITE-DERIVED GRAVIMETRY FOR ABROLHOS CONTINENTAL SHELF, STATES OF ESPÍRITO SANTO AND BAHIA, BRAZIL, AND ITS RELATION TO TECTONIC GENESIS OF SEDIMENTARY BASINS." Revista Brasileira de Geofísica 32, no. 4 (December 1, 2014): 735. http://dx.doi.org/10.22564/rbgf.v32i4.554.

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ABSTRACT. This paper presents the results of satellite-derived gravimetry for Abrolhos Continental Shelf and the adjacent areas, States of Esp´ırito Santo and Bahia,Brazil, and discusses tectonic genesis of the sedimentary basins. The free-air and Bouguer anomalies on the continental shelf show a gradual increase from coast tocontinental shelf break. The total difference of 135 mGal indicates crust thinning of 4.5 km. The Bouguer anomaly increases beyond the shelf break and continues upto the abyssal plane. The total difference of 260 mGal suggests crustal thinning of 9.0 km. The studied area has two types of passive continental margin: 1) ES-typewith high continental slope, low and narrow continental rise, and high free-air and Bouguer anomalies; 2) SP-type with low continental slope, high and wide continentalrise, and low gravity anomalies. There are three types of sedimentary basins with different geologic structure and tectonic genesis: 1) Basins on the continental shelf,CSH-type; 2) Basin on the continental rise, CRS-type; 3) Continental rift basin, CRF-type. The CSH-type, as Esp´ırito Santo basin, has coherent free-air and Bougueranomalies 40 to 50 mGal lower than the adjacent areas. The sedimentary deposits are 2.0 to 2.5 km thick. The basement depression is sustained by mechanical strengthwithout isostatic compensation. The normal faults of basin border are limited within upper crust. The CRS-type, as Pedro Can´ario basin, has low local residual Bougueranomaly with difference of 40 mGal. The sedimentary deposits are more than 2.7 km thick. The continental side basin border is under isostatic compensation due todeep normal fault between continental slope and continental rise. The oceanic side border is sustained by mechanical strength of the basement. The CRF-type, BesnardPassage, is a continental rift basin originated from mantle pull-apart tectonism. The rift bottom is under complete isostatic compensation. The normal faults of the grabenborder continue to the mantle. The Moho depth along the rift is at least 6.5 km shallower than the adjacent areas.Keywords: satellite-derived gravimetry, Abrolhos Continental Shelf, sedimentary basin, crustal thinning, isostatic compensation. RESUMO. Este artigo apresenta os resultados da gravimetria por satélite para a Plataforma Continental de Abrolhos e as áreas adjacentes, ES-BA, e discute as gêneses tectônicas das bacias sedimentares. As anomalias ar-livre e Bouguer na plataforma continental mostram um aumento gradativo a partir da costa até a quebra da plataforma continental. A diferença total de 135mGal indica afinamento da crosta continental de 4,5 km. A anomalia Bouguer se apresenta além da quebra da plataformae continua até o assoalho abissal. A diferença total de 260 mGal sugere afinamento crustal de 9,0 km. Na área estudada, observam-se dois tipos de margem continental passiva: 1) Tipo ES com talude continental alto, elevação continental baixa e curta e anomalias ar-livre e Bouguer altos; 2) Tipo SP com talude continental baixo, elevação continental alta e extensa e anomalias gravimétricas baixas. Existem três tipos de bacias sedimentares com estrutura geológica e gênesis tectônicas diferentes: 1) Bacias na plataforma continental, Tipo CSH; 2) Bacias na elevação continental, Tipo CRS; 3) Bacia de rifte continental, Tipo CRF. O Tipo CSH, como a bacia do Espírito Santo, possui anomalias ar-livre e Bouguer coerentes 40 a 50 mGal mais baixas do que as áreas adjacentes. Os depósitos sedimentares são de 2,0 a 2,5 km de espessura. A depressão do embasamento é sustentada pela rigidez mecânica sem compensação isostática. As falhas normais das bordas de bacias são limitadas dentro da crosta superior. O Tipo CRS, como a bacia Pedro Canário, tem baixa anomalia Bouguer local com diferença de 40 mGal. Os depósitos sedimentares têm mais de 2,7 km de espessura. A borda da bacia do lado continental está sob compensação isostática devido à falha normal profunda entre talude continental e elevação continental. Aborda do lado oceânico é sustentada pela rigidez mecânica do embasamento. O Tipo CRF, Passagem Besnard, é uma bacia do rifte continental originada do tectonis mode distensão do manto. O fundo da bacia está sob compensação isostática completa. As falhas normais da borda do graben continuam até o manto. A profundidade da Moho ao longo do rifte é pelo menos 6,5 km mais rasa do que as áreas adjacentes.Palavras-chave: gravimetria por satélite, Plataforma Continental de Abrolhos, bacia sedimentar, afinamento crustal, compensação isostática.
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Gagg, Gilberto, and Sérgio Florêncio de Souza. "Análise morfoestrutural na região da bacia de Pelotas a partir do emprego de mapas de anomalia Bouguer e perfis gravimétricos." Revista Brasileira de Geomática 7, no. 1 (April 1, 2019): 003. http://dx.doi.org/10.3895/rbgeo.v7n1.8799.

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Dados gravimétricos, inclusive aqueles advindos de missões satelitais, são uma grande ferramenta nos estudos regionais para áreas que envolvam aplicações geológicas e mesmo oceanográficas, pois auxiliam em estudos sobre a caracterização, evolução e o comportamento da crosta terrestre, tanto para áreas continentais como oceânicas. Dados de gravimetria foram usados como subsídio à análise morfoestrutural na região da Bacia de Pelotas-RS. Foi adotado o modelo geopotencial EGM2008 através das anomalias Bouguer, que possibilitou a elaboração de mapas e perfis gravimétricos. Através da análise dos mapas de anomalias Bouguer e perfis gravimétricos gerados, verificou-se que as anomalias Bouguer aumentam positivamente da costa em direção às maiores profundidades oceânicas, o que caracteriza um progressivo afinamento crustal associado à deriva continental. O comportamento das anomalias Bouguer evidenciou a presença de uma ruptura conhecida como Charneira Albo-aptiana ou Falha de Rio Grande na plataforma continental. A incidência de valores de anomalias significativamente positivas na região do Baixo de Mostardas sugere a presença de uma massa de maior densidade nesta região. A resolução dos dados gravimétricos utilizados neste estudo não permitiu evidenciar a presença de paleocanais na região, sendo necessária uma maior resolução espacial, associada a outros métodos de investigação.
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LIMA, Fabio Ullmann Furtado de, and Leila Maria Véspoli de CARVALHO. "INVERSÃO GRAVIMÉTRICA 3D DE CORPOS SALINOS NA BACIA DE CAMPOS UTILIZANDO DADOS DE SENSORIAMENTO REMOTO." Geosciences = Geociências 38, no. 2 (August 20, 2019): 451–66. http://dx.doi.org/10.5016/geociencias.v38i2.12527.

