Presentaciones

2021

La red geodésica nacional: Un servicio continuo y esencial para la planeación y el desarrollo territorial en ColombiaSubdirección de Geografía y Cartografía, Instituto Geográfico Agustín Codazzi – IGAC. Webinar SIRGAS: Actividades Geodésicas en las Americas, July 9, 2021. Presentation also available in YouTube.

Venezuela, apuntando al restablecimiento del sistema geodésico nacionalDepartamento de Ingeniería Geodésica y Agrimensura, Universidad Central de Venezuela. Webinar SIRGAS: Actividades Geodésicas en las Americas, July 29, 2021. Presentation also available in YouTube.

An overview of SIRGAS activities towards the IHRFG.N. Guimarães, A.C.O. C. de Matos, A. Pereira, E.D. Antokoletz, J.L. Carrión Sánchez, L. Sánchez, and SIRGAS WG-III. International Association of Geodesy (IAG) Scientific Assembly 2021, Beijing, China, June 29, 2021

Recent achievements and current challenges in the maintenance of the geodetic reference frame of the AmericasJ.A. Tarrío, L. Sánchez, S. Alves, A. Silva, J. Inzunza, G. Caubarrère, A. Martínez, O. Rodriguez, E. Aleuy, H. Guagni, G. González. International Association of Geodesy (IAG) Scientific Assembly 2021, Beijing, China, June 28, 2021

Establecimiento de la Red Argentina de Monitoreo Satelital Continuo (RAMSAC)D. Piñón. Jornada “Hacia el establecimiento de la Red GNSS Continua de República Dominicana”. Abril 6, 2021

Rede Brasileira de Monitoramento Contínuo dos Sistemas GNSS (RMBC): Complexidades e dasafiosA. Silva, G. Mantovani, M.A. de Almeida, N. Moura, S. Costa. Jornada “Hacia el establecimiento de la Red GNSS Continua de República Dominicana”. Abril 6, 2021

Red SIRGAS-CON en Costa RicaA. Álvarez. Jornada “Hacia el establecimiento de la Red GNSS Continua de República Dominicana”. Abril 6, 2021

REDGEOMIN: Red geodésica para la minería en ChileJ.A. Tarrío, J. Inzunza, F. Isla, M. Caverlotti, G. Jeldres, C. Ferraz, R. Urrutia, J. Ojeda. Jornada “Hacia el establecimiento de la Red GNSS Continua de República Dominicana”. Abril 6, 2021

Estado del Marco de Referencia SIRGAS: desarrollos recientes y nuevos desafíosS. Costa, D. Piñón. Escuela Regional «Nuevas Técnicas Geodésicas para América Latina y El Caribe». Abril 6, 2021

Tropospheric products validation in the GNSS SIRGAS NetworkM.V. Mackern, M.L. Mateo, M.F. Camisay, P. Rosell, G. Granados. Geodesy for Climate Research, Workshop of Inter-Commission Committee on “Geodesy for Climate Research” of the International Association of Geodesy. March 30, 2021 (video avaliable)

El nuevo Sistema de Referencia Internacional de Gravedad (IGRS) y su materialización (IGRF)H. WziontekS. BonvalotE.D. Antokoletz. Webinar SIRGAS, 2021-03-05. Presentatuon also available in YouTube.

2020

Modelar el movimiento de la superficie terrestre: Velocidades continuas y coordenadas por etapas. H. Drewes, Webinar SIRGAS, agosto 20, 2020. Presentation also available in YouTube.

Procesamiento con NRCan PPP en entorno Windows Desktop. D. Gómez, Webinar SIRGAS, July 22, 2020. Presentation also available in YouTube.

Sistema internacional de Alturas IHRS. L. Sánchez, Webinar SIRGAS, June 25, 2020. Presentation also available in YouTube.

Procesamiento de datos GNSS con software libre, a partir de estaciones SIRGAS. B. Barraza, J.A. Tarrío, Webinar SIRGAS, May 29, 2020. Presentation also available in YouTube.

Actividades y productos de los centros de análisis SIRGAS. J.A. Tarrío, Universidad Santiago de Chile, Santigo de Chile. Webinar SIRGAS, May 14, 2020. Presentation also available in YouTube.

Presentations given at the Symposium SIRGAS2020, virtual, October, 2020.

2019

Report from developing countries Americas and Caribbean RegionS. Costa. International Association of Geodesy (IAG) Executive Committee Meeting. San Francisco, USA, December 7, 2019

Vinculación del marco de referencia nacional de Argentina con el global, la red continental SIRGASM.V. Mackern. XII Congreso Nacional de Agrimensura. Mendoza, Argentina. October 9 – 11, 2019.

SIRGAS: The Geocentric Reference System for the AmericasW. Martínez, M.V. Mackern, V. Cioce, R. Pérez Rodino, S.R.C. de Freitas. Workshop for the Implementation of the GGRF in Latin America. Buenos Aires, Argentina. September 16-20, 2019.

Status of the SIRGAS reference frame: recent developments and new challengesW. Martínez, M.V. Mackern, H. Drewes, H. Rovera, C. Brunini, L. Sánchez, L.P.S. Fortes, E. Lauría, V. Cioce, R. Pérez, S.R.C. de Freitas, S.M.A. Costa, M. Hoyer, R.T. Luz, R. Barriga, W. Subiza. 27th IUGG General Assembly. Montreal, Canada. July 8 – 18, 2019.

Tropospheric products from high-level GNSS processing in Latin AmericaM.V. Mackern, M.L. Mateo, M.F. Camisay, P.V. Morichetti. 27th IUGG General Assembly. Montreal, Canada. July 8 – 18, 2019.

