Laura Sanchez-Drewes, Dr.-Ing.

Deutsches Geodätisches Forschungsinstitut und
Lehrstuhl für Geodätische Geodynamik (Prof. Seitz)

Postadresse
Arcisstr. 21
80333 München

Tel.: +49 (89) 23031-1295
Fax.: +49 (89) 23031-1240
lm.sanchez@tum.de

Functions/Memberships

International Association of Geodesy (IAG)

  • Commission 1 Sub-Commission 1.3b: Regional Reference Frame for South and Central America, Vice-Chair (2007-2015)
  • Commission 1 Working Group 1.3.1 Time dependent transformations between reference frames, Member (since 2015)
  • Global Geodetic Observing System (GGOS) Bureau of Products and Standards, Member (since 2011)
  • Global Geodetic Observing System (GGOS) Coordinating Board, Member (since 2015)
  • Global Geodetic Observing System (GGOS) Focus Area Unified Height System, Lead (since 2015)
  • Global Geodetic Observing System (GGOS) Joint Working Group on the Realization of the IHRS, Chair (since 2015)
  • Global Geodetic Observing System (GGOS) Theme 1: Unified Global Height System, Lead team (2011)
  • InterCommission Project 1.2: Vertical Reference Systems, Member (2003-2011)
  • Joint Working Group 0.1.1: Vertical datum standardization, Chair (2011-2015)
  • Joint Working Group 1.3: Strategies for epoch reference frames, Member (2011-2015)
  • SubCommission 1.3 Working Group on Regional Dense Velocity Fields, SIRGAS Representative (2007-2011)
  • Symposia Series, Assistant Editor-in-Chief (since 2015)
  • Working Group 1.3.1: Integration of dense velocity into the ITRF, SIRGAS representative (2011-2015)
  • Working Group 1.3.2: Deformation models for reference frames, Member (2011-2015)

International GNSS Service (IGS)

  • GPS Tide Gauge Benchmark Monitoring - Working Group, Member (since 2012)
  • Governing Board, Network Representative (since 2014)
  • Regional Network Associate Analysis Centre for SIRGAS, Chair (since 2010)

International Service for the Geoid (ISG)

  • Scientific advisor (since 2016)

International Union of Geodesy and Geophysics (IUGG)

  • Representative to the Panamerican Institute for Geodesy and History (PAIGH) (since 2015)

Sistema de Referencia Geocéntrico para las Américas (SIRGAS)

  • SIRGAS Analysis Centre, Chair (since 2010)
  • Scientific Committee, Member (since 2015)
  • Vicepresident (2007-2015)

Publications

2018

Angermann D., Gruber T., Gerstl M., Heinkelmann R., Hugentobler U., Sánchez L., Steigenberger P.: GGOS Bureau of Products and Standards: Recent Activities and Future Plans. International Association of Geodesy Symposia, 10.1007/1345_2018_28, 2018
Sánchez L.: SIRGAS Regional Network Associate Analysis Centre, Technical Report 2017. Villiger A., Dach R. (Eds.), International GNSS Service Technical Report 2017 (IGS Annual Report), 117 - 122, 10.7892/boris.116377, 2018
Sánchez L.;Völksen Ch.;Sokolov A.;Arenz H.;Seitz F.: Present-day surface deformation of the Alpine region inferred from geodetic techniques. Earth System Science Data, 10(3), 1503-1526, 10.5194/essd-10-1503-2018, 2018 (Open Access)

2017

Angermann D., Gruber T., Gerstl M., Hugentobler U., Heinkelmann R., Sanchez L., Steigenberger P.: GGOS Bureau of Products and Standards. In: Drewes H., Kuglitsch F. (Eds.), Travaux de l’AIG 40, 2017
Ihde J., Sánchez L., Barzaghi R., Drewes H., Foerste Ch., GruberT., Liebsch G., Marti U., Pail R., Sideris M.: Definition and proposed realization of the International Height Reference System (IHRS). Surveys in Geophysics, 38(3), 549-570, 10.1007/s10712-017-9409-3, 2017
Schöne T., Bingley R., Deng Z., Gravelle M., Griffiths J., Guichard M., Habrich H., Hansen D., Herring T., Hunegnaw A., Jia M., King M., Merrifield M., Mitchum G., Moore M., Neilan R., Noll C., Prouteau E., Sánchez L., Santamaría-Gómez A., Teferle N., Thaller D., Tregoning P., Williams S., Wöppelmann G.: Tide Gauge Benchmark Monitoring Working Group, Technical Report. In: Villiger A., Dach R. (eds.), International GNSS Service Technical Report 2016 (IGS Annual Report), 185-187, 10.7892/boris.99278, 2017
Sánchez L.: Status report: GGOS Focus Area 1: Unified Height System, and JWG 0.1.2: Strategy for the Realization of the International Height Reference System (IHRS). , 2017
Sánchez L.: SIRGAS Regional Network Associate Analysis Centre, Technical Report 2016. In: Villiger A., Dach R. (eds.), International GNSS Service Technical Report 2016 (IGS Annual Report), 105-114, 10.7892/boris.99278, 2017
Sánchez L.: Focus Area “Unified Height System” and JWG 0.1.2 “Strategy for the Realization of the International Height Reference System (IHRS)”. Travaux of the International Association of Geodesy, 376-379, 2017
Sánchez L., Martí U., Ihde J.: Le chemin vers un système de référence altimétrique global et unifié. Revue XYZ, 150, 61-67, 2017
Sánchez L., Sideris M.G.: Vertical datum unification for the International Height Reference System (IHRS) . Geophysical Journal International, 209(2), 570-586, 10.1093/gji/ggx025 , 2017

2016

Angermann D., Gerstl M., Sánchez L., Gruber T., Hugentobler U., Steigenberger P., Heinkelmann R.: GGOS Bureau of Products and Standards: Inventory of standards and conventions for geodesy. In: Rizos C., Willis P. (Eds.) IAG 150 Years, IAG Symposia, 143, 571-577, 10.1007/1345_2015_165, 2016
Angermann D., Gruber T., Gerstl M., Heinkelmann R., Hugentobler U., Sánchez L., Steigenberger P.: GGOS Bureau of Products and Standards: Inventory of standards and conventions used for the generation of IAG products. In: Drewes H., Kuglitsch F., Adám J. (Eds.) The Geodesist's Handbook 2016. Journal of Geodesy, 90(10), 1095-1156, 10.1007/s00190-016-0948-z, 2016
Schöne T., Bingley R., Deng Z., Gravelle M., Griffiths J., Guichard M., Habrich H., Hansen D., Hunegnaw A., Jia M., King M., Merrifield M., Mitchum G., Neilan R., Noll C., Prouteau E., Sánchez L., Santamaría-Gómez A., Teferle N., Thaller D., Tregoning P., Williams S., Wöppelmann G.: Tide Gauge Benchmark Monitoring Working Group Technical Report 2015. In: Jean Y., Dach R. (Eds.) International GNSS Service Technical Report 2015, 195-196, 10.7892/boris.80307, 2016
Sánchez L.: SIRGAS Regional Network Associate Analysis Center Technical Report 2015. In: Jean Y., Dach R. (Eds.) International GNSS Service Technical Report 2015, 111-121, 10.7892/boris.80307, 2016
Sánchez L., Drewes H.: Crustal deformation and surface kinematics after the 2010 earthquakes in Latin America. Journal of Geodynamics, 102, 1-23, 10.1016/j.jog.2016.06.005, 2016
Sánchez L., Drewes H.: Crustal deformation and surface kinematics after the 2010 earthquakes in Latin America, links to crustal deformation model VEMOS2015 files. PANGAEA, 10.1594/PANGAEA.862536, 2016 (Open Access)
Sánchez L., Drewes H., Brunini C., Mackern M.V., Martínez-Díaz W.: SIRGAS core network stability. In: Rizos C., Willis P. (Eds.) IAG 150 Years, IAG Symposia, 143, 183-190, 10.1007/1345_2015_143, 2016
Sánchez L., Čunderlík R., Dayoub N., Mikula K., Minarechová Z., Šíma Z., Vatrt V., Vojtíšková M.: A conventional value for the geoid reference potential W0. Journal of Geodesy, 90(9), 815-835, 10.1007/s00190-016-0913-x, 2016