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Foi realizada a inversão tridimensional de dados gravimétricos oriundo de sensoriamento remoto com o objetivo de estimar as geometrias em sub-superfície de dois corpos salinos inseridos na Bacia de Campos. As modelagens dos corpos são baseadas em informações a priori tais como: contrastes de densidade entre corpos e o meio, números de prismas e números de vértices de cada prisma que, superpostos, modelarão a forma dos corpos salinos, profundidades e distâncias radiais mínimas e máximas dos corpos, coordenadas de origem dos prismas (a partir das quais o modelo começará a construir os corpos salinos), entre outros. Todas estas informações a priori provêm de um ensaio sísmico de reflexão realizados na região de estudo. Foram modelados paredões de sal considerando dois casos distintos: uma anomalia residual Bouguer aberta (caso 1) e outra fechada (caso 2). As geometrias dos paredões de sal foram modeladas satisfatoriamente em ambos os casos. Entretanto, o tamanho do paredão no caso 1 teve que ser subestimado para se obter um melhor ajuste entre as isogais observadas e preditas. Conclui-se que o modelo parece mais eficiente em modelar anomalias Bouguer fechadas do que abertas.
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Marangoni, Yára Regina, Denise Silva de Moura, and Herbert Ferreira. "Mapas de anomalias gravimétricas da Cidade Universitária Armando Salles de Oliveira – USP/SP." Geologia USP. Série Científica 17, no. 2 (August 1, 2017): 257. http://dx.doi.org/10.11606/issn.2316-9095.v17-120698.

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A Cidade Universitária Armando de Salles Oliveira, da Universidade de São Paulo (CUASO –USP/SP), é considerada um laboratório natural de pesquisas em Ciências da Terra. Ao longo de mais de duas décadas, dados gravimétricos foram obtidos como forma de treinamento de alunos e técnicos, formando um conjunto de 787 pontos distribuídos em 8 km2. O mapa de anomalia ar-livre apresenta forte correlação com a topografia, enquanto o mapa de anomalia Bouguer não apresenta correlação com a topografia e a geologia. Este mapa permitiu identificar um gradiente EW centrado na área, revelando uma estrutura de subsuperfície, modelada, neste mesmo estudo, como uma falha praticamente vertical, com atitude 090/80 N e cerca de 50 m de deslocamento vertical.
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Subagio, Subagio, and Tatang Patmawidjaya. "POLA ANOMALI BOUGUER DAN ANOMALI MAGNET DAN KAITANNYA DENGAN PROSPEK SUMBER DAYA MINERAL DAN ENERGI DI PULAU LAUT, PULAU SEBUKU DAN SELAT SEBUKU, KALIMANTAN SELATAN." JURNAL GEOLOGI KELAUTAN 11, no. 3 (February 16, 2016): 115. http://dx.doi.org/10.32693/jgk.11.3.2013.236.

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Anomali Bouguer Pulau Laut, Pulau Sebuku, dan Selat Sebuku dapat dikelompokkan menjadi dua wilayah anomali meliputi anomali berpola melingkar dengan kisaran nilai dari 40 hingga 64 mGal, dan anomali berpola lurus dengan kisaran nilai 40 hingga 50 mGal. Anomali magnet di daerah ini bervariasi dari -700 hingga 1600 nT, membentuk pola tinggian dan rendahan. Anomali Bouguer berpola melingkar dengan kisaran nilai 45-64 mGal mencerminkan batuan ultrabasa yang relatif mendekati permukaan. Batuan ultrabasa yang tersingkap di permukaan dicirikan oleh anomali magnet tinggi. Anomali Bouguer berpola kontur lurus sejajar menunjukkan sesar naik maupun sesar turun yang terdapat di daerah tersebut. Sesar naik yang berkembang di daerah penelitian umumnya terdapat di Pegunungan Meratus yang mempunyai mendala geologi sama. Anomali Bouguer dan anomali magnet rendah mencerminkan cekungan sedimen. yang diakibatkan oleh adanya gaya tarikan yang pernah ada. Batuan terobosan yang dijumpai, diduga terbentuk bersamaan dengan periode gaya tarikan ini. Serangkaian proses tektonik yang hasilnya terekam pada anomali Bouguer, anomali magnet, dan singkapan batuan memberi implikasi kemungkinan terdapatnya sumber daya energi dan mineral di daerah penelitian. Mineralisasi logam diperkirakan dapat dijumpai di sekitar daerah terobosan. Bijih besi, nikel, dan kromit kemungkinan terdapat di daerah ultra-mafik, sedangkan batubara di daerah cekungan sedimen. Kata kunci : Anomali Bouguer, anomali magnet, sumber daya energi dan mineral, sesar naik dan sesar turun. Bouguer anomaly of the Laut Island, Sebuku Island, and The Sebuku Strait can be grouped into two anomaly groups covering the circular pattern anomaly with range from 40 to 64 mGals, and the straight pattern with range of values from 40 to 50 mGals. The range of magnetic anomalies in the study area area from -700 to 1600 nT, forming high and low anomay patterns. The circular pattern of the Bouguer anomalies with range from 45 to 64 mGals reflects that the ultramafic rocks relatively close to the surface, while exposed ultrabasic rocks are indicated by high magnetic anomalies. Paralled pattern contour of Bouguer anomaly show a thrust faults and normal faults in this area. Thrust faults of commonly develop in Meratus Mountaint that has the same geological setting. The low Bouguer and magnetic anomalies reflect a sedimentary basin caused by previous tensional force. The intrusion rocks found in the study area suggest to be formed together with this tensional force period. A series of tectonic events recorded in Bougue anomaly, magnetic anomaly, and out crops gave the implication the possibility the present of energy and mineral resources in the study area. Metal mineralization suggests to be found in the intrusion area. Irons, nickels and chromites supposed can be found in the ulta-mafic area, while coal can be found in the sedimentary basin. Keywords : Bouguer anomalies, magnetic anomalies, energy and mineral resources, thrust and normal faults.
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Liana, Yeni Rima, Tri Maria Magdalena Wea, Wihdatus Syarifah, Supriyadi Supriyadi, and Khumaedi Khumaedi. "Analisis Anomali Bouguer Data Gaya Berat Studi Kasus di Kota Lama Semarang." JRST (Jurnal Riset Sains dan Teknologi) 4, no. 2 (September 30, 2020): 63. http://dx.doi.org/10.30595/jrst.v4i2.6301.