Presentations given at the Symposium SIRGAS2019, Rio de Janeiro, Brazil, Nov 11 – 14, 2019

Presentations given at the International Workshop for the Implementation of the Global Geodetic Reference Frame in Latin America, Buenos Aires, Argentina, Sep 16 – 20, 2019

2018

SIRGAS: 25 years providing the geodetic infrastructure in Latin AmericaW. Martínez, M.V. Mackern, H. Drewes, H. Rovera, C. Brunini, L. Sánchez, L.P.S. Fortes, E. Lauría, V. Cioce, R. Pérez, S.R.C. de Freitas, S.M.A. Costa, M. Hoyer, R.T. Luz, R. Barriga, W. Subiza. In: IGS Workshop 2018: Multi-GNSS through global collaboration. Wuhan, China. October 29 – November 2, 2018.

Advances in the modernization of the height reference systems in Latin America and their integration to the International Height Reference System (IHRS)S.R.C. de Freitas, W. Martínez, M.V. Mackern, V.J. Cioce, R.P. Rodino, L Sánchez. In: International Symposium on Gravity, Geoid and Height Systems – Gravity Field of the Earth. Copenhagen, Denmark. September 12 – 21, 2018.

Time evolution of the SIRGAS reference frameL. Sánchez, V. Cioce, H. Drewes, C. Brunini, M.A. de Almeida, G. Gaytan, H. Guagni, V. Mackern, W. Martínez, A. Morillo, J. Moya, H. Parra, O. Rodríguez, N. Suárez, S. Rudenko. In: International Association of Geodesy Commission 1 Symposium Reference Frames for Applications in Geosciences (REFAG2018), 42nd COSPAR Scientific Assembly. Pasadena, California. July 14-22, 2018.

Supporting GNSS applications in Latin America through the SIRGAS reference frameV. Cioce, W. Martínez, M.V. Mackern, R. Roberto Pérez, S. de Freitas. In: United Nations / Argentina Workshop on the Applications of Global Navigation Satellite System. Falda del Carmen, Córdoba, Argentina. March 19 – 23, 2018.

Presentations given at the Symposium SIRGAS2018. Aguascalientes, México. October 9 – 12, 2018.

2017

SIRGAS en el Contexto del Marco de Referencia Geodésico Global (GGRF): Evolución, Alcances y PerspectivasV. Cioce, W. Martínez, M.V. Mackern, R. Roberto Pérez, S. de Freitas. En: II Congreso Venezolano de Tecnología Espacial. Caracas, Venezuela. Septiembre 18 – 20, 2017.

Geodetic monitoring of the surface deformation in Latin AmericaL. Sánchez, H. Drewes, C. Brunini. In: Strengthening Disaster Risk Reduction across the Americas: A Regional Summit on the Contribution of Earth Observations. Buenos Aires, Argentina. September 3 – 8, 2017.

El Marco Geodésico Mundial (GGRF) de UN-GGIM para el desarrollo sostenibleW. Martínez. En: Séptima Semana Geomática Internacional, Instituto Geográfico Agustín Codazzi. Bogotá, Colombia. Agosto 18, 2017.

SIRGAS: the core geodetic infrastructure in Latin America and the CaribbeanV. Cioce, L. Sánchez, H. Drewes, C. Brunini , M.A. de Almeida, J.G. Gasca, H. Guagni, A. Morillo, H. Parra, O. Rodríguez, N. Suárez, J.F. Valverde, W. Martínez, M.V. Mackern. In: Joint Scientific Assembly of the International Association of Geodesy and the International Association of Seismology and Physics of the Earth’s Interior (IAG-IASPEI 2017). Kobe, Japan. July 31 – August 4, 2017.

Modelling vertical displacements due to hydrological load at stations of the Geocentric Reference System for the Americas (SIRGAS)C. Brunini, L. Sánchez, R. Galván, H. Drewes, M. Gende. In: Joint Scientific Assembly of the International Association of Geodesy and the International Association of Seismology and Physics of the Earth’s Interior (IAG-IASPEI 2017). Kobe, Japan. July 31 – August 4, 2017.

Crustal deformation and surface kinematics after the 2010 earthquakes in Latin America. L. Sánchez, H. Drewes. In: Joint Scientific Assembly of the International Association of Geodesy and the International Association of Seismology and Physics of the Earth’s Interior (IAG-IASPEI 2017). Kobe, Japan. July 31 – August 4, 2017.

Actual Continuous Kinematic Model (ACKIM) of the Earth’s Crust based on ITRF2014H. Drewes. In: Joint Scientific Assembly of the International Association of Geodesy and the International Association of Seismology and Physics of the Earth’s Interior (IAG-IASPEI 2017). Kobe, Japan. July 31 – August 4, 2017.

Differential coordinate changes (velocities) vs. coordinate differences (epoch coordinates) for realising the time dependency of the ITRFH. Drewes. In: Joint Scientific Assembly of the International Association of Geodesy and the International Association of Seismology and Physics of the Earth’s Interior (IAG-IASPEI 2017). Kobe, Japan. July 31 – August 4, 2017.

Geocentric Reference System for the AmericasM.V. Mackern, W, Martínez. En: 4 Sesión de UN-GGIM: Américas en Santiago de Chile, Chile. Abril 5, 2017.

Presentations given at the Symposium SIRGAS2017. Mendoza, Argentina. November 27 – 30, 2017.

2016

A glimpse at geodetic activities in Latin AmericaL.P.S. Fortes. In: GGOS Days 2016. Cambridge, MA., USA. October 24 – 27, 2016.

UN-GGIM: Global Geodetic Reference Frame (GGRF) for Sustainable DevelopmentW. Martínez. En: XXII Semana ICG 2016, Universidad Distrital Francisco José de Caldas. Bogotá, Colombia. Octubre 24, 2016.

Incorporation of the Caribbean to the Geocentric Reference System for the Americas SIRGASW. Martínez, M.V. Mackern, V. Cioce, R. Rodino, S.R. De Freitas. In: UN-GGIM: Americas Third Session. Mexico City, Mexico. October 5, 2016.