2015

Ihde J., Barzaghi R., Marti U., Sánchez L., Sideris M., Drewes H., Foerste C., Gruber T., Liebsch G., Pail R.: Report of the Ad-hoc Group on an International Height Reference System (IHRS). In: Drewes H., Hornik H. (Eds.) Travaux de l'AIG 39, IAG Reports 2011-2015, 2015
Schöne T., Bingley R., Deng Z., Griffiths J., Habrich H., Hunegnaw A., Jia M., King M., Merrifield M., Mitchum G., Neilan R., Noll C., Prouteau E., Sánchez L., Teferle N., Thaller D., Tregoning P., Williams S., Wöppelmann G., Woodworth P.: Tide Gauge Benchmark Monitoring Working Group Technical Report 2014. In: Jean Y., Dach R. (Eds.) International GNSS Service Technical Report 2014, 187-202, IGS Central Bureau, 2015
Seitz M., Angermann D., Gerstl M., Bloßfeld M., Sánchez L., Seitz F.: Geometrical Reference Systems. In: Freeden W., Nashed M.Z., Sonar T. (Eds.) Handbook of Geomathematics (Second Edition), Springer, pp 2995-3034, 2995-3034, 10.1007/978-3-642-54551-1_79, 2015
Sánchez L.: SIRGAS Regional Network Associate Analysis Center Technical Report 2014. In: Jean Y., Dach R. (Eds.) International GNSS Service Technical Report 2014, 101-110, IGS Central Bureau, 2015
Sánchez L.: Ein einheitliches vertikales Referenzsystem für Südamerika im Rahmen eines globalen Höhensystems. Technische Universität Dresden, http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-162350, 2015
Sánchez L., Dayoub N., Cunderlík R., Minarechová Z., Mikula K., Vatrt V., Vojtísková M., Síma Z.: Report of Joint Working Group 0.1.1: Vertical Datum Standardization (JWG 0.1.1). In: Drewes H., Hornik H. (Eds.) Travaux de l'AIG 39, IAG Reports 2011-2015, 2015

2014

Sánchez L.: IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). In: Dach R., Jean Y. (Eds.) International GNSS Service Technical Report 2013, 103-114, 2014
Sánchez L., Dayoub N., Cunderlík R., Minarechová Z., Mikula K., Vatrt V., Vojtísková M., Síma Z.: W0 estimates in the frame of the GGOS Working Group on Vertical Datum Standardisation. In: Marti U. (Ed.) Gravity, Geoid and Height Systems (GGHS2012), IAG Symposia 141: 203-210, 10.1007/978-3-319-10837-7_26, 2014

2013

Angermann D., Seitz M., Bloßfeld M., Sánchez L., Seitz F.: Die Gestalt der Erde. Akademie Aktuell 02/2013: 28-31, Bayerische Akademie der Wissenschaften, ISSN 1436-753X, 2013 (Open Access)
Brunini C., Sánchez L.: Geodetic reference frame for the Americas. GIM International 27(3): 26-31, ISSN 1566-9076, 2013
Bruyninx C., Legrand J., Altamimi Z., Becker M., Craymer M., Combrinck L., Combrink A., Dawson J., Dietrich R., Fernandes R., Govind R., Griffiths J, Herring T., Kenyeres A., King R., Kreemer C., Lavallée D., Sánchez L., Sella G., Shen Z., Santamaría-Gómez A., Wöppelmann G.: IAG WG SC1.3 on Regional Dense Velocity Fields: first results and steps ahead. In: Altamimi Z., Collilieux X. (Eds.) Reference Frames for Applications in Geosciences, IAG Symposia 138: 137-145, Springer, 10.1007/978-3-642-32998-2_22, 2013
Sánchez L.: IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). In: Dach R., Jean Y. (Eds.) International GNSS Service Technical Report 2012, 111-120, IGS Central Bureau, 2013
Sánchez L.: Towards a vertical datum standardisation under the umbrella of Global Geodetic Observing System. Journal of Geodetic Science 2(4): 325-342, Versita, 10.2478/v10156-012-0002-x, 2013
Sánchez L., Seemüller W., Drewes H., Mateo L., González G., Silva A., Pampillón J., Martinez W., Cioce V., Cisneros D., Cimbaro S.: Long-term stability of the SIRGAS reference frame and episodic station movements caused by the seismic activity in the SIRGAS region. In: Altamimi Z., Collilieux X. (Eds.) Reference Frames for Applications in Geosciences, IAG Symposia 138: 153-161, Springer, 10.1007/978-3-642-32998-2_24, 2013

2012

Brunini C., Sánchez L.: Geodetic activities in Latin America and The Caribbean: always IN. Coordinates, Vol. VIII, Issue 6, 14-21, June. ISSN 0973-2136, 2012
Brunini C., Sánchez L., Drewes H., Costa S.M.A., Mackern V., Martinez W., Seemüller W., da Silva: Improved analysis strategy and accessibility of the SIRGAS Reference Frame. Kenyon S., M.C. Pacino, U. Marti (Eds.), "Geodesy for Planet Earth", IAG Symposia, 136: 3-10, 10.1007/978-3-642-20338-1_1, 2012
Bruyninx C., Altamimi Z., Becker M., Craymer M., Combrinck L., Combrink A., Dawson J., Dietrich R., Fernandes R., Govind R., Herring T., Kenyeres A., King R., Kreemer C., Lavallée D., Legrand J., Sánchez L., Sella G., Shen Z., Santamaría-Gómez A., Wöppelmann G.: A dense global velocity field based on GNSS observations: preliminary results. In: Kenyon S., M.C. Pacino, U. Marti (Eds.), "Geodesy for Planet Earth", IAG Symposia, 136: 19-26, 10.1007/978-3-642-20338-1_3, 2012
Seemüller W., Seitz M., Sánchez L., Drewes H.: The new Multi-year Position and Velocity Solution SIR09P01 of the IGS Regional Network Associate Analysis Centre (IGS RNAAC SIR). Kenyon S., M.C. Pacino, U. Marti (Eds.), "Geodesy for Planet Earth", IAG Symposia, 136: 877-883, 10.1007/978-3-642-20338-1_110, 2012
Sánchez L.: IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). Report of activities 2011. In: Meindl, M., R. Dach, Y. Jean (Eds.), International GNSS Service, Technical Report 2011; Astronomical Institute, University of Bern, p. 107-115. Available at ftp://igs.org/pub/resource/pubs/2011_techreport.pdf., 2012
Sánchez L., Seemüller W., Seitz M.: Combination of the Weekly Solutions Delivered by the SIRGAS Processing Centres for the SIRGAS-CON Reference Frame. In: Kenyon S., M.C. Pacino, U. Marti (Eds.), "Geodesy for Planet Earth", IAG Symposia, 136: 845-851, 10.1007/978-3-642-20338-1_106, 2012

2011

Drewes H., Sánchez L., Brunini C., Mackern V.: Como mitigar el impacto de eventos sísmicos en los marcos de referencia?. Reunión SIRGAS, Heredia, Costa Rica, 2011
Sánchez L., Brunini C., Mackern V., Martinez W., Luz R.: SIRGAS: the geocentric reference frame of the Americas.. In: Proceedings of the International Symposium on Global Navigation Satellite Systems, Space-Based and Ground-Based Augmentation Systems and Applications 2010. Brussels, Belgium. November 29-30, 2010. Berlin Senate Department for Urban Development. P. 21-25., 2011
Sánchez L., Seitz M.: Recent activities of the IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). DGFI Report No. 87., 2011
Sánchez L., Seitz M., Drewes H.: Cinemática del marco de referencia SIRGAS. Reunión SIRGAS, Heredia, Costa Rica, 2011

