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GNSS: investigations and applications in geodetic positioning, in studies related to the atmosphere and precision agriculture

Grant number: 06/04008-2
Support type:Research Projects - Thematic Grants
Duration: October 01, 2008 - July 31, 2013
Field of knowledge:Physical Sciences and Mathematics - Geosciences
Principal Investigator:Joao Francisco Galera Monico
Grantee:Joao Francisco Galera Monico
Home Institution: Faculdade de Ciências e Tecnologia (FCT). Universidade Estadual Paulista (UNESP). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil
Co-Principal Investigators:Paulo de Oliveira Camargo
Assoc. researchers:Daniele Barroca Marra Alves ; Denizar Blitzkow ; Dirceu Luis Herdies ; Edvaldo Simões da Fonseca Junior ; Eniuce Menezes de Souza ; Guilherme Poleszuk dos Santos Rosa ; Haroldo Antonio Marques ; Jorge Luiz Alves Trabanco ; José Paulo Molin ; Luiz Fernando Antonio Dalbelo ; Luiz Fernando Sapucci ; Luiz Paulo Souto Fortes ; Marcelo Tomio Matsuoka ; Milton Hirokazu Shimabukuro ; Paulo de Oliveira Camargo ; Rodrigo Augusto Ferreira de Souza ; Wesley Gildo Canducci Polezel
Associated scholarship(s):13/06325-9 - Ambiguity resolution at network based positioning, BP.MS
12/20916-7 - Numerical weather prediction models: application and evaluation on Absoute and network-based positioning, BP.IC
12/16110-7 - Ionospheric scintillation: investigation and evaluation in GNSS positioning, BP.IC
+ associated scholarships 11/03549-8 - Methodology for combination of GNSS zenithal tropospheric delay time series, BP.MS
11/08882-7 - Sugarcane nitrogen fertilization management at variable rates supported by ground optical sensors, BP.DR
11/00986-8 - Estimation, analysis and availability of the ionospheric irregularities index using GPS/GLONASS data of active network, BP.IC
11/01196-0 - Stochastic model for GNSS data and GNSS coordinates time series, BP.DR
09/16771-0 - Impact of the interpolation of meteorological stations measurements in the final quality of the IWV-GNSS, BP.IC
09/03372-0 - Sugar cane nitrogen fertilization management using ground active optical sensor, BP.MS
09/09269-7 - Atmospheric modeling in network based GNSS positioning: investigation and implementation in GNSS SP network, BP.IC
07/08687-4 - Real time PPP with estimative of the satellite clock corrections in the context of active GNSS network, BP.DR - associated scholarships


The central theme of this project is GNSS. As it is a multidisciplinary technology, to enhance the knowledge on this theme it is important to develop project involving specialist of the several disciplines related with. The project involves researchers from Geodesy, aiming to develop algorithms and methodologies for several applications, among them those that can be applied in the Precision Farming, area that is also involved in the project, as well as in the Cartography and Cadastre. Therefore, a network of GNSS will be set up, which will provide the necessary infra-structure to the project, besides opening perspectives of using and investigating in other areas, once the data will be available to the public. As a product from Geodesy, the zenithal tropospheric delay will be integrated with meteorological measurements on the surface and mean average temperature model to provide the Integrated Water Vapor (IWV), which will be assimilated in the numerical weather prediction model, contributing with weather forecast. By other hand, with a good weather forecast model, the Meteorology can return to Geodesy good values of tropospheric zenithal delays, contributing with GNSS real time applications, including navigation. GNSS has its signals affected by the ionosphere. As a result, GNSS can be used to study the ionosphere. Using a network of double frequency receivers, one can develop model to describe the ionosphere behavior, and to generate an ionosphere field, allowing applying at other sites in the network. Another important element for using GNSS is a geoidal model, which must have accuracy compatible with the altitude system used. The integration of GNSS, geopotential models and gravity measurements are the necessary elements for its production, topic that also make part of the project, together with sea level monitoring, origin of the height systems. Several aspects of the themes presented so far will be investigated in this project, searching when possible, the sinergy among them, in such a way to provide sustainability to the project as a whole and to put São Paulo State in the vanguard in the field of investigations related to GNSS. (AU)

Articles published in Agência FAPESP about the research grant
Researchers develop more precise geoid model of São Paulo 
São Paulo welcomes new Global Navigation Satellite System 

