Publisher: SciELO   (Total: 911 journals)

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Showing 1 - 200 of 911 Journals sorted alphabetically
Abanico Veterinario     Open Access   (Followers: 4)
ABCD. Arquivos Brasileiros de Cirurgia Digestiva     Open Access   (Followers: 3, SJR: 0.207, CiteScore: 1)
ACIMED     Open Access   (Followers: 1)
Acta Agronómica     Open Access  
Acta Amazonica     Open Access   (Followers: 7, SJR: 0.36, CiteScore: 1)
Acta Bioethica     Open Access   (SJR: 0.196, CiteScore: 0)
Acta Bioquimica Clinica Latinoamericana     Open Access   (Followers: 1)
Acta Botanica Brasilica     Open Access   (Followers: 3, SJR: 0.325, CiteScore: 1)
Acta botánica mexicana     Open Access   (Followers: 1, SJR: 0.212, CiteScore: 0)
Acta Botánica Venezuelica     Open Access   (Followers: 1, SJR: 0.103, CiteScore: 0)
Acta Cirurgica Brasileira     Open Access   (SJR: 0.395, CiteScore: 1)
Acta Limnologica Brasiliensia     Open Access   (Followers: 4, SJR: 0.28, CiteScore: 1)
Acta Literaria     Open Access   (Followers: 5, SJR: 0.1, CiteScore: 0)
Acta Medica Colombiana     Open Access   (Followers: 1)
Acta Médica Costarricense     Open Access   (Followers: 2)
Acta Medica Peruana     Open Access   (Followers: 2)
Acta Neurológica Colombiana     Open Access   (Followers: 2)
Acta Nova     Open Access   (Followers: 1)
Acta Obstétrica e Ginecológica Portuguesa     Open Access   (Followers: 1)
Acta Ortopédica Brasileira     Open Access   (Followers: 1, SJR: 0.343, CiteScore: 1)
Acta Paulista de Enfermagem     Open Access   (Followers: 3, SJR: 0.275, CiteScore: 1)
Acta Pediátrica Costarricense     Open Access   (Followers: 1)
Acta Poética     Open Access   (Followers: 4, SJR: 0.101, CiteScore: 0)
Acta Portuguesa de Nutrição     Open Access   (Followers: 1)
Acta Scientiarum. Agronomy     Open Access   (Followers: 6, SJR: 0.431, CiteScore: 1)
Acta Scientiarum. Animal Sciences     Open Access   (Followers: 4, SJR: 0.25, CiteScore: 0)
Acta zoológica mexicana     Open Access   (Followers: 1)
Actas Odontológicas     Open Access   (Followers: 1)
Actualidades Biológicas     Open Access   (Followers: 2)
African Human Rights Law J.     Open Access   (Followers: 19)
African Natural History     Open Access   (Followers: 4, SJR: 0.198, CiteScore: 1)
Afro-Asia     Open Access  
Ágora - studies in psychoanalytic theory     Open Access   (Followers: 3, SJR: 0.132, CiteScore: 0)
Agricultura Tecnica     Open Access   (Followers: 5)
Agricultura, Sociedad y Desarrollo     Open Access   (Followers: 4)
Agrociencia     Open Access   (Followers: 1, SJR: 0.2, CiteScore: 0)
Agrociencia Uruguay     Open Access  
Agronomía Mesoamericana     Open Access   (Followers: 1)
Agronomía Tropical     Open Access   (Followers: 2)
Aisthesis     Open Access   (Followers: 7, SJR: 0.106, CiteScore: 0)
Ajayu Órgano de Difusión Científica del Departamento de Psicología UCBSP     Open Access  
Alea : Estudos Neolatinos     Open Access   (Followers: 2, SJR: 0.1, CiteScore: 0)
Aletheia : Revista de Desarrollo Humano, Educativo y Social Contemporáneo     Open Access   (Followers: 1)
Alfa : Revista de Linguística     Open Access  
Alpha (Osorno)     Open Access   (SJR: 0.138, CiteScore: 0)
Alteridades     Open Access   (Followers: 2)
Ambiente & sociedade     Open Access   (Followers: 3, SJR: 0.235, CiteScore: 0)
Ambiente & Agua : An Interdisciplinary J. of Applied Science     Open Access   (Followers: 1, SJR: 0.263, CiteScore: 1)
Ambiente Construído     Open Access   (Followers: 1)
América Latina en la historia económica     Open Access   (Followers: 4, SJR: 0.134, CiteScore: 0)