2010

Angermann D., Bloßfeld M., Bosch W., Gerstl M., Heinkelmann R., Kelm R., Müller H., Sánchez L., Seemüller W., Seitz M.: DGFI-Beteiligung an den wissenschaftlichen Diensten der IAG. Zeitschrift für Vermessungswesen, 135, Heft 2, 2010
Bouman J., Bosch W., Goebel G., Müller H., Sánchez L., Schmidt M., Sebera J.: Das Schwerefeld der Erde - Messen, Darstellen und Auswerten. Zeitschrift für Vermessungswesen, 135, Heft 2, 2010
Drewes H., Brunini C., Sánchez L., Mackern V., Martinez W.: Uso de las coordenadas SIRGAS en los marcos nacionales de referencia. http://www.sirgas.org/fileadmin/docs/Boletines/Bol15/05_Drewes_et_al_Uso_de_SIRGAS_en_marcos_naionales.pdf, 2010
Figueroa C., Amaya W., Sánchez L.: Integración de la Red Geodésica Básica Nacional de El Salvador a SIRGAS (SIRGAS-ES2007). Revista Cartográfica del Instituto Panamericano de Geografía e Historia (IPGH), No. 86. 26-39 p. México D.F., México, 2010
Seemüller W., Arenz H., Bosch W., Hornik H., Leismüller F., Müller H., Sánchez L., Schwatke C.: Informationstechnologien und Kommunikation am DGFI. Zeitschrift für Vermessungswesen, 135, Heft 2, 2010
Seemüller W., Sánchez L., Seitz M., Drewes H.: The position and velocity solution of the IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). DGFI Report No. 86, 2010
Sánchez L., Drewes H.: Wie sich die Alpen bewegen. Akademie Aktuell. Bayerische Akademie der Wissenschaften. Heft 3, Aufgabe 34: 71-72. Munich, 2010
Sánchez L., Seemüller W.: Report of the SIRGAS Analysis Centre at DGFI. SIRGAS 2010 General Meeting. www.sirgas.org, 2010
Sánchez L., Seemüller W., Seitz M., Forberg B., Leismüller F., Arenz H.: SIRGAS: das Bezugssystem für Lateinamerika und die Karibik. Zeitschrift für Vermessungswesen, 135, Heft 2, 2010

2009

Martí­nez W.A., Sánchez L.: Realization of the SIRGAS Reference Frame in Colombia. In: Drewes H. (Ed.): Geodetic Reference Frames, IAG Symposia 134: 185-190, Springer, 10.1007/978-3-642-00860-3_29, 2009
Seemüller W., Sánchez L.: SIRGAS Processing Centre at DGFI: Report for the SIRGAS 2009 General Meeting.. SIRGAS Newsletter 14, http://www.sirgas.org/fileadmin/docs/Boletines/Bol14/, 2009
Sánchez L.: Strategy to establish a global vertical reference system. In: Drewes H. (Ed.): Geodetic Reference Frames, IAG Symposia 134: 273-278, Springer, 10.1007/978-3-642-00860-3_42, 2009
Sánchez L.: Report on the IAG Symposium S5 "Geodesy in Latin America" at the IAG General Assembly 2009 "Geodesy for planet Earth" in Bueno Aires Argentina. zfv 134: 378-379, 2009
Sánchez L., Bosch W.: The role of the TIGA project in the unification of classical height systems. In: Drewes H. (Ed.): Geodetic Reference Frames, IAG Symposia 134: 285-290, Springer, 10.1007/978-3-642-00860-3_44, 2009
Sánchez L., Brunini C.: Achievements and challenges of SIRGAS. In: Drewes H. (Ed.): Geodetic Reference Frames, IAG Symposia 134: 161-166, Springer, 10.1007/978-3-642-00860-3_25, 2009
Sánchez L., Brunini C.: SIRGAS: Basis for geosciences, geodata and navigation in Latin America.. Proceedings of the International Symposium on Global Navigation Satellite Systems, Space-based and Ground-based Augmentation Systems and Applications. Berlin, 11-14 November. Berlin Senate Department for Urban Development. P. 37 - 39., 2009
Sánchez L., Seemüller W., Seitz M.: SIRGAS Combination Centre at DGFI: Report for the SIRGAS 2009 General Meeting.. SIRGAS Newsletter 14, http://www.sirgas.org/fileadmin/docs/Boletines/Bol14/, 2009

2008

Brunini C., Sánchez L.: SIRGAS: Reporte 2007-2008. SIRGAS Newsletter No. 13, www.sirgas.org/fileadmin/docs/Boletines/Boletin_SIRGAS_N0._13__Reporte_2007_-_2008_.pdf, 2008
Sánchez L.: Approach for the establishment of a global vertical reference level. In: Xu P., Liu J., Dermanis A. (eds.) VI Hotine-Marussi Symposium on Theoretical and Computational Geodesy, IAG Symposia 132: 119-125, Springer, 10.1007/978-3-540-74584-6_18, 2008
Sánchez L., Seemüller W., Seitz M.: Comparison and combination of the weekly solutions delivered by the SIRGAS Experimental Processing Centres. No. 80, 77p., DGFI Report, DGFI, Munich, 2008

2007

Schmidt M., Fengler M., Mayer-Gürr T., Eicker A., Kusche J., Sánchez L., Han S.C.: Regional gravity modeling in terms of spherical base functions. Journal of Geodesy 81(1): 17-38, 10.1007/s00190-006-0101-5, 2007
Sánchez L.: Definition and realisation of the SIRGAS Vertical Reference System within a globally unified height system. In: Tregoning P., Rizos C. (eds.) Dynamic Planet, IAG Symposia 130: 638-645, Springer, 10.1007/978-3-540-49350-1_92, 2007
Sánchez L.: Realización del nivel de referencia vertical para SIRGAS dentro de una definición global. V. 37: 18-25, Reista Analisis Geograficos, IGAC, Bogota, 2007

2006

Fortes L.P., Lauria E., Brunini C., Hernandez A., Sánchez L., Drewes H., Seemüller W.: Current status and future developments of the SIRGAS project. Wiss.Arb.Fachr.Verm., Univ. Hannover, Nr. 258, 59-70, 2006
Schmidt M., Han S.-C., Kusche J., Sánchez L., Shum C.K.: Regional high-resolution spatio-temporal gravity modeling from GRACE data using spherical wavelets. Geophysical Research Letters 33(8), L08403, 10.1029/2005GL025509, 2006

2005

Fortes L.P., Lauria E., Brunini C., Hernandez A., Sánchez L., Drewes H., Seemüller W.: El proyecto internacional SIRGAS: estado actual y objetivos futuros. United Nations Document E/CONF.96/I.P.16, New York, USA, 2005
Ihde J., Sánchez L.: A unified global height reference system as a basis for IGGOS. Journal of Geodynamics 40(4-5): 400-413, 10.1016/j.jog.2005.06.015, 2005

2002

Drewes H., Dodson A.H., Fortes L.P., Sánchez L., Sandoval P.: Vertical Reference Systems. IAG Symposia, Vol. 124, 352 pp, Springer, 10.1007/978-3-662-04683-8, 2002
Drewes H., Sánchez L., Blitzkow D., Freitas S.: Scientific foundations of the SIRGAS vertical reference system. In: Drewes H., Dodson A.H., Fortes L.P., Sánchez L., Sandoval P. (Eds.): Vertical Reference Systems, IAG Symposia 124: 297-301, Springer, 10.1007/978-3-662-04683-8_55, 2002
Hernandez J.N., Blitzkow D., Luz R., Sánchez L., Sandoval P., Drewes H.: Connection of the vertical control networks of Venezuela, Brazil and Colombia. In: Drewes H., Dodson A.H., Fortes L.P., Sánchez L., Sandoval P. (Eds.): Vertical Reference Systems, IAG Symposia 124: 324-327, Springer, 10.1007/978-3-662-04683-8_60, 2002
Kaniuth K., Häfele P., Sánchez L.: Subsidence of the permanent GPS station Bogotá. In: Drewes H., Dodson A.H., Fortes L.P., Sánchez L., Sandoval P. (Eds.): Vertical Reference Systems, IAG Symposia 124: 56-59, Springer, 10.1007/978-3-662-04683-8_12, 2002