Scientific publications (22)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
JEREZ, GABRIEL OLIVEIRA; MARRA ALVES, DANIELE BARROCA; TACHIBANA, VILMA MAYUMI. Multivariate analysis of combined GPS/GLONASS point positioning performance in Brazilian regions under different ionospheric conditions. JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS, v. 187, p. 1-9, JUN 2019. Web of Science Citations: 0.
VANI, BRUNO CESAR; FORTE, BIAGIO; GALERA MONICO, JOAO FRANCISCO; SKONE, SUSAN; SHIMABUKURO, MILTON HIROKAZU; MORAES, ALISON DE OLIVEIRA; PORTELLA, IGOR PONTE; MARQUES, HAROLDO ANTONIO. A Novel Approach to Improve GNSS Precise Point Positioning During Strong Ionospheric Scintillation: Theory and Demonstration. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v. 68, n. 5, p. 4391-4403, MAY 2019. Web of Science Citations: 0.
DE PAULA, EURICO R.; DE OLIVEIRA, CESAR B. A.; CATON, RONALD G.; NEGRETI, PATRICIA M.; BATISTA, INEZ S.; MARTINON, ANDRE R. F.; NETO, ACACIO C.; ABDU, MANGALATHAYIL A.; MONICO, JOAO F. G.; SOUSASANTOS, JONAS; MORAES, ALISON O. Ionospheric irregularity behavior during the September 6-10, 2017 magnetic storm over Brazilian equatorial-low latitudes. EARTH PLANETS AND SPACE, v. 71, APR 11 2019. Web of Science Citations: 0.
VEETTIL, SREEJA VADAKKE; AQUINO, MARCIO; SPOGLI, LUCA; CESARONI, CLAUDIO. A statistical approach to estimate Global Navigation Satellite Systems (GNSS) receiver signal tracking performance in the presence of ionospheric scintillation. JOURNAL OF SPACE WEATHER AND SPACE CLIMATE, v. 8, NOV 23 2018. Web of Science Citations: 1.
MORAES, ALISON DE O.; VANI, BRUNO C.; COSTA, EMANOEL; ABDU, MANGALATHAYIL A.; DE PAULA, EURICO R.; SOUSASANTOS, JONAS; MONICO, JOAO F. G.; FORTE, BIAGIO; DE SIQUEIRA NEGRETI, PATRICIA MARA; SHIMABUKURO, MILTON HIROKAZU. GPS availability and positioning issues when the signal paths are aligned with ionospheric plasma bubbles. GPS SOLUTIONS, v. 22, n. 4 OCT 2018. Web of Science Citations: 6.
MORAES, ALISON DE O.; VANI, BRUNO C.; COSTA, EMANOEL; SOUSASANTOS, JONAS; ABDU, MANGALATHAYIL A.; RODRIGUES, FABIANO; GLADEK, YURI C.; DE OLIVEIRA, CESAR B. A.; GALERA MONICO, JOAO F. Ionospheric Scintillation Fading Coefficients for the GPS L1, L2, and L5 Frequencies. RADIO SCIENCE, v. 53, n. 9, p. 1165-1174, SEP 2018. Web of Science Citations: 3.
MORAES, ALISON DE OLIVEIRA; MUELLA, MARCIO T. A. H.; DE PAULA, EURICO R.; DE OLIVEIRA, CESAR B. A.; TERRA, WILLIAM P.; PERRELLA, WALDECIR J.; MEIBACH-ROSA, PAMELA R. P. Statistical evaluation of GLONASS amplitude scintillation over low latitudes in the Brazilian territory. Advances in Space Research, v. 61, n. 7, p. 1776-1789, APR 1 2018. Web of Science Citations: 7.
NASCIMENTO BRASSAROTE, GABRIELA DE OLIVEIRA; DE SOUZA, ENIUCE MENEZES; GALERA MONICO, JOAO FRANCISCO. S-4 index: Does it only measure ionospheric scintillation?. GPS SOLUTIONS, v. 22, n. 1 NOV 6 2017. Web of Science Citations: 3.
VANI, BRUNO CESAR; SHIMABUKURO, MILTON HIROKAZU; GALERA MONICO, JOAO FRANCISCO. Visual exploration and analysis of ionospheric scintillation monitoring data: The ISMR Query Tool. Computers & Geosciences, v. 104, p. 125-134, JUL 2017. Web of Science Citations: 11.