Anais Brasileiros de Dermatologia     Open Access   (Followers: 2, SJR: 0.52, CiteScore: 1)
Anais da Academia Brasileira de Ciências     Open Access   (Followers: 2, SJR: 0.418, CiteScore: 1)
Anais do Museu Paulista : História e Cultura Material     Open Access  
Anales de Medicina Interna     Open Access   (Followers: 1)
Anales del Instituto de la Patagonia     Open Access  
Anales del Sistema Sanitario de Navarra     Open Access   (Followers: 1, SJR: 0.157, CiteScore: 0)
Análise Psicológica     Open Access   (Followers: 1, SJR: 0.16, CiteScore: 0)
Análise Social     Open Access   (Followers: 4, SJR: 0.16, CiteScore: 0)
Análisis Economico     Open Access  
Andean geology     Open Access   (Followers: 9, SJR: 0.674, CiteScore: 1)
Anestesia Analgesia Reanimación     Open Access   (Followers: 1)
Anestesia en México     Open Access   (Followers: 1)
Antipoda : Revista de Antropología y Arqueología     Open Access   (Followers: 5, SJR: 0.135, CiteScore: 0)
Antropología Social y Cultural en Uruguay     Open Access   (Followers: 1)
Anuario Colombiano de Historia Social y de la Cultura     Open Access   (SJR: 0.1, CiteScore: 0)
Anuario de Historia Regional y de las Fronteras     Open Access  
Anuario de Letras : Lingüística y Filología     Open Access   (Followers: 1)
Apuntes : Revista de Estudios sobre Patrimonio Cultural - J. of Cultural Heritage Studies     Open Access   (Followers: 7)
Aquichán     Open Access   (Followers: 2, SJR: 0.137, CiteScore: 0)
Archivos de Medicina Interna     Open Access   (Followers: 1)
Archivos de Medicina Veterinaria     Open Access   (Followers: 1, SJR: 0.194, CiteScore: 0)
Archivos de Neurociencias     Open Access   (Followers: 3, SJR: 0.111, CiteScore: 0)
Archivos de Pediatria del Uruguay     Open Access   (Followers: 3)
Archivos de Prevención de Riesgos Laborales     Open Access   (Followers: 1)
Archivos de Zootecnia     Open Access   (Followers: 1, SJR: 0.202, CiteScore: 0)
Archivos Españoles de Urología     Open Access   (SJR: 0.178, CiteScore: 0)
Archivos Latinoamericanos de Nutrición     Open Access   (Followers: 2)
Archivos Venezolanos de Farmacología y Terapéutica     Open Access   (SJR: 0.101, CiteScore: 0)
Argos     Open Access   (Followers: 1)
ARQ     Open Access   (Followers: 6, SJR: 0.113, CiteScore: 0)
Arquitectura y Urbanismo     Open Access   (Followers: 4)
Arquivo Brasileiro de Medicina Veterinária e Zootecnia     Open Access   (SJR: 0.248, CiteScore: 0)
Arquivos Brasileiros de Cardiologia     Open Access   (Followers: 2, SJR: 0.381, CiteScore: 1)
Arquivos Brasileiros de Endocrinologia e Metabologia     Open Access  
Arquivos Brasileiros de Oftalmologia     Open Access   (Followers: 1, SJR: 0.518, CiteScore: 1)
Arquivos Brasileiros de Psicologia     Open Access   (Followers: 1, SJR: 0.196, CiteScore: 0)
Arquivos de Gastroenterologia     Open Access   (Followers: 1, SJR: 0.396, CiteScore: 1)
Arquivos de Medicina     Open Access   (Followers: 1)
Arquivos de Neuro-Psiquiatria     Open Access   (SJR: 0.448, CiteScore: 1)
Arquivos do Instituto Biológico     Open Access   (Followers: 1)
Arquivos Internacionais de Otorrinolaringologia     Open Access  
ARS     Open Access   (Followers: 3)
Atenea (Concepción)     Open Access   (SJR: 0.112, CiteScore: 0)
Atmósfera     Open Access   (Followers: 3, SJR: 0.449, CiteScore: 1)
Audiology - Communication Research     Open Access   (Followers: 10)
Austral J. of Veterinary Sciences     Open Access   (Followers: 2)
Avaliação : Revista da Avaliação da Educação Superior (Campinas)     Open Access  