2001

Sánchez L., Drewes H.: International Symposium on Vertical Reference Systems. Cartagena, Colombia, 20-23 February 2001. Journal of Geodesy 75(12): 679-680, 10.1007/s001900100236, 2001

Posters/Presentations

2019

Kehm A., Sánchez L., Bloßfeld M., Angermann D., Drewes H., Seitz F.: Combination strategies for the realization of an Epoch Reference Frame for South America. European Geosciences Union General Assembly 2019, Vienna, Austria, 2019-04-09
Oelsmann J., Passaro M., Dettmering D., Sanchez L., Schwatke C., Seitz F.: Comparability of coastal altimetry with tide gauges and application for vertical land motion detection. Frontiers of geodetic science, Stuttgart, Germany, 2019

2018

Angermann D., Gruber T., Gerstl M., Heinkelmann R., Hugentobler U., Sanchez L., Steigenberger P.: The GGOS Bureau of Products and Standards. American Geosciences Union Fall Meeting, Washington, 2018-12-12 (Poster)
Angermann D., Gruber T., Gerstl M., Hugentobler U., Sánchez L., Heinkelmann R., Steigenberger P.: The Bureau of Products and Standards and its key role within GGOS. European Geosciences Union General Assembly 2018, Vienna, Austria, 2018-04-09 (Poster)
Angermann D., Gruber T., Gerstl M., Hugentobler U., Sánchez L., Heinkelmann R., Steigenberger P.: BPS: Overview, status and future plans. GGOS Days 2018, Tskuba, Japan, 2018-10-03
Brunini C., Sánchez L., Galván R., Drewes H., Gende M.: Modelling seasonal station motions by combining GNSS and GRACE data at the normal equation level. International Symposium on Gravity, Geoid and Height Systems (GGHS2018), Copenhagen, Denmark, 2018-09-18 (Poster)
De Freitas S.R.C., Martínez W., Mackern M.V., Cioce V.J., Rodino R.P., Sánchez L.: Advances in the modernization of the height reference systems in Latin America and their integration to the International Height Reference System (IHRS). International Symposium on Gravity, Geoid and Height Systems (GGHS2018), Copenhagen, Denmark, 2018-09-17 (Poster)
Sánchez L.: Implementierung des Internationalen Höhenreferenzrahmens (IHRF). Forschungsgruppe Satellitengeodäsie Workshop 2018, Bad Kötzting, Germany, 2018-07-14
Sánchez L.: GGOS Focus Area Unified Height System: Ongoing activities. GGOS Coordinating Board Meeting, Vienna, Austria, 2018-04-07
Sánchez L.: GGOS Focus Area Unified Height System: Status report, ongoing activities, outlook. GGOS Days 2018, Tskuba, Japan, 2018-10-03
Sánchez L.: SIRGAS and the implementation of the International Height Reference System (IHRS). Symposium SIRGAS2018, Aguascalientes, Mexico, 2018-10-08
Sánchez L.: Strategy for the establishment of the International Height Reference System (IHRS). Symposium SIRGAS2018, Aguascalientes, Mexico, 2018-10-11
Sánchez L.: 22 years of IGS RNAAC SIRGAS - IGS Regional Network Associate Analysis Centre for SIRGAS. Symposium SIRGAS2018, Aguascalientes, Mexico, 2018-10-09
Sánchez L.: SIRGAS reference frame data in the Internet. Symposium SIRGAS2018, Aguascalientes, Mexico, 2018-10-12
Sánchez L., Cioce V., Drewes H., Brunini C.,de Almeida M. A., Gaytan G., Guagni H., Mackern V., Martínez W. A, Morillo A., Moya J., Parra H., Rodríguez O., Suárez N., Rudenko S.: Time evolution of the SIRGAS reference frame. 42nd COSPAR Scientific Assembly, Pasadena, CA, United States of America, 2018-07-20 (Poster)
Sánchez L., Madzak M.: GGOS activities related to the implementation of the International Height Reference System (IHRS). European Geosciences Union General Assembly 2018, Vienna, Austria, 2018-04-09 (Poster)
Sánchez L., Sideris M.: Vertical Datum Unification for the International Height Reference System (IHRS). International Symposium on Gravity, Geoid and Height Systems 2018 (GGHS2018), Copenhagen, Denmark, 2018-09-20
Sánchez L., Ågren J., Huang J., Véronneau M., Wang Y.M., Roman D., Vergos G., Abd-Elmotaal H., Amos M., Barzaghi R., Blitzkow D., Matos A.C.O.C., Denker H., Filmer M., Claessens S., Oshchepkov I.U. Marti13, K. Matsuo14, M. Sideris15, M. Varga16, M. Willberg17, R. Pail17: Advances in the establishment of the International Height Reference Frame (IHRF). International Symposium on Gravity, Geoid and Height Systems 2018 (GGHS2018), Copenhagen, Denmark, 2018-09-17
Wang Y.M., Forsberg R., Sánchez L., Ågren J., Huang J. : Report on Colorado geoid comparisons. International Symposium on Gravity, Geoid and Height Systems 2018 (GGHS2018), Copenhagen, Denmark, 2018-09-19

2017

Angermann D., Gruber T., Gerstl M., Hugentobler U., Heinkelmann R., Sanchez L., Steigenberger P.: Next steps after BPS inventory. Unified Analysis Workshop, Paris, France, 2017-07-11
Angermann D., Gruber T., Gerstl M., Hugentobler U., Sanchez L., Heinkelmann R., Steigenberger P.: The Bureau of Products and Standards and its key role within GGOS. European Geosciences Union General Assembly, Vienna, Austria, 2017
Angermann D., Gruber T., Gerstl M., Hugentobler U., Sanchez L., Heinkelmann R., Steigenberger P.: Overview of BPS activities and future plans. GGOS Days 2017, Vienna, Austria, 2017-11-01
Angermann D., Gruber T., Gerstl M., Hugentobler U., Sanchez L., Heinkelmann R., Steigenberger P.: GGOS Bureau of Products and Standards. IAG-IASPEI Joint Scientific Assembly 2017, Kobe, Japan, 2017
Angermann D., Gruber T., Gerstl M., Hugentobler U., Sanchez L., Heinkelmann R., Steigenberger P.: GGOS Bureau of Products and Standards: Recent activities and future plans. IAG-IASPEI Joint Scientific Assembly 2017, Kobe, Japan, 2017-08-03
Brunini C., Sánchez L., Galván R., Drewes H., Gende M.: Modelling vertical displacements due to hydrological load at stations of the Geocentric Reference System for the Americas (SIRGAS). 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, 2017-08-01 (Poster)
Cioce V., Sánchez L., Drewes H., Brunini C., de Almeida M.A., Gasca J.G., Guagni H., Morillo A., Parra H., Rodríguez O., Suárez N., Valverde J.F., Martínez W., Mackern M.V.: SIRGAS: the core geodetic infrastructure in Latin America and the Caribbean. 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, 2017-08-01 (Poster)
Drewes H., Sánchez L.: The varying surface kinematics in Latin America: VEMOS 2009, 2015, and 2017 . Symposium SIRGAS2017, Mendoza, Argentina, 2017-11-29
Heinkelmann R., Angermann D., Gruber T., Gerstl M., Hugentobler U., Sanchez L., Steigenberger P.: The Bureau of Products and Standards and its key role within GGOS. Journées des Systèmes de Référence et de la Rotation Terrestre, Alicante, Spain, 2017-09-26
Heinkelmann R., Angermann D., Gruber T., Gerstl M., Hugentobler U., Sanchez L., Steigenberger P.: Interaction with IAU concerning standards. GGOS Days 2017, Vienna, Austria, 2017-11-01
Sánchez L.: GGOS Focus Area Unified Height System: Report, ongoing activities, outlook. GGOS Days 2017, Vienna, Austria, 2017-11-01
Sánchez L. Sideris M.G.: Vertical datum unification for the International Height Reference System (IHRS). European Geosciences Union General Assembly 2017, Vienna, Austria, 2017-04-27
Sánchez L.: Kinematics of the SIRGAS Reference Frame. Symposium SIRGAS2017, Mendoza, Argentina, 2017-11-29
Sánchez L.: Advances in the implementation of the International Height Reference System (IHRS). Symposium SIRGAS2017, Mendoza, Argentina, 2017-11-28
Sánchez L.: Recent activities of the IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIRGAS). Symposium SIRGAS2017, Mendoza, Argentina, 2017-11-27
Sánchez L., Denker H., Pail R., Lieb V., Huang J., Roman D., Ågren J., Amos M., Ihde J., Barzaghi R., Sideris M., Oshchepkov I., Blitzkow D., Matos A.C.O.C., Piñon D., Avalos D., Freitas S.R.C., Luz R.: A first approximation to the International Height Reference Frame (IHRF). 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, 2017-08-03
Sánchez L., Drewes H.: Crustal deformation and surface kinematics after the 2010 earthquakes in Latin America. 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, 2017-07-31
Sánchez L., Drewes H., Brunini C.: Geodetic monitoring of the surface deformation in Latin America. Strengthening Disaster Risk Reduction across the Americas: A Regional Summit on the Contribution of Earth Observations, Buenos Aires, Argentina, 2017-09-03
Sánchez L., Ihde J., Pail R., Gruber T., Barzaghi R., Marti U., Ågren J., Sideris M., Novák P.: Towards a first realization of the International Height Reference System (IHRS). European Geosciences Union General Assembly 2017, Vienna, Austria, 2017-04-25
Sánchez L., Čunderlík R., Mikula K., Minarechová Z., Dayoub N., Šíma Z., Vatrt V., Vojtíšková M.: A conventional value for the geoid reference potential W0. Unified Analysis Workshop 2017 (UAW2017), Paris, France, 2017-07-12