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Kota Lama Semarang merupakan salah satu obyek wisata sejarah yang berada di kota Semarang dan pada tahun 2016 masuk sebagai salah satu nominasi World Heritage Site. Penelitian ini bertujuan untuk melakukan analisis anomali Bouguer data gaya berat studi kasus di Kawasan Kota Lama Semarang untuk membantu mengidentifikasi struktur bawah permukaan tanah di Kawasan tersebut yang setiap tahunnya selalu terjadi banjir rob, genangan air dan penurunan permukaan tanah. Pengolahan data anomali Bouger menggunakan software Oasis Montaj 6.4.2. Tahap awal dilakukan koreksi pasang surut (TC) dan koreksi apungan (DC). Tahap berikutnya dilakukan koreksi lanjut yang terdiri dari koreksi udara bebas (FAC) dan koreksi Bouguer (BC) hingga didapat kontur anomali udara bebas (FAA) dan kontur anomali Bouguer (BA). Nilai BA di Kawasan Kota Lama Semarang dengan interval 10,58 mGal s.d 11,65 mGal dengan koreksi FAC mempunyai rentang 1,48 mGal s.d 3,09 mGal, anomali FAA mempunyai rentang 11,1 mGal s.d 12,7 mGal serta koreksi gobs mempunyai rentang 978118,88 mGal s.d 978118,50 mGal. Kawasan dengan anomali Bouguer tinggi memiliki struktur batuan dengan densitas yang tinggi dibandingkan dengan Kawasan lainnya. Nilai anomali Bouguer semakin ke utara semakin rendah, dan semakin ke selatan semakin tinggi.
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Pebrian, Mutiara Qalbi, Marwan Marwan, and Nazli Ismail. "Interpretasi Data Anomali Gravitasi untuk Identifikasi Endapan Aluvium di Kuala Gigieng, Aceh Besar." Risalah Fisika 3, no. 1 (April 29, 2019): 15–19. http://dx.doi.org/10.35895/rf.v3i1.119.

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Abstrak – Aceh Besar dan Kota Banda Aceh merupakan kawasan pesisir yang dipengaruhi oleh proses sedimentasi. Kawasan ini didominasi oleh daratan berupa delta akibat aktivitas Sungai Krueng Aceh. Proses sedimentasi dapat dikaji menggunakan metode gravitasi berdasarkan distribusi percepatan gravitasi bawah permukaan. Pengukuran data gravitasi menggunakan alat Gravitimeter Scintrex CG-5. Jumlah titik pengukuran adalah 120 dan luas area pengukuran adalah 1858 × 725 m2.. Terdapat beberapa koreksi dalam pengolahan data gravitasi, seperti koreksi drift, pasang surut, lintang, koreksi udara bebas, koreksi bouguer dan koreksi medan. Koreksi-koreksi ini dilakukan untuk mendapatkan Anomali Bouguer Lengkap. Data anomali Bouger lengkap tersebut dipisahkan antara efek lokal dan regional. Profil nilai Anomali residual digunakan untuk pemodelan ke depan menggunakan Software Grav2Dc. Model 2D menunjukkan struktur bawah permukaan daerah penelitian terdiri dari 3 lapisan. Lapisan pertama diinterpretasikan sebagai lapisan aluvium 2 jenis pengendapan yaitu batuan aluvium pasiran (ρ = 1,66 gr/cm3) dan batu lempung (ρ = 2,07 gr/cm3) yang berada pada kedalaman 0-350 meter. Lapisan kedua diinterpretasikan sebagai batupasir (ρ = 2,11 gr/cm3). Lapisan ketiga diinterpretasikan sebagai batupasir tufaan (ρ = 2.18 gr/cm3) sebagai lapisan paling tua pada kedalaman 375 meter. Urutan pengendapan dimulai dari batupasir, batu lempung dan aluvium pasiran, kemudian terjadi pengulangan pengendapan antara aluvium pasiran dan batu lempung disebabkan oleh erosi pantai di atas permukaan.Kata kunci: metode gayaberat, anomali Bouger lengkap, Grav2Dc, endapan aluvium, Kuala Gigieng
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Tematur, Godensius, Jehunias L. Tanesib, and Redi K. Pingak. "INTERPRETASI BAWAH PERMUKAAN GUNUNG ANAK RANAKAH DENGAN PEMODELAN DUA DIMENSI (2D) BERDASARKAN DATA ANOMALI GRAVITASI LOKAL." Jurnal Fisika : Fisika Sains dan Aplikasinya 3, no. 1 (December 16, 2018): 54–58. http://dx.doi.org/10.35508/fisa.v3i1.595.

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ABSTRAK Penelitian geofisika dengan menggunakan metode gravitasi telah dilakukan di Gunung Anak Ranakah dan sekitarnya di kabupaten Manggarai Nusa Tenggara Timur pada bulan Juni sampai dengan bulan Juli 2016. Penelitian ini bertujuan untuk mengetahui kondisi geologi bawah permukaan daerah penelitian dengan menggunakan data anomali udara bebas dari Sandwell dan Smith 2016. Data tersebut direduksi dengan koreksi atmosfer, koreksi Bouguer Sederhana, dan koreksi kurvatur hingga memperoleh anomali Bouguer Lengkap. Data anomali Bouguer dibawa ke bawah bidang topografi dengan metode kontinuasi ke bawah sedalam 300 m menggunakan program Magpic. Selanjutnya dilakukan pemodelan 2 dimensi menggunakan program Grav2DC. Hasil yang diperoleh menunjukkan bahwa kondisi geologi bawah permukaan gunung Anak Ranakah dan Sekitarnya didominasi oleh batuan basalt (densitas 2,70 -3.30 ), andesit (densitas 2.4 -2.8 ), dan soil (densitas 1.2 -2.40 ). Kata kunci: Anomali Gravitasi, Pemodelan 2D, Gunung Anak Ranakah ABSTRACT Geophysical research by using the gravity method has been carried out on the Ranakah child mountain and surrounding areas in Manggarai Regency of East Nusa Tenggara in June until July 2016. This research aims to know the condition of the subsurface geology of the area of research using the free air anomaly data from Sandwell and Smith 2016. The data are reduced by atmospheric correction, Simple Bouguer correction, and the correction of curvature to obtain complete Bouguer anomalies. Bouguer anomaly data brought down the field topography with continuation method down as deep as 300 m using the Magpic. Then, 2 dimensional modeling is done using the Grav2DC. The results obtained show that the geological conditions under the surface of the Ranakah Child mountaoin and its surrounding area was dominated by basalt rocks (density of ), andesite (density of ), and soil rocks (density of ). Keywords: Gravity Anomaly, 2D Modelling, Ranakah child Mountain.
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Supriyadi, Supriyadi, Khumaedi Khumaedi, Sugiyanto Sugiyanto, and F. Setiaswan. "Pemisahan Anomali Regional dan Residual Data Gayaberat Studi Kasus di Kota Lama Semarang." Physics Education Research Journal 1, no. 1 (August 31, 2019): 29. http://dx.doi.org/10.21580/perj.2019.1.1.3927.