Plan de acción conjunto 2016-2020 para acelerar el desarrollo de la infraestructura de datos espaciales de las AméricasW. Martínez. In: UN-GGIM: Americas Third Session. Mexico City, Mexico. October 5, 2016.

Marco Estadístico Geoespacial de las Américas: MEGA (Mapa Integrado de las Américas con información estadística sobre población)W. Martínez. En: Conferencia estadística de las Américas de la CEPAL. XV reunión del Comité Ejecutivo. Santiago de Chile, Chile. Junio 14 – 16, 2016.

Sistema de Referencia Geocéntrico para las Américas, Plan de Acción Conjunto 2016 – 2020W. Martínez. En: Perspectivas de la Integración de la Información Geoespacial y Estadística a Nivel Global, Regional y Local, Ministerio de Benes Nacionales de Chile. Santiago de Chile, Chile. Junio 15, 2016.

El Sistema de Referencia Geocéntrico para las Américas (SIRGAS)C. Brunini, L. Sánchez, H. Drewes, W. Martínez, M.V. Mackern. En: XIV Congreso Internacional de Topografía, Catastro, Geodesia y Geomática. San José, Costa Rica. Septiembre 22 – 24, 2016.

El Marco de Referencia Geodésico Global (GGRF)C. Brunini. En: Jornada Sobre la Calidad de la Información Geoespacial. La Plata, Argentina. Septiembre 19, 2016.

Presentations given at the Symposium SIRGAS2016. Quito, Ecuador. November 16 – 18, 2016.

2015

The participation of SIRGAS: the Americas and the Caribbean, in UN-GGIM GGRFA. Monett Hernánez. In: Fifth Session of the United Nations Committee of Experts on Global Geospatial Information Management. New York, USA. August 3, 2015.

Post-seismic crustal deformations after the 2010 earthquakes in Latin AmericaL. Sánchez, H. Drewes. In: International Union of Geodesy and Geophysics, General Assemby 2015 (IUGG2015). Prague, Czech Republic. June 22 – July 2, 2015.

Realisation of a vertical reference system for South America as a densification of an International Height Reference SystemL. Sánchez. In: International Union of Geodesy and Geophysics, General Assemby 2015 (IUGG2015). Prague, Czech Republic. June 22 – July 2, 2015.

SIRGAS: the core geodetic infrastructure in Latin America and the CaribbeanL. Sánchez, H. Drewes, A.L. da Silva, M.A. de Almeida Lima, C. Brunini, V. Cioce, D. Cisneros, J.G. Gasca Moncayo, H. Guagni, M.V. Mackern, J. Moya Zamora, I. Parada, P. Sandoval, O.A. Suárez Rojas. In: International Union of Geodesy and Geophysics, General Assemby 2015 (IUGG2015). Prague, Czech Republic. June 22 – July 2, 2015.

Unification of height systems in the frame of GGOSL. Sánchez. In: European Geosciences Union, General Assembly 2015 (EGU 2015). Vienna, Austria. April 17, 2015.

A post-seismic deformation model after the 2010 earthquakes in Latin AmericaL. Sánchez, H. Drewes, M. Schmidt. In: European Geosciences Union, General Assembly 2015 (EGU 2015). Vienna, Austria. April 15, 2015.

Presentations given at the Symposium SIRGAS2015. Santo Domingo, Dominican Republic. November 18 – 20, 2015.

2014

SIRGAS, una respuesta a las necesidades de georreferenciación y ciencia en los países de América LatinaM.V. Mackern. En: Jornadas nacionales de agrimensura, geomática y catastro. Santiago del Estero, Argentina. Octubre 2 – 3, 2014.

El sistema de referencia geocéntrico para las Américas (SIRGAS)C. Brunini. En: Jornadas de Geociencia para la Ingeniería, Facultad de Ingeniería, Universidad de Buenos Aires. Buenos Aires, Argentina. Septiembre 24 – 25, 2014.

The experience of SIRGAS and its implementation in the CaribbeanW.A. Martínez-Díaz, C. Brunini, L. Sánchez, H. Drewes, M.V. Mackern, S.R. De Freitas. In: Latin America Gesopatial Forum 2014. Mexico City, Mexico. September 22 – 25, 2014.

Modelling seismic effects in regional geodetic reference framesL. Sánchez, H. Drewes, C. Brunini, M.V. Mackern, W. Martínez-Díaz, M. Fuchs. In: International Symposium on Geodesy for Earthquake and Natural Hazards (GENAH 2014). Matsushima, Miyagi, Japan. July 22 – 26, 2014.

Towards a unified vertical reference frame for South America in view of the GGOS specificationsA. G. Santacruz Jaramillo, S.R.C. de Freitas, L. Sánchez. In: The 3rd International Gravity Field Service (IGFS) General Assembly. Shanghai, China. June 30 – July 6, 2014.

Improved modelling for the SIRGAS reference frame computationL. Sánchez, H. Drewes, C. Brunini, M.V. Mackern, W. Martínez-Díaz, R. Schmid. In: IGS Workshop 2014, Pasadena, California, USA. June 23 – 27, 2014.

IAG WG «Integration of Dense Velocity Fields in the ITRF»: Results and Lessons learnedJ. Legrand, C. Bruyninx, M. Craymer, J. Dawson, J. Griffiths, A. Kenyeres, P. Rebischung, L. Sánchez, A. Santamaría-Gómez, E. Saria, Z. Altamimi. In: IGS Workshop 2014, Pasadena, California, USA. June 23 – 27, 2014.

Actividades del proyecto SIRGAS en Teimpo Real (SIRGAS-RT)G. Noguera, M.F. Camisay, R. Pérez Rodino. En: Primer encuentro de investigadores de agrimensura, UMAZA-UNL. Mendoza, Argentina. Junio 13 – 14, 2014.