2016

Angermann D., Gruber T., Gerstl M., Hugentobler U., Sanchez L., Heinkelmann R., Steigenberger P.: GGOS Bureau of Products and Standards: Recent activities and future work. EGU General Assembly, Vienna, Austria, 2016-04-19 (Poster)
Drewes H., Sánchez L.: The Velocity Model for SIRGAS 2010-2015 (VEMOS2015). Symposium SIRGAS 2016, 2016-11-16
Sánchez L.: GGOS Focus Area 1: Unified Height System, Present activities. GGOS Coordinating Board Meeting, Vienna, Austria, 2016-04-16
Sánchez L.: Unified Height System: Required measurements and expected products. GGOS Days 2016, Cambridge MA, USA, 2016
Sánchez L.: Working Group on the Strategy for the Realization of the International Height Reference System (IHRS): Brainstorming and definition of action items. Splinter meeting at the International Symposium on Gravity, Geoid and Height Systems 2016, 2016-09-21
Sánchez L.: Recent activities of the IGS Regional Network Associate Analysis Centre for SIRGAS - IGS RNAAC SIRGAS. Symposium SIRGAS 2016, Quito, Ecuador, 2016-11-18
Sánchez L., Ihde J., Pail R., Barzaghi R., Marti U., Ågren J., Sideris M., Novák P.: Strategy for the Realization of the International Height Reference System (IHRS). GGHS2016: International Symposium on Gravity, Geoid and Height Systems 2016, Thessaloniki, Greece, 2016-09-22
Sánchez L., Ihde J., Pail R., Barzaghi R., Marti U., Ågren J., Sideris M., Novák P.: Strategy for the Realization of the International Height Reference System (IHRS). Symposium SIRGAS 2016, Quito, Ecuador, 2016

2015

Angermann D., Gruber T., Gerstl M., Hugentobler U., Sánchez L., Heinkelmamm R., Steigenberger P.: GGOS Bureau of Products and Standards: Inventory of standards and conventions. IUGG General Assembly, Prague, Czech Republic, 2015
Angermann D., Gruber T., Gerstl M., Hugentobler U., Sánchez L., Heinkelmann R., Steigenberger P.: GGOS Büro für Produkte und Standards. Geodätische Woche, Stuttgart, Germany, 2015
Drewes H., Sánchez L.: Post-seismic crustal deformations after the 2010 earthquakes in the SIRGAS region. Symposium SIRGAS 2015, Santo Domingo, Dominican Republic, 2015
Ihde J., Barzaghi R., Marti U., Sánchez L., Sideris M., Drewes H., Foerste Ch., Gruber Th., Liebsch G., Pail R.: Definition and Realization of an International Height Reference System. International Union of Geodesy and Geophysics General Assembly 2015, Prague, Czech Republic, 2015
Ihde J., Sánchez L.: Physical Height and the GGRF - Earth Gravity Field and the GGRF - - GGRF an Integrated Approach -. GGOS Days 2015, Frankfurt a.M., Germany, 2015
Sánchez L.: Unification of height systems in the frame of GGOS. EGU2015, Vienna, Austria, 2015-04-17
Sánchez L.: Lecture on Vertical Reference Systems. III Workshop of the SIRGAS Working Group III (Vertical Datum), Universidade Federal do Paraná, Curitiba, Brazil, 2015-05-18
Sánchez L.: Realisation of a vertical reference system for South America as a densification of an International Height Reference System. International Union of Geodesy and Geophysics General Assembly 2015, Prague, Czech Republic, 2015-06-26
Sánchez L.: Recent activities of the IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIRGAS). Symposium SIRGAS 2015, Santo Domingo, Dominican Republic, 2015-11-18 (Poster)
Sánchez L.: SIRGAS regional stations available for the second reprocessing of the SIRGAS reference frame. Symposium SIRGAS 2015, Santo Domingo, Dominican Republic, 2015-11-18 (Poster)
Sánchez L.: Kinematics of the SIRGAS Reference Frame. Symposium SIRGAS 2015, Santo Domingo, Dominican Republic, 2015-11-20
Sánchez L., Cunderlík R., Mikula K., Minarechová Z., Dayoub N., Síma Z., Vatrt V., Vojtísková M.: A new best estimate for the conventional value W0 - Final Report of the WG on Vertical Datum Standardization -. International Union of Geodesy and Geophysics General Assembly 2015, Prague, Czech Republic, 2015
Sánchez L., Drewes H.: Post-seismic crustal deformations after the 2010 earthquakes in Latin America. International Union of Geodesy and Geophysics General Assembly 2015, Prague, Czech Republic, 2015
Sánchez L., Drewes H., Schmidt M.: A post-seismic deformation model after the 2010 earthquakes in Latin America. EGU2015, Vienna, Austria, 2015
Sánchez L., Drewes H., da Silva, De Almeida, Brunini C., Cioce V., Cisneros D., Gasca L., Guagni H., Mackern V., Moya J., Parada I., Sandoval P., Suárez O.: SIRGAS: the core geodetic infrastructure in Latin America and the Caribbean. International Union of Geodesy and Geophysics General Assembly 2015, Prague, Czech Republic, 2015
Sánchez L., Ihde J., Barzaghi R., Drewes H., Foerste Ch., Liebsch G., Marti U., Sideris M.: Establishment of an International Height Reference System in the frame of GGOS. Symposium SIRGAS 2015, Santo Domingo, Dominican Republic, 2015