MORAES, ALISON DE OLIVEIRA; COSTA, EMANOEL; ABDU, MANGALATHAYIL ALI; RODRIGUES, FABIANO S.; DE PAULA, EURICO RODRIGUES; OLIVEIRA, KELIAS; PERRELLA, WALDECIR JOAO. The variability of low-latitude ionospheric amplitude and phase scintillation detected by a triple-frequency GPS receiver. RADIO SCIENCE, v. 52, n. 4, p. 439-460, APR 2017. Web of Science Citations: 10.
MARQUES, H. A. S.; MONICO, J. F. G.; MARQUES, H. A. Performance of the L2C civil GPS signal under various ionospheric scintillation effects. GPS SOLUTIONS, v. 20, n. 2, p. 139-149, APR 2016. Web of Science Citations: 9.
MORAES, ALISON DE OLIVEIRA; COSTA, EMANOEL; DE PAULA, EURICO RODRIGUES; PERRELLA, WALDECIR JOAO; GALERA MONICO, JOAO FRANCISCO. Extended ionospheric amplitude scintillation model for GPS receivers. RADIO SCIENCE, v. 49, n. 5, p. 315-329, MAY 2014. Web of Science Citations: 17.
SAPUCCI, LUIZ F. Evaluation of Modeling Water-Vapor-Weighted Mean Tropospheric Temperature for GNSS-Integrated Water Vapor Estimates in Brazil. Journal of Applied Meteorology and Climatology, v. 53, n. 3, p. 715-730, MAR 2014. Web of Science Citations: 0.
FABRICIO DOS SANTOS PROL; PAULO DE OLIVEIRA CAMARGO. Estimativa da tendência diferencial do código nos receptores GNSS. Bol. Ciênc. Geod., v. 20, n. 4, p. 735-749, Dez. 2014.
MARCELO TOMIO MATSUOKA; CAROLINA COLLISCHONN; IVANDRO KLEIN; PAULO DE OLIVEIRA CAMARGO; VINICIUS AMADEU STUANI PEREIRA. Impacto de tempestade geomagnética na ionosfera e no posicionamento com GNSS: estudo de caso para 20 de novembro de 2003 na região brasileira. Bol. Ciênc. Geod., v. 19, n. 1, p. 14-33, Mar. 2013.
SAPUCCI, LUIZ F.; HERDIES, DIRCEU L.; MENDONCA, RENATA W. B. The Inclusion of IWV Estimates from AIRS/AMSU and SSM/I Sensors into the CPTEC/INPE Global Data Assimilation System. MONTHLY WEATHER REVIEW, v. 141, n. 1, p. 93-111, JAN 2013. Web of Science Citations: 0.
ANA CRISTINA OLIVEIRA CANCORO DE MATOS; DENIZAR BLITZKOW; GABRIEL DO NASCIMENTO GUIMARÃES; MARIA CRISTINA BARBOSA LOBIANCO; SÔNIA MARIA ALVES COSTA. Validação do MAPGEO2010 e comparação com modelos do geopotencial recentes. Bol. Ciênc. Geod., v. 18, n. 1, p. 101-122, Mar. 2012.
MARRA ALVES, DANIELE BARROCA; GALERA MONICO, JOAO FRANCISCO. GPS/VRS positioning using atmospheric modeling. GPS SOLUTIONS, v. 15, n. 3, p. 253-261, JUL 2011. Web of Science Citations: 8.
MARQUES‚ HA; MONICO‚ J.F.G.; AQUINO‚ M. RINEX_HO: second-and third-order ionospheric corrections for RINEX observation files. GPS SOLUTIONS, v. 15, n. 3, p. 305-314, 2011.
LUIZ FERNANDO SAPUCCI; DIRCEU LUIS HERDIES; RITA VALÉRIA ANDREOLI DE SOUZA; JOÃO GERD ZELL DE MATTOS; JOSÉ ANTÔNIO ARAVÉQUIA. Os últimos avanços na previsibilidade dos campos de umidade no sistema global de assimilação de dados e previsão numérica de tempo do CPTEC/INPE. Revista Brasileira de Meteorologia, v. 25, n. 3, p. -, Set. 2010.
DE SOUZA, ENIUCE MENEZES; GALERA MONICO, JOAO FRANCISCO; PAGAMISSE, AYLTON. GPS Satellite Kinematic Relative Positioning: Analyzing and Improving the Functional Mathematical Model Using Wavelets. MATHEMATICAL PROBLEMS IN ENGINEERING, 2009. Web of Science Citations: 2.

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