Presentations given at the Symposium SIRGAS2014. La Paz, Bolivia. November 24 – 26, 2014.

2013

Grupo de Trabajo SIRGAS y Proyecto de capacitación “Escuela SIRGAS”: Actividades durante el periodo 2009 – 2013C. Bunini, L. Sánchez. En: Reunión de Consulta de la Comisión de Cartografía del IPGH, Montevideo, Uruguay. Noviembre 18 – 19, 2013.

SIRGAS: La infraestructura geodésica fundamental de América LatinaW. Martínez, C. Brunini, L. Sánchez, H. Drewes, M.V. Mackern. En: Semana Geomática Internacional 2013. Instituto Geográfico Aguatín Codazzi. Bogotá, Colombia. Septiembre 30 – octubre 4, 2013.

SIRGAS: the core geodetic infrastructure in Latin America and the CaribbeanC. Brunini, L. Sánchez, H. Drewes, M.V. Mackern, W. Martínez. In: Scientific Assembly of the International Association of Geodesy, IAG2013. Potsdam, Germany. September 1 – 6, 2013.

20 years of SIRGAS, the Geocentric Reference System for the AmericasW. Martínez, C. Brunini, L. Sánchez, H. Drewes, M.V. Mackern, S.R.C. De Freitas. In: 10th United Nations Regional Cartographic Conference for the Americas. New York, USA. August 10 – 23, 2013.

SIRGAS <-> BoliviaL. Sánchez. Instituto Geográfico Militar. La Paz, Bolivia. Mayo 31, 2013

SIRGAS: the core geodetic infrastructure in Latin America and the CaribbeanL. Sánchez, H. Drewes, C. Brunini, M.V. Mackern, A. Da Silva. In: AGU Meeting of the Americas. Cancun, Mexico. May 14 – 17, 2013.

Presentations given at the SIRGAS2013 General Meeting. Panama City, Panama. October 24 – 26, 2013.

2012

The Geocentric Reference System for the AmericasC. Brunini, L. Sánchez, H. Drewes, S. Cimbaro, V. Cioce, D. Cisneros, M.V. Mackern, L. Mateo, G. González, M.A. de Almeida, A. da Silva, W. Martínez, N. Suárez, H. Parra. In: 8th FIG Regional Conference. Montevideo, Uruguay. November 26 – 29, 2012.

El Sistema de Referencia Geocéntrico para las Américas (SIRGAS)C. Brunini, L. Sánchez, H. Drewes, M.V. Mackern, W. Martínez, R. Luz. En: 8th FIG Regional Conference. Montevideo, Uruguay. Noviembre 26 – 29, 2012.

SIRGAS: Soporte para la adquisición geoespacial en Latinoamérica y El Caribe. V. Cioce, C. Brunini, L. Sánchez, M.V. Mackern, W. Martínez, R.T. Luz. En: XII Congreso Internacional de Topografía, Catastro, Geodesia y Geomática. San José, Costa Rica. Septiembre 20 – 22, 2012.

Improvement of the IGS station coverage in Latin AmericaL. Sánchez, S. Cimbaro, V. Cioce, A. Echalar, G. González, W. Martínez, A. da Silva. In: IGS Workshop 2012. Olsztyn, Polonia. July 24, 2012.

SIRGAS: the spatial reference for geomatics in the AmericasW. Martínez, C. Brunini, L. Sánchez, H. Drewes, M.V. Mackern, R. Luz. En: Congreso Internacional Geomática Andina 2012. Bogotá, Colombia. Junio 4, 2012.

Actividades del proyecto SIRGAS-RTG. Noguera, S. Cimbaro, J. Fazan, M. Hoyer, R. Pérez Rodino, R. Rezza, G. Royero, N. Suárez. En: XI Congreso Nacional y VIII Latinoamericano de Agrimensura. Villa Carlos Paz, Argentina. Mayo 2, 2012.

Presentations given at the SIRGAS2012 General Meeting. Concepción, Chile. October 29 – 31, 2012

2011

SIRGAS, the achievements 1993 – 2011W. Martínez, C. Brunini, H, Drewes, M.V. Mackern, L. Sánchez, R.T. Luz. In: United Nations International Meeting on the Applications of Global Navigation Satellite Systems. Vienna, Austria. December 13, 2011.

Definição, realização, propagação e manutenção do Datum Vertical SIRGASR.T. Luz. En: Jornada técnica acerca del Marco de Referencia Vertical de Argentina. Rosario, Argentina. Noviembre 4, 2011.

Geoinformation and Navigation supported by the Geocentric Reference System for the AmericasC. Brunini, L. Sánchez. In: International Symposium on Global Navigation Satellite Systems, Space-Based and Ground-Based Augmentation Systems and Applications. Berlin, Germany. October 10, 2011.

SIRGAS: sistema de referencia geocéntrico para las Américas (curso). L. Sánchez, V. Cioce. En: Curso avanzado de posicionamiento por satélites. Madrid, Spain. Octubre 10, 2011.

Curso en Sistemas de Referencia. H. Drewes, L. Sánchez. Instituto Geográfico Militar. Santiago de Chile, Chile. Septiembre 26 – 30, 2011.

Definição, realização e vinculação do Datum Vertical SIRGASR.T. Luz. En: VII Colóquio Brasileiro de Ciências Geodésicas, Sessão Especial sobre a Rede Vertical Brasileira. Curitiba. Brasil. Septiembre 15, 2011.

SIRGAS: Basis for Geosciences, Geodata, and Navigation in Latin AmericaC. Brunini, L. Sánchez, V. Mackern, W. Martínez, R. Luz. In: Latin American Geospatial Forum. Rio de Janeiro, Brazil. August 19, 2011.