2014

Angermann D., Gruber T., Gerstl M., Hugentobler U., Sánchez L.: GGOS-Büro für Standards und Konventionen. Geodätische Woche, Berlin, Germany, 2014
Angermann D., Gruber T., Gerstl M., Hugentobler U., Sánchez L., Heinkelmann R., Steigenberger P.: Inventory of standards and conventions used for the generation of IAG/GGOS products. AGU Fall Meeting, San Francisco, USA, 2014
Angermann D., Gruber Th., Gerstl M., Hugentobler U., Sánchez L., Heinkelmann R., Steinberger P.: GGOS Bureau for Standards and Conventions. Symposium SIRGAS 2014, La Paz, Bolivia, 2014
Brunini C., Sánchez L., Mackern M.V., de Freitas: SIRGAS: reference system for the Americas. Symposium SIRGAS 2014, La Paz, Bolivia, 2014
Drewes H., Sánchez L.: Actualization of the SIRGAS velocity model. Symposium SIRGAS 2014, La Paz, Bolivia, 2014
Legrand J., Bruyninx C., Craymer M., Dawson J., Griffiths J., Kenyeres A., Rebischung P., Sánchez L., Santamaría-Gómez A., Saria E., Altamimi Z.: IAG WG "Integration of Dense Velocity Fields in the ITRF": Results and Lessons learned. IGS Workshop 2014, Pasadena, California, USA., 2014
Santacruz A., de Freitas, Sánchez L.: Towards a unified vertical reference frame for South America in view of the GGOS specifications. 3rd International Gravity Field Service (IGFS) General Assembly. Shanghai, China., 2014
Santacruz A., de Freitas, Sánchez L., Luz R.T., Philippi S.: Review of the South American heights systems to meet the new IAG/SIRGAS requirements. Symposium SIRGAS 2014, La Paz, Bolivia, 2014
Sánchez L.: Report on the analysis of the SIRGAS reference frame at the IGS RNAAC SIRGAS. Symposium SIRGAS 2014, La Paz, Bolivia, 2014-11-24 (Poster)
Sánchez L.: Vertical datum standardisation in South America. Symposium SIRGAS 2014, La Paz, Bolivia, 2014-11-24
Sánchez L.: Towards a unified vertical reference frame for SIRGAS. XXVII Scientific Meeting of the Argentinean Association for Geodesy and Geophysics. San Juan, Argentina, 2014-11-12
Sánchez L., Cunderlík R., Dayoub N., Mikula K., Minarechová Z., Síma Z., Vatrt V., Vojtísková M.: Towards a new best estimate for the conventional value of W0. 3rd International Gravity Field Service (IGFS) General Assembly, 2014
Sánchez L., Cunderlík R., Dayoub N., Minarechová Z., Mikula K., Vatrt V., Síma Z., Vojtísková M.: Towards a new best estimate for the conventional value of W0. Symposium SIRGAS 2014, La Paz, Bolivia, 2014
Sánchez L., Drewes H., Brunini C., Mackern M.V., Martínez-Díaz W., Schmid R.: Improved modelling for the SIRGAS reference frame computation. IGS Workshop 2014, Pasadena, USA, 2014
Sánchez L., H. Drewes, C. Brunini, M.V. Mackern, W. Martí­nez-Díaz, M. Fuchs: Modelling seismic effects in regional geodetic reference frames. International Symposium on Geodesy for Earthquake and Natural Hazards (GENAH 2014). Matsushima, Miyagi, Japan, 2014

2013

Angermann D., Bouman J., Gerstl M., Heinkelmann R., Hugentobler U., Sánchez L., Steigenberger P.: GGOS Bureau for Standards and Conventions. FGS Workshop, Bad Kötzting, Germany, 2013
Angermann D., Gruber T., Gerstl M., Heinkelmann R., Hugentobler U., Sánchez L., Steigenberger P.: The need of common standards and conventions for homogeneous data processing and consistent geodetic products. EGU General Assembly, Vienna, Austria, 2013
Angermann D., Gruber T., Gerstl M., Heinkelmann R., Hugentobler U., Sánchez L., Steigenberger P.: The GGOS Bureau for Standards and Conventions. IAG Scientific Assembly, Potsdam, Germany, 2013
Sánchez L.: Vertical datum standardisation: a fundamental step towards a global vertical reference system. AGU Meeting of the Americas, Cancun, Mexico, 2013-05-16
Sánchez L.: Kinematics of the SIRGAS reference frame. SIRGAS general meeting 2013, Panama City, Panama, 2013-10-26
Sánchez L.: Definition and realisation of a global vertical reference system under the umbrella of the Global Geodetic Observing System - GGOS. SIRGAS general meeting 2013, Panama City, Panama, 2013-10-25
Sánchez L.: Recent activities of the SIRGAS Analysis Centre at DGFI. SIRGAS general meeting 2013, Panama City, Panama, 2013-10-25 (Poster)
Sánchez L.: Modernización de los sistemas de alturas. Semana Geomática Internacional 2013, Instituto Geográfico Agustín Codazzi, Bogotá, Colombia, 2013-10-03
Sánchez L., Brunini C.: Avances SIRGAS en el periodo 2012-2013. SIRGAS general meeting 2013, Panama City, Panama, 2013
Sánchez L., Dayoub N., Cunderlík R., Mikula K., Minarechová Z., Sí­ma Z., Vatrt V., Vojtí sková M.: Conventional reference level for a global unified height system. IAG Scientific Assembly, Potsdam, Germany, 2013
Sánchez L., Drewes H., Brunini C., Mackern V., Martínez W.: SIRGAS: the core geodetic infrastructure in Latin America and the Caribbean. IAG Scientific Assembly, Potsdam, Germany, 2013
Sánchez L., Drewes H., Brunini C., Mackern V., da Silva: SIRGAS: the core geodetic infrastructure in Latin America and the Caribbean. AGU Meeting of the Americas, Cancun, Mexico, 2013

2012

Angermann D., Bouman J., Gerstl M., Heinkelmann R., Hugentobler U., Sánchez L., Steigenberger P.: GGOS Bureau for Standards and Conventions. AGU Fall Meeting, San Francisco, USA, 2012
Angermann D., Gruber T., Bouman J., Gerstl M., Heinkelmann R., Hugentobler U., Sánchez L.: GGOS Bureau for Standards and Conventions. Geodätische Woche, Hannover, Germany, 2012
Brunini C., Sánchez L.: Reporte anual de las actividades SIRGAS. SIRGAS General Meeting 2013, Concepcion, Chile, 2012
Drewes H., Baez J., Cimbaro S., Sánchez L.: Modelado de movimientos no lineales en el mantenimiento de marcos de referencia. SIRGAS General Meeting 2012, Concepcion, Chile, 2012
Drewes H., Ramirez N., Sánchez L., Martínez W.: Transformación de marcos nacionales de referencia entre dos épocas diferentes: Ejemplo Colombia. SIRGAS General Meeting 2012, Concepcion, Chile, 2012
Sánchez L.: Towards a Vertical Datum Standardisation. AOGS-AGU (WPGM) Joint Assembly, Singapore, 2012-08-14
Sánchez L.: Report on the activities of the Working Group Vertical Datum Standardisation. GGHS 2012, Venice, Italy, 2012-10-09
Sánchez L.: Lecture on Precise GNSS Processing and training curse on the Bernese GPS Software. Heredia, Costa Rica, 2012-12-03
Sánchez L.: Towards a vertical datum standardisation based on a joint analysis of TIGA, satellite altimetry and gravity field modelling products. IGS Workshop 2012, Olsztyn, Poland, 2012-07-23 (Poster)
Sánchez L.: Towards a global vertical datum standardisation. SIRGAS General Meeting 2013, Concepcion, Chile, 2012-10-31
Sánchez L.: Report on the activities of the IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). SIRGAS General Meeting 2013, Concepcion, Chile, 2012-10-29
Sánchez L.: Consecuencias de las recomendaciones surgidas del IGS Workshop 2012 en el marco de referencia SIRGAS. SIRGAS General Meeting 2013, Concepcion, Chile, 2012-10-29
Sánchez L., Cimbaro S., Cioce V., Echalar A.,González, Martínez W., da Silva: Improvement of the IGS station coverage in Latin America. IGS Workshop 2012, Olsztyn, Poland, 2012