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Telah dilakukan penelitian dengan menggunakan metode gayaberat untuk mengidentifikasi struktur bawah permukaan di Kawasan Kota Lama Semarang sebagai survei awal untuk keperluan mitigasi bencana. Pengolahan data gayaberat untuk mengidentifikasi struktur bawah permukaan dilakukan melalui beberapa tahapan. Tahap awal dilakukan dengan koreksi awal berupa koreksi pasang surut dan koreksi apungan, kemudian dilakukan koreksi lanjut hingga didapat kontur anomali Bouguer lengkap. Melalui anomali Bouguer lengkap dapat dipisahkan anomali gaya berat regional dan residual. Pemisahan anomali regional dari anomali Bouguer dalam penelitian ini menggunakan metode <em>moving average </em>(perata-rataan bergerak) sedangkan anomali residual didapatkan dengan cara mengurangkan anomali Bouguer dengan anomali regional. Pemisahan anomali regional dan residual penting untuk dilakukan pada penelitian identifikasi struktur bawah permukaan untuk menginterpretasikan struktur geologi dan mendapatkan target yang dicari. Nilai anomali regional di Kawasan Kota Lama Semarang antara 28.0 mGal – 28.4 mGal sedangkan untuk anomali residual memiliki antara 31.6 mGal – 32.8 mGal.
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Dissertations / Theses on the topic "Anomalia Bouguer"

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Fernandes, Mariana Aparecida [UNESP]. "Análise, modelagem e interpretação de dados gravimétricos no lineamento Guapiara - região sudeste do estado de São Paulo." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/92923.

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Made available in DSpace on 2014-06-11T19:26:14Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-09-17Bitstream added on 2014-06-13T20:54:25Z : No. of bitstreams: 1 fernandes_ma_me_rcla.pdf: 1508467 bytes, checksum: 8b8cd50b69a9e77903b8b2d2f84a1c27 (MD5)
A gravimetria é um método geofísico empregado para subsidiar o entendimento de estruturas em subsuperfície contribuindo para a elucidação sobre arranjo, relações e compartimentações entre massas crustais. No presente trabalho o emprego da gravimetria auxiliou na caracterização do Lineamento Guapiara, onde ocorre um enxame de diques básicos mesozóicos subparalelos às direções N40-50W com 600 km de extensão e 20 a 100 km de largura. Os diques atravessam os terrenos pré-cambrianos e o embasamento da Faixa Ribeira e penetram na Bacia do Paraná até a altura do Rio Paraná. A elaboração de mapas de contorno isogálicos da anomalia Bouguer revelou um acentuado alto gravimétrico orientado segundo NW-SE o qual corresponde ao trend de maior concentração de diques, correlacionável ao Lineamento de Guapiara. Foram elaborados modelos crustais baseados em valores da anomalia Bouguer que caracterizam o alto gradiente gravimétrico ressaltado na área do feixe de diques, procurando reconhecer a influência do manto. Constatou-se que na região do Lineamento Guapiara ocorre um significativo afinamento da crosta, em decorrência da subida do Manto, reflexo da atividade epirogenética que representa a propagação de esforços que ocorreram na margem da placa relacionados com a tectônica divergente no interior da placa no Cretáceo
The geophysics, particularly the gravimetry, has been used to support the understanding of subsurface structures, contributing to the elucidation of arrangement, relations and partitioning between crustal masses. In the present work, the use of gravimetry helped in the characterization of the structural framework in the region of Guapiara Lineament, where there is a swarm of mesozoic basic dykes subparallel to the directions N40-50W. The dykes cross the precambrian lands and the basement of the Ribeira Belt, and penetrate in the Parana Basin to the height of the Parana River. The confection of maps of the Bouguer Anomaly revealed a accentuated high gravimetric guided by NW-SE which corresponds to the trend of highest concentration of dykes, correlated to the Guapiara Lineament. crustal models were made based on Bouguer anomaly values that characterize the high gravimetric gradient highlighted in the beam area of dykes, to recognize the influence of the mantle. It was found that occurs in the region a significant thinning of the crust, due to the rise in the mantle, reflecting the epirogenética activity which represents the spread of efforts occurred at the edge of plate tectonics related to the divergent within the plate in the Cretaceous
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Aquino, Robson dos Santos. "Levantamento gravimétrico do litoral médio do estado do Rio Grande do Sul: parte central emersa da bacia de Pelotas." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/164322.