Status and new perspectives of the SIRGAS Reference Frame. L. Sánchez, C. Brunini, V. Mackern, W. Martínez, R. Luz. In: IUGG General Assembly. IAG Symposium G01: Reference Frames from Regional to Global Scales. Melbourne, Australia. June 30, 2011.

Numerical approach for a unified World Height System. L. Sánchez. In: IUGG 2011 General Assembly. IAG Symposium G06: Towards a unified World Height System. Melbourne, Australia. June 4, 2011.

Sistema de Referência Vertical para EcuadorR. T. Luz. En: Celebración del Aniversario No. 83 del Instituto Geográfico Militar de Ecuador, Quito, Ecuador. Abril 8, 2011.

Presentations given at the SIRGAS2011 General Meeting. Heredia, Costa Rica. August 8 – 10, 2011.

2010

SIRGAS: sistema de referencia geocéntrico para las Américas (curso). L. Sánchez. En: Curso avanzado de posicionamiento por satélites, Madrid, España. Noviembre 22, 2010.

SIRGAS: the geocentric reference frame of the AmericasL. Sánchez, C. Brunini, V. Mackern, W. Martínez, R. Luz. In: International Symposium on Global Navigation Satellite Systems, Space-Based and Ground-Based Augmentation Systems and Applications 2010. Brusels, Belgium. November 29 – 30, 2010.

El Sistema de Referencia Geocéntrico para las Américas SIRGAS: Ejemplo de cooperación basado en GNSSW. Martínez, C. Brunini, L. Sánchez, H. Drewes, M.V. Mackern. En: III Seminario de Geomática, Sociedad Colombiana de Ingenieros. Bogotá, Colombia. Octubre 27 – 29, 2010.

SIRGAS: the geodetic reference frame in Latin America and the Caribbean. C. Brunini, L. Sánchez, V. Mackern, W. Martínez, R. Luz. In: IAG Commission 1 Symposium 2010, Reference Frames for Applications in Geosciences (REFAG2010). Marne-la-Vallée, France. October 4 – 8, 2010.

Long-term stability of the SIRGAS Reference Frame and episodic station movements caused by the seismic activity in the SIRGAS region. L. Sánchez W. Seemüller, H. Drewes, V. Mackern, G. Gonzalez, S. Costa, A. da Silva, J. Pampillon, W. Martinez , V. Cioce, D. Cisneros, S. Cimbaro. In: IAG Commission 1 Symposium 2010, Reference Frames for Applications in Geosciences (REFAG2010). Marne-la-Vallée, France. October 4 – 8, 2010.

Sustainability of the SIRGAS Reference Frame. L. Sánchez, H. Drewes, C. Brunini, W. Martínez, V. Mackern. In: IAG Commission 1 Symposium 2010, Reference Frames for Applications in Geosciences (REFAG2010). Marne-la-Vallée, France. October 4 – 8, 2010.

Numerical approach for a unified South American vertical reference frame within a world height system. L. Sánchez. In: IAG Commission 1 Symposium 2010, Reference Frames for Applications in Geosciences (REFAG2010). Marne-la-Vallée, France. October 4 – 8, 2010.

Assessment of the 4-D SIRGAS ionospheric modelC. Brunini, F. Azpilicueta, M. Gende, E Camilion, A. Aragón-Angel, M. Hernández-Pajares, J.M. Juan J. Sanz D. Salazar. In: IAG Commission 1 Symposium 2010, Reference Frames for Applications in Geosciences (REFAG2010). Marne-la-Vallée, France. October 4 – 8, 2010.

The Geocentric Reference System for the Americas SIRGAS: an advancing example of cooperation based on GNSSW. Martínez, C. Brunini, L. Sánchez, H. Drewes, V. Mackern. In: 20th UN/IAF Workshop on GNSS Applications for Human Benefit and Development. Prague, Czech Republic. September 24 – 25, 2010.

El sistema de referencia geocéntrico para las Américas: SIRGASC. Brunini, L. Sánchez, H. Drewes. En: XI Congreso internacional de Geomática: Geodesia, Topografía y Catastro en tiempo real. San José, Costa Rica. Septiembre 16 – 18, 2010.

The SIRGAS Vertical Reference Frame as a Mandatory Tool for a future Unified South American Geoid ModelR. T. Luz, L. A. Echevers, G. Font, S. R. C. Freitas, J. N. Hernández, M. Hoyer, W. Martínez, J. F. Moirano, H. Rovera, W. Rubio, L. Sánchez, A. Tierra. In: AGU 2010, The Meeting of the Americas. Foz do Iguaçu, Brazil. August 8 – 12, 2010.

SIRGAS: Sistema de Referencia Geocéntrico para Las Américas. C. Brunini, L. Sánchez. En: X curso de GPS en Geodesia y Cartografía. Ministerio de Fomento/D.G. Instituto Geográfico Nacional (IGN) y Centro de Información Geográfica (CNIG). Centro de Formación de la Cooperación Española en Montevideo. Montevideo, Uruguay. 31 de mayo de 2010.

Seasonal effects in the weekly realization of the SIRGAS reference frameC. Brunini, H. Drewes, L. Sánchez, V. Mackern, L. Mateo. In: European Geosciences Union, General Assembly 2010 (EGU 2010). Vienna, Austria. May 2 – 7, 2010.

Assessment of SIRGAS ionospheric maps errors based on a numerical simulationC. Brunini, E. Vamilion, F. Azpilicueta. In: European Geosciences Union, General Assembly 2010 (EGU 2010). Vienna, Austria. May 2 – 7, 2010.

La cooperación SIRGAS: su aporte a las geociencias y a la geoinformación en América Latina y El CaribeM.V. Mackern, C. Brunini, L. Sánchez, H. Drewes. En: II Convención de las ingenierías de las geociencias y química – V Congreso de agrimensura. La Habana, Cuba. Marzo 2 – 5, 2010.

Presentations given at the SIRGAS 2010 General Meeting. Lima, Peru. November 11 – 12, 2010.