2011

Angermann D., Gruber T., Bouman J., Gerstl M., Heinkelmann R., Hugentobler U., Sánchez L., Steigenberger P.: The importance of common standards and conventions for consistent GGOS products. AGU Fall Meeting, San Francisco, USA, 2011-12-09
Angermann D., Gruber T., Bouman J., Gerstl M., Heinkelmann R., Hugentobler U., Sánchez L., Steigenberger P.: Report on GGOS Bureau for Standards and Conventions. GGOS Coordinating Board Meeting No. 1, San Francisco, USA, 2011-12-03
Brunini C., Sánchez L., Mackern V., Martí­nez W., Luz R.: SIRGAS: Basis for Geosciences, Geodata, and Navigation in Latin America. Latin American Geospatial Forum, Rio de Janeiro, Brazil, 2011-08-19
Drewes H., Barrientos S., Sánchez L., Maturana R.: The Maule earthquake in Chile, February 27, 2010. IUGG General Assembly, Melbourne, Australia, 2011
Drewes H., Barrientos S., Sánchez L., Maturana R.: The Maule earthquake in Chile, February 27, 2010. IUGG XXV General Assembly, Melbourne, Australia, 2011
Drewes H., Sánchez L.: Recent aseismic, co-seismic and post-seismic deformations in the pacific orogenic zone of Latin America. IUGG General Assembly, Melbourne, Australia, JG06, 2011
Drewes H., Sánchez L., Brunini C., Mackern V.: Cómo mitigar el impacto de eventos sísmicos en los marcos de referencia?. Reunión SIRGAS, Heredia, Costa Rica, 2011
Sánchez L.: Procesamiento preciso de mediciones GNSS (Lecture). Curso en sistemas de referencia, Instituto Geográfico Militar, Santiago de Chile, Chile, 2011-09-26
Sánchez L.: SIRGAS: marco de referencia para las Américas (Lecture). Curso en sistemas de referencia, Instituto Geográfico Militar, Santiago de Chile, Chile, 2011-09-30
Sánchez L.: Tipos de alturas, superficies de referencia y unificación de datums verticales (Lecture). Curso en sistemas de referencia, Instituto Geográfico Militar, Santiago de Chile, Chile, 2011-09-29
Sánchez L.: Numerical approach for a unified World Height System. IUGG XXV General Assembly, Melbourne, Australia, 2011-07-04
Sánchez L.: Training course on GNSS analysis for the installation of a SIRGAS Processing Centre in Chile. Instituto Geográfico Militar, Santiago de Chile, Chile, 2011-09-26
Sánchez L.: Physical height systems in South America. STSE-GOCE+Height System Unification Progress Meeting 2, Frankfurt am Main, Germany, 2011-12-14
Sánchez L.: Sistemas verticales de referencia (Lecture). Third IAG-PAIGH-SIRGAS school on reference systems, San José, Costa Rica, 2011-08-05
Sánchez L.: The role of TIGA in the vertical datum standardization. Twelfth Session of the GLOSS Group of Experts, Paris, France, 2011-11-08
Sánchez L., Brunini C.: Geoinformation and Navigation supported by the Geocentric Reference System for the Americas. International Symposium on Global Navigation Satellite Systems, Space-Based and Ground-Based Augmentation Systems and Applications Berlin, Germany, 2011
Sánchez L., Brunini C., Mackern V., Martinez W., Luz R.: Status and new perspectives of the SIRGAS Reference Frame. IUGG XXV General Assembly, Melbourne, Australia, 2011-06-30
Sánchez L., Cioce V.: Sistema de Referencia para las Américas - SIRGAS (Lecture). Curso avanzado en posicionamiento GNSS, Universidad Politécnica de Madrid, Spain, 2011
Sánchez L., Luz R.: Requerimientos para la unificación de los sistemas de alturas existentes en la Región SIRGAS. SIRGAS 2011 General Meeting, San José Costa Rica, 2011
Sánchez L., Seitz M.: Actividades recientes del Centro Regional de Análisis Asociado del IGS para SIRGAS (IGS RNAAC SIR). SIRGAS 2011 General Meeting, San José, Costa Rica, 2011
Sánchez L., Seitz M., Drewes H.: Cinemática del marco de referencia SIRGAS. SIRGAS 2011 General Meeting, San José, Costa Rica, 2011

2010

Brunini C., Azpillicueta F., Gende M., Camilion E., Aragón Angel, Hernández-Pajares M., Juan M., Sanz J., Salazar D., Sánchez L.: Assessment of the 4-D SIRGAS ionospheric model. REFAG2010, Marle-La-Vallée, France, 2010
Brunini C., Drewes H., Sánchez L., Mackern V., Mateo L.: Seasonal effects in the weekly realization of the SIRGAS reference frame. EGU General Assembly, Vienna, Austria, 2010
Drewes H., Brunini C., Sánchez L., Mackern V., Martínez W.: Uso de las coordenadas SIRGAS en los marcos nacionales de referencia. SIRGAS 2010 General Assembly, Lima, Peru, 2010
Seemüller W., Sánchez L., Drewes H., Seitz M.: The Position and Velocity Solution SIR10P01 of the IGS Regional Network Associate Analysis Centre for SIRGAS (IGS RNAAC SIR). SIRGAS 2010 General Meeting, Lima, Peru, 2010
Seitz M., Bloßfeld M., Sánchez L., Seitz F.: Understanding and treating seasonal signals of station positions in the ITRF computation. EGU 2010, Vienna, 2010
Sánchez L.: SIRGAS: sistema de referencia geocéntrico para las Américas (Lecture). Curso avanzado de posicionamiento por satélites, Madrid, España, 2010-11-22
Sánchez L.: Numerical approach for a unified South American vertical reference frame within a world height system. IAG Commission 1 Symposium (REFAG), Marne la Vallée, France, 2010-10-06
Sánchez L.: Sistemas Verticales de Referencia (Lecture). IAG-PAIGH-SIRGAS School on Reference Systems, 2010-11-10
Sánchez L.: Disponibilidad y uso de los productos SIRGAS. IAG-PAIGH-SIRGAS School on Reference Systems, 2010-11-10
Sánchez L., Brunini C., Mackern V., Martínez W., Luz R.: SIRGAS: the geodetic reference frame in Latin America and the Caribbean. IAG Commission 1 Symposium (REFAG), Marne la Vallée, France, 2010
Sánchez L., Brunini C., Mackern V., Martínez W., Luz R.: SIRGAS: the geocentric reference frame of the Americas. International Symposium on Global Navigation Satellite Systems, Space-Based and Ground-Based Augmentation Systems and Applications 2010. Brussels, Belgium, 2010
Sánchez L., Drewes H., Brunini C., Martínez W., Mackern V.: Sustainability of the SIRGAS Reference Frame. IAG Commission 1 Symposium (REFAG), Marne la Vallée, France, 2010
Sánchez L., Luz R.: Iniciativas internacionales encaminadas al establecimiento de un sistema vertical global y el aporte de SIRGAS. SIRGAS 2010 General Meeting, Lima, Peru, 2010
Sánchez L., Seemüller W.: Report of the SIRGAS Analysis Centre at DGFI. SIRGAS 2010 General Meeting, Lima, Peru, 2010
Sánchez L., Seemüller W., Drewes H., Mateo L., González G., Costa S., da Silva, Pampillón J., Martínez W., Cioce V., Cisneros D., Cimbaro S.: Long-term stability of the SIRGAS Reference Frame and episodic station movements caused by the seismic activity in the SIRGAS region. IAG Commission 1 Symposium (REFAG), Marne la Vallée, France, 2010

2009

Figueroa C.E., Amaya W., Sánchez L.: Integration of the reference frame of El Salvador into SIRGAS. IAG Scientific Assembly. Buenos Aires, Argentina., 2009-09-03 (Poster)
Sánchez L.: SIRGAS: el sistema de referencia de América Latina. Curso avanzado de posicionamiento por satélite. Madrid, Spain., 2009-11-16
Sánchez L.: Height datum unification within a global vertical reference system. IAG Scientific Assembly. Buenos Aires, Argentina, 2009-09-02
Sánchez L.: Lecture on Vertical Reference Systems (in Spanish).. IAG-IPGH-SIRGAS School in Reference Systems. Bogota, Colombia., 2009-07-16
Sánchez L.: Disponibilidad y uso de los productos SIRGAS. IAG-IPGH-SIRGAS School in Reference Systems. Bogota, Colombia., 2009-07-17
Sánchez L.: Curso introductorio al procesamiento de datos GPS con el software Bernese.. Preparación del Centro de Procesamiento SIRGAS en el Servicio Geográfico Militar de Uruguay. Montevideo, Uruguay., 2009-03-30
Sánchez L., Brunini C., Costa S., Mackern V., Martinez W., Seemüller W., da Silva A.: SIRGAS: ITRF densification in Latin America and the Caribbean. European Geosciences Union, General Assembly 2009 (EGU 2009). Vienna, Austria., 2009-04-19
Sánchez L., Mackern V.: Datum realization for the SIRGAS weekly coordinates.. IAG Scientific Assembly. Buenos Aires, Argentina., 2009-08-31
Sánchez L., Seemüller W., Seitz M.: DGFI report on the combination of the weekly solutions delivered by the SIRGAS Processing Centres. IAG Scientific Assembly. Buenos Aires, Argentina., 2009-09-04