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A origem e evolução da Bacia de Pelotas está diretamente relacionada com os processos tectônicos, que por sua vez, condicionam vários processos sedimentares. Assim, o estudo da compartimentação morfoestrutural é extremamente importante no seu entendimento evolutivo. O objetivo principal foi o levantamento gravimétrico terrestre da área de estudo, seu processamento e interpretação para posterior identificação de suas principais estruturas, assim como investigar a configuração morfoestrutural da porção central da Planície Costeira do Rio Grande do Sul. O método do potencial gravimétrico (gravimetria) é amplamente usado na prospecção mineral, análise de bacias, e mapeamentos geológicos por causa do seu baixo custo e rapidez nos resultados e fornecem informação quanto a geologia e a delimitação de estruturas e descontinuidades geológicas, além de fornecer importantes informações a respeito do embasamento subjacente no caso de bacias sedimentares. A área de estudo escolhida para a aplicação da metodologia proposta compreende a parte emersa da Bacia de Pelotas, na região central da Planície Costeira do Rio Grande do Sul, aproximadamente entre as latitudes 30° e 32°10’S e as longitudes 50°40’ e 52°40’W; situa-se em uma área que abrange os municípios costeiros do litoral médio do Rio Grande do Sul entre os municípios de São José do Norte e Palmares do Sul. O principal resultado gerado foi mapas de anomalia Bouguer e seus derivados identificando quatro setores de anomalias distintas, evidenciados por altos e baixos gravimétricos e sua possível correlação com as feições estruturais do embasamento geradas ou reativadas por rifteamento proveniente da origem da Bacia de Pelotas. Futuramente, outros métodos geofísicos podem ser utilizados e integrados para contribuir com o modelo proposto neste estudo.
The origin and evolution of the Pelotas Basin is directly related to tectonic processes, which in turn affect various sedimentary processes. Thus, the study of morphostructural compartments is extremely important in its evolution understanding. The main objective was the terrestrial gravimetric survey of the study area, its processing and interpretation for later identification of its main structures, as well as to investigate the morphostructural configuration of the middle portion of coastal plain Rio Grande do Sul. The method of gravity potential (gravity), is widely used in mineral prospecting, basin analysis, and geological mapping because of its low cost and speed of results and provide information about geology and delineation of structures and geological discontinuities, and provide essential information about the underlying basis in the case of sedimentary basins. The study area chosen for the implementation of the proposed methodology comprises the emerged part of the Pelotas Basin, in central Rio Grande do Sul coastal province, between latitudes 30° and 32°10'S and longitudes 50°4' and 52°40'W, in an area covering the coastal municipalities of the middle coast of Rio Grande do Sul State between the cities of São José do Norte and Palmares do Sul. The main results generated were Bouguer anomaly maps and derivatives by identifying four sectors of distinct anomalies highlighted by high and low gravity and its possible correlation with the structural features of the basement generated or reactivated by rifting related to Pelotas Basin origin. In the future, other geophysical methods can be used and integrated to contribute to the model suggested in this study.
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Nozaki, Kyozo. "Generalization of the Bouguer anomaly and its perspectives to the physical geodesy." 京都大学 (Kyoto University), 2006. http://hdl.handle.net/2433/144126.

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Fernandes, Mariana Aparecida. "Análise, modelagem e interpretação de dados gravimétricos no lineamento Guapiara - região sudeste do estado de São Paulo /." Rio Claro : [s.n.], 2010. http://hdl.handle.net/11449/92923.

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Resumo: A gravimetria é um método geofísico empregado para subsidiar o entendimento de estruturas em subsuperfície contribuindo para a elucidação sobre arranjo, relações e compartimentações entre massas crustais. No presente trabalho o emprego da gravimetria auxiliou na caracterização do Lineamento Guapiara, onde ocorre um enxame de diques básicos mesozóicos subparalelos às direções N40-50W com 600 km de extensão e 20 a 100 km de largura. Os diques atravessam os terrenos pré-cambrianos e o embasamento da Faixa Ribeira e penetram na Bacia do Paraná até a altura do Rio Paraná. A elaboração de mapas de contorno isogálicos da anomalia Bouguer revelou um acentuado alto gravimétrico orientado segundo NW-SE o qual corresponde ao trend de maior concentração de diques, correlacionável ao Lineamento de Guapiara. Foram elaborados modelos crustais baseados em valores da anomalia Bouguer que caracterizam o alto gradiente gravimétrico ressaltado na área do feixe de diques, procurando reconhecer a influência do manto. Constatou-se que na região do Lineamento Guapiara ocorre um significativo afinamento da crosta, em decorrência da subida do Manto, reflexo da atividade epirogenética que representa a propagação de esforços que ocorreram na margem da placa relacionados com a tectônica divergente no interior da placa no Cretáceo
Abstract: The geophysics, particularly the gravimetry, has been used to support the understanding of subsurface structures, contributing to the elucidation of arrangement, relations and partitioning between crustal masses. In the present work, the use of gravimetry helped in the characterization of the structural framework in the region of Guapiara Lineament, where there is a swarm of mesozoic basic dykes subparallel to the directions N40-50W. The dykes cross the precambrian lands and the basement of the Ribeira Belt, and penetrate in the Parana Basin to the height of the Parana River. The confection of maps of the Bouguer Anomaly revealed a accentuated high gravimetric guided by NW-SE which corresponds to the trend of highest concentration of dykes, correlated to the Guapiara Lineament. crustal models were made based on Bouguer anomaly values that characterize the high gravimetric gradient highlighted in the beam area of dykes, to recognize the influence of the mantle. It was found that occurs in the region a significant thinning of the crust, due to the rise in the mantle, reflecting the epirogenética activity which represents the spread of efforts occurred at the edge of plate tectonics related to the divergent within the plate in the Cretaceous
Orientador: Walter Malagutti Filho
Coorientador: Maximilian Fries
Banca: João Carlos Dourado
Banca: Francisco José Fonseca Ferreira
Mestre
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Gagg, Gilberto. "Emprego de dados gravimétricos e de altimetria por satélite como subsídio à análise morfoestrutural na região da Bacia de Pelotas - Rio Grande do Sul." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/106450.