Avaliação Psicológica     Open Access   (SJR: 0.164, CiteScore: 0)
Avances en Enfermería     Open Access   (Followers: 3)
Avances en Odontoestomatologia     Open Access   (Followers: 1, SJR: 0.105, CiteScore: 0)
Avances en Periodoncia e Implantología Oral     Open Access   (Followers: 1)
Bakhtiniana : Revista de Estudos do Discurso     Open Access   (SJR: 0.103, CiteScore: 0)
BAR. Brazilian Administration Review     Open Access   (Followers: 2, SJR: 0.137, CiteScore: 0)
Bioagro     Open Access   (Followers: 1, SJR: 0.207, CiteScore: 0)
Biosalud     Open Access   (Followers: 1)
Biota Neotropica     Open Access   (SJR: 0.381, CiteScore: 1)
Biotecnología Aplicada     Open Access   (SJR: 0.146, CiteScore: 0)
Biotecnología en el Sector Agropecuario y Agroindustrial     Open Access  
Boletim Academia Paulista de Psicologia     Open Access  
Boletim de Ciências Geodésicas     Open Access   (SJR: 0.188, CiteScore: 0)
Boletim de Educação Matemática     Open Access   (SJR: 0.196, CiteScore: 0)
Boletim do Museu Paraense Emílio Goeldi. Ciências Humanas     Open Access   (Followers: 1, SJR: 0.238, CiteScore: 0)
Boletin Chileno de Parasitologia     Open Access  
Boletín Científico : Centro de Museos. Museo de Historia Natural     Open Access   (Followers: 1)
Boletín de Filología     Open Access  
Boletín de la Sociedad Botánica de México     Open Access  
Boletin de la Sociedad Chilena de Quimica     Open Access  
Boletín de la Sociedad Geológica Mexicana     Open Access   (SJR: 0.291, CiteScore: 1)
Boletín del Museo Chileno de Arte Precolombino     Open Access   (Followers: 1, SJR: 0.233, CiteScore: 0)
Boletin Mexicano de Derecho Comparado     Open Access   (Followers: 2, SJR: 0.107, CiteScore: 0)
Bosque     Open Access   (Followers: 2, SJR: 0.29, CiteScore: 1)
Bragantia     Open Access   (Followers: 2, SJR: 0.555, CiteScore: 1)
Brazilian Archives of Biology and Technology     Open Access   (Followers: 3, SJR: 0.281, CiteScore: 1)
Brazilian Business Review     Open Access  
Brazilian Dental J.     Open Access   (Followers: 4, SJR: 0.476, CiteScore: 1)
Brazilian J. Geology     Open Access   (Followers: 1)
Brazilian J. of Biology     Open Access   (Followers: 3, SJR: 0.523, CiteScore: 1)
Brazilian J. of Chemical Engineering     Open Access   (Followers: 5, SJR: 0.395, CiteScore: 1)
Brazilian J. of Food Technology     Open Access   (Followers: 3, SJR: 0.206, CiteScore: 0)
Brazilian J. of Medical and Biological Research     Open Access   (SJR: 0.611, CiteScore: 2)
Brazilian J. of Microbiology     Open Access   (Followers: 5, SJR: 0.63, CiteScore: 2)
Brazilian J. of Oceanography     Open Access   (Followers: 1, SJR: 0.425, CiteScore: 1)
Brazilian J. of Oral Sciences     Open Access   (Followers: 2, SJR: 0.131, CiteScore: 0)
Brazilian J. of Pain (BrJP)     Open Access  
Brazilian J. of Physical Therapy     Open Access   (Followers: 2, SJR: 0.802, CiteScore: 2)
Brazilian J. of Plant Physiology     Open Access   (Followers: 3, SJR: 1.178, CiteScore: 3)
Brazilian J. of Veterinary Research and Animal Science     Open Access   (Followers: 8, SJR: 0.225, CiteScore: 0)
Brazilian Oral Research     Open Access  
Brazilian Political Science Review     Open Access   (Followers: 2)
Bulletin of the World Health Organization     Open Access   (Followers: 22, SJR: 2.532, CiteScore: 3)
Caderno CRH     Open Access   (Followers: 3, SJR: 0.233, CiteScore: 0)
Caderno de Estudos     Open Access  
Cadernos CEDES     Open Access   (Followers: 1, SJR: 0.119, CiteScore: 0)
Cadernos de Pesquisa     Open Access   (Followers: 2, SJR: 0.183, CiteScore: 0)