2008

Sánchez L.: Global vertical datum unification based on the combination of the fixed gravimetric and the scalar free geodetic boundary value problems. International Symposium on Gravity, Geoid, and Earth Observation GGEO 2008, Chania, Crete, Greece, 2008-06-24
Sánchez L.: Sistemas Verticales de Referencia. Lecture at Universidad Politécnica de Madrid, Madrid, Spain, 2008-01-09
Sánchez L.: Curso introductorio al procesamiento de datos GPS con el software Bernese.. Preparación del Centro de Procesamiento SIRGAS en el Instituto Geográfico Militar de Ecuador. Quito, Ecuador, 2008-12-01
Sánchez L.: Geodetic control of vertical movements at tide gauges. SIRGAS 2008 General Meeting, Montevideo, Uruguay, 2008-05-29
Sánchez L.: SIRGAS en la Internet. SIRGAS 2008 General Meeting, Montevideo, Uruguay, 2008-05-28
Sánchez L.: Avances en el procesamiento unificado de las redes verticales involucradas en SIRGAS. SIRGAS 2008 General Meeting, Montevideo, Uruguay, 2008-05-29
Sánchez L.: DGFI Report on the comparison and combination of the weekly solutions delivered by the SIRGAS Experimental Processing Centres. Second Workshop of the SIRGAS-WGI, Montevideo, Uruguay, 2008-05-27
Sánchez L., Brunini C.: SIRGAS: Basis for Geosciences, Geodata, and Navigation in Latin America. International Symposium on Global Navigation Satellite Systems, Space-based and Ground-based Augmentation Systems and Applications. Berlin, Germany., 2008-11-11

2007

Sánchez L.: A new vertical reference system for South America. American Geophysical Union, Spring Meeting. Acapulco, Mexico, 2007-05-22 (Poster)
Sánchez L.: SIRGAS working group III Vertical Datum. Report 2006 - 2007. SIRGAS 2007 meeting. II Semana Geomática del Instituto Geográfico Agustín Codazzi (IGAC). Bogotá, Colombia, 2007-06-07
Sánchez L.: Realización del nivel de referencia vertical para SIRGAS dentro de una definición global. II Semana Geomática del Instituto Geográfico Agustín Codazzi (IGAC). Bogotá, Colombia, 2007-06-08
Sánchez L.: Sistemas verticales de referencia. Taller. II Semana Geomática del Instituto Geográfico Agustín Codazzi (IGAC). Bogotá, Colombia, 2007-06-05
Sánchez L.: Vertical motion control of the tide gauges in the Atlantic as a part of the TIGA project. IUGG XXIV General Assembly, Perugia, Italy, 2007-07-02 (Poster)

2006

Martínez W., Sánchez L.: Realization of the SIRGAS reference frame in Colombia. International IAG Symposium "Geodetic Reference Frames, GRF2006. LVG, München, 2006
Sánchez L.: Advances to define and realise a World Height System. 1st International Symposium of the International Gravity Field Service (IGFS2006), Harbiye Military Museum and Culture Center, Istanbul, Turkey, 2006-08-29
Sánchez L.: Konzept für die Definition und Realisierung eines globalen vertikalen Referenzsystem. DGK Arbeitskreis Theoretische Geodäsie "Vertikaldatum und Welthöhensystem", Institut für Theoretische Geodäsie, Universität Bonn, 2006-09-12
Sánchez L.: Connection of the South American height systems to a global unified vertical reference frame. IAG Inter commission Project 1.2 (Vertical reference systems) Workshop. Prague, Czech Republic, 2006-04-12
Sánchez L.: Empirical determination of the global reference value W0. IAG Intercommission Project 1.2 (Vertical reference systems) Workshop. Prague, Czech Republic, 2006-04-11
Sánchez L.: Modernización de los sistemas de alturas en América del Sur. IV National Conference on Geography and Cartography (CONFEGE), Instituto Brasileiro de Geografia e Estatística (IBGE), Rio de Janeiro, Brazil, 2006-08-22
Sánchez L.: Curso Fundamentos teóricos para el procesamiento de información GNSS utilizando el software científico Bernese. Instituto Geográfico Augustín Codazzi (IGAC), Bogotá, Colombia, 2006-07-10
Sánchez L.: Strategy to establish a Global Vertical Reference System. International IAG Symposium "Geodetic Reference Frames, GRF2006", LVG, München, 2006-10-11
Sánchez L.: Current status and future activities of the subcommission 1.3b (South and Central America) of the IAG Commission 1 on Reference Frames. International IAG Symposium "Geodetic Reference Frames, GRF2006", LVG, München, 2006-10-13
Sánchez L.: Approach for the establishment of a global vertical reference system. VI Hotine-Marussi Symposium. Wuhan, China, 2006-05-30
Sánchez L.: Reporte del centro de procesamiento IGAC. Workshop of the SIRGAS Working Group I (Reference System). Rio de Janeiro, Brazil, 2006-08-17
Sánchez L., Krügel M.: The role of the TIGA project in the unification of classical height systems. International IAG Symposium "Geodetic Reference Frames, GRF2006", LVG, München, 2006

2005

Kusche J., Schmidt M., Han S.C., Sánchez L., Shum C.K., Xie J.: Regional high-resolution spatio-temporal gravity modeling from GRACE data using spherical wavelets. AGU Fall Meeting 2005, San Francisco, USA, 2005
Schmidt M., Kusche J., Sánchez L., Shum C.K., van Loon J., Han S.-C.: High-resolution regional gravity model from satellite and terrestrial data using spherical wavelet theory. EGU General Assembly, Vienna, Austria, 2005
Sánchez L.: Definition and realisation of the SIRGAS vertical reference system within a globally unified height system. IAG, IAPSO, IABO Joint Conference ,,Dynamic Planet 2005", Cairns, Australia, 2005-08-22
Sánchez L.: SIRGAS-GTIII Datum Vertical, Reporte 2005. Reunión SIRGAS, Caracas, Venezuela, 2005-11-18
Sánchez L.: Hacia un sistema vertical de referencia unificado para América del Sur. XX Reunión de Consulta de la Comisión de Cartografía del IPGH, Caracas, Venezuela, 2005-11-17

2004

Sánchez L.: Proposed realization of the South American Vertical Reference System. SIRGAS Workshop, Aguascalientes, Mexico, 2004-12-10 (Poster)

2002

Drewes H., Sánchez L.: Curso "Sistemas de Referencia en Geodesia"; I. Sistemas horizontales. Quito, Ecuador, 2002
Drewes H., Sánchez L.: Curso "Sistemas de Referencia en Geodesia"; II. Sistemas verticales y gravimétricos. Quito, Ecuador, 2002

2001

Bosch W., Acuña G., Brunini C., Maturana R., Luz R., Sánchez L.: Connecting sea level and height systems along the coast of South America - a first assessment. IAG 2001 Scientific Assembly, Budapest, Hungary, 2001
Kaniuth K., Häfele P., Sánchez L.: Subsidence of the permanent GPS station BOGA. IAG Symp. on Vertical Reference Systems, Cartagena, Colombia, 2001
Sánchez L., Drewes H.: Comparison of the classical and the modern vertical reference system in Colombia. IAG 2001 Scientific Assembly, Budapest, Hungary, 2001

1999

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

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