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Dados de gravimetria e de altimetria por satélite foram usados como subsídio à análise morfoestrutural na região da Bacia de Pelotas-RS. Na abordagem gravimétrica foi usado o modelo geopotencial EGM2008 através das anomalias Bouguer e na abordagem batimétrica foi usado o modelo global DTU10BAT. Através dos mapas de anomalias Bouguer e perfis gravimétricos gerados, verificou-se que as anomalias Bouguer aumentam positivamente da costa em direção às maiores profundidades oceânicas, o que caracteriza um progressivo afinamento crustal associado à deriva continental. O comportamento das anomalias Bouguer obtidas por dados satelitais evidenciaram a presença de uma ruptura conhecida como Charneira Albo-aptiana na plataforma continental. A incidência de valores de anomalias significativamente positivas na região do Baixo de Mostardas sugere a presença de uma massa de maior densidade nesta região. A resolução dos dados gravimétricos utilizados não permitiu evidenciar a presença de paleocanais na região, sendo necessária uma maior resolução espacial, associada a outros métodos de investigação. O uso de dados de altimetria por satélite (modelo DTU10BAT) permitiu a análise batimétrica da plataforma continental e a investigação da configuração morfológica da região, que foi dividida em três faixas: Torres- Farol Solidão, Farol Solidão-Farol da Conceição e Farol da Conceição-Farol Sarita. Foi gerado um modelo teórico e comparado com o modelo DTU10BAT na geração do mapa de anomalias batimétricas. Os eixos de anomalias batimétricas negativas identificados estão frequentemente associados à direção de paleodrenagens, assim como as anomalias positivas tem relação com linhas de paleoestabilizações do nível do mar ou altos estruturais. Foi definida uma sequência de descontinuidades na altura do Farol da Conceição que apresentou expressiva coincidência com paleocanais delineados na mesma região através de outros estudos. Todos os dados foram processados e integrados em um sistema de informações geográficas. Os dados gravimétricos e batimétricos oriundos de missões satelitais são uma grande ferramenta nos estudos regionais para áreas que envolvam aplicações geológicas e mesmo oceanográficas.
Data from satellite altimetry and gravity were used to the morphostructural analysis in the Pelotas Basin-RS region. The EGM2008 geopotential model through the Bouguer anomalies was used in the gravimetric approach and the DTU10BAT global model was used in the bathymetric approach. Through the Bouguer anomalies maps and the gravimetric profiles that were generated, it was observed that Bouguer anomalies increase positively from coast towards to the major ocean depths, what characterizes a progressive crustal thinning associated with the continental drift. The behavior of the Bouguer anomalies obtained from satellite data showed the presence of a rupture, known as Charneira Albo-Aptiana, on the continental shelf. The incidence of significant positive anomalies values on the Baixo de Mostardas region suggests the presence of a higher-density mass in this region. Because of the resolution of the gravimetric data used in this research was not enough, it was not possible to show the presence of paleochannels in the region, requiring a greater spatial resolution data, associated with other methods of investigation. The use of satellite altimetric data (model DTU10BAT) allowed the bathymetric analysis of the continental shelf and the research of morphological configuration of the region, which was divided into three areas: Torres- Solidão Lighthouse, Solidão Lighthouse-Conceição Lighthouse and Conceição Lighthouse-Sarita Lighthouse. A theoretical model was generated and it was compared with the DTU10BAT model in the generation of the bathymetric anomalies map. The axes of negative bathymetric anomalies identified are often associated with the direction of paleochannels, as well as the positive anomalies are related to lines of sea level paleostabilizations or structural highs. It was defined a sequence of discontinuities at the Conceição Lighthouse proximities which presented a significant coincidence with paleochannels that were delineated in the same region through other studies. The data were processed and integrated in a geographic information system. Gravimetric and bathymetric data from satellite missions are an important tool in regional studies for areas that involve geological and oceanographic applications.
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Wehr, Hannah. "Modélisation 3D des Pyrénées à partir des données géologiques, gravimétriques et sismiques." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30317/document.

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Un modèle géologique tridimensionnel des Pyrénées et de leurs bassins d'avant-pays est construit avec le logiciel GeoModeller. Ce modèle tient compte de toutes les informations géologiques et géophysiques disponibles et couvre l'ensemble des Pyrénées, de l'Océan Atlantique à la Mer Méditerranée, et de la Chaîne Ibérique au Massif Central, jusqu'à 70 km de profondeur. Il est capable d'expliquer les principales caractéristiques des anomalies de Bouguer et des temps de trajet sismiques. Des inversions 3D sont réalisées pour affiner ce modèle. La modélisation et l'inversion géologiques et géophysiques révèlent des différences dans la structure crustal entre les Pyrénées occidentales et centrales et les Pyrénées orientales. Elles montrent en outre la présence de manteau exhumé et enfermé dans la croûte sous le Massif du Labourd et à Saint-Gaudens ainsi que la nécessité d'une anomalie de faible densité dans les Pyrénées orientales
A three-dimensional geological model of the Pyrenees and their foreland basins is constructed with the GeoModeller software. This model accounts for all the geological and geophysical information available and covers the whole Pyrenees, from the Atlantic Ocean to the Mediterranean Sea, and from the Iberian Range to the Massif Central, down to 70 km depth. It is able to explain main features of Bouguer gravity anomalies and of seismic travel times. 3D inversion is performed to refine this model. Joint geological and geophysical modeling and inversion reveal differences in the crustal structure between the western and central Pyrenees and the eastern Pyrenees. They show furthermore the presence of exhumed mantle material enclosed in the crust beneath the Labourd Massif and Saint-Gaudens, as well as the necessity of a low density anomalie in the eastern Pyrenees
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Bitalová, Katarína. "Gravimetrická měření a opakovaná nivelace na polygonu Tetčice." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227127.

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This master's thesis deals with measurements of highs and gravity of points polygon located in village Tetčice, through which is crossing a eastern fault of Boskovice furrow. With repeated measurement should be proved effect to high levels of groundwater. Repeated measurements are realized in the range 2 stages. In thesis is in detail described calculation complete Bouguer gravity anomaly and their quantitative interpretation. From the gravimetric of dates is created map of complete Bouguer gravity anomaly and interpretative profile through Boskovice furrow. Interpretative profile has localized fault, whose tectonic activity belong to possible factors level movement in the village. Level measurements meets the requirement of precise levelling. The results of the measurements are compared and discussed with the previous stages of the research.
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Zajíčková, Katarína. "Gravimetrická měření a opakovaná nivelace na polygonu Tetčice." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-390234.

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The object of this master´s thesis was levelling and weight measurement of the Tetčice polygon through which passes the fault of the Boskovice furrow. This is the 10th period of levelling and the second period of gravimetric measurement. The theoretical part describes the geological structure of the site, technology of high-precision levelling and technology of gravimetric measurement. The first part of the practical part deals with my own levelling measurement, the calculation of the resulting cambers and heights, consequential comparasion of the results with previous periods and, especially, with evaluation of the vertical movement tendecies. The second part of the practical part deals with my own gravimetric measurement, the calculation of the complete Bouguer gravity anomaly, creation map of complete Bouguer gravity anomaly and as well as evaluation of gravimetric measurement in relation to the results of the previous periods.
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Silvennoinen, H. (Hanna). "3D structure of the crust and upper mantle beneath Northern Fennoscandian shield." Doctoral thesis, University of Oulu, 2015. http://urn.fi/urn:isbn:9789526210681.