Cadernos de Saúde Pública     Open Access   (Followers: 1, SJR: 0.568, CiteScore: 1)
Cadernos de Tradução : Universidade Federal de Santa Catarina     Open Access  
Cadernos Metrópole     Open Access   (Followers: 1)
Cadernos Nietzsche     Open Access  
Cadernos Pagu     Open Access   (SJR: 0.356, CiteScore: 0)
Cadernos Saúde Coletiva     Open Access   (Followers: 1)
Caldasia     Open Access   (SJR: 0.195, CiteScore: 0)
Calidad en la educación     Open Access   (Followers: 1)
Case Reports     Open Access  
Cerâmica     Open Access   (Followers: 6, SJR: 0.186, CiteScore: 0)
CERNE     Open Access   (Followers: 1, SJR: 0.368, CiteScore: 1)
CES Medicina     Open Access  
CES Medicina Veterinaria y Zootecnia     Open Access   (Followers: 1)
CES Psicología     Open Access   (Followers: 1)
Chilean J. of Agricultural & Animal Sciences     Open Access   (Followers: 1)
Chilean J. of Agricultural Research     Open Access   (Followers: 1, SJR: 0.377, CiteScore: 1)
Chungara (Arica) - Revista de Antropologia Chilena     Open Access   (Followers: 1, SJR: 0.565, CiteScore: 1)
Ciência & Saúde Coletiva     Open Access   (Followers: 2, SJR: 0.566, CiteScore: 1)
Ciência & Educação (Bauru)     Open Access  
Ciência Animal Brasileira     Open Access   (Followers: 1, SJR: 0.216, CiteScore: 0)
Ciência da Informação     Open Access   (Followers: 1, SJR: 0.121, CiteScore: 0)
Ciencia del suelo     Open Access   (Followers: 2)
Ciência e Agrotecnologia     Open Access   (SJR: 0.383, CiteScore: 1)
Ciencia e Cultura     Open Access   (Followers: 1)
Ciencia e Ingenieria Neogranadina     Open Access  
Ciencia e Investigación Agraria     Open Access   (Followers: 1, SJR: 0.211, CiteScore: 0)
Ciencia forestal en México     Open Access  
Ciência Rural     Open Access   (Followers: 2, SJR: 0.337, CiteScore: 1)
Ciencia y Enfermeria - Revista Iberoamericana de Investigacion     Open Access   (Followers: 3, SJR: 0.158, CiteScore: 0)
Ciencias Marinas     Open Access   (Followers: 3, SJR: 0.414, CiteScore: 1)
Ciencias Psicológicas     Open Access  
Cirugia Plastica Ibero-Latinoamericana     Open Access   (SJR: 0.166, CiteScore: 0)
Cirujano General     Open Access   (Followers: 1)
Civilizar Ciencias Sociales y Humanas     Open Access   (Followers: 3)
Civitas - Revista de Ciências Sociais     Open Access   (Followers: 3)
CLEI Electronic J.     Open Access  
Clínica y Salud     Open Access   (SJR: 0.173, CiteScore: 0)
Clinics     Open Access   (SJR: 0.536, CiteScore: 1)
Co-herencia     Open Access   (SJR: 0.106, CiteScore: 0)
CoDAS     Open Access   (SJR: 0.267, CiteScore: 0)
Cofin Habana     Open Access   (Followers: 1)
Colombia Internacional     Open Access   (Followers: 1, SJR: 0.218, CiteScore: 0)
Compendio de Ciencias Veterinarias     Open Access  
Computación y Sistemas     Open Access   (SJR: 0.226, CiteScore: 1)
Comuni@cción     Open Access   (Followers: 1)
Comunicación y sociedad     Open Access   (Followers: 2, SJR: 0.327, CiteScore: 0)
Concreto y cemento. Investigación y desarrollo     Open Access   (Followers: 1)
Confines     Open Access  
Contaduría y Administración     Open Access   (SJR: 0.219, CiteScore: 0)
Contexto Internacional     Open Access  
Convergencia     Open Access   (Followers: 3, SJR: 0.196, CiteScore: 0)
Correo Científico Médico     Open Access  
Corrosão e Protecção de Materiais     Open Access  
Crop Breeding and Applied Biotechnology     Open Access   (Followers: 3, SJR: 0.609, CiteScore: 1)
CT&F - Ciencia, Tecnología y Futuro     Open Access   (Followers: 1, SJR: 0.138, CiteScore: 0)
Cuadernos de Administración     Open Access   (SJR: 0.118, CiteScore: 0)