2009

Grupo de Trabajo SIRGASC. Brunini, L. Sánchez, W. Martínez. En: 21 Reunión de Consulta de la Comisión de Cartografía del Instituto Panamericano de Geografía e Historia (IPGH). Quito, Ecuador. Noviembre 26 – 27, 2009.

SIRGAS: Sistema de Referencia Geocéntrico para Las Américas. L. Sánchez. En: Curso avanzado de posicionamiento por satélite. Programa iberoamericano de formación técnica especializada (PIFTE). Ministerio de Asuntos Exteriores y de Cooperación, Agencia Española de Cooperación Internacional para el Desarrollo. Escuela técnica superior de topografía, geodesia y cartografía, Universidad Politécnica de Madrid, UPM. Madrid, España. Noviembre 16, 2009.

SIRGAS: an international collaborative enterprise of the geodetic community in Latin America and the CaribbeanC. Brunini, L. Sánchez, H. Drewes, W. Martínez. In: United Nations/Azerbaijan/European Space Agency/United States of America Workshop on the Applications of Global Navigation Satellite Systems. Baku, Azerbaijan. May 11 – 15, 2009.

SIRGAS: ITRF densification in Latin America and the Caribbean. L. Sánchez, C. Brunini, S. Costa, V. Mackern, W. Martinez, W. Seemüller, A. da Silva. In: European Geosciences Union, General Assembly 2009 (EGU 2009). Vienna, Austria. April 19 – 24, 2009.

SIRGAS: Base para las Geociencias, la Geoinformación y la NavegaciónC. Brunini, L. Sánchez, H. Drewes. En: Reunión Científica 24 de la Asociación Argentina de Geodesia y Geofísica (AAGG). Mendoza, Argentina. Abril 14 – 17, 2009

SIRGAS: Basis for Geosciences, Geodata, and Navigation in Latin AmericaC. Brunini, L. Sánchez. En: Semana Geomática Internacional. Barcelona, España. Marzo 3 – 5, 2009.

Presentations given at the SIRGAS 2009 General Meeting. Buenos Aires, Argentina. August 31 – September 4, 2009.

2008

SIRGAS report on the activities related to the IAG Working Group ‘RegionalDense Velocity Fields’ . L. Sánchez. In: Informal meeting of the IAG Working Group ‘Regional Dense Velocity Fields’. AGU Fall Meeting. San Francisco, USA. December 15 – 19, 2008.

SIRGAS: reference frame for the GNSS applications in Latin AmericaL. Sánchez, C. Brunini. Presented by R. Neilan. In: Third Meeting of the International Committee on Global Navigation Satellite Systems (ICG). Pasadena, California, USA. December 8 – 12, 2008.

SIRGAS: Basis for Geosciences, Geodata, and Navigation in Latin America. L. Sánchez, C. Brunini. In: International Symposium on Global Navigation Satellite Systems, Space-based and Ground-based Augmentation Systems and Applications. Berlin, Germany. November 11 – 14, 2008.

Global vertical datum unification based on the combination of the fixed gravimetric and the scalar free geodetic boundary problemsL. Sánchez. In: IAG International Symposium on Gravity, Geoid and Earth Obervation. Chania, Creta, Greece. June 23 – 27, 2008.

The Geocentric Reference System of the Americas (SIRGAS)C. Brunini, L. Sánchez. In: United Nations/Colombia/United States of America Workshop on the Applications of Global Navigation Satellite Systems. Medellin, Colombia. June 23 – 27, 2008.

IAG Sub commission 1.3b SIRGAS reference system: On going activitiesC. Brunini, L. Sánchez. Presentado por M. Craymer. In: AGU 2008 Joint Assembly. Fort Lauderdale, Florida, USA. May 27 – 30, 2008.

Presentations given at the SIRGAS2008. Montevideo, Uruguay. May 28 – 29, 2008.

Presentations given at the Second Workshop of the SIRGAS-WGI (Reference System). Montevideo, Uruguay. May 26 – 27, 2008.

2007

The new position and velocity solution DGF07P01 of the IGS Regional Network Associate Analysis Center for SIRGAS (IGS RNAAC SIR)W. Seemueller, M. Kruegel, H. Drewes, A. Abolghasem. In: AGU Fall Meeting. San Francisco, USA. December 10 – 14, 2007.

SIRGAS operations and the regional local cors network sceneS. A. Costa. In: 6th FIG Regional Conference. San Jose, Costa Rica. November 12 – 15, 2007.

SIRGAS: Sistema de Referencia Geocéntrico para las Américas C. Brunini. En: IDE América: Conceptos, Prácticas, Proyectos. IGAC-IPGH-GSDI. Bogotá, Colombia. 7 – 8 de noviembre de 2007.

Evaluating the Brazilian Vertical Reference System and Frame through Improved Coastal Satellite Altimetry Data. Luz R.T., Bosch W., Freitas S.R.C., Heck B. In: IUGG General Assembly 2007. Perugia, Italy. July 2, 2007.

Vertical motion control of the tide gauges in the Atlantic as a part of the TIGA project. L. Sánchez. In: IUGG XXIV General Assembly, Perugia, Italy. July 2, 2007.

Retos futuros de la geodesia El Sistema de Observación Geodésica Global (GGOS). H. Drewes. En: II Semana Geomática del Instituto Geográfico Agustín Codazzi (IGAC). Bogotá, Colombia. Junio 8, 2007.

Realización del nivel de referencia vertical para SIRGAS dentro de una definición global. L. Sánchez. En: II Semana Geomática del Instituto Geográfico Agustín Codazzi (IGAC). Bogotá, Colombia. Junio 8, 2007.

Sistemas verticales de referencia. Taller. L. Sánchez. En: II Semana Geomática del Instituto Geográfico Agustín Codazzi (IGAC). Bogotá, Colombia. Junio 5, 2007.