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Abstract The crustal and upper mantle structures of the Shield on the regional scale were investigated using the data of the POLENET/LAPNET passive seismic array and the previously published models of active and passive seismic experiments in the study area. This area is centred in northern Finland and it extends to surrounding areas in Sweden, Norway and northwestern Russia. The bedrock there is mostly of the Archaean origin and the lithosphere of the region was reworked by two orogenies during Palaeoproterozoic. One of the results of the thesis was a new map of the Moho depth of the study area, for which new estimates of the crustal thickness were obtained using receiver function method and complemented by published results of receiver function studies and controlled source seismic profiles. The map differs from the previously published maps in two locations, where we found significant deepening of the Moho. The 3D structure of the upper mantle was studied using teleseismic traveltime tomography method. The resulting model shows high seismic velocities below three cratonic units of the study area, which may correspond to non-reworked fragments of cratonic lithosphere and a low velocity anomaly separating these cratonic units from each other. The regional scale studies were complemented by two smaller scale studies in upper crust level using combined interpretation of seismic profiling and gravity data. These studies were centred on Archaean Kuhmo Greenstone Belt in eastern Finland and central Lapland in northern Finland located in the crust reworked during Palaeoproterozoic. Both areas are considered as prospective ones for mineral exploration. Both studies demonstrate the advantage of gravity data inversion in studying 3D density structure of geologically interesting formations, when the Bouguer anomaly data is combined with a priori information from petrophysical and seismic datasets.
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Pešek, Michal. "Měření vertikálního tíhového gradientu na lokalitě TS-73 "Polom", Trutnov - Babí." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-390186.

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This master´s thesis deals with the determination of vertical gravity gradient in the shaft below the infantry bunker TS - 73 "Polom" located in village Babí. After performing position, elevation and gravity measurements detailed points, representing the two vertical profiles were calculated gravity, vertical gravity gradient, block densities ang gravity anomalies depending on the depth. Other outputs work as a topographic map and a map of full Bouguer anomalies for the wider area of the location and interpretive geologic profile.
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Books on the topic "Anomalia Bouguer"

1

Kevi, L. Dinninup 1:100 000: Bouguer anomaly map. Perth: Geological Survey of Western Australia, 1991.

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Kevi, L. The Quongering Gravity Low: 1:100000 Bouguer anomaly map. Perth: Geological Survey of Western Australia, 1992.

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Robbins, S. L. Complete Bouguer and isostatic residual gravity maps of the Anadarko Basin, Wichita Mountains, and surrounding areas, Oklahoma, Kansas, Texas, and Colorado. [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1992.

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Robbins, S. L. Complete Bouguer and isostatic residual gravity maps of the Anadarko Basin, Wichita Mountains, and surrounding areas, Oklahoma, Kansas, Texas, and Colorado. Denver, CO: U.S. G.P.O., 1992.

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Robbins, Stephen L. Complete Bouguer and isostatic residual gravity maps of the Anadarko Basin, Wichita Mountains, and surrounding areas, Oklahoma, Kansas, Texas, and Colorado. Washington: U.S. G.P.O., 1992.

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Project, Mid-Norden. Gravity anomaly map of central Fennoscandia: Bouguer anomalies. Mid-Norden Project, 1996.

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Project, Nordkalott. Gravity anomaly map, northern Fennoscandia: Terrain corrected Bouguer anomalies. Nordkalott Project, 1986.

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Understanding the Bouguer Anomaly: A Gravimetry Puzzle. Elsevier Science & Technology Books, 2017.

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Complete bouguer gravity anomaly map of Utah. Utah Geological Survey, 1989. http://dx.doi.org/10.34191/m-122.

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Mohl, Gregory Blaine. Bouguer gravity investigation of the cratonic margin: Southeastern Washington. 1985.

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Book chapters on the topic "Anomalia Bouguer"

1

Byrne, Charles J. "Bouguer Gravity Anomaly Patterns of Impact Features." In The Moon's Largest Craters and Basins, 29–34. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-22032-1_5.

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Vajda, P., P. Vaníček, P. Novák, R. Tenzer, A. Ellmann, and B. Meurers. "On Ambiguities in Definitions and Applications of Bouguer Gravity Anomaly." In Gravity, Geoid and Earth Observation, 19–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-10634-7_3.

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Mallick, K., A. Vasanthi, and K. K. Sharma. "Regional and Residual Gravity Anomalies: The Existing Issues." In Bouguer Gravity Regional and Residual Separation: Application to Geology and Environment, 9–18. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-0406-0_2.

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Verma, R. K. "Description of Bouguer and Free-Air Anomaly Maps of Peninsular India." In Gravity Field, Seismicity and Tectonics of the Indian Peninsula and the Himalayas, 30–43. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5259-1_3.

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"Bouguer anomaly." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 155. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_22835.

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"bouguer gravity anomalies." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 155. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_22838.

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Meurers, Bruno. "The Physical Meaning of Bouguer Anomalies—General Aspects Revisited." In Understanding the Bouguer Anomaly, 13–30. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-812913-5.00001-4.

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Mikuška, Ján, Roman Pašteka, Pavol Zahorec, Juraj Papčo, Ivan Marušiak, and Martin Krajňák. "Some Remarks on the Early History of the Bouguer Anomaly." In Understanding the Bouguer Anomaly, 31–61. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-812913-5.00002-6.

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Karcol, Roland, Ján Mikuška, and Ivan Marušiak. "Normal Earth Gravity Field Versus Gravity Effect of Layered Ellipsoidal Model." In Understanding the Bouguer Anomaly, 63–77. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-812913-5.00003-8.

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Zahorec, Pavol, Ivan Marušiak, Ján Mikuška, Roman Pašteka, and Juraj Papčo. "Numerical Calculation of Terrain Correction Within the Bouguer Anomaly Evaluation (Program Toposk)." In Understanding the Bouguer Anomaly, 79–92. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-812913-5.00004-x.

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Conference papers on the topic "Anomalia Bouguer"

1

Masinde, Abiud, Cleophas Simiyu, Innocent Murunga, George Muia, Aaron Waswa, and Justus Barongo. "A Preliminary Assessment of the Hydrocarbon Potential of Kerio Valley Basin: Gravity and Magnetic Interpretation." In SPE/AAPG Africa Energy and Technology Conference. SPE, 2016. http://dx.doi.org/10.2118/afrc-2546156-ms.