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Boletim de Ciências Geodésicas
Journal Prestige (SJR): 0.188
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1413-4853 - ISSN (Online) 1982-2170
Published by SciELO Homepage  [911 journals]
  • MODELING OF ROOFS FROM POINT CLOUDS USING GENETIC ALGORITHMS

    • Abstract: : Building roof extraction has been studied for more than thirty years and it generates models that provide important information for many applications, especially urban planning. The present work aimed to model roofs only from point clouds using genetic algorithms (GAs) to develop a more automatized and efficient method. For this, firstly, an algorithm for edge detection was developed. Experiments were performed with simulated and real point clouds, obtained by LIDAR. In the experiments with simulated point clouds, three types of point clouds with different complexities were created, and the effects of noise and scan line spacing on the results were evaluated. For the experiments with real point clouds, five roofs were chosen as examples, each with a different characteristic. GAs were used to select, among the points identified during edge detection, the so-called ‘significant points’, those which are essential to the accurate reconstruction of the roof model. These points were then used to generate the models, which were assessed qualitatively and quantitatively. Such evaluations showed that the use of GAs proved to be efficient for the modeling of roofs, as the model geometry was satisfactory, the error was within an acceptable range, and the computational effort was clearly reduced.
       
  • ASSESSMENT OF NEUTRAL ATMOSPHERIC DELAY PREDICTIONS BASED ON THE TEMPORAL
           RESOLUTION OF AN ATMOSPHERIC MODEL

    • Abstract: : In Global Navigation Satellite Systems (GNSS), the effects of neutral atmosphere in electromagnetic signal propagation impacts directly on the quality of the final estimated position, leading to errors in the metric order. Using an atmospheric model is a good strategy to minimize these errors, because it becomes possible to obtain a neutral atmospheric delay with the same spatial and temporal resolution, taking into consideration particularities of the atmosphere treated by a numerical model. The regional model of the Center for Weather Forecasting and Climate Studies (CPTEC) used in this paper has a spatial resolution of 15 km and a temporal resolution of 3 hours. Usually, the delay prediction of 3 hours is interpolated in time to GNSS applications and this can influence the quality of the values obtained in each interpolated epoch. Higher temporal resolutions can lead to lower errors in the final position. In this paper, the quality of delay predictions is evaluated for this atmospheric model with resolutions of 6 and 3 hours. The estimated delay, derived from meteorological data in the same location as the geodetic data, is considered as “truth”. The temporal resolution of 3 hours shows better results than using 6 hours, particularly for the hydrostatic component in the initial prediction period, RMSE of 1.25 cm was reduced to 0.2 cm in NEIA station.
       
  • ADJUSTMENT OF A REGIONAL ALTIMETRIC NETWORK, IN BRAZIL, TO ESTIMATE NORMAL
           HEIGHTS AND GEOPOTENTIAL NUMBERS

    • Abstract: : In 2018, the Brazilian Institute of Geography and Statistics (IBGE) defined the normal height values and geopotential numbers for the High Precision Altimetric Network (HPAN), creating the need for developing procedures able to adapt works correlated with the Brazilian Geodetic System (BGS). In that context, and considering the state and municipal altimetric networks, it is necessary to estimate normal heights. To this end, this paper proposes to estimate normal height values and geopotential numbers for the Altimetric Network of the Federal District (AN-DF). Computational procedures involving the Least Squares Method were established and applied in a geometric levelling survey, which includes 200 stations distributed throughout the study area. The obtained results allowed estimating the normal heights of the network stations with accuracy up to 0.032m. However, because significant differences were found in the adjusted and known values of some used HPAN stations, we recommend a rigorous analysis of these stations before using them. In any case considering that the geometric levelling and the applied procedures were carried out correctly, it is suggested that the values estimated for all stations of the AN-DF in this work may be used.
       
  • PERFORMANCE ANALYSIS OF WEB-BASED RELATIVE AND PRECISE POINT POSITIONING
           TECHNIQUES WITH DIFFERENT SATELLITE VISIBILITY CONDITIONS

    • Abstract: : The Global Navigation Satellite System (GNSS) is used for precise positioning applications, such as surveying and geodesy. The aim of the present work is to evaluate the effectiveness of web-based relative positioning (RP) and precise point positioning (PPP) GNSS post-processing services using measurements of different satellite visibility obstacles. Within this framework, static GNSS observations were conducted at three control benchmarks selected taking the impact of natural and human-made obstacles on satellite signals into consideration. 3 hours of static GNSS observations in Istanbul, Turkey were repeatedly obtained from three control BMs over six days and were evaluated through two RP (AUSPOS, OPUS) and three PPP (CSRS-PPP, Magic-PPP, GAPS-PPP) web-based GNSS post-processing services. The 6-day average of the three control benchmark coordinates computed using the Bernese GPS software v5.0, and were accepted as true results. They were compared to the local coordinates acquired through the RP and PPP web-based GNSS post-processing services. The different satellite visibility conditions were found to have significant effects on the GNSS point positioning solutions. We also found that web-based GNSS post-processing services provide easy and effective solutions for geodetic positioning applications.
       
 
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