Sistemas de referencia. Taller científico. H. Drewes.  En: II Semana Geomática del Instituto Geográfico Agustín Codazzi (IGAC). Bogotá, Colombia. Junio 4, 2007.

A new vertical reference system for South America. L. Sánchez. American Geophysical Union, Spring Meeting. Acapulco, Mexico. May 22, 2007.

Status of the IGS Regional Network Associate Analysis Centre SIRGAS (IGS RNAAC SIR). W. Seemüller, H. Drewes H., A. Abolghasem. In: AGU Joint Assembly. Acapulco, Mexico. May 22, 2007.

The IGS regional network associate analysis centre for SIRGAS (IGS RNAAC SIR). W. Seemüller. In: Workshop on Tectonik Geodesy, German Armed Forces University. Munich, Germany. April 5, 2007.

Presentations given at the SIRGAS2007 Technical Meeting. Bogotá, Colombia. June 7 – 8, 2007.

2006

The position and velocity solution DGF06P01 for SIRGAS. W. Seemüller. In: IAG Symposium Geodetic Reference Frames (GRF2006). Munich, Germany. October 13, 2006.

Current status and future activities of the subcommission 1.3b (South and Central America) of the IAG Commission 1 on Reference Frames. L. Sánchez. In: IAG Symposium Geodetic Reference Frames (GRF2006). Munich, Germany. October 13, 2006.

Monitoring and maintenance of regional reference frames by continuous GPS observations at the South Andes Region. Báez J.C., Freitas S.R.C., Drewes H. In: IAG Symposium Geodetic Reference Frames (GRF2006). Munich, Germany. October 9, 2006.

Realization of the SIRGAS reference frame in Colombia. W. Martínez, L. Sánchez. In: IAG Symposium Geodetic Reference Frames (GRF2006). Munich, Germany. October 9, 2006.

Sistemas de referencia y geoide. H. Drewes. Curso de Formación DIGSA. Barcelona, Spain. July 19, 2006.

Estado actual de los sistemas de referencia terrestres. H. Drewes. In: IV National Conference on Geography and Cartography (CONFEGE). Instituto Brasileiro de Geografia e Estatística (IBGE). Rio de Janeiro, Brazil. August 22, 2006.

Modernización de los sistemas de alturas en América del Sur. L. Sánchez. In: IV National Conference on Geography and Cartography (CONFEGE). Instituto Brasileiro de Geografia e Estatística (IBGE). Rio de Janeiro, Brazil. August 22, 2006.

Activities of IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). W. Seemüller. In: IV National Conference on Geography and Cartography (CONFEGE). Instituto Brasileiro de Geografia e Estatística (IBGE). Rio de Janeiro, Brazil. August 22, 2006.

Connection of the South American height systems to a global unified vertical reference frame. L. Sánchez. In: IAG Inter commission Project 1.2 (Vertical reference systems) Workshop. Prague, Czech Republic. April 12, 2006.

Presentations given at the SIRGAS-WGI and SIRGAS-WGII 2006 meeting. Heredia, Costa Rica. November 27 – 28, 2006.

Presentations given at the 1st. SIRGAS-WGI workshop. Rio de Janeiro, Brazil. August 16 – 18, 2006.

2005

Definition and realisation of the SIRGAS vertical reference system within a globally unified height system. L. Sánchez. In IAG, IAPSO, IABO Joint Conference ,Dynamic Planet 2005. Cairns, Australia. August 22, 2005.

Presentations given at the SIRGAS2005 Executive Committee meeting. Caracas, Venezuela. November 17 – 18, 2005.

2004

Curso en Sistemas de Referencia en Geodesia. H. Drewes. Instituto Geográfico Militar. Santiago de Chile, Chile. October 21, 2004.

El proyecto Sistema de Observación Geodésico Global (GGOS) de la Asociación International de Geodesia (IAG). H. Drewes. Congreso Ciencias de la Tierra. Santiago de Chile, Chile. October 20, 2004.

Deformación de la corteza terrestre en América del Sur. H. Drewes. Academia Politécnica Militar. Santiago de Chile, Chile. October 19, 2004.

El sistema de observación geodésica global de la Asociación Internacional de Geodesia (IAG). H. Drewes. Universidad Distrital Francisco José de Caldas. Bogotá, Colombia. August 31, 2004.

Deformaciones de la corteza terrestre en América del Sur y su importancia para los sistemas de referencia terrestre. H. Drewes. Instituto Geográfico Agustín Codazzi. Bogotá, Colombia. August 27, 2004.

Deformaciones sísmicas y asísmicas de la corteza terrestre en América Central y del Sur determinadas por métodos geodésicos espaciales. H. Drewes. Primer Congreso Latinamericano de Sismología. Armenia, Colombia. August 20, 2004.

Model of the interseismic velocity field of the South American continent. O. Heidbach, H. Drewes. In: EGU 2004 General Assembly. Nice, France. April 27, 2004.

Presentations given at SIRGAS 2004 Executive Committee meeting. Aguascalientes, México. December 9 – 10, 2004.

2003

Deformation of the South American crust from finite element and collocation methods. H. Drewes. In: XXIII IUGG General Assembly. Sapporo, Japan. July 4, 2003.

Results of the SIRGAS campaign 2000 and coordinate variations with respect to the 1995 South American geocentric reference frame. Drewes H., Kaniuth K., Völksen C., Costa S.M., Fortes L.P. In: XXIII IUGG General Assembly. Sapporo, Japan. July 3, 2003.

Deformation models of the South American crust. H. Drewes. In: 18. Geowiss Lateinamerika Kolloquium. Freiberg/Sachsen, Germany. April 3, 2003.

2002

A finite element crustal deformation model for South America. H. Drewes. In: IAG Symposium Recent crustal deformations in South America and surrounding area. Santiago de Chile, Chile. October 22, 2002.