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ABSTRACT The aim of the study was to assess the hydrocarbon prospectivity of the Kerio Basin in the Kenya Rift. An Isostatically corrected anomaly map produced from a Bouguer anomaly grid was filtered using a Hanning low pass filter of order 2 to remove low wavelengths. Four profiles were extracted from the grid to give 1D interpretation along straight lines. Magnetic grid was corrected for IGRF, diurnal, filtered using a 1 Hz low pass 10km Hanning filter to reduce noise, later, reduced to equator to place all anomalies directly over underlying sources and make anomalies less complicated. Tilt derivative of the magnetic grid was used to estimate depth to basement. The residual analytic signal anomaly map derived from the magnetic grid was used to capture the response of existing near surface magnetic signatures even the reversely magnetized ones. Kerio basin is characterised by low gravity anomalies ranging between 35mGals to −100mGals related to variations in quantities of sediments deposited. Gravity profiles show that sediment thickness gradually increases to the south where we expect hydrocarbon accumulation. The magnetic anomaly map reveals low susceptibility rocks of between −20nT to −200nT to the south of the basin. Magnetic tilt depth indicates sediment thickness of 2.0-3.5Km above the basement. This corresponds to both gravity and magnetic interpretation of the same area. Integration of these data with seismic and other constraints may help gauge the hydrocarbon potential and reduce exploration uncertainty in the southern area of the Kerio Basin.
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Sastry, Rambhatla G. "Variable density option in Bouguer anomaly computation." In SEG Technical Program Expanded Abstracts 2005. Society of Exploration Geophysicists, 2005. http://dx.doi.org/10.1190/1.2144424.

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Aydin, N., T. İşseven, and H. T. Genc. "Gravity Modelling Of Cumra-Konya Region Bouguer Anomalies." In 9th Congress of the Balkan Geophysical Society. Netherlands: EAGE Publications BV, 2017. http://dx.doi.org/10.3997/2214-4609.201702558.

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Glušonok, Arnoldas, and Romuald Obuchovski. "GRAVITACIJOS LAUKO TYRIMŲ ANALIZĖ." In 24th Conference for Junior Researchers „Civilinė inžinerija ir geodezija“. Vilnius Gediminas Technical University, 2021. http://dx.doi.org/10.3846/geo.2021.006.

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Straipsnyje analizuojamas šiaurės rytų Lietuvos teritorijos dalies gravitacijos laukas. Analizei pasitelkti gra-vitacinės nuotraukos matavimo duomenys ir pasaulinių sunkio lauko modeliai. Nagrinėjamos iš skirtingų pradinių duomenų šaltinių gautos Bouguer anomalijos. Sudaryti skirtumų kontūriniai žemėlapiai. Atliekamas anomalijų tarp mod-elių skirtumo palyginimas. Remiantis gautais rezultatais pateikiamos išvados apie tirti pasirinktus pasaulio sunkio lauko modelių atitiktį realiam laukui.
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Aydin, N. G., and T. Isseven. "Boundary Analysis Using Moving Average Differences of Bouguer Gravity Anomalies." In 10th Congress of the Balkan Geophysical Society. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201902630.

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C. de Sa, Nelsi, Naomi Ussami, Eder Molina, and Denizar Blitzkow. "MAPA GRAVIMETRICO DO BRASIL I: REPRESENTAÇĂO DAS ANOMALIAS AR-LlVRE E BOUGUER." In 1st International Congress of the Brazilian Geophysical Society. European Association of Geoscientists & Engineers, 1989. http://dx.doi.org/10.3997/2214-4609-pdb.317.sbgf087.

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Malagutti Filho, Walter, Hans Dirk Ebert, Yociteru Hasui, Nicolau Ladislau Haralyi, Peter Christian Hackspacher, and Claudio Alexandre de Souza. "Mapa de Anomalias Bouguer e Modelagem Gravimétrica do SuI de Minas GeraisAP A." In 5th International Congress of the Brazilian Geophysical Society. European Association of Geoscientists & Engineers, 1997. http://dx.doi.org/10.3997/2214-4609-pdb.299.223.

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Mikuška, Ján, Ivan Marušiak, Roman Pašteka, and Miroslav Bielik. "Linear tendencies intrinsic to the Bouguer anomalies in areas of topographic relief." In SEG Technical Program Expanded Abstracts 2012. Society of Exploration Geophysicists, 2012. http://dx.doi.org/10.1190/segam2012-0978.1.

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Xu, M. L., Y. G. Wu, and C. B. Yang. "Denoising of the Bouguer Anomaly Data Based on the Discrete Shearlet Transform." In 77th EAGE Conference and Exhibition 2015. Netherlands: EAGE Publications BV, 2015. http://dx.doi.org/10.3997/2214-4609.201412521.

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Xu, Menglong, Changbao Yang, and Yangang Wu. "A study on the separation of a Bouguer anomaly map using wavelet analysis." In International Conference on Earth Science and Environmental Protection (ICESEP2013). Southampton, UK: WIT Press, 2013. http://dx.doi.org/10.2495/icesep130231.

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Reports on the topic "Anomalia Bouguer"

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Seemann, D. A. Bouguer Anomaly Field, northeastern British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1990. http://dx.doi.org/10.4095/128152.

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Goodacre, A. K., R. A. F. Grieve, and J. F. Halpenny. Bouguer gravity anomaly map of Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/127245.

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Miles, F. W. Gravity-Bouguer anomalies, northern B.C., Yukon and N.W.T. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1994. http://dx.doi.org/10.4095/194286.

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Cook, D. G., and B. C. MacLean. Figure 6. Bouguer gravity anomaly map (free air offshore). Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/216180.

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Goodacre, A. K., R. A. F. Grieve, and J. F. Halpenny. Vertical gradient of the Bouguer gravity anomaly map of Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1989. http://dx.doi.org/10.4095/127671.

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Goodacre, A. K., R. A. F. Grieve, and J. F. Halpenny. Horizontal gradient of the Bouguer gravity anomaly map of Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/127247.

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Sharpton, V. L., R. A. F. Grieve, and J. F. Halpenny. Horizontal Gradient of Bouguer Anomaly Data, North America and Adjacent Offshore. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/130204.

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Pilkington, M., R. A. F. Grieve, J. D. Rupert, and J. F. Halpenny. Vertical gradient of the Bouguer gravity anomaly map of North America. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/183809.

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Pilkington, M., R. A. F. Grieve, J. D. Rupert, and J. F. Halpenny. Horizontal gradient of the Bouguer gravity anomaly map of North America. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/183810.

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Morris, R., D. M. Jobin, M. D. Thomas, N. Rogers, and S R McCutcheon. New gravity data for the Bathurst Mining Camp, northeastern New Brunswick: a colour-shaded Bouguer gravity anomaly map (linear colour contour interval) with gravity station locations and posted Bouguer anomaly values. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2007. http://dx.doi.org/10.4095/223792.

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