Results of the SIRGAS 2000 GPS campaign. K. Kaniuth. In: IAG Symposium Recent crustal deformations in South America and surrounding area. Santiago de Chile, Chile. October 22, 2002.

Continuous and episodic deformations along the Caribbean-South American plate boundary derived from repeated GPS observations in the CASA project. K. Kaniuth. In: IAG Symposium on Recent crustal deformations in South America and surrounding area. Santiago de Chile, Chile. October 22, 2002.

Deformations along the Caribbean – South American plate boundary from nine years of repeated GPS observations in the CASA project. H. Drewes. In: AGU Spring Meeting. Washington, D.C., USA. May 29, 2002.

Presentations given at the SIRGAS2002 Executive Committee meeting. Santiago de Chile, Santiago. October 21 – 25, 2002.

2001

Investigations on the height system of Venezuela and the South Caribbean sea surface topography. Acuña G., Bosch W., Hoyer M., Wildermann E., Hernández J. In: IAG 2001 Scientific Assembly. Budapest, Hungary. September 3, 2001.

Connecting sea level and height systems along the coast of South America – a first assessment. Bosch W., Acuña G., Brunini C., Maturana R., Luz R., Sánchez L. In: IAG 2001 Scientific Assembly.Budapest, Hungary. September 3, 2001.

Results of the unified vertical GPS-reference network for the Americas (SIRGAS 2000) processing at DGFI. Kaniuth K., Tremel H., Drewes H. In: IAG 2001 Scientific Assembly. Budapest, Hungary. September 2, 2001.

Horizontal and vertical movements of the IGS regional reference network for South America. Seemüller W., Kaniuth K., Drewes H. In: IAG 2001 Scientific Assembly. Budapest, Hungary. September 3, 2001.

Scientific foundations of the SIRGAS vertical reference system. H. Drewes. IAG Symposium on Vertical Reference Systems. Cartagena, Colombia. February 23, 2001.

Processing of the SIRGAS 2000 GPS network at DGFI. K. Kaniuth. In: IAG Symposium on Vertical Reference Systems. Cartagena, Colombia. February 23, 2001.

Subsidence of the permanent GPS station BOGA. Kaniuth K., Häfele P., Sánchez L. In: IAG Symposium on Vertical Reference Systems. Cartagena, Colombia. February 21, 2001.

Velocity estimates of the IGS RNAAC SIR stations. W. Seemüller. In: IAG Symposium on Vertical Reference Systems. Cartagena, Colombia. February 22, 2001.

Presentations given at the SIRGAS-WGI and SIRGAS-WGIII 2001 meeting. Budapest, Hungría. IAG Scientific Assembly. September 2 – 7, 2001.

Presentations given at the SIRGAS 2001 Executive Committee meeting. Cartagena, Colombia. February 20 – 23, 2001.

2000

Einrichtung eines einheitlichen kontinentalen Höhenbezugssystems für Südamerika. H. Drewes. in: 17. Geowissenschaftliches Lateinamerika-Kolloquium. Stuttgart, Germany. October 13, 2000.

1999

Monitoring the sea level and vertical crustal movements in the South Atlantic along the coast of Argentina. H. Drewes. In: XXII IUGG General Assembly. Birmingham, UK. July 23, 1999.

Realization of the vertical reference system in Venezuela. Drewes H., Bosch W., Kaniuth K., Hernandez J.N., Hoyer M., Wildermann E. In: XXII IUGG General Assembly. Birmingham, UK. July 21, 1999.

The vertical reference system of Argentina. Kaniuth K., Bosch W., Drewes H., Brunini C., Moirano J., Natali P. In: XXII IUGG General Assembly. Birmingham, UK. July 21, 1999.

Position changes due to recent crustal deformations along the Caribbean- South American plate boundary derived from the CASA GPS project. Kaniuth K., Drewes H., Stuber K., Tremel H., Hernandez J.N., Hoyer M., Wildermann E., Kahle H.G., Geiger A. In: XXII IUGG General Assembly. Birmingham, UK. July 21, 1999.

Connection of the Colombian vertical datum to the geocentric reference system. Sánchez L., Martínez W., Florez J.A., Drewes H., Kaniuth K., Tremel H. In: XXII IUGG General Assembly. Birmingham, UK. July 21, 1999.

The Colombian national geocentric reference frame. Sánchez L., Tremel H., Drewes H. In: XXII IUGG General Assembly. Birmingham, UK. July 21, 1999.

Regional crustal deformations caused by the 1997 Cariaco earthquake from repeated GPS observations. H. Drewes. In: AGU Spring Meeting. Boston, USA. June 4, 1999.

Summary of the SIRGAS-WGI and SIRGAS-WGIII 1999 meeting. IUGG General Assembly. Birmingham, UK. July 27 – 28, 1999.

1998

Monitoring the continental reference frame in South America. Drewes H., Kaniuth K., Seemüller W., Stuber K., Tremel H., Hernandez N., Hoyer M., Wildermann E., Fortes L.P., Pereira K. In: IAG Section II Symposium (IGGOS). Munich, Germany. October 5, 1998.

Summary of the first workshop of the SIRGAS-WGIII (Vertical Datum). Santiago de Chile, Chile. August 11 – 13, 1998

1997

Summary of the presentations given at the SIRGAS1997 Executive Committee meetings. Isla Margarita, Venezuela, April, 1997 and Río de Janeiro, Brazil, IAG Scientific Assembly. September 3 – 9, 1997

1996

Summary of the SIRGAS-WGI and SIRGAS-WGII 1996 meeting. Santiago de Chile, Chile. August 5 – 9, 1996.

1995

none

1994

Summary of the SIRGAS-WGI and SIRGAS-WGII 1994 meeting. La Plata, Argentina. October 24 – 28, 1994.

1993

none

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